diff --git a/lib/common/skeleton/skeleton.dart b/lib/common/skeleton/skeleton.dart
index e3f5edb2f..a2bcf8c75 100644
--- a/lib/common/skeleton/skeleton.dart
+++ b/lib/common/skeleton/skeleton.dart
@@ -11,7 +11,7 @@ class Skeleton extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final color = Theme.of(context).colorScheme.surface.withAlpha(10);
-    var shimmerGradient = LinearGradient(
+    final shimmerGradient = LinearGradient(
       colors: [
         Colors.transparent,
         color,
diff --git a/lib/common/widgets/dialog/report_member.dart b/lib/common/widgets/dialog/report_member.dart
index b79c69f4b..2918b1fa2 100644
--- a/lib/common/widgets/dialog/report_member.dart
+++ b/lib/common/widgets/dialog/report_member.dart
@@ -151,7 +151,7 @@ Future<void> showMemberReportDialog(
                 SmartDialog.showToast('至少选择一项作为举报内容');
               } else {
                 Get.back();
-                var result = await MemberHttp.reportMember(
+                final result = await MemberHttp.reportMember(
                   mid,
                   reason: reason.join(','),
                   reasonV2: reasonV2 != null ? reasonV2! + 1 : null,
diff --git a/lib/common/widgets/flutter/text_field/controller.dart b/lib/common/widgets/flutter/text_field/controller.dart
index 2f64c940c..d2becc817 100644
--- a/lib/common/widgets/flutter/text_field/controller.dart
+++ b/lib/common/widgets/flutter/text_field/controller.dart
@@ -50,7 +50,7 @@ mixin RichTextTypeMixin {
 
 extension TextEditingDeltaExt on TextEditingDelta {
   ({RichTextType type, String? rawText, Emote? emote, String? id}) get config {
-    if (this case RichTextTypeMixin e) {
+    if (this case final RichTextTypeMixin e) {
       return (type: e.type, rawText: e.rawText, emote: e.emote, id: e.id);
     }
     return (
@@ -62,7 +62,7 @@ extension TextEditingDeltaExt on TextEditingDelta {
   }
 
   bool get isText {
-    if (this case RichTextTypeMixin e) {
+    if (this case final RichTextTypeMixin e) {
       return e.type == RichTextType.text;
     }
     return !composing.isValid;
@@ -588,7 +588,7 @@ class RichTextEditingController extends TextEditingController {
       return '';
     }
     final buffer = StringBuffer();
-    for (var e in items) {
+    for (final e in items) {
       buffer.write(e.text);
     }
     return buffer.toString();
@@ -599,7 +599,7 @@ class RichTextEditingController extends TextEditingController {
       return '';
     }
     final buffer = StringBuffer();
-    for (var e in items) {
+    for (final e in items) {
       if (e.type == RichTextType.at) {
         buffer.write(e.text);
       } else {
@@ -708,7 +708,7 @@ class RichTextEditingController extends TextEditingController {
       items.insertAll(addIndex, toAdd);
     }
     if (toDel != null && toDel.isNotEmpty) {
-      for (var item in toDel) {
+      for (final item in toDel) {
         items.remove(item);
       }
     }
@@ -736,7 +736,7 @@ class RichTextEditingController extends TextEditingController {
 
     // bool isValid = true;
     // int cursor = 0;
-    // for (var e in items) {
+    // for (final e in items) {
     //   final range = e.range;
     //   if (range.start == cursor) {
     //     cursor = range.end;
@@ -846,7 +846,7 @@ class RichTextEditingController extends TextEditingController {
 
   TextPosition dragOffset(TextPosition position) {
     final offset = position.offset;
-    for (var e in items) {
+    for (final e in items) {
       final range = e.range;
       if (offset >= range.end) {
         continue;
@@ -866,7 +866,7 @@ class RichTextEditingController extends TextEditingController {
   }
 
   int tapOffsetSimple(int offset) {
-    for (var e in items) {
+    for (final e in items) {
       final range = e.range;
       if (offset >= range.end) {
         continue;
@@ -891,7 +891,7 @@ class RichTextEditingController extends TextEditingController {
     required Offset localPos,
     required Offset lastTapDownPosition,
   }) {
-    for (var e in items) {
+    for (final e in items) {
       final range = e.range;
       if (offset >= range.end) {
         continue;
@@ -930,7 +930,7 @@ class RichTextEditingController extends TextEditingController {
     int startOffset,
     int endOffset,
   ) {
-    for (var e in items) {
+    for (final e in items) {
       final range = e.range;
       if (startOffset >= range.end) {
         continue;
@@ -963,7 +963,7 @@ class RichTextEditingController extends TextEditingController {
 
   TextSelection keyboardOffset(TextSelection newSelection) {
     final offset = newSelection.baseOffset;
-    for (var e in items) {
+    for (final e in items) {
       final range = e.range;
       if (offset >= range.end) {
         continue;
@@ -994,7 +994,7 @@ class RichTextEditingController extends TextEditingController {
     final startOffset = newSelection.start;
     final endOffset = newSelection.end;
     final isNormalized = newSelection.baseOffset < newSelection.extentOffset;
-    for (var e in items) {
+    for (final e in items) {
       final range = e.range;
       if (startOffset >= range.end) {
         continue;
@@ -1046,7 +1046,7 @@ class RichTextEditingController extends TextEditingController {
       String text = '';
       final start = selection.start;
       final end = selection.end;
-      for (var e in items) {
+      for (final e in items) {
         final range = e.range;
         if (start >= range.end) {
           continue;
diff --git a/lib/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart b/lib/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart
index 01e29386f..0ca8661a0 100644
--- a/lib/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart
+++ b/lib/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart
@@ -123,7 +123,7 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
       ..removeListener(listener)
       ..dispose();
     _transformationController.dispose();
-    for (var item in widget.sources) {
+    for (final item in widget.sources) {
       if (item.sourceType == SourceType.networkImage) {
         CachedNetworkImageProvider(_getActualUrl(item.url)).evict();
       }
@@ -197,7 +197,7 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
   void _onPageChanged(int page) {
     _player?.pause();
     currentIndex.value = page;
-    var item = widget.sources[page];
+    final item = widget.sources[page];
     if (item.sourceType == SourceType.livePhoto) {
       _onPlay(item.liveUrl!);
     }
diff --git a/lib/common/widgets/progress_bar/audio_video_progress_bar.dart b/lib/common/widgets/progress_bar/audio_video_progress_bar.dart
index e6f1b5815..813a660e5 100644
--- a/lib/common/widgets/progress_bar/audio_video_progress_bar.dart
+++ b/lib/common/widgets/progress_bar/audio_video_progress_bar.dart
@@ -763,7 +763,7 @@ class _RenderProgressBar extends RenderBox {
     final adjustedWidth = availableSize.width - barHeight;
     final dx = widthProportion * adjustedWidth + capRadius;
     final startPoint = Offset(capRadius, availableSize.height / 2);
-    var endPoint = Offset(dx, availableSize.height / 2);
+    final endPoint = Offset(dx, availableSize.height / 2);
     canvas.drawLine(startPoint, endPoint, baseBarPaint);
   }
 
diff --git a/lib/common/widgets/video_card/video_card_h.dart b/lib/common/widgets/video_card/video_card_h.dart
index 9507aaec6..861069fc5 100644
--- a/lib/common/widgets/video_card/video_card_h.dart
+++ b/lib/common/widgets/video_card/video_card_h.dart
@@ -36,8 +36,8 @@ class VideoCardH extends StatelessWidget {
   Widget build(BuildContext context) {
     String type = 'video';
     String? badge;
-    if (videoItem case SearchVideoItemModel item) {
-      var typeOrNull = item.type;
+    if (videoItem case final SearchVideoItemModel item) {
+      final typeOrNull = item.type;
       if (typeOrNull != null && typeOrNull.isNotEmpty) {
         type = typeOrNull;
         if (type == 'ketang') {
@@ -49,7 +49,7 @@ class VideoCardH extends StatelessWidget {
       if (item.isUnionVideo == 1) {
         badge = '合作';
       }
-    } else if (videoItem case HotVideoItemModel item) {
+    } else if (videoItem case final HotVideoItemModel item) {
       if (item.isCharging == true) {
         badge = '充电专属';
       } else if (item.isCooperation == 1) {
@@ -78,7 +78,7 @@ class VideoCardH extends StatelessWidget {
                     PageUtils.viewPugv(seasonId: videoItem.aid);
                     return;
                   } else if (type == 'live_room') {
-                    if (videoItem case SearchVideoItemModel item) {
+                    if (videoItem case final SearchVideoItemModel item) {
                       int? roomId = item.id;
                       if (roomId != null) {
                         PageUtils.toLiveRoom(roomId);
@@ -90,7 +90,7 @@ class VideoCardH extends StatelessWidget {
                     }
                     return;
                   }
-                  if (videoItem case HotVideoItemModel item) {
+                  if (videoItem case final HotVideoItemModel item) {
                     if (item.redirectUrl?.isNotEmpty == true &&
                         PageUtils.viewPgcFromUri(item.redirectUrl!)) {
                       return;
@@ -131,7 +131,7 @@ class VideoCardH extends StatelessWidget {
                         final double maxWidth = boxConstraints.maxWidth;
                         final double maxHeight = boxConstraints.maxHeight;
                         num? progress;
-                        if (videoItem case HotVideoItemModel item) {
+                        if (videoItem case final HotVideoItemModel item) {
                           progress = item.progress;
                         }
 
@@ -215,7 +215,7 @@ class VideoCardH extends StatelessWidget {
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
-          if (videoItem case SearchVideoItemModel item) ...[
+          if (videoItem case final SearchVideoItemModel item) ...[
             if (item.titleList?.isNotEmpty == true)
               Expanded(
                 child: Text.rich(
diff --git a/lib/common/widgets/video_popup_menu.dart b/lib/common/widgets/video_popup_menu.dart
index 5634597a7..5e969f9aa 100644
--- a/lib/common/widgets/video_popup_menu.dart
+++ b/lib/common/widgets/video_popup_menu.dart
@@ -71,7 +71,7 @@ class VideoPopupMenu extends StatelessWidget {
                         '稍后再看',
                         const Icon(MdiIcons.clockTimeEightOutline, size: 16),
                         () async {
-                          var res = await UserHttp.toViewLater(
+                          final res = await UserHttp.toViewLater(
                             bvid: videoItem.bvid,
                           );
                           SmartDialog.showToast(res['msg']);
@@ -149,7 +149,7 @@ class VideoPopupMenu extends StatelessWidget {
                             SmartDialog.showToast("请退出账号后重新登录");
                             return;
                           }
-                          if (videoItem case RecVideoItemAppModel item) {
+                          if (videoItem case final RecVideoItemAppModel item) {
                             ThreePoint? tp = item.threePoint;
                             if (tp == null) {
                               SmartDialog.showToast("未能获取threePoint");
@@ -168,7 +168,7 @@ class VideoPopupMenu extends StatelessWidget {
                                 onTap: (_) async {
                                   Get.back();
                                   SmartDialog.showLoading(msg: '正在提交');
-                                  var res = await VideoHttp.feedDislike(
+                                  final res = await VideoHttp.feedDislike(
                                     reasonId: r?.id,
                                     feedbackId: f?.id,
                                     id: item.param!,
@@ -227,7 +227,7 @@ class VideoPopupMenu extends StatelessWidget {
                                               SmartDialog.showLoading(
                                                 msg: '正在提交',
                                               );
-                                              var res =
+                                              final res =
                                                   await VideoHttp.feedDislikeCancel(
                                                     id: item.param!,
                                                     goto: item.goto!,
@@ -274,7 +274,7 @@ class VideoPopupMenu extends StatelessWidget {
                                                 SmartDialog.showLoading(
                                                   msg: '正在提交',
                                                 );
-                                                var res =
+                                                final res =
                                                     await VideoHttp.dislikeVideo(
                                                       bvid: videoItem.bvid!,
                                                       type: true,
@@ -355,7 +355,7 @@ class VideoPopupMenu extends StatelessWidget {
                                 TextButton(
                                   onPressed: () async {
                                     Get.back();
-                                    var res = await VideoHttp.relationMod(
+                                    final res = await VideoHttp.relationMod(
                                       mid: videoItem.owner.mid!,
                                       act: 5,
                                       reSrc: 11,
diff --git a/lib/http/black.dart b/lib/http/black.dart
index b1001765a..bc9713484 100644
--- a/lib/http/black.dart
+++ b/lib/http/black.dart
@@ -9,7 +9,7 @@ abstract final class BlackHttp {
     required int pn,
     int ps = 50,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.blackLst,
       queryParameters: {
         'pn': pn,
diff --git a/lib/http/danmaku.dart b/lib/http/danmaku.dart
index bcfaf058e..abf6d71de 100644
--- a/lib/http/danmaku.dart
+++ b/lib/http/danmaku.dart
@@ -29,7 +29,7 @@ abstract final class DanmakuHttp {
     // assert(aid != null || bvid != null);
     // assert(csrf != null || access_key != null);
     // 构建参数对象
-    var data = <String, Object>{
+    final data = <String, Object>{
       'type': type,
       'oid': oid,
       'msg': msg,
diff --git a/lib/http/danmaku_block.dart b/lib/http/danmaku_block.dart
index 75a1705e4..f130940c4 100644
--- a/lib/http/danmaku_block.dart
+++ b/lib/http/danmaku_block.dart
@@ -7,7 +7,7 @@ import 'package:dio/dio.dart';
 
 abstract final class DanmakuFilterHttp {
   static Future<LoadingState<DanmakuBlockDataModel>> danmakuFilter() async {
-    var res = await Request().get(Api.danmakuFilter);
+    final res = await Request().get(Api.danmakuFilter);
     if (res.data['code'] == 0) {
       return Success(DanmakuBlockDataModel.fromJson(res.data['data']));
     } else {
@@ -16,7 +16,7 @@ abstract final class DanmakuFilterHttp {
   }
 
   static Future<LoadingState<Null>> danmakuFilterDel({required int ids}) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.danmakuFilterDel,
       data: {
         'ids': ids,
@@ -35,7 +35,7 @@ abstract final class DanmakuFilterHttp {
     required String filter,
     required int type,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.danmakuFilterAdd,
       data: {
         'type': type,
diff --git a/lib/http/dynamics.dart b/lib/http/dynamics.dart
index 6e7ee3ab5..92a8e0ab9 100644
--- a/lib/http/dynamics.dart
+++ b/lib/http/dynamics.dart
@@ -43,8 +43,8 @@ abstract final class DynamicsHttp {
       'offset': offset,
       'features': 'itemOpusStyle,listOnlyfans',
     };
-    var res = await Request().get(Api.followDynamic, queryParameters: data);
-    var code = res.data['code'];
+    final res = await Request().get(Api.followDynamic, queryParameters: data);
+    final code = res.data['code'];
     if (code == 0) {
       try {
         DynamicsDataModel data = DynamicsDataModel.fromJson(
@@ -70,7 +70,7 @@ abstract final class DynamicsHttp {
   }
 
   static Future<LoadingState<FollowUpModel>> followUp() async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.followUp,
       queryParameters: {
         'up_list_more': 1,
@@ -85,7 +85,7 @@ abstract final class DynamicsHttp {
   }
 
   static Future<LoadingState<DynUpList>> dynUpList(String? offset) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.dynUplist,
       queryParameters: {
         'offset': offset,
@@ -105,7 +105,7 @@ abstract final class DynamicsHttp {
   //   required String? dynamicId,
   //   required int? up,
   // }) async {
-  //   var res = await Request().post(
+  //   final res = await Request().post(
   //     Api.likeDynamic,
   //     queryParameters: {
   //       'dynamic_id': dynamicId,
@@ -128,7 +128,7 @@ abstract final class DynamicsHttp {
     required String? dynamicId,
     required int? up,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.thumbDynamic,
       queryParameters: {
         'csrf': Accounts.main.csrf,
@@ -166,7 +166,7 @@ abstract final class DynamicsHttp {
     String? title,
     Map? attachCard,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.createDynamic,
       queryParameters: {
         'platform': 'web',
@@ -251,7 +251,7 @@ abstract final class DynamicsHttp {
     dynamic type,
     bool clearCookie = false,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.dynamicDetail,
       queryParameters: {
         'timezone_offset': -480,
@@ -281,7 +281,7 @@ abstract final class DynamicsHttp {
   static Future<LoadingState<Null>> setTop({
     required Object dynamicId,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.setTopDyn,
       queryParameters: {
         'csrf': Accounts.main.csrf,
@@ -300,7 +300,7 @@ abstract final class DynamicsHttp {
   static Future<LoadingState<Null>> rmTop({
     required Object dynamicId,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.rmTopDyn,
       queryParameters: {
         'csrf': Accounts.main.csrf,
@@ -319,7 +319,7 @@ abstract final class DynamicsHttp {
   static Future<LoadingState<ArticleInfoData>> articleInfo({
     required Object cvId,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.articleInfo,
       queryParameters: await WbiSign.makSign({
         'id': cvId,
@@ -483,7 +483,7 @@ abstract final class DynamicsHttp {
     required Object dynamicIdStr,
     required Object? reserveTotal,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.dynReserve,
       queryParameters: {
         'csrf': Accounts.main.csrf,
diff --git a/lib/http/fan.dart b/lib/http/fan.dart
index 3c91b9c49..337732343 100644
--- a/lib/http/fan.dart
+++ b/lib/http/fan.dart
@@ -10,7 +10,7 @@ abstract final class FanHttp {
     int ps = 20,
     String? orderType,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.fans,
       queryParameters: {
         'vmid': vmid,
diff --git a/lib/http/fav.dart b/lib/http/fav.dart
index 6f21fb926..4b9fb29bb 100644
--- a/lib/http/fav.dart
+++ b/lib/http/fav.dart
@@ -19,7 +19,7 @@ import 'package:dio/dio.dart';
 
 abstract final class FavHttp {
   static Future<LoadingState<Null>> favFavFolder(Object mediaId) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.favFavFolder,
       data: {
         'media_id': mediaId,
@@ -35,7 +35,7 @@ abstract final class FavHttp {
   }
 
   static Future<LoadingState<Null>> unfavFavFolder(Object mediaId) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.unfavFavFolder,
       data: {
         'media_id': mediaId,
@@ -58,7 +58,7 @@ abstract final class FavHttp {
     FavOrderType order = FavOrderType.mtime,
     int type = 0,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.favResourceList,
       queryParameters: {
         'media_id': mediaId,
@@ -83,7 +83,7 @@ abstract final class FavHttp {
     required int id,
     required int type,
   }) async {
-    var res = type == 11
+    final res = type == 11
         ? await Request().post(
             Api.unfavFolder,
             data: {
@@ -113,7 +113,7 @@ abstract final class FavHttp {
     required int pn,
     required int ps,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.favSeasonList,
       queryParameters: {
         'season_id': id,
@@ -132,7 +132,7 @@ abstract final class FavHttp {
     required int mid,
     required int page,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.favPugv,
       queryParameters: {
         'mid': mid,
@@ -149,7 +149,7 @@ abstract final class FavHttp {
   }
 
   static Future<LoadingState<Null>> addFavPugv(Object seasonId) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.addFavPugv,
       data: {
         'season_id': seasonId,
@@ -165,7 +165,7 @@ abstract final class FavHttp {
   }
 
   static Future<LoadingState<Null>> delFavPugv(Object seasonId) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.delFavPugv,
       data: {
         'season_id': seasonId,
@@ -183,7 +183,7 @@ abstract final class FavHttp {
   static Future<LoadingState<FavTopicData>> favTopic({
     required int page,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.favTopicList,
       queryParameters: {
         'page_size': 24,
@@ -199,7 +199,7 @@ abstract final class FavHttp {
   }
 
   static Future<LoadingState<Null>> addFavTopic(Object topicId) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.addFavTopic,
       data: {
         'topic_id': topicId,
@@ -215,7 +215,7 @@ abstract final class FavHttp {
   }
 
   static Future<LoadingState<Null>> delFavTopic(Object topicId) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.delFavTopic,
       data: {
         'topic_id': topicId,
@@ -234,7 +234,7 @@ abstract final class FavHttp {
     Object topicId,
     bool isLike,
   ) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.likeTopic,
       data: {
         'action': isLike ? 'cancel_like' : 'like',
@@ -255,7 +255,7 @@ abstract final class FavHttp {
   static Future<LoadingState<FavArticleData>> favArticle({
     required int page,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.favArticle,
       queryParameters: {
         'page_size': 20,
@@ -272,7 +272,7 @@ abstract final class FavHttp {
   static Future<LoadingState<Null>> addFavArticle({
     required Object id,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.addFavArticle,
       data: {
         'id': id,
@@ -292,7 +292,7 @@ abstract final class FavHttp {
   static Future<LoadingState<Null>> delFavArticle({
     required Object id,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.delFavArticle,
       data: {
         'id': id,
@@ -312,7 +312,7 @@ abstract final class FavHttp {
   static Future<LoadingState<List<FavNoteItemModel>?>> userNoteList({
     required int page,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.userNoteList,
       queryParameters: {
         'pn': page,
@@ -333,7 +333,7 @@ abstract final class FavHttp {
   static Future<LoadingState<List<FavNoteItemModel>?>> noteList({
     required int page,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.noteList,
       queryParameters: {
         'pn': page,
@@ -378,7 +378,7 @@ abstract final class FavHttp {
     int? followStatus,
     Object? mid,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.favPgc,
       queryParameters: {
         'vmid': mid ?? Accounts.main.mid,
@@ -400,7 +400,7 @@ abstract final class FavHttp {
     required int ps,
     required dynamic mid,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.userFavFolder,
       queryParameters: {
         'pn': pn,
@@ -423,7 +423,7 @@ abstract final class FavHttp {
       'csrf': Accounts.main.csrf,
     };
     AppSign.appSign(data);
-    var res = await Request().post(
+    final res = await Request().post(
       Api.sortFavFolder,
       data: data,
       options: Options(
@@ -447,7 +447,7 @@ abstract final class FavHttp {
       'csrf': Accounts.main.csrf,
     };
     AppSign.appSign(data);
-    var res = await Request().post(
+    final res = await Request().post(
       Api.sortFav,
       data: data,
       options: Options(
@@ -464,7 +464,7 @@ abstract final class FavHttp {
   static Future<LoadingState<Null>> cleanFav({
     required Object mediaId,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.cleanFav,
       data: {
         'media_id': mediaId,
@@ -485,7 +485,7 @@ abstract final class FavHttp {
   static Future<LoadingState<Null>> deleteFolder({
     required String mediaIds,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.deleteFolder,
       data: {
         'media_ids': mediaIds,
@@ -511,7 +511,7 @@ abstract final class FavHttp {
     required String cover,
     required String intro,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       isAdd ? Api.addFolder : Api.editFolder,
       data: {
         'title': title,
@@ -535,7 +535,7 @@ abstract final class FavHttp {
   static Future<LoadingState<FavFolderInfo>> favFolderInfo({
     required Object mediaId,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.favFolderInfo,
       queryParameters: {
         'media_id': mediaId,
@@ -552,7 +552,7 @@ abstract final class FavHttp {
     required bool isFav,
     required dynamic seasonId,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       isFav ? Api.unfavSeason : Api.favSeason,
       data: {
         'platform': 'web',
@@ -584,7 +584,7 @@ abstract final class FavHttp {
       'statistics': Constants.statisticsApp,
       'up_mid': mid,
     };
-    var res = await Request().get(
+    final res = await Request().get(
       Api.spaceFav,
       queryParameters: params,
       options: Options(
@@ -609,7 +609,7 @@ abstract final class FavHttp {
     required Object opusId,
     required Object action,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.communityAction,
       queryParameters: {
         'csrf': Accounts.main.csrf,
@@ -635,7 +635,7 @@ abstract final class FavHttp {
     String? addIds,
     String? delIds,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.favVideo,
       data: {
         'resources': resources,
@@ -657,7 +657,7 @@ abstract final class FavHttp {
     required Object rid,
     required Object type,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.unfavAll,
       data: {
         'rid': rid,
@@ -681,7 +681,7 @@ abstract final class FavHttp {
     dynamic mid,
     required String resources,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       isFav
           ? isCopy
                 ? Api.copyFav
@@ -707,7 +707,7 @@ abstract final class FavHttp {
   }
 
   static Future<LoadingState<FavFolderData>> allFavFolders(Object mid) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.favFolder,
       queryParameters: {'up_mid': mid},
     );
@@ -724,7 +724,7 @@ abstract final class FavHttp {
     dynamic rid,
     dynamic type,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.favFolder,
       queryParameters: {
         'up_mid': mid,
diff --git a/lib/http/follow.dart b/lib/http/follow.dart
index 0f402cc6d..880a9adfe 100644
--- a/lib/http/follow.dart
+++ b/lib/http/follow.dart
@@ -10,7 +10,7 @@ abstract final class FollowHttp {
     int ps = 20,
     String orderType = '', // ''=>最近关注，'attention'=>最常访问
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.followings,
       queryParameters: {
         'vmid': vmid,
diff --git a/lib/http/live.dart b/lib/http/live.dart
index 87c39dc7f..2b834e10e 100644
--- a/lib/http/live.dart
+++ b/lib/http/live.dart
@@ -37,7 +37,7 @@ abstract final class LiveHttp {
     Object? emoticonOptions,
   }) async {
     String csrf = Accounts.main.csrf;
-    var res = await Request().post(
+    final res = await Request().post(
       Api.sendLiveMsg,
       data: FormData.fromMap({
         'bubble': 0,
@@ -76,7 +76,7 @@ abstract final class LiveHttp {
     Object? qn,
     bool onlyAudio = false,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.liveRoomInfo,
       queryParameters: await WbiSign.makSign({
         'room_id': roomId,
@@ -102,7 +102,7 @@ abstract final class LiveHttp {
   static Future<LoadingState<RoomInfoH5Data>> liveRoomInfoH5({
     required Object roomId,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.liveRoomInfoH5,
       queryParameters: {
         'room_id': roomId,
@@ -116,7 +116,7 @@ abstract final class LiveHttp {
   }
 
   static Future liveRoomDanmaPrefetch({required Object roomId}) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.liveRoomDmPrefetch,
       queryParameters: {'roomid': roomId},
       options: Options(
@@ -136,7 +136,7 @@ abstract final class LiveHttp {
   static Future<LoadingState<LiveDmInfoData>> liveRoomGetDanmakuToken({
     required Object roomId,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.liveRoomDmToken,
       queryParameters: await WbiSign.makSign({
         'id': roomId,
@@ -153,7 +153,7 @@ abstract final class LiveHttp {
   static Future<LoadingState<List<LiveEmoteDatum>?>> getLiveEmoticons({
     required int roomId,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.getLiveEmoticons,
       queryParameters: {
         'platform': 'pc',
@@ -195,7 +195,7 @@ abstract final class LiveHttp {
       'statistics': Constants.statisticsApp,
     };
     AppSign.appSign(params);
-    var res = await Request().get(
+    final res = await Request().get(
       Api.liveFeedIndex,
       queryParameters: params,
       options: Options(
@@ -224,7 +224,7 @@ abstract final class LiveHttp {
   }
 
   static Future<LoadingState<LiveFollowData>> liveFollow(int page) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.liveFollow,
       queryParameters: {
         'page': page,
@@ -275,7 +275,7 @@ abstract final class LiveHttp {
       'statistics': Constants.statisticsApp,
     };
     AppSign.appSign(params);
-    var res = await Request().get(
+    final res = await Request().get(
       Api.liveSecondList,
       queryParameters: params,
       options: Options(
@@ -319,7 +319,7 @@ abstract final class LiveHttp {
       'statistics': Constants.statisticsApp,
     };
     AppSign.appSign(params);
-    var res = await Request().get(
+    final res = await Request().get(
       Api.liveAreaList,
       queryParameters: params,
     );
@@ -350,7 +350,7 @@ abstract final class LiveHttp {
       'statistics': Constants.statisticsApp,
     };
     AppSign.appSign(params);
-    var res = await Request().get(
+    final res = await Request().get(
       Api.getLiveFavTag,
       queryParameters: params,
     );
@@ -386,7 +386,7 @@ abstract final class LiveHttp {
       'statistics': Constants.statisticsApp,
     };
     AppSign.appSign(data);
-    var res = await Request().post(
+    final res = await Request().post(
       Api.setLiveFavTag,
       data: data,
       options: Options(contentType: Headers.formUrlEncodedContentType),
@@ -420,7 +420,7 @@ abstract final class LiveHttp {
       'statistics': Constants.statisticsApp,
     };
     AppSign.appSign(params);
-    var res = await Request().get(
+    final res = await Request().get(
       Api.liveRoomAreaList,
       queryParameters: params,
     );
@@ -457,7 +457,7 @@ abstract final class LiveHttp {
       'type': type.name,
     };
     AppSign.appSign(params);
-    var res = await Request().get(
+    final res = await Request().get(
       Api.liveSearch,
       queryParameters: params,
     );
@@ -471,7 +471,7 @@ abstract final class LiveHttp {
   static Future<LoadingState<ShieldInfo?>> getLiveInfoByUser(
     Object roomId,
   ) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.getLiveInfoByUser,
       queryParameters: await WbiSign.makSign({
         'room_id': roomId,
@@ -492,7 +492,7 @@ abstract final class LiveHttp {
     required int level,
   }) async {
     final csrf = Accounts.main.csrf;
-    var res = await Request().post(
+    final res = await Request().post(
       Api.liveSetSilent,
       data: {
         'type': type,
@@ -513,7 +513,7 @@ abstract final class LiveHttp {
     required String keyword,
   }) async {
     final csrf = Accounts.main.csrf;
-    var res = await Request().post(
+    final res = await Request().post(
       Api.addShieldKeyword,
       data: {
         'keyword': keyword,
@@ -533,7 +533,7 @@ abstract final class LiveHttp {
     required String keyword,
   }) async {
     final csrf = Accounts.main.csrf;
-    var res = await Request().post(
+    final res = await Request().post(
       Api.delShieldKeyword,
       data: {
         'keyword': keyword,
@@ -555,7 +555,7 @@ abstract final class LiveHttp {
     required int type,
   }) async {
     final csrf = Accounts.main.csrf;
-    var res = await Request().post(
+    final res = await Request().post(
       Api.liveShieldUser,
       data: {
         'uid': uid,
@@ -579,7 +579,7 @@ abstract final class LiveHttp {
     required Object uid,
     Object? anchorId,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.liveLikeReport,
       data: await WbiSign.makSign({
         'click_time': clickTime,
@@ -602,7 +602,7 @@ abstract final class LiveHttp {
   static Future<LoadingState<SuperChatData>> superChatMsg(
     Object roomId,
   ) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.superChatMsg,
       queryParameters: {
         'room_id': roomId,
diff --git a/lib/http/loading_state.dart b/lib/http/loading_state.dart
index 0b8c86b30..0719448b5 100644
--- a/lib/http/loading_state.dart
+++ b/lib/http/loading_state.dart
@@ -8,12 +8,12 @@ sealed class LoadingState<T> {
   bool get isSuccess => this is Success<T>;
 
   T get data => switch (this) {
-    Success(:var response) => response,
+    Success(:final response) => response,
     _ => throw this,
   };
 
   T? get dataOrNull => switch (this) {
-    Success(:var response) => response,
+    Success(:final response) => response,
     _ => null,
   };
 
diff --git a/lib/http/login.dart b/lib/http/login.dart
index 587822ea5..748183244 100644
--- a/lib/http/login.dart
+++ b/lib/http/login.dart
@@ -33,14 +33,14 @@ abstract final class LoginHttp {
   @pragma('vm:notify-debugger-on-exception')
   static Future<LoadingState<({String authCode, String url})>>
   getHDcode() async {
-    var params = {
+    final params = {
       // 'local_id': 'Y952A395BB157D305D8A8340FC2AAECECE17',
       'local_id': '0',
       'platform': 'android',
       'mobi_app': 'android_hd',
     };
     AppSign.appSign(params);
-    var res = await Request().post(Api.getTVCode, queryParameters: params);
+    final res = await Request().post(Api.getTVCode, queryParameters: params);
 
     if (res.data['code'] == 0) {
       try {
@@ -55,12 +55,12 @@ abstract final class LoginHttp {
   }
 
   static Future codePoll(String authCode) async {
-    var params = {
+    final params = {
       'auth_code': authCode,
       'local_id': '0',
     };
     AppSign.appSign(params);
-    var res = await Request().post(Api.qrcodePoll, queryParameters: params);
+    final res = await Request().post(Api.qrcodePoll, queryParameters: params);
     return {
       'status': res.data['code'] == 0,
       'code': res.data['code'],
@@ -70,7 +70,7 @@ abstract final class LoginHttp {
   }
 
   static Future queryCaptcha() async {
-    var res = await Request().get(Api.getCaptcha);
+    final res = await Request().get(Api.getCaptcha);
     if (res.data['code'] == 0) {
       return {
         'status': true,
@@ -83,7 +83,7 @@ abstract final class LoginHttp {
 
   // 获取salt与PubKey
   static Future getWebKey() async {
-    var res = await Request().get(Api.getWebKey);
+    final res = await Request().get(Api.getWebKey);
     //data: {'disable_rcmd': 0, 'local_id': LoginUtils.generateBuvid()});
     if (res.data['code'] == 0) {
       return {'status': true, 'data': res.data['data']};
@@ -102,7 +102,7 @@ abstract final class LoginHttp {
     String? recaptchaToken,
   }) async {
     int timestamp = DateTime.now().millisecondsSinceEpoch;
-    var data = {
+    final data = {
       'build': '2001100',
       'buvid': buvid,
       'c_locale': 'zh_CN',
@@ -128,7 +128,7 @@ abstract final class LoginHttp {
     };
     AppSign.appSign(data);
 
-    var res = await Request().post(
+    final res = await Request().post(
       Api.appSmsCode,
       data: data,
       options: Options(
@@ -151,7 +151,7 @@ abstract final class LoginHttp {
 
   // static Future getGuestId(String key) async {
   //   dynamic publicKey = RSAKeyParser().parse(key);
-  //   var params = {
+  //   final params = {
   //     'appkey': Constants.appKey,
   //     'build': '2001100',
   //     'buvid': buvid,
@@ -174,7 +174,7 @@ abstract final class LoginHttp {
   //     Constants.appKey,
   //     Constants.appSec,
   //   );
-  //   var res = await Request().post(Api.getGuestId,
+  //   final res = await Request().post(Api.getGuestId,
   //       queryParameters: {...params, 'sign': sign},
   //       options: Options(
   //         contentType: Headers.formUrlEncodedContentType,
@@ -237,7 +237,7 @@ abstract final class LoginHttp {
       'username': username,
     };
     AppSign.appSign(data);
-    var res = await Request().post(
+    final res = await Request().post(
       Api.loginByPwdApi,
       data: data,
       options: Options(
@@ -303,7 +303,7 @@ abstract final class LoginHttp {
       'tel': tel,
     };
     AppSign.appSign(data);
-    var res = await Request().post(
+    final res = await Request().post(
       Api.logInByAppSms,
       data: data,
       options: Options(
@@ -329,7 +329,7 @@ abstract final class LoginHttp {
   static Future safeCenterGetInfo({
     required String tmpCode,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.safeCenterGetInfo,
       queryParameters: {
         'tmp_code': tmpCode,
@@ -349,7 +349,7 @@ abstract final class LoginHttp {
 
   // 风控验证手机前的极验验证码
   static Future preCapture() async {
-    var res = await Request().post(Api.preCapture);
+    final res = await Request().post(Api.preCapture);
 
     if (res.data['code'] == 0) {
       return {'status': true, 'data': res.data['data']};
@@ -383,7 +383,7 @@ abstract final class LoginHttp {
       'recaptcha_token': ?recaptchaToken,
     };
     AppSign.appSign(data);
-    var res = await Request().post(
+    final res = await Request().post(
       Api.safeCenterSmsCode,
       data: data,
       options: Options(
@@ -425,7 +425,7 @@ abstract final class LoginHttp {
       'captcha_key': captchaKey,
     };
     AppSign.appSign(data);
-    var res = await Request().post(
+    final res = await Request().post(
       Api.safeCenterSmsVerify,
       data: data,
       options: Options(
@@ -471,7 +471,7 @@ abstract final class LoginHttp {
       // 'statistics': Constants.statistics,
     };
     AppSign.appSign(data);
-    var res = await Request().post(
+    final res = await Request().post(
       Api.oauth2AccessToken,
       data: data,
       options: Options(
@@ -493,7 +493,7 @@ abstract final class LoginHttp {
   }
 
   static Future<Map> logout(Account account) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.logout,
       data: {'biliCSRF': account.csrf},
       options: Options(
@@ -519,7 +519,7 @@ abstract final class LoginHttp {
       'statistics': Constants.statistics,
     };
     AppSign.appSign(params);
-    var res = await Request().get(
+    final res = await Request().get(
       Api.loginDevices,
       queryParameters: params,
     );
diff --git a/lib/http/match.dart b/lib/http/match.dart
index 075593e8e..84a2d487c 100644
--- a/lib/http/match.dart
+++ b/lib/http/match.dart
@@ -6,7 +6,7 @@ import 'package:PiliPlus/models_new/match/match_info/data.dart';
 
 abstract final class MatchHttp {
   static Future<LoadingState<MatchContest?>> matchInfo(Object cid) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.matchInfo,
       queryParameters: {
         'cid': cid,
diff --git a/lib/http/member.dart b/lib/http/member.dart
index b88949f51..3830f2409 100644
--- a/lib/http/member.dart
+++ b/lib/http/member.dart
@@ -36,7 +36,7 @@ abstract final class MemberHttp {
     String? reason,
     int? reasonV2,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.reportMember,
       data: {
         'mid': mid,
@@ -69,7 +69,7 @@ abstract final class MemberHttp {
       'statistics': Constants.statisticsApp,
       'vmid': mid,
     };
-    var res = await Request().get(
+    final res = await Request().get(
       Api.spaceArticle,
       queryParameters: params,
       options: Options(
@@ -90,7 +90,7 @@ abstract final class MemberHttp {
     required int? mid,
     required int pn,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.seasonSeries,
       queryParameters: {
         'mid': mid,
@@ -140,7 +140,7 @@ abstract final class MemberHttp {
       'statistics': Constants.statisticsApp,
       'vmid': mid,
     };
-    var res = await Request().get(
+    final res = await Request().get(
       switch (type) {
         ContributeType.video => Api.spaceArchive,
         ContributeType.charging => Api.spaceChargingArchive,
@@ -168,7 +168,7 @@ abstract final class MemberHttp {
     required int page,
     required mid,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.spaceAudio,
       queryParameters: {
         'pn': page,
@@ -189,7 +189,7 @@ abstract final class MemberHttp {
     required int page,
     required mid,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.spaceCheese,
       queryParameters: {
         'pn': page,
@@ -231,7 +231,7 @@ abstract final class MemberHttp {
       'statistics': Constants.statisticsApp,
       'vmid': mid,
     };
-    var res = await Request().get(
+    final res = await Request().get(
       Api.spaceStory,
       queryParameters: params,
       options: Options(
@@ -264,7 +264,7 @@ abstract final class MemberHttp {
       'statistics': Constants.statisticsApp,
       'vmid': mid,
     };
-    var res = await Request().get(
+    final res = await Request().get(
       Api.space,
       queryParameters: params,
       options: Options(
@@ -297,7 +297,7 @@ abstract final class MemberHttp {
       'dm_cover_img_str': dmCoverImgStr,
       'dm_img_inter': '{"ds":[],"wh":[0,0,0],"of":[0,0,0]}',
     });
-    var res = await Request().get(
+    final res = await Request().get(
       Api.memberInfo,
       queryParameters: params,
       options: Options(
@@ -316,7 +316,7 @@ abstract final class MemberHttp {
   }
 
   static Future memberStat({int? mid}) async {
-    var res = await Request().get(Api.userStat, queryParameters: {'vmid': mid});
+    final res = await Request().get(Api.userStat, queryParameters: {'vmid': mid});
     if (res.data['code'] == 0) {
       return {'status': true, 'data': res.data['data']};
     } else {
@@ -327,7 +327,7 @@ abstract final class MemberHttp {
   static Future<LoadingState<MemberCardInfoData>> memberCardInfo({
     int? mid,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.memberCardInfo,
       queryParameters: {
         'mid': mid,
@@ -367,7 +367,7 @@ abstract final class MemberHttp {
       'dm_cover_img_str': dmCoverImgStr,
       'dm_img_inter': '{"ds":[],"wh":[0,0,0],"of":[0,0,0]}',
     });
-    var res = await Request().get(
+    final res = await Request().get(
       Api.searchArchive,
       queryParameters: params,
       options: Options(
@@ -410,7 +410,7 @@ abstract final class MemberHttp {
       'x-bili-device-req-json':
           '{"platform":"web","device":"pc","spmid":"333.1387"}',
     });
-    var res = await Request().get(
+    final res = await Request().get(
       Api.memberDynamic,
       queryParameters: params,
       options: Options(
@@ -445,7 +445,7 @@ abstract final class MemberHttp {
     required dynamic offset,
     required String keyword,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.dynSearch,
       queryParameters: {
         'host_mid': mid,
@@ -465,7 +465,7 @@ abstract final class MemberHttp {
 
   // 查询分组
   static Future<LoadingState<List<MemberTagItemModel>>> followUpTags() async {
-    var res = await Request().get(Api.followUpTag);
+    final res = await Request().get(Api.followUpTag);
     if (res.data['code'] == 0) {
       return Success(
         (res.data['data'] as List)
@@ -481,7 +481,7 @@ abstract final class MemberHttp {
     int? fid,
     bool isAdd = true,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       isAdd ? Api.addSpecial : Api.delSpecial,
       data: {
         'fid': fid,
@@ -498,7 +498,7 @@ abstract final class MemberHttp {
 
   // 设置分组
   static Future<LoadingState<Null>> addUsers(String fids, String tagids) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.addUsers,
       queryParameters: {
         'x-bili-device-req-json':
@@ -526,7 +526,7 @@ abstract final class MemberHttp {
     int? pn,
     int ps = 20,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.followUpGroup,
       queryParameters: {
         'mid': mid,
@@ -551,7 +551,7 @@ abstract final class MemberHttp {
   }
 
   static Future<LoadingState<Null>> createFollowTag(Object tagName) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.createFollowTag,
       queryParameters: {
         'x-bili-device-req-json':
@@ -574,7 +574,7 @@ abstract final class MemberHttp {
     Object tagid,
     Object name,
   ) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.updateFollowTag,
       queryParameters: {
         'x-bili-device-req-json':
@@ -595,7 +595,7 @@ abstract final class MemberHttp {
   }
 
   static Future<LoadingState<Null>> delFollowTag(Object tagid) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.delFollowTag,
       queryParameters: {
         'x-bili-device-req-json':
@@ -616,7 +616,7 @@ abstract final class MemberHttp {
 
   // 获取up置顶
   static Future<LoadingState<List<MemberTagItemModel>?>> getTopVideo() async {
-    var res = await Request().get(Api.getTopVideoApi);
+    final res = await Request().get(Api.getTopVideoApi);
     if (res.data['code'] == 0) {
       return Success(
         (res.data['data'] as List?)
@@ -630,7 +630,7 @@ abstract final class MemberHttp {
 
   // 获取up播放数、点赞数
   static Future memberView({required int mid}) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.getMemberViewApi,
       queryParameters: {'mid': mid},
     );
@@ -659,7 +659,7 @@ abstract final class MemberHttp {
       'web_location': 333.999,
     };
     Map params = await WbiSign.makSign(data);
-    var res = await Request().get(
+    final res = await Request().get(
       Api.followSearch,
       queryParameters: {
         ...data,
@@ -680,7 +680,7 @@ abstract final class MemberHttp {
     String offset = '',
     String type = 'all',
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.spaceOpus,
       queryParameters: await WbiSign.makSign({
         'host_mid': hostMid,
@@ -702,7 +702,7 @@ abstract final class MemberHttp {
     required int page,
     int? privilegeType,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.upowerRank,
       queryParameters: {
         'up_mid': upMid,
@@ -725,7 +725,7 @@ abstract final class MemberHttp {
     required int mid,
     required int page,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.coinArc,
       queryParameters: {
         'pn': page,
@@ -744,7 +744,7 @@ abstract final class MemberHttp {
     required int mid,
     required int page,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.likeArc,
       queryParameters: {
         'pn': page,
@@ -771,7 +771,7 @@ abstract final class MemberHttp {
       'statistics': Constants.statisticsApp,
     };
     AppSign.appSign(params);
-    var res = await Request().post(
+    final res = await Request().post(
       Api.spaceShop,
       queryParameters: params,
       data: {
diff --git a/lib/http/msg.dart b/lib/http/msg.dart
index b2e2b01b9..cbda879e1 100644
--- a/lib/http/msg.dart
+++ b/lib/http/msg.dart
@@ -23,7 +23,7 @@ abstract final class MsgHttp {
     int? cursor,
     int? cursorTime,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.msgFeedReply,
       queryParameters: {
         'id': ?cursor,
@@ -45,7 +45,7 @@ abstract final class MsgHttp {
     int? cursor,
     int? cursorTime,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.msgFeedAt,
       queryParameters: {
         'id': ?cursor,
@@ -67,7 +67,7 @@ abstract final class MsgHttp {
     int? cursor,
     int? cursorTime,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.msgFeedLike,
       queryParameters: {
         'id': ?cursor,
@@ -90,7 +90,7 @@ abstract final class MsgHttp {
     required int pn,
     Object lastMid = 0,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.msgLikeDetail,
       queryParameters: {
         'card_id': cardId,
@@ -113,7 +113,7 @@ abstract final class MsgHttp {
     int? cursor,
     int pageSize = 20,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.msgSysNotify,
       queryParameters: {
         'cursor': ?cursor,
@@ -136,7 +136,7 @@ abstract final class MsgHttp {
 
   static Future<LoadingState<Null>> msgSysUpdateCursor(int cursor) async {
     String csrf = Accounts.main.csrf;
-    var res = await Request().get(
+    final res = await Request().get(
       Api.msgSysUpdateCursor,
       queryParameters: {
         'csrf': csrf,
@@ -155,7 +155,7 @@ abstract final class MsgHttp {
     required String bucket,
     required String dir,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.uploadImage,
       data: FormData.fromMap({
         'bucket': bucket,
@@ -183,7 +183,7 @@ abstract final class MsgHttp {
     String? biz,
     CancelToken? cancelToken,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.uploadBfs,
       data: FormData.fromMap({
         'file_up': await MultipartFile.fromFile(path),
@@ -212,7 +212,7 @@ abstract final class MsgHttp {
       'csrf_token': csrf,
       'csrf': csrf,
     });
-    var res = await Request().post(
+    final res = await Request().post(
       HttpString.tUrl + Api.createTextDynamic,
       data: data,
       options: Options(contentType: Headers.formUrlEncodedContentType),
@@ -229,7 +229,7 @@ abstract final class MsgHttp {
     Object? dynType,
     Object? ridStr,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.removeDynamic,
       queryParameters: {
         'platform': 'web',
@@ -260,7 +260,7 @@ abstract final class MsgHttp {
       'csrf_token': csrf,
       'csrf': csrf,
     });
-    var res = await Request().post(
+    final res = await Request().post(
       HttpString.tUrl + Api.removeMsg,
       data: data,
       options: Options(contentType: Headers.formUrlEncodedContentType),
@@ -277,7 +277,7 @@ abstract final class MsgHttp {
     dynamic id,
   ) async {
     String csrf = Accounts.main.csrf;
-    var res = await Request().post(
+    final res = await Request().post(
       Api.delMsgfeed,
       data: {
         'tp': tp,
@@ -300,7 +300,7 @@ abstract final class MsgHttp {
     Object id,
   ) async {
     String csrf = Accounts.main.csrf;
-    var res = await Request().post(
+    final res = await Request().post(
       HttpString.messageBaseUrl + Api.delSysMsg,
       queryParameters: {
         'mobi_app': 'android',
@@ -335,7 +335,7 @@ abstract final class MsgHttp {
       'csrf_token': csrf,
       'csrf': csrf,
     });
-    var res = await Request().post(
+    final res = await Request().post(
       HttpString.tUrl + Api.setTop,
       data: data,
       options: Options(contentType: Headers.formUrlEncodedContentType),
@@ -362,7 +362,7 @@ abstract final class MsgHttp {
       'csrf_token': csrf,
       'csrf': csrf,
     });
-    var res = await Request().get(Api.ackSessionMsg, queryParameters: params);
+    final res = await Request().get(Api.ackSessionMsg, queryParameters: params);
     if (res.data['code'] == 0) {
       return const Success(null);
     } else {
@@ -402,7 +402,7 @@ abstract final class MsgHttp {
       'csrf': csrf,
     };
     Map<String, dynamic> params = await WbiSign.makSign(data);
-    var res = await Request().post(
+    final res = await Request().post(
       Api.sendMsg,
       queryParameters: <String, dynamic>{
         'w_sender_uid': senderUid,
@@ -432,7 +432,7 @@ abstract final class MsgHttp {
     required int noticeState,
   }) async {
     final csrf = Accounts.main.csrf;
-    var res = await Request().post(
+    final res = await Request().post(
       Api.msgSetNotice,
       data: {
         'mobi_app': 'web',
@@ -461,7 +461,7 @@ abstract final class MsgHttp {
     required dndUid,
   }) async {
     final csrf = Accounts.main.csrf;
-    var res = await Request().post(
+    final res = await Request().post(
       Api.setMsgDnd,
       data: {
         'uid': uid,
@@ -486,7 +486,7 @@ abstract final class MsgHttp {
     required talkerUid,
   }) async {
     final csrf = Accounts.main.csrf;
-    var res = await Request().post(
+    final res = await Request().post(
       Api.setPushSs,
       data: {
         'setting': setting,
@@ -509,7 +509,7 @@ abstract final class MsgHttp {
     required String uids,
   }) async {
     final csrf = Accounts.main.csrf;
-    var res = await Request().get(
+    final res = await Request().get(
       Api.imUserInfos,
       queryParameters: {
         'uids': uids,
@@ -534,7 +534,7 @@ abstract final class MsgHttp {
     required Object talkerUid,
   }) async {
     final csrf = Accounts.main.csrf;
-    var res = await Request().get(
+    final res = await Request().get(
       Api.getSessionSs,
       queryParameters: {
         'talker_uid': talkerUid,
@@ -555,7 +555,7 @@ abstract final class MsgHttp {
     required Object uidsStr,
   }) async {
     final csrf = Accounts.main.csrf;
-    var res = await Request().get(
+    final res = await Request().get(
       Api.getMsgDnd,
       queryParameters: {
         'own_uid': Accounts.main.mid,
@@ -578,7 +578,7 @@ abstract final class MsgHttp {
   }
 
   static Future<LoadingState<SingleUnreadData>> msgUnread() async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.msgUnread,
       queryParameters: {
         'build': 0,
@@ -595,7 +595,7 @@ abstract final class MsgHttp {
   }
 
   static Future<LoadingState<MsgFeedUnreadData>> msgFeedUnread() async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.msgFeedUnread,
       queryParameters: {
         'build': 0,
diff --git a/lib/http/pgc.dart b/lib/http/pgc.dart
index 22d436167..d7ec6c889 100644
--- a/lib/http/pgc.dart
+++ b/lib/http/pgc.dart
@@ -19,7 +19,7 @@ abstract final class PgcHttp {
     type,
     indexType,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.pgcIndexResult,
       queryParameters: {
         ...params,
@@ -42,7 +42,7 @@ abstract final class PgcHttp {
     required Object type,
     Object? indexType,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.pgcIndexCondition,
       queryParameters: {
         'season_type': ?seasonType,
@@ -61,7 +61,7 @@ abstract final class PgcHttp {
     int? page,
     int? indexType,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.pgcIndexResult,
       queryParameters: {
         'st': 1,
@@ -95,7 +95,7 @@ abstract final class PgcHttp {
     required int before,
     required int after,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.pgcTimeline,
       queryParameters: {
         'types': types,
@@ -116,7 +116,7 @@ abstract final class PgcHttp {
     int sort = 0,
     String? next,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       type.api,
       queryParameters: {
         'media_id': mediaId,
@@ -137,7 +137,7 @@ abstract final class PgcHttp {
     required Object mediaId,
     required Object reviewId,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.pgcReviewLike,
       data: {
         'media_id': mediaId,
@@ -158,7 +158,7 @@ abstract final class PgcHttp {
     required Object mediaId,
     required Object reviewId,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.pgcReviewDislike,
       data: {
         'media_id': mediaId,
@@ -181,7 +181,7 @@ abstract final class PgcHttp {
     required String content,
     bool shareFeed = false,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.pgcReviewPost,
       data: {
         'media_id': mediaId,
@@ -205,7 +205,7 @@ abstract final class PgcHttp {
     required String content,
     required reviewId,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.pgcReviewMod,
       data: {
         'media_id': mediaId,
@@ -227,7 +227,7 @@ abstract final class PgcHttp {
     required Object mediaId,
     required Object reviewId,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.pgcReviewDel,
       data: {
         'media_id': mediaId,
@@ -244,7 +244,7 @@ abstract final class PgcHttp {
   }
 
   static Future seasonStatus(Object seasonId) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.seasonStatus,
       queryParameters: {'season_id': seasonId},
     );
diff --git a/lib/http/reply.dart b/lib/http/reply.dart
index 343ebb60e..508522aa0 100644
--- a/lib/http/reply.dart
+++ b/lib/http/reply.dart
@@ -24,7 +24,7 @@ abstract final class ReplyHttp {
     required int page,
     int sort = 1,
   }) async {
-    var res = !isLogin
+    final res = !isLogin
         ? await Request().get(
             '${Api.replyList}/main',
             queryParameters: {
@@ -62,7 +62,7 @@ abstract final class ReplyHttp {
     required int type,
     bool isCheck = false,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.replyReplyList,
       queryParameters: {
         'oid': oid,
@@ -92,7 +92,7 @@ abstract final class ReplyHttp {
     required int oid,
     required int rpid,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.hateReply,
       data: {
         'type': type,
@@ -117,7 +117,7 @@ abstract final class ReplyHttp {
     required int rpid,
     required int action,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.likeReply,
       data: {
         'type': type,
@@ -138,7 +138,7 @@ abstract final class ReplyHttp {
   static Future<LoadingState<List<Package>?>> getEmoteList({
     String? business,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.myEmote,
       queryParameters: {
         'business': business ?? 'reply',
@@ -158,7 +158,7 @@ abstract final class ReplyHttp {
     required Object rpid,
     required bool isUpTop,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.replyTop,
       data: {
         'oid': oid,
diff --git a/lib/http/search.dart b/lib/http/search.dart
index 66cbe6f83..78bc31ec3 100644
--- a/lib/http/search.dart
+++ b/lib/http/search.dart
@@ -22,7 +22,7 @@ abstract final class SearchHttp {
   static Future<LoadingState<SearchSuggestModel>> searchSuggest({
     required String term,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.searchSuggest,
       queryParameters: {
         'term': term,
@@ -58,7 +58,7 @@ abstract final class SearchHttp {
     String? gaiaVtoken,
     required ValueChanged<String> onSuccess,
   }) async {
-    var params = await WbiSign.makSign({
+    final params = await WbiSign.makSign({
       'search_type': searchType.name,
       'keyword': keyword,
       'page': page,
@@ -75,7 +75,7 @@ abstract final class SearchHttp {
       'web_location': 1430654,
       'gaia_vtoken': ?gaiaVtoken,
     });
-    var res = await Request().get(
+    final res = await Request().get(
       Api.searchByType,
       queryParameters: params,
       options: Options(
@@ -142,7 +142,7 @@ abstract final class SearchHttp {
     int? pubBegin,
     int? pubEnd,
   }) async {
-    var params = await WbiSign.makSign({
+    final params = await WbiSign.makSign({
       'keyword': keyword,
       'page': page,
       if (order != null && order.isNotEmpty) 'order': order,
@@ -154,7 +154,7 @@ abstract final class SearchHttp {
       'pubtime_begin_s': ?pubBegin,
       'pubtime_end_s': ?pubEnd,
     });
-    var res = await Request().get(
+    final res = await Request().get(
       Api.searchAll,
       queryParameters: params,
     );
@@ -173,7 +173,7 @@ abstract final class SearchHttp {
   }
 
   static Future<int?> ab2c({dynamic aid, dynamic bvid, int? part}) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.ab2c,
       queryParameters: {
         'aid': ?aid,
@@ -198,7 +198,7 @@ abstract final class SearchHttp {
     dynamic seasonId,
     dynamic epId,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.pgcInfo,
       queryParameters: {
         'season_id': ?seasonId,
@@ -216,7 +216,7 @@ abstract final class SearchHttp {
     dynamic seasonId,
     dynamic epId,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.pugvInfo,
       queryParameters: {
         'season_id': ?seasonId,
@@ -231,7 +231,7 @@ abstract final class SearchHttp {
   }
 
   static Future<LoadingState> episodeInfo({dynamic epId}) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.episodeInfo,
       queryParameters: {
         'ep_id': ?epId,
diff --git a/lib/http/sponsor_block.dart b/lib/http/sponsor_block.dart
index 647a68cd2..12f3c260d 100644
--- a/lib/http/sponsor_block.dart
+++ b/lib/http/sponsor_block.dart
@@ -58,7 +58,7 @@ abstract final class SponsorBlock {
     );
 
     if (res.statusCode == 200) {
-      if (res.data case List list) {
+      if (res.data case final List list) {
         return Success(list.map((i) => SegmentItemModel.fromJson(i)).toList());
       }
     }
@@ -152,7 +152,7 @@ abstract final class SponsorBlock {
     );
 
     if (res.statusCode == 200) {
-      if (res.data case List list) {
+      if (res.data case final List list) {
         return Success(list.map((i) => SegmentItemModel.fromJson(i)).toList());
       }
     }
@@ -182,7 +182,7 @@ abstract final class SponsorBlock {
     );
 
     if (res.statusCode == 200) {
-      if (res.data case Map<String, dynamic> data) {
+      if (res.data case final Map<String, dynamic> data) {
         if (data['ytbID'] case String ytbId) {
           return Success(ytbId);
         }
@@ -210,7 +210,7 @@ abstract final class SponsorBlock {
     );
 
     if (res.statusCode == 200) {
-      if (res.data case Map<String, dynamic> data) {
+      if (res.data case final Map<String, dynamic> data) {
         if (data['UUID'] case String uuid) {
           return Success(uuid);
         }
diff --git a/lib/http/user.dart b/lib/http/user.dart
index 2acf7cd06..147199a6e 100644
--- a/lib/http/user.dart
+++ b/lib/http/user.dart
@@ -22,7 +22,7 @@ import 'package:dio/dio.dart';
 
 abstract final class UserHttp {
   static Future<dynamic> userStat({required int mid}) async {
-    var res = await Request().get(Api.userStat, queryParameters: {'vmid': mid});
+    final res = await Request().get(Api.userStat, queryParameters: {'vmid': mid});
     if (res.data['code'] == 0) {
       return {'status': true, 'data': res.data['data']};
     } else {
@@ -31,7 +31,7 @@ abstract final class UserHttp {
   }
 
   static Future<LoadingState<UserInfoData>> userInfo() async {
-    var res = await Request().get(Api.userInfo);
+    final res = await Request().get(Api.userInfo);
     if (res.data['code'] == 0) {
       UserInfoData data = UserInfoData.fromJson(res.data['data']);
       GlobalData().coins = data.money;
@@ -42,7 +42,7 @@ abstract final class UserHttp {
   }
 
   static Future<dynamic> userStatOwner() async {
-    var res = await Request().get(Api.userStatOwner);
+    final res = await Request().get(Api.userStatOwner);
     if (res.data['code'] == 0) {
       UserStat data = UserStat.fromJson(res.data['data']);
       return {'status': true, 'data': data};
@@ -58,7 +58,7 @@ abstract final class UserHttp {
     String keyword = '',
     bool asc = false,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.seeYouLater,
       queryParameters: await WbiSign.makSign({
         'pn': page,
@@ -84,7 +84,7 @@ abstract final class UserHttp {
     int? viewAt,
     Account? account,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.historyList,
       queryParameters: {
         'type': type,
@@ -108,7 +108,7 @@ abstract final class UserHttp {
   }) async {
     // 暂停switchStatus传true 否则false
     account ??= Accounts.history;
-    var res = await Request().post(
+    final res = await Request().post(
       Api.pauseHistory,
       data: {
         'switch': switchStatus,
@@ -129,7 +129,7 @@ abstract final class UserHttp {
 
   // 观看历史暂停状态
   static Future<LoadingState<bool>> historyStatus({Account? account}) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.historyStatus,
       options: Options(extra: {'account': account ?? Accounts.history}),
     );
@@ -143,7 +143,7 @@ abstract final class UserHttp {
   // 清空历史记录
   static Future<LoadingState<Null>> clearHistory({Account? account}) async {
     account ??= Accounts.history;
-    var res = await Request().post(
+    final res = await Request().post(
       Api.clearHistory,
       data: {
         'jsonp': 'jsonp',
@@ -167,7 +167,7 @@ abstract final class UserHttp {
     Object? aid,
   }) async {
     assert(aid != null || bvid != null);
-    var res = await Request().post(
+    final res = await Request().post(
       Api.toViewLater,
       data: {
         'aid': ?aid,
@@ -189,7 +189,7 @@ abstract final class UserHttp {
       'csrf': Accounts.main.csrf,
       'resources': aids,
     };
-    var res = await Request().post(
+    final res = await Request().post(
       Api.toViewDel,
       data: params,
       options: Options(contentType: Headers.formUrlEncodedContentType),
@@ -203,7 +203,7 @@ abstract final class UserHttp {
 
   // 获取用户凭证 失效
   // static Future thirdLogin() async {
-  //   var res = await Request().get(
+  //   final res = await Request().get(
   //     'https://passport.bilibili.com/login/app/third',
   //     queryParameters: {
   //       'appkey': Constants.appKey,
@@ -222,7 +222,7 @@ abstract final class UserHttp {
 
   // 清空稍后再看 // clean_type: null->all, 1->invalid, 2->viewed
   static Future<LoadingState<Null>> toViewClear([int? cleanType]) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.toViewClear,
       data: {
         'clean_type': ?cleanType,
@@ -243,7 +243,7 @@ abstract final class UserHttp {
     Account? account,
   }) async {
     account ??= Accounts.history;
-    var res = await Request().post(
+    final res = await Request().post(
       Api.delHistory,
       data: {
         'kid': kid,
@@ -263,7 +263,7 @@ abstract final class UserHttp {
   }
 
   static Future hasFollow(int mid) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.relation,
       queryParameters: {
         'fid': mid,
@@ -282,7 +282,7 @@ abstract final class UserHttp {
     required String keyword,
     Account? account,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.searchHistory,
       queryParameters: {
         'pn': pn,
@@ -304,7 +304,7 @@ abstract final class UserHttp {
     required int pn,
     required int ps,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.userSubFolder,
       queryParameters: {
         'up_mid': mid,
@@ -324,7 +324,7 @@ abstract final class UserHttp {
     required String bvid,
     Object? cid,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.videoTags,
       queryParameters: {'bvid': bvid, 'cid': ?cid},
     );
@@ -351,7 +351,7 @@ abstract final class UserHttp {
     dynamic sortField = 1,
     bool direction = false,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.mediaList,
       queryParameters: {
         'mobi_app': 'web',
diff --git a/lib/http/video.dart b/lib/http/video.dart
index 3fbe441ac..9d94879c9 100644
--- a/lib/http/video.dart
+++ b/lib/http/video.dart
@@ -46,7 +46,7 @@ abstract final class VideoHttp {
     required int ps,
     required int freshIdx,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.recommendListWeb,
       queryParameters: {
         'version': 1,
@@ -60,7 +60,7 @@ abstract final class VideoHttp {
     );
     if (res.data['code'] == 0) {
       List<RecVideoItemModel> list = <RecVideoItemModel>[];
-      for (var i in res.data['data']['item']) {
+      for (final i in res.data['data']['item']) {
         //过滤掉live与ad，以及拉黑用户
         if (i['goto'] == 'av' &&
             (i['owner'] != null &&
@@ -108,7 +108,7 @@ abstract final class VideoHttp {
       'statistics': Constants.statistics,
       'voice_balance': 0,
     };
-    var res = await Request().get(
+    final res = await Request().get(
       Api.recommendListApp,
       queryParameters: params,
       options: Options(
@@ -131,7 +131,7 @@ abstract final class VideoHttp {
     );
     if (res.data['code'] == 0) {
       List<RecVideoItemAppModel> list = <RecVideoItemAppModel>[];
-      for (var i in res.data['data']['items']) {
+      for (final i in res.data['data']['items']) {
         // 屏蔽推广和拉黑用户
         if (i['card_goto'] != 'ad_av' &&
             i['card_goto'] != 'ad_web_s' &&
@@ -160,13 +160,13 @@ abstract final class VideoHttp {
     required int pn,
     required int ps,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.hotList,
       queryParameters: {'pn': pn, 'ps': ps},
     );
     if (res.data['code'] == 0) {
       List<HotVideoItemModel> list = <HotVideoItemModel>[];
-      for (var i in res.data['data']['list']) {
+      for (final i in res.data['data']['list']) {
         if (!GlobalData().blackMids.contains(i['owner']['mid']) &&
             !RecommendFilter.filterTitle(i['title']) &&
             !RecommendFilter.filterLikeRatio(
@@ -221,7 +221,7 @@ abstract final class VideoHttp {
     });
 
     try {
-      var res = await Request().get(
+      final res = await Request().get(
         videoType.api,
         queryParameters: params,
       );
@@ -276,7 +276,7 @@ abstract final class VideoHttp {
   static Future<LoadingState<VideoDetailData>> videoIntro({
     required String bvid,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.videoIntro,
       queryParameters: {'bvid': bvid},
     );
@@ -291,7 +291,7 @@ abstract final class VideoHttp {
   static Future<LoadingState<VideoRelation>> videoRelation({
     required String bvid,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.videoRelation,
       queryParameters: {
         'aid': IdUtils.bv2av(bvid),
@@ -309,7 +309,7 @@ abstract final class VideoHttp {
   static Future<LoadingState<List<HotVideoItemModel>?>> relatedVideoList({
     required String bvid,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.relatedList,
       queryParameters: {'bvid': bvid},
     );
@@ -330,7 +330,7 @@ abstract final class VideoHttp {
   static Future<LoadingState<PgcLCF>> pgcLikeCoinFav({
     required Object epId,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.pgcLikeCoinFav,
       queryParameters: {'ep_id': epId},
     );
@@ -347,7 +347,7 @@ abstract final class VideoHttp {
     required int multiply,
     int selectLike = 0,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.coinVideo,
       data: {
         'aid': IdUtils.bv2av(bvid).toString(),
@@ -370,7 +370,7 @@ abstract final class VideoHttp {
     required Object epId,
     Object? seasonId,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.pgcTriple,
       data: {
         'ep_id': epId,
@@ -396,7 +396,7 @@ abstract final class VideoHttp {
   static Future<LoadingState<UgcTriple>> ugcTriple({
     required String bvid,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.ugcTriple,
       data: {
         'aid': IdUtils.bv2av(bvid),
@@ -429,7 +429,7 @@ abstract final class VideoHttp {
     required String bvid,
     required bool type,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.likeVideo,
       data: {
         'aid': IdUtils.bv2av(bvid).toString(),
@@ -452,7 +452,7 @@ abstract final class VideoHttp {
     if (Accounts.main.accessKey.isNullOrEmpty) {
       return const Error('请退出账号后重新登录');
     }
-    var res = await Request().post(
+    final res = await Request().post(
       Api.dislikeVideo,
       data: {
         'aid': IdUtils.bv2av(bvid).toString(),
@@ -478,7 +478,7 @@ abstract final class VideoHttp {
       return const Error('请退出账号后重新登录');
     }
     assert((reasonId != null) ^ (feedbackId != null));
-    var res = await Request().get(
+    final res = await Request().get(
       Api.feedDislike,
       queryParameters: {
         'goto': goto,
@@ -506,7 +506,7 @@ abstract final class VideoHttp {
     if (Accounts.get(AccountType.recommend).accessKey.isNullOrEmpty) {
       return const Error('请退出账号后重新登录');
     }
-    var res = await Request().get(
+    final res = await Request().get(
       Api.feedDislikeCancel,
       queryParameters: {
         'goto': goto,
@@ -557,7 +557,7 @@ abstract final class VideoHttp {
       if (syncToDynamic) 'sync_to_dynamic': 1,
       'csrf': Accounts.main.csrf,
     };
-    var res = await Request().post(
+    final res = await Request().post(
       Api.replyAdd,
       data: data,
       options: Options(contentType: Headers.formUrlEncodedContentType),
@@ -574,7 +574,7 @@ abstract final class VideoHttp {
     required int oid,
     required int rpid,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.replyDel,
       data: {
         'type': type, //type.index
@@ -597,7 +597,7 @@ abstract final class VideoHttp {
     required int act,
     required int reSrc,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.relationMod,
       queryParameters: {
         'statistics': '{"appId":100,"platform":5}',
@@ -717,7 +717,7 @@ abstract final class VideoHttp {
 
   // 添加追番
   static Future<LoadingState<String>> pgcAdd({int? seasonId}) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.pgcAdd,
       data: {
         'season_id': seasonId,
@@ -734,7 +734,7 @@ abstract final class VideoHttp {
 
   // 取消追番
   static Future<LoadingState<String>> pgcDel({int? seasonId}) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.pgcDel,
       data: {
         'season_id': seasonId,
@@ -753,7 +753,7 @@ abstract final class VideoHttp {
     required String seasonId,
     required int status,
   }) async {
-    var res = await Request().post(
+    final res = await Request().post(
       Api.pgcUpdate,
       data: {
         'season_id': seasonId,
@@ -778,7 +778,7 @@ abstract final class VideoHttp {
     required int cid,
   }) async {
     assert(aid != null || bvid != null);
-    var res = await Request().get(
+    final res = await Request().get(
       Api.onlineTotal,
       queryParameters: {
         'aid': aid,
@@ -803,7 +803,7 @@ abstract final class VideoHttp {
       'cid': cid,
       'up_mid': ?upMid,
     });
-    var res = await Request().get(Api.aiConclusion, queryParameters: params);
+    final res = await Request().get(Api.aiConclusion, queryParameters: params);
     final int? code = res.data['code'];
     if (code == 0) {
       final int? dataCode = res.data['data']?['code'];
@@ -825,7 +825,7 @@ abstract final class VideoHttp {
     dynamic epId,
   }) async {
     assert(aid != null || bvid != null);
-    var res = await Request().get(
+    final res = await Request().get(
       Api.playInfo,
       queryParameters: await WbiSign.makSign({
         'aid': ?aid,
@@ -866,7 +866,7 @@ abstract final class VideoHttp {
   }
 
   static Future<String?> vttSubtitles(String subtitleUrl) async {
-    var res = await Request().get("https:$subtitleUrl");
+    final res = await Request().get("https:$subtitleUrl");
     if (res.data?['body'] case List list) {
       return compute<List, String>(processList, list);
     }
@@ -894,7 +894,7 @@ abstract final class VideoHttp {
   static Future<LoadingState<List<HotVideoItemModel>>> getRankVideoList(
     int rid,
   ) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.getRankApi,
       queryParameters: await WbiSign.makSign({
         'rid': rid,
@@ -903,12 +903,12 @@ abstract final class VideoHttp {
     );
     if (res.data['code'] == 0) {
       List<HotVideoItemModel> list = <HotVideoItemModel>[];
-      for (var i in res.data['data']['list']) {
+      for (final i in res.data['data']['list']) {
         if (_canAddRank(i)) {
           list.add(HotVideoItemModel.fromJson(i));
           // final List? others = i['others'];
           // if (others != null && others.isNotEmpty) {
-          //   for (var j in others) {
+          //   for (final j in others) {
           //     if (_canAddRank(j)) {
           //       list.add(HotVideoItemModel.fromJson(j));
           //     }
@@ -927,7 +927,7 @@ abstract final class VideoHttp {
     int day = 3,
     required int seasonType,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.pgcRank,
       queryParameters: await WbiSign.makSign({
         'day': day,
@@ -950,7 +950,7 @@ abstract final class VideoHttp {
     int day = 3,
     required int seasonType,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.pgcSeasonRank,
       queryParameters: await WbiSign.makSign({
         'day': day,
@@ -973,7 +973,7 @@ abstract final class VideoHttp {
     dynamic uperMid,
     required int page,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.archiveNoteList,
       queryParameters: {
         'csrf': Accounts.main.csrf,
@@ -993,7 +993,7 @@ abstract final class VideoHttp {
 
   static Future<LoadingState<List<PopularSeriesListItem>?>>
   popularSeriesList() async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.popularSeriesList,
       queryParameters: await WbiSign.makSign({
         'web_location': 333.934,
@@ -1015,7 +1015,7 @@ abstract final class VideoHttp {
   static Future<LoadingState<PopularSeriesOneData>> popularSeriesOne({
     required int number,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.popularSeriesOne,
       queryParameters: await WbiSign.makSign({
         'number': number,
@@ -1032,7 +1032,7 @@ abstract final class VideoHttp {
   static Future<LoadingState<PopularPreciousData>> popularPrecious({
     required int page,
   }) async {
-    var res = await Request().get(
+    final res = await Request().get(
       Api.popularPrecious,
       queryParameters: await WbiSign.makSign({
         'page_size': 100,
diff --git a/lib/models/common/member/tab_type.dart b/lib/models/common/member/tab_type.dart
index beca12648..7cb96a4fd 100644
--- a/lib/models/common/member/tab_type.dart
+++ b/lib/models/common/member/tab_type.dart
@@ -17,7 +17,7 @@ enum MemberTabType {
     if (type == shop.name && !showMemberShop) {
       return false;
     }
-    for (var e in MemberTabType.values) {
+    for (final e in MemberTabType.values) {
       if (e.name == type) {
         return true;
       }
diff --git a/lib/models/common/video/audio_quality.dart b/lib/models/common/video/audio_quality.dart
index 5ced8c6ea..de65cbb4e 100644
--- a/lib/models/common/video/audio_quality.dart
+++ b/lib/models/common/video/audio_quality.dart
@@ -14,7 +14,7 @@ enum AudioQuality {
 
   const AudioQuality(this.code, this.desc);
 
-  static final _codeMap = {for (var i in values) i.code: i};
+  static final _codeMap = {for (final i in values) i.code: i};
 
   static AudioQuality fromCode(int code) => _codeMap[code]!;
 }
diff --git a/lib/models/common/video/live_quality.dart b/lib/models/common/video/live_quality.dart
index 6065c8e71..bdcbfdef9 100644
--- a/lib/models/common/video/live_quality.dart
+++ b/lib/models/common/video/live_quality.dart
@@ -15,7 +15,7 @@ enum LiveQuality {
   const LiveQuality(this.code, this.desc);
 
   static LiveQuality? fromCode(int? code) {
-    for (var e in LiveQuality.values) {
+    for (final e in LiveQuality.values) {
       if (e.code == code) {
         return e;
       }
diff --git a/lib/models/common/video/video_quality.dart b/lib/models/common/video/video_quality.dart
index 4a09062b6..bd91f362e 100644
--- a/lib/models/common/video/video_quality.dart
+++ b/lib/models/common/video/video_quality.dart
@@ -20,7 +20,7 @@ enum VideoQuality {
 
   const VideoQuality(this.code, this.desc, this.shortDesc);
 
-  static final _codeMap = {for (var i in values) i.code: i};
+  static final _codeMap = {for (final i in values) i.code: i};
 
   static VideoQuality fromCode(int code) => _codeMap[code]!;
 }
diff --git a/lib/models/dynamics/result.dart b/lib/models/dynamics/result.dart
index e4d4ab2bc..33bc2c2a2 100644
--- a/lib/models/dynamics/result.dart
+++ b/lib/models/dynamics/result.dart
@@ -57,7 +57,7 @@ class DynamicsDataModel {
       items = <DynamicItemModel>[];
       late final filterBan =
           type != DynamicsTabType.up && tempBannedList?.isNotEmpty == true;
-      for (var e in list) {
+      for (final e in list) {
         DynamicItemModel item = DynamicItemModel.fromJson(e);
         if (antiGoodsDyn &&
             (item.orig?.modules.moduleDynamic?.additional?.type ==
diff --git a/lib/models/home/rcmd/result.dart b/lib/models/home/rcmd/result.dart
index be2205806..5788c13ae 100644
--- a/lib/models/home/rcmd/result.dart
+++ b/lib/models/home/rcmd/result.dart
@@ -73,7 +73,7 @@ class ThreePoint {
   // int? watchLater;
 
   ThreePoint.fromJson(List json) {
-    for (var elem in json) {
+    for (final elem in json) {
       switch (elem['type']) {
         // case 'watch_later':
         //   watchLater = 1;
diff --git a/lib/models/user/danmaku_block.dart b/lib/models/user/danmaku_block.dart
index 87ffa1398..79c3f589a 100644
--- a/lib/models/user/danmaku_block.dart
+++ b/lib/models/user/danmaku_block.dart
@@ -11,7 +11,7 @@ class DanmakuBlockDataModel {
     rule1 = <SimpleRule>[];
     rule2 = <SimpleRule>[];
     if (json['rule'] case List list) {
-      for (var e in list) {
+      for (final e in list) {
         SimpleRule item = SimpleRule.fromJson(e);
         switch (item.type) {
           case 0:
diff --git a/lib/models_new/download/bili_download_entry_info.dart b/lib/models_new/download/bili_download_entry_info.dart
index 1181a0820..77e63250a 100644
--- a/lib/models_new/download/bili_download_entry_info.dart
+++ b/lib/models_new/download/bili_download_entry_info.dart
@@ -45,8 +45,8 @@ class BiliDownloadEntryInfo with MultiSelectData {
   int get sortKey => ep?.sortIndex ?? pageData!.cid;
 
   String get showTitle {
-    if (pageData case final pageData?) {
-      return pageData.part?.isNotEmpty == true ? pageData.part! : title;
+    if (pageData case PageInfo(:final part)) {
+      return part != null && part.isNotEmpty ? part : title;
     }
     if (ep case final ep?) {
       return ep.showTitle ?? '${ep.index} ${ep.indexTitle}';
diff --git a/lib/models_new/live/live_feed_index/data.dart b/lib/models_new/live/live_feed_index/data.dart
index c7c455359..317a3c9a6 100644
--- a/lib/models_new/live/live_feed_index/data.dart
+++ b/lib/models_new/live/live_feed_index/data.dart
@@ -17,7 +17,7 @@ class LiveIndexData {
       // my_idol_v1
       // area_entrance_v3
       // small_card_v1
-      for (var json in json['card_list']) {
+      for (final json in json['card_list']) {
         switch (json['card_type']) {
           case 'my_idol_v1':
             followItem = LiveCardList.fromJson(json);
diff --git a/lib/pages/article/widgets/opus_content.dart b/lib/pages/article/widgets/opus_content.dart
index f63da479d..a09655c58 100644
--- a/lib/pages/article/widgets/opus_content.dart
+++ b/lib/pages/article/widgets/opus_content.dart
@@ -278,16 +278,18 @@ class OpusContent extends StatelessWidget {
                               surfaceLuminance: getSurfaceLuminance,
                             );
                           }
-                          if (item.rich case final rich?) {
-                            final hasUrl = rich.jumpUrl?.isNotEmpty == true;
+                          if (item.rich case Rich(
+                            :final text,
+                            :final jumpUrl,
+                          )) {
+                            final hasUrl =
+                                jumpUrl != null && jumpUrl.isNotEmpty;
                             return TextSpan(
-                              text: '${hasUrl ? '\u{1F517}' : ''}${rich.text}',
+                              text: '${hasUrl ? '\u{1F517}' : ''}$text',
                               recognizer: hasUrl
                                   ? (TapGestureRecognizer()
                                       ..onTap = () =>
-                                          PiliScheme.routePushFromUrl(
-                                            rich.jumpUrl!,
-                                          ))
+                                          PiliScheme.routePushFromUrl(jumpUrl))
                                   : null,
                               style: hasUrl
                                   ? TextStyle(color: colorScheme.primary)
diff --git a/lib/pages/article_list/view.dart b/lib/pages/article_list/view.dart
index 80c4bdff7..a9d19affd 100644
--- a/lib/pages/article_list/view.dart
+++ b/lib/pages/article_list/view.dart
@@ -72,7 +72,7 @@ class _ArticleListPageState extends State<ArticleListPage> with GridMixin {
   ) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -81,7 +81,7 @@ class _ArticleListPageState extends State<ArticleListPage> with GridMixin {
                 itemCount: response.length,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/audio/controller.dart b/lib/pages/audio/controller.dart
index 46f2ea0ef..c8b77d04a 100644
--- a/lib/pages/audio/controller.dart
+++ b/lib/pages/audio/controller.dart
@@ -520,10 +520,13 @@ class AudioController extends GetxController
                   ),
                   onTap: () {
                     Get.back();
-                    if (audioItem.value case final audioItem?) {
+                    if (audioItem.value case DetailItem(
+                      :final arc,
+                      :final owner,
+                    )) {
                       Utils.shareText(
-                        '${audioItem.arc.title} '
-                        'UP主: ${audioItem.owner.name}'
+                        '${arc.title} '
+                        'UP主: ${owner.name}'
                         ' - $audioUrl',
                       );
                     }
@@ -537,7 +540,10 @@ class AudioController extends GetxController
                 ),
                 onTap: () {
                   Get.back();
-                  if (audioItem.value case final audioItem?) {
+                  if (audioItem.value case DetailItem(
+                    :final arc,
+                    :final owner,
+                  )) {
                     showModalBottomSheet(
                       context: context,
                       isScrollControlled: true,
@@ -545,9 +551,9 @@ class AudioController extends GetxController
                       builder: (context) => RepostPanel(
                         rid: oid.toInt(),
                         dynType: isVideo ? 8 : 256,
-                        pic: audioItem.arc.cover,
-                        title: audioItem.arc.title,
-                        uname: audioItem.owner.name,
+                        pic: arc.cover,
+                        title: arc.title,
+                        uname: owner.name,
                       ),
                     );
                   }
@@ -562,18 +568,21 @@ class AudioController extends GetxController
                   ),
                   onTap: () {
                     Get.back();
-                    if (audioItem.value case final audioItem?) {
+                    if (audioItem.value case DetailItem(
+                      :final arc,
+                      :final owner,
+                    )) {
                       try {
                         PageUtils.pmShare(
                           context,
                           content: {
                             "id": oid.toString(),
-                            "title": audioItem.arc.title,
-                            "headline": audioItem.arc.title,
+                            "title": arc.title,
+                            "headline": arc.title,
                             "source": 5,
-                            "thumb": audioItem.arc.cover,
-                            "author": audioItem.owner.name,
-                            "author_id": audioItem.owner.mid.toString(),
+                            "thumb": arc.cover,
+                            "author": owner.name,
+                            "author_id": owner.mid.toString(),
                           },
                         );
                       } catch (e) {
@@ -612,8 +621,7 @@ class AudioController extends GetxController
 
   bool playNext({bool nextPart = false}) {
     if (nextPart) {
-      if (audioItem.value case final audioItem?) {
-        final parts = audioItem.parts;
+      if (audioItem.value case DetailItem(:final parts)) {
         if (parts.length > 1) {
           final subId = this.subId.firstOrNull;
           final nextIndex = parts.indexWhere((e) => e.subId == subId) + 1;
diff --git a/lib/pages/audio/view.dart b/lib/pages/audio/view.dart
index 7052a0a32..7c6a7ae7a 100644
--- a/lib/pages/audio/view.dart
+++ b/lib/pages/audio/view.dart
@@ -266,9 +266,7 @@ class _AudioPageState extends State<AudioPage> {
                                                     _controller.index!) {
                                                   _controller.index -= 1;
                                                 }
-                                                _controller.playlist!.removeAt(
-                                                  index,
-                                                );
+                                                playlist.removeAt(index);
                                                 (context as Element)
                                                     .markNeedsBuild();
                                               },
@@ -379,9 +377,7 @@ class _AudioPageState extends State<AudioPage> {
                                               if (index < _controller.index!) {
                                                 _controller.index -= 1;
                                               }
-                                              _controller.playlist!.removeAt(
-                                                index,
-                                              );
+                                              playlist.removeAt(index);
                                               (context as Element)
                                                   .markNeedsBuild();
                                             },
diff --git a/lib/pages/blacklist/controller.dart b/lib/pages/blacklist/controller.dart
index 15025cef9..9884e20c2 100644
--- a/lib/pages/blacklist/controller.dart
+++ b/lib/pages/blacklist/controller.dart
@@ -37,7 +37,7 @@ class BlackListController
       context: context,
       title: '确定将 $name 移出黑名单？',
       onConfirm: () async {
-        var result = await VideoHttp.relationMod(mid: mid, act: 6, reSrc: 11);
+        final result = await VideoHttp.relationMod(mid: mid, act: 6, reSrc: 11);
         if (result.isSuccess) {
           loadingState
             ..value.data!.removeAt(index)
diff --git a/lib/pages/blacklist/view.dart b/lib/pages/blacklist/view.dart
index 174f285bd..25aff80b2 100644
--- a/lib/pages/blacklist/view.dart
+++ b/lib/pages/blacklist/view.dart
@@ -74,7 +74,7 @@ class _BlackListPageState extends State<BlackListPage> {
         itemCount: 12,
         itemBuilder: (context, index) => const MsgFeedTopSkeleton(),
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.builder(
                 itemCount: response.length,
@@ -118,7 +118,7 @@ class _BlackListPageState extends State<BlackListPage> {
                 },
               )
             : HttpError(onReload: _blackListController.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _blackListController.onReload,
       ),
diff --git a/lib/pages/common/common_intro_controller.dart b/lib/pages/common/common_intro_controller.dart
index 9ffa86390..f874235de 100644
--- a/lib/pages/common/common_intro_controller.dart
+++ b/lib/pages/common/common_intro_controller.dart
@@ -103,7 +103,7 @@ abstract class CommonIntroController extends GetxController
     if (!isShowOnlineTotal) {
       return;
     }
-    var result = await VideoHttp.onlineTotal(
+    final result = await VideoHttp.onlineTotal(
       aid: IdUtils.bv2av(bvid),
       bvid: bvid,
       cid: cid.value,
@@ -124,7 +124,7 @@ abstract class CommonIntroController extends GetxController
     if (stat == null) {
       return;
     }
-    var res = await VideoHttp.coinVideo(
+    final res = await VideoHttp.coinVideo(
       bvid: bvid,
       multiply: coin,
       selectLike: selectLike ? 1 : 0,
@@ -149,7 +149,7 @@ abstract class CommonIntroController extends GetxController
   }
 
   Future<void> viewLater() async {
-    var res = await (hasLater.value
+    final res = await (hasLater.value
         ? UserHttp.toViewDel(aids: IdUtils.bv2av(bvid).toString())
         : UserHttp.toViewLater(bvid: bvid));
     if (res['status']) hasLater.value = !hasLater.value;
@@ -230,7 +230,7 @@ mixin FavMixin on TripleMixin {
       queryVideoInFolder().then((res) async {
         if (res.isSuccess) {
           final hasFav = this.hasFav.value;
-          var result = hasFav
+          final result = hasFav
               ? await FavHttp.unfavAll(rid: rid, type: type)
               : await FavHttp.favVideo(
                   resources: '$rid:$type',
@@ -254,7 +254,7 @@ mixin FavMixin on TripleMixin {
     List<int?> addMediaIdsNew = [];
     List<int?> delMediaIdsNew = [];
     try {
-      for (var i in favFolderData.value.list!) {
+      for (final i in favFolderData.value.list!) {
         bool isFaved = favIds?.contains(i.id) == true;
         if (i.favState == 1) {
           if (!isFaved) {
@@ -270,7 +270,7 @@ mixin FavMixin on TripleMixin {
       if (kDebugMode) debugPrint(e.toString());
     }
     SmartDialog.showLoading(msg: '请求中');
-    var result = await FavHttp.favVideo(
+    final result = await FavHttp.favVideo(
       resources: '$rid:$type',
       addIds: addMediaIdsNew.join(','),
       delIds: delMediaIdsNew.join(','),
diff --git a/lib/pages/common/common_whisper_controller.dart b/lib/pages/common/common_whisper_controller.dart
index 2365d7d94..6b5139bae 100644
--- a/lib/pages/common/common_whisper_controller.dart
+++ b/lib/pages/common/common_whisper_controller.dart
@@ -13,7 +13,7 @@ abstract class CommonWhisperController<R>
   SessionPageType get sessionPageType;
 
   Future<void> onRemove(int index, int talkerId) async {
-    var res = await MsgHttp.removeMsg(talkerId);
+    final res = await MsgHttp.removeMsg(talkerId);
     if (res.isSuccess) {
       loadingState
         ..value.data!.removeAt(index)
@@ -30,7 +30,7 @@ abstract class CommonWhisperController<R>
     bool isTop,
     SessionId sessionId,
   ) async {
-    var res = isTop
+    final res = isTop
         ? await ImGrpc.unpinSession(sessionId: sessionId)
         : await ImGrpc.pinSession(sessionId: sessionId);
 
@@ -48,7 +48,7 @@ abstract class CommonWhisperController<R>
   }
 
   Future<void> onSetMute(Session item, bool isMuted, Int64 talkerUid) async {
-    var res = await MsgHttp.setMsgDnd(
+    final res = await MsgHttp.setMsgDnd(
       uid: Accounts.main.mid,
       setting: isMuted ? 0 : 1,
       dndUid: talkerUid,
@@ -68,7 +68,7 @@ abstract class CommonWhisperController<R>
       if (loadingState.value.isSuccess) {
         List<Session>? list = loadingState.value.data;
         if (list != null && list.isNotEmpty) {
-          for (var item in list) {
+          for (final item in list) {
             if (item.hasUnread()) {
               item.clearUnread();
             }
@@ -83,7 +83,7 @@ abstract class CommonWhisperController<R>
   }
 
   Future<void> onDeleteList() async {
-    var res = await ImGrpc.deleteSessionList(pageType: sessionPageType);
+    final res = await ImGrpc.deleteSessionList(pageType: sessionPageType);
     if (res.isSuccess) {
       loadingState.value = const Success(null);
     } else {
diff --git a/lib/pages/common/dyn/common_dyn_page.dart b/lib/pages/common/dyn/common_dyn_page.dart
index 990b78af6..0c7d2d13f 100644
--- a/lib/pages/common/dyn/common_dyn_page.dart
+++ b/lib/pages/common/dyn/common_dyn_page.dart
@@ -157,7 +157,7 @@ abstract class CommonDynPageState<T extends StatefulWidget> extends State<T>
         itemCount: 12,
         itemBuilder: (context, index) => const VideoReplySkeleton(),
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.builder(
                 itemCount: response.length + 1,
@@ -206,7 +206,7 @@ abstract class CommonDynPageState<T extends StatefulWidget> extends State<T>
                 errMsg: '还没有评论',
                 onReload: controller.onReload,
               ),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: controller.onReload,
       ),
diff --git a/lib/pages/common/multi_select/base.dart b/lib/pages/common/multi_select/base.dart
index f3d812ece..8a096856c 100644
--- a/lib/pages/common/multi_select/base.dart
+++ b/lib/pages/common/multi_select/base.dart
@@ -32,7 +32,7 @@ mixin BaseMultiSelectMixin<T extends MultiSelectData>
 
   @override
   void handleSelect({bool checked = false, bool disableSelect = true}) {
-    for (var item in list) {
+    for (final item in list) {
       item.checked = checked;
     }
     state.refresh();
@@ -94,7 +94,7 @@ mixin CommonMultiSelectMixin<T extends MultiSelectData>
     if (loadingState.value.isSuccess) {
       final list = loadingState.value.data;
       if (list != null && list.isNotEmpty) {
-        for (var item in list) {
+        for (final item in list) {
           item.checked = checked;
         }
         loadingState.refresh();
diff --git a/lib/pages/common/publish/common_rich_text_pub_page.dart b/lib/pages/common/publish/common_rich_text_pub_page.dart
index ebdf479d3..877368bcd 100644
--- a/lib/pages/common/publish/common_rich_text_pub_page.dart
+++ b/lib/pages/common/publish/common_rich_text_pub_page.dart
@@ -63,7 +63,7 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
   @override
   void dispose() {
     if (PlatformUtils.isMobile) {
-      for (var i in pathList) {
+      for (final i in pathList) {
         File(i).tryDel();
       }
     }
@@ -230,7 +230,7 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
   List<Map<String, dynamic>>? getRichContent() {
     if (editController.items.isEmpty) return null;
     final list = <Map<String, dynamic>>[];
-    for (var e in editController.items) {
+    for (final e in editController.items) {
       switch (e.type) {
         case RichTextType.text || RichTextType.composing || RichTextType.common:
           list.add({
@@ -279,7 +279,7 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
       if (res is MentionItem) {
         _onInsertUser(res, fromClick);
       } else if (res is Set<MentionItem>) {
-        for (var e in res) {
+        for (final e in res) {
           e.checked = false;
           _onInsertUser(e, fromClick);
         }
@@ -313,7 +313,7 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
 
     enablePublish.value = true;
 
-    var oldValue = editController.value;
+    final oldValue = editController.value;
     final selection = oldValue.selection;
 
     if (selection.isValid) {
diff --git a/lib/pages/common/search/common_search_page.dart b/lib/pages/common/search/common_search_page.dart
index 946e994fe..74a9fa7ae 100644
--- a/lib/pages/common/search/common_search_page.dart
+++ b/lib/pages/common/search/common_search_page.dart
@@ -17,7 +17,7 @@ abstract class CommonSearchPageState<S extends StatefulWidget, R, T>
 
   @override
   Widget build(BuildContext context) {
-    if (controller case MultiSelectBase multiCtr) {
+    if (controller case final MultiSelectBase multiCtr) {
       return Obx(() {
         final enableMultiSelect = multiCtr.enableMultiSelect.value;
         return PopScope(
@@ -95,11 +95,11 @@ abstract class CommonSearchPageState<S extends StatefulWidget, R, T>
   Widget _buildBody(LoadingState<List<T>?> loadingState) {
     return switch (loadingState) {
       Loading() => const HttpError(),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? buildList(response)
             : HttpError(onReload: controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: controller.onReload,
       ),
diff --git a/lib/pages/download/controller.dart b/lib/pages/download/controller.dart
index 3871f4e11..96808fa9a 100644
--- a/lib/pages/download/controller.dart
+++ b/lib/pages/download/controller.dart
@@ -80,7 +80,7 @@ class DownloadPageController extends GetxController
       onConfirm: () async {
         SmartDialog.showLoading();
         final watchProgress = GStorage.watchProgress;
-        for (var page in allChecked) {
+        for (final page in allChecked) {
           await watchProgress.deleteAll(
             page.entries.map((e) => e.cid.toString()),
           );
diff --git a/lib/pages/download/detail/view.dart b/lib/pages/download/detail/view.dart
index 329dae9f7..d8548e5e2 100644
--- a/lib/pages/download/detail/view.dart
+++ b/lib/pages/download/detail/view.dart
@@ -206,7 +206,7 @@ class _DownloadDetailPageState extends State<DownloadDetailPage>
         if (isDeleteAll) {
           await _closeSub();
         }
-        for (var entry in allChecked) {
+        for (final entry in allChecked) {
           await watchProgress.deleteAll(
             allChecked.map((e) => e.cid.toString()),
           );
diff --git a/lib/pages/download/downloading/view.dart b/lib/pages/download/downloading/view.dart
index ce9ab1071..e84255b09 100644
--- a/lib/pages/download/downloading/view.dart
+++ b/lib/pages/download/downloading/view.dart
@@ -115,7 +115,7 @@ class _DownloadingPageState extends State<DownloadingPage>
         final isDownloading =
             _downloadService.curDownload.value?.status ==
             DownloadStatus.downloading;
-        for (var entry in allChecked) {
+        for (final entry in allChecked) {
           await _downloadService.deleteDownload(
             entry: entry,
             refresh: false,
diff --git a/lib/pages/download/search/controller.dart b/lib/pages/download/search/controller.dart
index 4c023d319..d15697d3a 100644
--- a/lib/pages/download/search/controller.dart
+++ b/lib/pages/download/search/controller.dart
@@ -56,7 +56,7 @@ class DownloadSearchController
       onConfirm: () async {
         SmartDialog.showLoading();
         final allChecked = this.allChecked.toSet();
-        for (var entry in allChecked) {
+        for (final entry in allChecked) {
           await GStorage.watchProgress.delete(entry.cid.toString());
           await _downloadService.deleteDownload(
             entry: entry,
diff --git a/lib/pages/download/view.dart b/lib/pages/download/view.dart
index 50462d7aa..349b6b968 100644
--- a/lib/pages/download/view.dart
+++ b/lib/pages/download/view.dart
@@ -68,7 +68,7 @@ class _DownloadPageState extends State<DownloadPage> {
                   final allChecked = _controller.allChecked.toSet();
                   _controller.handleSelect();
                   final list = <BiliDownloadEntryInfo>[];
-                  for (var page in allChecked) {
+                  for (final page in allChecked) {
                     list.addAll(page.entries);
                   }
                   final res = await Future.wait(
diff --git a/lib/pages/dynamics/widgets/additional_panel.dart b/lib/pages/dynamics/widgets/additional_panel.dart
index d991c4b00..7a7db9c0a 100644
--- a/lib/pages/dynamics/widgets/additional_panel.dart
+++ b/lib/pages/dynamics/widgets/additional_panel.dart
@@ -178,7 +178,7 @@ Widget addWidget(
                               : btn.disable == 1
                               ? null
                               : () async {
-                                  var res = await DynamicsHttp.dynReserve(
+                                  final res = await DynamicsHttp.dynReserve(
                                     reserveId: reserve.rid,
                                     curBtnStatus: btn.status,
                                     dynamicIdStr: idStr,
diff --git a/lib/pages/dynamics/widgets/author_panel.dart b/lib/pages/dynamics/widgets/author_panel.dart
index ff98fd688..34279011d 100644
--- a/lib/pages/dynamics/widgets/author_panel.dart
+++ b/lib/pages/dynamics/widgets/author_panel.dart
@@ -274,7 +274,7 @@ class AuthorPanel extends StatelessWidget {
                   onTap: () async {
                     Get.back();
                     try {
-                      var res = await UserHttp.toViewLater(bvid: bvid);
+                      final res = await UserHttp.toViewLater(bvid: bvid);
                       SmartDialog.showToast(res['msg']);
                     } catch (err) {
                       SmartDialog.showToast('出错了：${err.toString()}');
diff --git a/lib/pages/dynamics/widgets/dynamic_panel.dart b/lib/pages/dynamics/widgets/dynamic_panel.dart
index e0ac6e774..b02a886ff 100644
--- a/lib/pages/dynamics/widgets/dynamic_panel.dart
+++ b/lib/pages/dynamics/widgets/dynamic_panel.dart
@@ -89,11 +89,13 @@ class DynamicPanel extends StatelessWidget {
             ),
             const SizedBox(height: 2),
             if (!isDetail) ...[
-              if (item.modules.moduleInteraction case final moduleInteraction?)
-                if (moduleInteraction.items?.isNotEmpty == true)
+              if (item.modules.moduleInteraction case ModuleInteraction(
+                :final items,
+              ))
+                if (items != null && items.isNotEmpty)
                   dynInteraction(
                     theme: theme,
-                    items: moduleInteraction.items!,
+                    items: items,
                   ),
               ActionPanel(item: item),
               if (item.modules.moduleFold case final moduleFold?) ...[
diff --git a/lib/pages/dynamics/widgets/rich_node_panel.dart b/lib/pages/dynamics/widgets/rich_node_panel.dart
index f69bb780c..6953ebf4e 100644
--- a/lib/pages/dynamics/widgets/rich_node_panel.dart
+++ b/lib/pages/dynamics/widgets/rich_node_panel.dart
@@ -50,7 +50,7 @@ TextSpan? richNode(
     if (richTextNodes == null || richTextNodes.isEmpty) {
       return null;
     } else {
-      for (var i in richTextNodes) {
+      for (final i in richTextNodes) {
         switch (i.type) {
           case 'RICH_TEXT_NODE_TYPE_TEXT':
             spanChildren.add(
@@ -289,7 +289,7 @@ TextSpan? richNode(
 
                       DynamicsHttp.dynPic(i.rid).then((res) {
                         if (res.isSuccess) {
-                          var list = res.data;
+                          final list = res.data;
                           if (Platform.isAndroid) {
                             i.pics = list;
                           } else {
diff --git a/lib/pages/dynamics_create/view.dart b/lib/pages/dynamics_create/view.dart
index 30a3d5153..20626936b 100644
--- a/lib/pages/dynamics_create/view.dart
+++ b/lib/pages/dynamics_create/view.dart
@@ -708,7 +708,7 @@ class _CreateDynPanelState extends CommonRichTextPubPageState<CreateDynPanel> {
     List<Map<String, dynamic>>? extraContent = getRichContent();
     final hasRichText = extraContent != null;
     final reserveCard = _reserveCard.value;
-    var result = await DynamicsHttp.createDynamic(
+    final result = await DynamicsHttp.createDynamic(
       mid: Accounts.main.mid,
       rawText: hasRichText ? null : editController.text,
       pics: pictures,
@@ -736,7 +736,7 @@ class _CreateDynPanelState extends CommonRichTextPubPageState<CreateDynPanel> {
       hasPub = true;
       Get.back();
       SmartDialog.showToast('发布成功');
-      var id = result['data']?['dyn_id'];
+      final id = result['data']?['dyn_id'];
       RequestUtils.insertCreatedDyn(id);
       if (!_isPrivate.value) {
         RequestUtils.checkCreatedDyn(
diff --git a/lib/pages/dynamics_create_reserve/controller.dart b/lib/pages/dynamics_create_reserve/controller.dart
index fbd79aad6..2215d52d3 100644
--- a/lib/pages/dynamics_create_reserve/controller.dart
+++ b/lib/pages/dynamics_create_reserve/controller.dart
@@ -28,7 +28,7 @@ class CreateReserveController extends GetxController {
   }
 
   Future<void> queryData() async {
-    var res = await DynamicsHttp.reserveInfo(sid: sid);
+    final res = await DynamicsHttp.reserveInfo(sid: sid);
     if (res.isSuccess) {
       ReserveInfoData data = res.data;
       key = Utils.generateRandomString(6);
@@ -44,7 +44,7 @@ class CreateReserveController extends GetxController {
 
   Future<void> onCreate() async {
     final livePlanStartTime = date.value.millisecondsSinceEpoch ~/ 1000;
-    var res = sid == null
+    final res = sid == null
         ? await DynamicsHttp.createReserve(
             title: title.value,
             subType: subType.value,
diff --git a/lib/pages/dynamics_create_vote/controller.dart b/lib/pages/dynamics_create_vote/controller.dart
index 6015ceeb9..e5e6e5a62 100644
--- a/lib/pages/dynamics_create_vote/controller.dart
+++ b/lib/pages/dynamics_create_vote/controller.dart
@@ -55,7 +55,7 @@ class CreateVoteController extends GetxController {
   }
 
   Future<void> queryData() async {
-    var res = await DynamicsHttp.voteInfo(voteId);
+    final res = await DynamicsHttp.voteInfo(voteId);
     if (res.isSuccess) {
       key = Utils.generateRandomString(6);
       final VoteInfo data = res.data;
@@ -95,7 +95,7 @@ class CreateVoteController extends GetxController {
       votePublisher: Accounts.main.mid,
       voteId: voteId,
     );
-    var res = await (voteId == null
+    final res = await (voteId == null
         ? DynamicsHttp.createVote(voteInfo)
         : DynamicsHttp.updateVote(voteInfo));
     if (res.isSuccess) {
@@ -107,7 +107,7 @@ class CreateVoteController extends GetxController {
   }
 
   Future<void> onUpload(int index, String path) async {
-    var res = await MsgHttp.uploadBfs(
+    final res = await MsgHttp.uploadBfs(
       path: path,
       category: 'daily',
       biz: 'vote',
diff --git a/lib/pages/dynamics_detail/controller.dart b/lib/pages/dynamics_detail/controller.dart
index 1374d0c34..5b1bb96e7 100644
--- a/lib/pages/dynamics_detail/controller.dart
+++ b/lib/pages/dynamics_detail/controller.dart
@@ -21,8 +21,8 @@ class DynamicDetailController extends CommonDynController {
   void onInit() {
     super.onInit();
     dynItem = Get.arguments['item'];
-    var commentType = dynItem.basic?.commentType;
-    var commentIdStr = dynItem.basic?.commentIdStr;
+    final commentType = dynItem.basic?.commentType;
+    final commentIdStr = dynItem.basic?.commentIdStr;
     if (commentType != null &&
         commentType != 0 &&
         commentIdStr != null &&
diff --git a/lib/pages/dynamics_mention/view.dart b/lib/pages/dynamics_mention/view.dart
index ea0fff170..617a0fc1b 100644
--- a/lib/pages/dynamics_mention/view.dart
+++ b/lib/pages/dynamics_mention/view.dart
@@ -238,7 +238,7 @@ class _DynMentionPanelState
         padding: const EdgeInsets.only(top: 8),
         sliver: linearLoading,
       ),
-      Success<List<MentionGroup>?>(:var response) =>
+      Success<List<MentionGroup>?>(:final response) =>
         response != null && response.isNotEmpty
             ? SliverMainAxisGroup(
                 slivers: response.map((group) {
@@ -278,7 +278,7 @@ class _DynMentionPanelState
                 }).toList(),
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/dynamics_repost/view.dart b/lib/pages/dynamics_repost/view.dart
index d4d678d21..21c2d011c 100644
--- a/lib/pages/dynamics_repost/view.dart
+++ b/lib/pages/dynamics_repost/view.dart
@@ -417,7 +417,7 @@ class _RepostPanelState extends CommonRichTextPubPageState<RepostPanel> {
     if (hasRichText && repostContent != null) {
       richContent.addAll(repostContent);
     }
-    var result = await DynamicsHttp.createDynamic(
+    final result = await DynamicsHttp.createDynamic(
       mid: Accounts.main.mid,
       dynIdStr: widget.item?.idStr ?? widget.dynIdStr,
       rid: widget.rid,
@@ -431,7 +431,7 @@ class _RepostPanelState extends CommonRichTextPubPageState<RepostPanel> {
       Get.back();
       SmartDialog.showToast('转发成功');
       widget.onSuccess?.call();
-      var id = result['data']?['dyn_id'];
+      final id = result['data']?['dyn_id'];
       RequestUtils.insertCreatedDyn(id);
       RequestUtils.checkCreatedDyn(
         id: id,
diff --git a/lib/pages/dynamics_select_topic/view.dart b/lib/pages/dynamics_select_topic/view.dart
index a1c875ab7..7a7ed7c0d 100644
--- a/lib/pages/dynamics_select_topic/view.dart
+++ b/lib/pages/dynamics_select_topic/view.dart
@@ -189,7 +189,7 @@ class _SelectTopicPanelState
   ) {
     return switch (loadingState) {
       Loading() => loadingWidget,
-      Success<List<TopicItem>?>(:var response) =>
+      Success<List<TopicItem>?>(:final response) =>
         response != null && response.isNotEmpty
             ? ListView.builder(
                 padding: EdgeInsets.only(
@@ -208,7 +208,7 @@ class _SelectTopicPanelState
                 itemCount: response.length,
               )
             : _errWidget(),
-      Error(:var errMsg) => _errWidget(errMsg),
+      Error(:final errMsg) => _errWidget(errMsg),
     };
   }
 
diff --git a/lib/pages/dynamics_tab/controller.dart b/lib/pages/dynamics_tab/controller.dart
index 4ee38aaf1..e3f6d6b0a 100644
--- a/lib/pages/dynamics_tab/controller.dart
+++ b/lib/pages/dynamics_tab/controller.dart
@@ -52,7 +52,7 @@ class DynamicsTabController
       );
 
   Future<void> onRemove(int index, dynamic dynamicId) async {
-    var res = await MsgHttp.removeDynamic(dynIdStr: dynamicId);
+    final res = await MsgHttp.removeDynamic(dynIdStr: dynamicId);
     if (res.isSuccess) {
       loadingState
         ..value.data!.removeAt(index)
diff --git a/lib/pages/dynamics_tab/view.dart b/lib/pages/dynamics_tab/view.dart
index 23bec6ba1..6d56e96ba 100644
--- a/lib/pages/dynamics_tab/view.dart
+++ b/lib/pages/dynamics_tab/view.dart
@@ -115,7 +115,7 @@ class _DynamicsTabPageState
   Widget _buildBody(LoadingState<List<DynamicItemModel>?> loadingState) {
     return switch (loadingState) {
       Loading() => dynSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? GlobalData().dynamicsWaterfallFlow
                   ? SliverWaterfallFlow(
@@ -156,7 +156,7 @@ class _DynamicsTabPageState
                       itemCount: response.length,
                     )
             : HttpError(onReload: controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: controller.onReload,
       ),
diff --git a/lib/pages/dynamics_topic/controller.dart b/lib/pages/dynamics_topic/controller.dart
index 93d6fe488..cc78e317d 100644
--- a/lib/pages/dynamics_topic/controller.dart
+++ b/lib/pages/dynamics_topic/controller.dart
@@ -40,7 +40,7 @@ class DynTopicController
   Future<void> queryTop() async {
     topState.value = await DynamicsHttp.topicTop(topicId: topicId);
     if (topState.value.isSuccess) {
-      var topicItem = topState.value.data!.topicItem!;
+      final topicItem = topState.value.data!.topicItem!;
       topicName = topicItem.name;
       isFav.value = topicItem.isFav;
       isLike.value = topicItem.isLike;
@@ -97,7 +97,7 @@ class DynTopicController
       return;
     }
     bool isFav = this.isFav.value ?? false;
-    var res = isFav
+    final res = isFav
         ? await FavHttp.delFavTopic(topicId)
         : await FavHttp.addFavTopic(topicId);
     if (res.isSuccess) {
@@ -118,7 +118,7 @@ class DynTopicController
       return;
     }
     bool isLike = this.isLike.value ?? false;
-    var res = await FavHttp.likeTopic(topicId, isLike);
+    final res = await FavHttp.likeTopic(topicId, isLike);
     if (res.isSuccess) {
       if (isLike) {
         topState.value.data!.topicItem!.like -= 1;
diff --git a/lib/pages/dynamics_topic/view.dart b/lib/pages/dynamics_topic/view.dart
index bf15e0570..d2ae31b46 100644
--- a/lib/pages/dynamics_topic/view.dart
+++ b/lib/pages/dynamics_topic/view.dart
@@ -158,7 +158,7 @@ class _DynTopicPageState extends State<DynTopicPage> with DynMixin {
   ) {
     return switch (topState) {
       Loading() => const SliverAppBar(),
-      Success(:var response) when (topState.dataOrNull != null) =>
+      Success(:final response) when (topState.dataOrNull != null) =>
         DynamicSliverAppBarMedium(
           pinned: true,
           afterCalc: (value) =>
@@ -347,7 +347,7 @@ class _DynTopicPageState extends State<DynTopicPage> with DynMixin {
   Widget _buildBody(LoadingState<List<TopicCardItem>?> loadingState) {
     return switch (loadingState) {
       Loading() => dynSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? GlobalData().dynamicsWaterfallFlow
                   ? SliverWaterfallFlow(
@@ -389,7 +389,7 @@ class _DynTopicPageState extends State<DynTopicPage> with DynMixin {
                       itemCount: response.length,
                     )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/dynamics_topic_rcmd/view.dart b/lib/pages/dynamics_topic_rcmd/view.dart
index 88b8c1f42..f80c09806 100644
--- a/lib/pages/dynamics_topic_rcmd/view.dart
+++ b/lib/pages/dynamics_topic_rcmd/view.dart
@@ -41,7 +41,7 @@ class _DynTopicRcmdPageState extends State<DynTopicRcmdPage> {
   Widget _buildBody(LoadingState<List<TopicItem>?> loadingState) {
     return switch (loadingState) {
       Loading() => linearLoading,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.builder(
                 itemCount: response.length,
@@ -59,7 +59,7 @@ class _DynTopicRcmdPageState extends State<DynTopicRcmdPage> {
                 },
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/emote/view.dart b/lib/pages/emote/view.dart
index 8a391e8c1..cc848854f 100644
--- a/lib/pages/emote/view.dart
+++ b/lib/pages/emote/view.dart
@@ -51,7 +51,7 @@ class _EmotePanelState extends State<EmotePanel>
     );
     return switch (loadingState) {
       Loading() => loadingWidget,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? Column(
                 children: [
@@ -218,7 +218,7 @@ class _EmotePanelState extends State<EmotePanel>
                 ],
               )
             : _errorWidget(),
-      Error(:var errMsg) => _errorWidget(errMsg),
+      Error(:final errMsg) => _errorWidget(errMsg),
     };
   }
 
diff --git a/lib/pages/episode_panel/view.dart b/lib/pages/episode_panel/view.dart
index f3456f853..8a6bc6e33 100644
--- a/lib/pages/episode_panel/view.dart
+++ b/lib/pages/episode_panel/view.dart
@@ -180,7 +180,7 @@ class _EpisodePanelState extends State<EpisodePanel>
         VideoHttp.videoRelation(bvid: widget.bvid).then(
           (result) {
             if (!mounted) return;
-            if (result case Success(:var response)) {
+            if (result case Success(:final response)) {
               final seasonFav = response.seasonFav ?? false;
               _favState!.value = Success(seasonFav);
               widget.ugcIntroController?.seasonFavState[widget.seasonId] =
@@ -198,7 +198,7 @@ class _EpisodePanelState extends State<EpisodePanel>
       ..removeListener(listener)
       ..dispose();
     _favState?.close();
-    for (var e in _itemScrollController) {
+    for (final e in _itemScrollController) {
       e.dispose();
     }
     super.dispose();
@@ -586,14 +586,14 @@ class _EpisodePanelState extends State<EpisodePanel>
 
   Widget _buildFavBtn(LoadingState<bool> loadingState) {
     return switch (loadingState) {
-      Success(:var response) => iconButton(
+      Success(:final response) => iconButton(
         iconSize: 22,
         tooltip: response ? '取消订阅' : '订阅',
         icon: response
             ? const Icon(Icons.notifications_off_outlined)
             : const Icon(Icons.notifications_active_outlined),
         onPressed: () async {
-          var result = await FavHttp.seasonFav(
+          final result = await FavHttp.seasonFav(
             isFav: response,
             seasonId: widget.seasonId,
           );
diff --git a/lib/pages/fav/article/view.dart b/lib/pages/fav/article/view.dart
index 993cbebac..1bef59617 100644
--- a/lib/pages/fav/article/view.dart
+++ b/lib/pages/fav/article/view.dart
@@ -51,7 +51,7 @@ class _FavArticlePageState extends State<FavArticlePage>
   Widget _buildBody(LoadingState<List<FavArticleItemModel>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -73,7 +73,7 @@ class _FavArticlePageState extends State<FavArticlePage>
                 itemCount: response.length,
               )
             : HttpError(onReload: _favArticleController.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _favArticleController.onReload,
       ),
diff --git a/lib/pages/fav/cheese/controller.dart b/lib/pages/fav/cheese/controller.dart
index f3aa23552..e9bd90a19 100644
--- a/lib/pages/fav/cheese/controller.dart
+++ b/lib/pages/fav/cheese/controller.dart
@@ -27,7 +27,7 @@ class FavCheeseController
       FavHttp.favPugv(mid: mid, page: page);
 
   Future<void> onRemove(int index, int sid) async {
-    var res = await FavHttp.delFavPugv(sid);
+    final res = await FavHttp.delFavPugv(sid);
     if (res.isSuccess) {
       loadingState
         ..value.data!.removeAt(index)
diff --git a/lib/pages/fav/cheese/view.dart b/lib/pages/fav/cheese/view.dart
index d984ebf8d..c1a3e4fef 100644
--- a/lib/pages/fav/cheese/view.dart
+++ b/lib/pages/fav/cheese/view.dart
@@ -53,7 +53,7 @@ class _FavCheesePageState extends State<FavCheesePage>
   ) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -75,7 +75,7 @@ class _FavCheesePageState extends State<FavCheesePage>
                 itemCount: response.length,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/fav/note/child_view.dart b/lib/pages/fav/note/child_view.dart
index d664ac023..e509c7466 100644
--- a/lib/pages/fav/note/child_view.dart
+++ b/lib/pages/fav/note/child_view.dart
@@ -140,7 +140,7 @@ class _FavNoteChildPageState extends State<FavNoteChildPage>
   Widget _buildBody(LoadingState<List<FavNoteItemModel>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -158,7 +158,7 @@ class _FavNoteChildPageState extends State<FavNoteChildPage>
                 itemCount: response.length,
               )
             : HttpError(onReload: _favNoteController.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _favNoteController.onReload,
       ),
diff --git a/lib/pages/fav/pgc/child_view.dart b/lib/pages/fav/pgc/child_view.dart
index df89f6d1e..fa4db41bb 100644
--- a/lib/pages/fav/pgc/child_view.dart
+++ b/lib/pages/fav/pgc/child_view.dart
@@ -169,7 +169,7 @@ class _FavPgcChildPageState extends State<FavPgcChildPage>
         itemBuilder: (context, index) => const FavPgcItemSkeleton(),
         itemCount: 10,
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -206,7 +206,7 @@ class _FavPgcChildPageState extends State<FavPgcChildPage>
                 itemCount: response.length,
               )
             : HttpError(onReload: _favPgcController.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _favPgcController.onReload,
       ),
diff --git a/lib/pages/fav/pgc/controller.dart b/lib/pages/fav/pgc/controller.dart
index 9cc75ece6..21806283c 100644
--- a/lib/pages/fav/pgc/controller.dart
+++ b/lib/pages/fav/pgc/controller.dart
@@ -52,7 +52,7 @@ class FavPgcController
 
   // 取消追番
   Future<void> pgcDel(int index, seasonId) async {
-    var result = await VideoHttp.pgcDel(seasonId: seasonId);
+    final result = await VideoHttp.pgcDel(seasonId: seasonId);
     if (result case Success(:final response)) {
       loadingState
         ..value.data!.removeAt(index)
@@ -97,7 +97,7 @@ class FavPgcController
   }
 
   Future<void> onUpdate(int index, int followStatus, int? seasonId) async {
-    var result = await VideoHttp.pgcUpdate(
+    final result = await VideoHttp.pgcUpdate(
       seasonId: seasonId.toString(),
       status: followStatus,
     );
diff --git a/lib/pages/fav/topic/controller.dart b/lib/pages/fav/topic/controller.dart
index fb83f99a3..0d17da4e5 100644
--- a/lib/pages/fav/topic/controller.dart
+++ b/lib/pages/fav/topic/controller.dart
@@ -39,7 +39,7 @@ class FavTopicController
       FavHttp.favTopic(page: page);
 
   Future<void> onRemove(int index, int id) async {
-    var res = await FavHttp.delFavTopic(id);
+    final res = await FavHttp.delFavTopic(id);
     if (res.isSuccess) {
       loadingState
         ..value.data!.removeAt(index)
diff --git a/lib/pages/fav/topic/view.dart b/lib/pages/fav/topic/view.dart
index 062946573..0a35f2c33 100644
--- a/lib/pages/fav/topic/view.dart
+++ b/lib/pages/fav/topic/view.dart
@@ -71,7 +71,7 @@ class _FavTopicPageState extends State<FavTopicPage>
           ),
         ),
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -127,7 +127,7 @@ class _FavTopicPageState extends State<FavTopicPage>
                 itemCount: response.length,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/fav/video/view.dart b/lib/pages/fav/video/view.dart
index 3a7010e80..f37ff43ca 100644
--- a/lib/pages/fav/video/view.dart
+++ b/lib/pages/fav/video/view.dart
@@ -49,7 +49,7 @@ class _FavVideoPageState extends State<FavVideoPage>
   Widget _buildBody(LoadingState<List<FavFolderInfo>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -82,7 +82,7 @@ class _FavVideoPageState extends State<FavVideoPage>
                 itemCount: response.length,
               )
             : HttpError(onReload: _favController.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _favController.onReload,
       ),
diff --git a/lib/pages/fav_detail/controller.dart b/lib/pages/fav_detail/controller.dart
index d73db9f60..075343c65 100644
--- a/lib/pages/fav_detail/controller.dart
+++ b/lib/pages/fav_detail/controller.dart
@@ -32,7 +32,7 @@ mixin BaseFavController
   void onViewFav(FavDetailItemModel item, int? index);
 
   Future<void> onCancelFav(int index, int id, int type) async {
-    var result = await FavHttp.favVideo(
+    final result = await FavHttp.favVideo(
       resources: '$id:$type',
       delIds: mediaId.toString(),
     );
@@ -55,7 +55,7 @@ mixin BaseFavController
       title: '提示',
       onConfirm: () async {
         final removeList = allChecked.toSet();
-        var result = await FavHttp.favVideo(
+        final result = await FavHttp.favVideo(
           resources: removeList
               .map((item) => '${item.id}:${item.type}')
               .join(','),
@@ -176,7 +176,7 @@ class FavDetailController
       SmartDialog.showToast('账号未登录');
       return;
     }
-    var res = isFav
+    final res = isFav
         ? await FavHttp.unfavFavFolder(mediaId)
         : await FavHttp.favFavFolder(mediaId);
 
@@ -189,7 +189,7 @@ class FavDetailController
   }
 
   Future<void> cleanFav() async {
-    var res = await FavHttp.cleanFav(mediaId: mediaId);
+    final res = await FavHttp.cleanFav(mediaId: mediaId);
     if (res.isSuccess) {
       SmartDialog.showToast('清除成功');
       Future.delayed(const Duration(milliseconds: 200), onReload);
diff --git a/lib/pages/fav_detail/view.dart b/lib/pages/fav_detail/view.dart
index eceaa7f0f..79ca0498f 100644
--- a/lib/pages/fav_detail/view.dart
+++ b/lib/pages/fav_detail/view.dart
@@ -485,7 +485,7 @@ class _FavDetailPageState extends State<FavDetailPage> with GridMixin {
   ) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -514,7 +514,7 @@ class _FavDetailPageState extends State<FavDetailPage> with GridMixin {
                 itemCount: response.length + 1,
               )
             : HttpError(onReload: _favDetailController.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _favDetailController.onReload,
       ),
diff --git a/lib/pages/fav_folder_sort/view.dart b/lib/pages/fav_folder_sort/view.dart
index 2772ec549..093d4f44c 100644
--- a/lib/pages/fav_folder_sort/view.dart
+++ b/lib/pages/fav_folder_sort/view.dart
@@ -33,7 +33,7 @@ class _FavFolderSortPageState extends State<FavFolderSortPage> {
         actions: [
           TextButton(
             onPressed: () async {
-              var res = await FavHttp.sortFavFolder(
+              final res = await FavHttp.sortFavFolder(
                 sort: sortList.map((item) => item.id).join(','),
               );
               if (res.isSuccess) {
diff --git a/lib/pages/fav_panel/view.dart b/lib/pages/fav_panel/view.dart
index d2e2f4673..ea3b91e94 100644
--- a/lib/pages/fav_panel/view.dart
+++ b/lib/pages/fav_panel/view.dart
@@ -31,7 +31,7 @@ class _FavPanelState extends State<FavPanel> {
   }
 
   Future<void> _query() async {
-    var res = await widget.ctr.queryVideoInFolder();
+    final res = await widget.ctr.queryVideoInFolder();
     if (mounted) {
       loadingState = res;
       setState(() {});
@@ -85,7 +85,7 @@ class _FavPanelState extends State<FavPanel> {
           );
         },
       ),
-      Error(:var errMsg) => scrollErrorWidget(
+      Error(:final errMsg) => scrollErrorWidget(
         controller: widget.scrollController,
         errMsg: errMsg,
         onReload: _query,
diff --git a/lib/pages/fav_sort/view.dart b/lib/pages/fav_sort/view.dart
index 2614878ce..2506765fc 100644
--- a/lib/pages/fav_sort/view.dart
+++ b/lib/pages/fav_sort/view.dart
@@ -57,7 +57,7 @@ class _FavSortPageState extends State<FavSortPage> {
                 Get.back();
                 return;
               }
-              var res = await FavHttp.sortFav(
+              final res = await FavHttp.sortFav(
                 mediaId: _favDetailController.mediaId,
                 sort: sort.join(','),
               );
diff --git a/lib/pages/follow/child/child_view.dart b/lib/pages/follow/child/child_view.dart
index 22cffd4f7..0cf78b1b6 100644
--- a/lib/pages/follow/child/child_view.dart
+++ b/lib/pages/follow/child/child_view.dart
@@ -106,7 +106,7 @@ class _FollowChildPageState extends State<FollowChildPage>
         itemCount: 12,
         itemBuilder: (context, index) => const MsgFeedTopSkeleton(),
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.builder(
                 itemCount: response.length,
@@ -127,7 +127,7 @@ class _FollowChildPageState extends State<FollowChildPage>
                 },
               )
             : HttpError(onReload: _followController.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _followController.onReload,
       ),
@@ -139,7 +139,7 @@ class _FollowChildPageState extends State<FollowChildPage>
     LoadingState<List<FollowItemModel>?> state,
   ) {
     return switch (state) {
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverMainAxisGroup(
                 slivers: [
diff --git a/lib/pages/follow/controller.dart b/lib/pages/follow/controller.dart
index 4a2a18505..5bd61d984 100644
--- a/lib/pages/follow/controller.dart
+++ b/lib/pages/follow/controller.dart
@@ -40,7 +40,7 @@ class FollowController extends GetxController with GetTickerProviderStateMixin {
   }
 
   Future<void> queryFollowUpTags() async {
-    var res = await MemberHttp.followUpTags();
+    final res = await MemberHttp.followUpTags();
     if (res.isSuccess) {
       tabs
         ..assign(MemberTagItemModel(name: '全部关注'))
diff --git a/lib/pages/follow_type/view.dart b/lib/pages/follow_type/view.dart
index b281d7aad..1fa199ae6 100644
--- a/lib/pages/follow_type/view.dart
+++ b/lib/pages/follow_type/view.dart
@@ -54,7 +54,7 @@ abstract class FollowTypePageState<T extends StatefulWidget> extends State<T> {
         itemBuilder: (context, index) => const MsgFeedTopSkeleton(),
         itemCount: 16,
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -67,7 +67,7 @@ abstract class FollowTypePageState<T extends StatefulWidget> extends State<T> {
                 itemCount: response.length,
               )
             : HttpError(onReload: controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: controller.onReload,
       ),
diff --git a/lib/pages/group_panel/view.dart b/lib/pages/group_panel/view.dart
index 832d30a17..69173e8a6 100644
--- a/lib/pages/group_panel/view.dart
+++ b/lib/pages/group_panel/view.dart
@@ -69,7 +69,7 @@ class _GroupPanelState extends State<GroupPanel> {
   Widget get _buildBody {
     return switch (loadingState) {
       Loading() => loadingWidget,
-      Success(:var response) => ListView.builder(
+      Success(:final response) => ListView.builder(
         controller: widget.scrollController,
         itemCount: response.length,
         itemBuilder: (context, index) {
@@ -113,7 +113,7 @@ class _GroupPanelState extends State<GroupPanel> {
           );
         },
       ),
-      Error(:var errMsg) => scrollErrorWidget(
+      Error(:final errMsg) => scrollErrorWidget(
         controller: widget.scrollController,
         errMsg: errMsg,
         onReload: _query,
diff --git a/lib/pages/history/base_controller.dart b/lib/pages/history/base_controller.dart
index 02ca8de4d..e44f2ca37 100644
--- a/lib/pages/history/base_controller.dart
+++ b/lib/pages/history/base_controller.dart
@@ -34,7 +34,7 @@ class HistoryBaseController extends GetxController {
               onPressed: () async {
                 Get.back();
                 SmartDialog.showLoading(msg: '请求中');
-                var res = await UserHttp.clearHistory(account: account);
+                final res = await UserHttp.clearHistory(account: account);
                 SmartDialog.dismiss();
                 if (res.isSuccess) {
                   SmartDialog.showToast('清空观看历史');
@@ -71,7 +71,7 @@ class HistoryBaseController extends GetxController {
             TextButton(
               onPressed: () async {
                 SmartDialog.showLoading(msg: '请求中');
-                var res = await UserHttp.pauseHistory(
+                final res = await UserHttp.pauseHistory(
                   pauseStatus,
                   account: account,
                 );
diff --git a/lib/pages/history/controller.dart b/lib/pages/history/controller.dart
index 474bd4e3e..4a76eece6 100644
--- a/lib/pages/history/controller.dart
+++ b/lib/pages/history/controller.dart
@@ -78,7 +78,7 @@ class HistoryController
 
   // 观看历史暂停状态
   Future<void> historyStatus() async {
-    var res = await UserHttp.historyStatus(account: account);
+    final res = await UserHttp.historyStatus(account: account);
     if (res case Success(:final response)) {
       baseCtr.pauseStatus.value = response;
       GStorage.localCache.put(LocalCacheKey.historyPause, response);
diff --git a/lib/pages/history/view.dart b/lib/pages/history/view.dart
index 334ffa058..7f75f24f8 100644
--- a/lib/pages/history/view.dart
+++ b/lib/pages/history/view.dart
@@ -217,7 +217,7 @@ class _HistoryPageState extends State<HistoryPage>
   Widget _buildBody(LoadingState<List<HistoryItemModel>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -236,7 +236,7 @@ class _HistoryPageState extends State<HistoryPage>
                 itemCount: response.length,
               )
             : HttpError(onReload: _historyController.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _historyController.onReload,
       ),
diff --git a/lib/pages/history/widgets/item.dart b/lib/pages/history/widgets/item.dart
index 95953247d..b39c0daae 100644
--- a/lib/pages/history/widgets/item.dart
+++ b/lib/pages/history/widgets/item.dart
@@ -220,7 +220,7 @@ class HistoryItem extends StatelessWidget {
                             business?.contains('article') != true)
                           PopupMenuItem<String>(
                             onTap: () async {
-                              var res = await UserHttp.toViewLater(
+                              final res = await UserHttp.toViewLater(
                                 bvid: item.history.bvid,
                               );
                               SmartDialog.showToast(res['msg']);
diff --git a/lib/pages/history_search/controller.dart b/lib/pages/history_search/controller.dart
index 8a3590dad..2d67344f3 100644
--- a/lib/pages/history_search/controller.dart
+++ b/lib/pages/history_search/controller.dart
@@ -27,7 +27,7 @@ class HistorySearchController
   final account = Accounts.history;
 
   Future<void> onDelHistory(int index, kid, String business) async {
-    var res = await UserHttp.delHistory(
+    final res = await UserHttp.delHistory(
       '${business}_$kid',
       account: account,
     );
@@ -50,7 +50,7 @@ class HistorySearchController
       onConfirm: () async {
         SmartDialog.showLoading(msg: '请求中');
         final removeList = allChecked.toSet();
-        var response = await UserHttp.delHistory(
+        final response = await UserHttp.delHistory(
           removeList
               .map((item) => '${item.history.business!}_${item.kid!}')
               .join(','),
diff --git a/lib/pages/home/controller.dart b/lib/pages/home/controller.dart
index 9913184ea..92c6895f8 100644
--- a/lib/pages/home/controller.dart
+++ b/lib/pages/home/controller.dart
@@ -79,7 +79,7 @@ class HomeController extends GetxController
 
   Future<void> querySearchDefault() async {
     try {
-      var res = await Request().get(
+      final res = await Request().get(
         Api.searchDefault,
         queryParameters: await WbiSign.makSign({'web_location': 333.1365}),
       );
diff --git a/lib/pages/hot/view.dart b/lib/pages/hot/view.dart
index 7452fa9ad..d37512501 100644
--- a/lib/pages/hot/view.dart
+++ b/lib/pages/hot/view.dart
@@ -142,7 +142,7 @@ class _HotPageState extends CommonPageState<HotPage, HotController>
   Widget _buildBody(LoadingState<List<HotVideoItemModel>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -160,7 +160,7 @@ class _HotPageState extends CommonPageState<HotPage, HotController>
                 itemCount: response.length,
               )
             : HttpError(onReload: controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: controller.onReload,
       ),
diff --git a/lib/pages/later/child_view.dart b/lib/pages/later/child_view.dart
index ecffc852d..24d7db22b 100644
--- a/lib/pages/later/child_view.dart
+++ b/lib/pages/later/child_view.dart
@@ -59,7 +59,7 @@ class _LaterViewChildPageState extends State<LaterViewChildPage>
   Widget _buildBody(LoadingState<List<LaterItemModel>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -67,7 +67,7 @@ class _LaterViewChildPageState extends State<LaterViewChildPage>
                   if (index == response.length - 1) {
                     _laterController.onLoadMore();
                   }
-                  var videoItem = response[index];
+                  final videoItem = response[index];
                   return VideoCardHLater(
                     index: index,
                     videoItem: videoItem,
@@ -98,7 +98,7 @@ class _LaterViewChildPageState extends State<LaterViewChildPage>
                 itemCount: response.length,
               )
             : HttpError(onReload: _laterController.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _laterController.onReload,
       ),
diff --git a/lib/pages/later/controller.dart b/lib/pages/later/controller.dart
index 74a0327e5..3104eae17 100644
--- a/lib/pages/later/controller.dart
+++ b/lib/pages/later/controller.dart
@@ -142,7 +142,7 @@ class LaterController extends MultiSelectController<LaterData, LaterItemModel>
       title: '确认',
       content: content,
       onConfirm: () async {
-        var res = await UserHttp.toViewClear(cleanType);
+        final res = await UserHttp.toViewClear(cleanType);
         if (res.isSuccess) {
           onReload();
           final restTypes = List<LaterViewType>.from(LaterViewType.values)
diff --git a/lib/pages/later/widgets/video_card_h_later.dart b/lib/pages/later/widgets/video_card_h_later.dart
index 79eed1ff2..c99da0681 100644
--- a/lib/pages/later/widgets/video_card_h_later.dart
+++ b/lib/pages/later/widgets/video_card_h_later.dart
@@ -8,7 +8,6 @@ import 'package:PiliPlus/common/widgets/stat/stat.dart';
 import 'package:PiliPlus/http/search.dart';
 import 'package:PiliPlus/models/common/badge_type.dart';
 import 'package:PiliPlus/models/common/stat_type.dart';
-import 'package:PiliPlus/models/search/result.dart';
 import 'package:PiliPlus/models_new/later/list.dart';
 import 'package:PiliPlus/pages/later/controller.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
@@ -33,13 +32,6 @@ class VideoCardHLater extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    String type = 'video';
-    if (videoItem case SearchVideoItemModel item) {
-      var typeOrNull = item.type;
-      if (typeOrNull != null && typeOrNull.isNotEmpty) {
-        type = typeOrNull;
-      }
-    }
     final theme = Theme.of(context);
     final enableMultiSelect = ctr.enableMultiSelect.value;
 
@@ -57,11 +49,11 @@ class VideoCardHLater extends StatelessWidget {
         onTap: enableMultiSelect
             ? () => ctr.onSelect(videoItem)
             : () async {
-                if (type == 'ketang') {
+                if (videoItem.isPugv ?? false) {
                   PageUtils.viewPugv(seasonId: videoItem.aid);
                   return;
                 }
-                if (videoItem.isPgc == true) {
+                if (videoItem.isPgc ?? false) {
                   if (videoItem.bangumi?.epId != null) {
                     PageUtils.viewPgc(epId: videoItem.bangumi!.epId);
                   } else if (videoItem.redirectUrl?.isNotEmpty == true) {
@@ -125,7 +117,7 @@ class VideoCardHLater extends StatelessWidget {
                             top: 6.0,
                             right: 6.0,
                           )
-                        else if (type == 'ketang')
+                        else if (videoItem.isPugv ?? false)
                           const PBadge(
                             text: '课堂',
                             top: 6.0,
diff --git a/lib/pages/live/controller.dart b/lib/pages/live/controller.dart
index 858cd433e..b4bb0bf5e 100644
--- a/lib/pages/live/controller.dart
+++ b/lib/pages/live/controller.dart
@@ -48,7 +48,7 @@ class LiveController extends CommonListController with AccountMixin {
   bool customHandleResponse(bool isRefresh, Success response) {
     if (isRefresh) {
       final res = response.response;
-      if (res case LiveIndexData data) {
+      if (res case final LiveIndexData data) {
         if (data.hasMore == 0) {
           isEnd = true;
         }
@@ -56,7 +56,7 @@ class LiveController extends CommonListController with AccountMixin {
           first: data.followItem,
           second: data.areaItem,
         );
-      } else if (res case LiveSecondData data) {
+      } else if (res case final LiveSecondData data) {
         count = data.count;
         newTags = data.newTags;
         if (sortType != null) {
diff --git a/lib/pages/live/view.dart b/lib/pages/live/view.dart
index 2b83b1046..3e73116ed 100644
--- a/lib/pages/live/view.dart
+++ b/lib/pages/live/view.dart
@@ -181,7 +181,7 @@ class _LivePageState extends CommonPageState<LivePage, LiveController>
         itemBuilder: (context, index) => const VideoCardVSkeleton(),
         itemCount: 10,
       ),
-      Success(:var response) => SliverMainAxisGroup(
+      Success(:final response) => SliverMainAxisGroup(
         slivers: [
           if (controller.newTags case final newTags?)
             if (newTags.isNotEmpty)
@@ -247,7 +247,7 @@ class _LivePageState extends CommonPageState<LivePage, LiveController>
               : HttpError(onReload: controller.onReload),
         ],
       ),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: controller.onReload,
       ),
diff --git a/lib/pages/live_area/view.dart b/lib/pages/live_area/view.dart
index 25cbadaec..345e7e7c8 100644
--- a/lib/pages/live_area/view.dart
+++ b/lib/pages/live_area/view.dart
@@ -78,7 +78,7 @@ class _LiveAreaPageState extends State<LiveAreaPage> {
   ) {
     return switch (loadingState) {
       Loading() => const SizedBox.shrink(),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? DefaultTabController(
                 length: response.length,
@@ -158,7 +158,7 @@ class _LiveAreaPageState extends State<LiveAreaPage> {
                 ),
               )
             : scrollErrorWidget(onReload: _controller.onReload),
-      Error(:var errMsg) => scrollErrorWidget(
+      Error(:final errMsg) => scrollErrorWidget(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/live_area_detail/child/view.dart b/lib/pages/live_area_detail/child/view.dart
index 9da3eee0f..c4d2072b9 100644
--- a/lib/pages/live_area_detail/child/view.dart
+++ b/lib/pages/live_area_detail/child/view.dart
@@ -77,7 +77,7 @@ class _LiveAreaChildPageState extends State<LiveAreaChildPage>
         itemBuilder: (context, index) => const VideoCardVSkeleton(),
         itemCount: 10,
       ),
-      Success(:var response) => SliverMainAxisGroup(
+      Success(:final response) => SliverMainAxisGroup(
         slivers: [
           if (_controller.newTags?.isNotEmpty == true)
             SliverToBoxAdapter(
@@ -131,7 +131,7 @@ class _LiveAreaChildPageState extends State<LiveAreaChildPage>
               : HttpError(onReload: _controller.onReload),
         ],
       ),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/live_area_detail/view.dart b/lib/pages/live_area_detail/view.dart
index adcdd61a3..3ee89e4b3 100644
--- a/lib/pages/live_area_detail/view.dart
+++ b/lib/pages/live_area_detail/view.dart
@@ -65,7 +65,7 @@ class _LiveAreaDetailPageState extends State<LiveAreaDetailPage> {
   ) {
     return switch (loadingState) {
       Loading() => const SizedBox.shrink(),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? DefaultTabController(
                 initialIndex: _controller.initialIndex,
diff --git a/lib/pages/live_dm_block/controller.dart b/lib/pages/live_dm_block/controller.dart
index 2d5b1bfe2..11c6c0d7a 100644
--- a/lib/pages/live_dm_block/controller.dart
+++ b/lib/pages/live_dm_block/controller.dart
@@ -32,7 +32,7 @@ class LiveDmBlockController extends GetxController
   }
 
   Future<void> queryData() async {
-    var res = await LiveHttp.getLiveInfoByUser(roomId);
+    final res = await LiveHttp.getLiveInfoByUser(roomId);
     if (res.isSuccess) {
       final data = res.data;
       final shieldRules = data?.shieldRules;
@@ -57,7 +57,7 @@ class LiveDmBlockController extends GetxController
     int level, {
     VoidCallback? onError,
   }) async {
-    var res = await LiveHttp.liveSetSilent(type: type.name, level: level);
+    final res = await LiveHttp.liveSetSilent(type: type.name, level: level);
     if (res.isSuccess) {
       switch (type) {
         case LiveDmSilentType.level:
@@ -86,9 +86,9 @@ class LiveDmBlockController extends GetxController
             setSilent(LiveDmSilentType.verify, 1),
           ]
         : [
-            for (var e in LiveDmSilentType.values) setSilent(e, 0),
+            for (final e in LiveDmSilentType.values) setSilent(e, 0),
           ];
-    var res = await Future.wait(futures);
+    final res = await Future.wait(futures);
     if (enable) {
       if (res.any((e) => e)) {
         isEnable.value = true;
@@ -102,14 +102,14 @@ class LiveDmBlockController extends GetxController
 
   Future<void> addShieldKeyword(bool isKeyword, String value) async {
     if (isKeyword) {
-      var res = await LiveHttp.addShieldKeyword(keyword: value);
+      final res = await LiveHttp.addShieldKeyword(keyword: value);
       if (res.isSuccess) {
         keywordList.insert(0, value);
       } else {
         res.toast();
       }
     } else {
-      var res = await LiveHttp.liveShieldUser(
+      final res = await LiveHttp.liveShieldUser(
         uid: value,
         roomid: roomId,
         type: 1,
@@ -125,7 +125,7 @@ class LiveDmBlockController extends GetxController
   Future<void> onRemove(int index, Object item) async {
     assert(item is ShieldUserList || item is String);
     if (item is ShieldUserList) {
-      var res = await LiveHttp.liveShieldUser(
+      final res = await LiveHttp.liveShieldUser(
         uid: item.uid!,
         roomid: roomId,
         type: 0,
@@ -136,7 +136,7 @@ class LiveDmBlockController extends GetxController
         res.toast();
       }
     } else {
-      var res = await LiveHttp.delShieldKeyword(keyword: item as String);
+      final res = await LiveHttp.delShieldKeyword(keyword: item as String);
       if (res.isSuccess) {
         keywordList.removeAt(index);
       } else {
diff --git a/lib/pages/live_emote/view.dart b/lib/pages/live_emote/view.dart
index 7187ebacb..9de05abbf 100644
--- a/lib/pages/live_emote/view.dart
+++ b/lib/pages/live_emote/view.dart
@@ -52,7 +52,7 @@ class _LiveEmotePanelState extends State<LiveEmotePanel>
     );
     return switch (loadingState) {
       Loading() => loadingWidget,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? Column(
                 children: [
@@ -191,7 +191,7 @@ class _LiveEmotePanelState extends State<LiveEmotePanel>
                 ],
               )
             : _errorWidget(),
-      Error(:var errMsg) => _errorWidget(errMsg),
+      Error(:final errMsg) => _errorWidget(errMsg),
     };
   }
 
diff --git a/lib/pages/live_follow/view.dart b/lib/pages/live_follow/view.dart
index b7324a80d..2864b2ad7 100644
--- a/lib/pages/live_follow/view.dart
+++ b/lib/pages/live_follow/view.dart
@@ -67,7 +67,7 @@ class _LiveFollowPageState extends State<LiveFollowPage> {
         itemBuilder: (context, index) => const VideoCardVSkeleton(),
         itemCount: 10,
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -82,7 +82,7 @@ class _LiveFollowPageState extends State<LiveFollowPage> {
                 itemCount: response.length,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/live_room/controller.dart b/lib/pages/live_room/controller.dart
index 45249ec26..8bd8f9ca8 100644
--- a/lib/pages/live_room/controller.dart
+++ b/lib/pages/live_room/controller.dart
@@ -191,7 +191,7 @@ class LiveRoomController extends GetxController {
     currentQn ??= await Utils.isWiFi
         ? Pref.liveQuality
         : Pref.liveQualityCellular;
-    var res = await LiveHttp.liveRoomInfo(
+    final res = await LiveHttp.liveRoomInfo(
       roomId: roomId,
       qn: currentQn,
       onlyAudio: plPlayerController.onlyPlayAudio.value,
@@ -234,7 +234,7 @@ class LiveRoomController extends GetxController {
   }
 
   Future<void> queryLiveInfoH5() async {
-    var res = await LiveHttp.liveRoomInfoH5(roomId: roomId);
+    final res = await LiveHttp.liveRoomInfoH5(roomId: roomId);
     if (res.isSuccess) {
       final data = res.data;
       roomInfoH5.value = data;
@@ -506,7 +506,7 @@ class LiveRoomController extends GetxController {
       likeClickTime.value = 0;
       return;
     }
-    var res = await LiveHttp.liveLikeReport(
+    final res = await LiveHttp.liveLikeReport(
       clickTime: likeClickTime.value,
       roomId: roomId,
       uid: mid,
diff --git a/lib/pages/live_search/child/view.dart b/lib/pages/live_search/child/view.dart
index 0ebc7e477..00569100d 100644
--- a/lib/pages/live_search/child/view.dart
+++ b/lib/pages/live_search/child/view.dart
@@ -85,7 +85,7 @@ class _LiveSearchChildPageState extends State<LiveSearchChildPage>
   Widget _buildBody(LoadingState<List?> loadingState) {
     return switch (loadingState) {
       Loading() => _buildLoading,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? Builder(
                 builder: (context) {
@@ -118,7 +118,7 @@ class _LiveSearchChildPageState extends State<LiveSearchChildPage>
                 },
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/log_table/view.dart b/lib/pages/log_table/view.dart
index 0bac0b42b..f1d0658d3 100644
--- a/lib/pages/log_table/view.dart
+++ b/lib/pages/log_table/view.dart
@@ -40,7 +40,7 @@ class _LogPageState<T> extends State<LogPage<T>> {
   Widget _buildBody(LoadingState<List<T>?> loadingState) {
     return switch (loadingState) {
       Loading() => linearLoading,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? Builder(
                 builder: (context) {
@@ -86,7 +86,7 @@ class _LogPageState<T> extends State<LogPage<T>> {
                 },
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
@@ -115,7 +115,7 @@ class _LogPageState<T> extends State<LogPage<T>> {
     Widget content = Row(
       children: [
         divider,
-        for (var (i, j) in _controller.getFlexAndText(item)) ...[
+        for (final (i, j) in _controller.getFlexAndText(item)) ...[
           text(i, j),
           divider,
         ],
diff --git a/lib/pages/login/controller.dart b/lib/pages/login/controller.dart
index a748c14c6..66ba76cab 100644
--- a/lib/pages/login/controller.dart
+++ b/lib/pages/login/controller.dart
@@ -146,7 +146,7 @@ class LoginPageController extends GetxController
         }
       });
     } else {
-      var registerData = Gt3RegisterData(
+      final registerData = Gt3RegisterData(
         challenge: geeChallenge,
         gt: geeGt,
         success: true,
@@ -242,7 +242,7 @@ class LoginPageController extends GetxController
       return;
     }
     try {
-      var result = await Request().get(
+      final result = await Request().get(
         "/x/member/web/account",
         options: Options(
           headers: {
@@ -288,14 +288,14 @@ class LoginPageController extends GetxController
       return;
     }
     // if ((passwordFormKey.currentState as FormState).validate()) {
-    var webKeyRes = await LoginHttp.getWebKey();
+    final webKeyRes = await LoginHttp.getWebKey();
     if (!webKeyRes['status']) {
       SmartDialog.showToast(webKeyRes['msg']);
       return;
     }
     String salt = webKeyRes['data']['hash'];
     String key = webKeyRes['data']['key'];
-    var res = await LoginHttp.loginByPwd(
+    final res = await LoginHttp.loginByPwd(
       username: username,
       password: password,
       key: key,
@@ -306,7 +306,7 @@ class LoginPageController extends GetxController
       recaptchaToken: captchaData.token,
     );
     if (res['status']) {
-      var data = res['data'];
+      final data = res['data'];
       if (data == null) {
         SmartDialog.showToast('登录异常，接口未返回数据：${res["msg"]}');
         return;
@@ -320,7 +320,7 @@ class LoginPageController extends GetxController
         //{"code":0,"message":"0","ttl":1,"data":{"status":2,"message":"本次登录环境存在风险, 需使用手机号进行验证或绑定","url":"https://passport.bilibili.com/h5-app/passport/risk/verify?tmp_token=9e785433940891dfa78f033fb7928181&request_id=e5a6d6480df04097870be56c6e60f7ef&source=risk","token_info":null,"cookie_info":null,"sso":null,"is_new":false,"is_tourist":false}}
         String url = data['url']!;
         Uri currentUri = Uri.parse(url);
-        var safeCenterRes = await LoginHttp.safeCenterGetInfo(
+        final safeCenterRes = await LoginHttp.safeCenterGetInfo(
           tmpCode: currentUri.queryParameters['tmp_token']!,
         );
         //{"code":0,"message":"0","ttl":1,"data":{"account_info":{"hide_tel":"111*****111","hide_mail":"aaa*****aaaa.aaa","bind_mail":true,"bind_tel":true,"tel_verify":true,"mail_verify":true,"unneeded_check":false,"bind_safe_question":false,"mid":1111111},"member_info":{"nickname":"xxxxxxx","face":"https://i0.hdslb.com/bfs/face/xxxxxxx.jpg","realname_status":false},"sns_info":{"bind_google":false,"bind_fb":false,"bind_apple":false,"bind_qq":true,"bind_weibo":true,"bind_wechat":false},"account_safe":{"score":80}}}
@@ -392,7 +392,7 @@ class LoginPageController extends GetxController
               TextButton(
                 child: const Text("发送验证码"),
                 onPressed: () async {
-                  var preCaptureRes = await LoginHttp.preCapture();
+                  final preCaptureRes = await LoginHttp.preCapture();
                   if (!preCaptureRes['status'] ||
                       preCaptureRes['data'] == null) {
                     SmartDialog.showToast(
@@ -415,7 +415,7 @@ class LoginPageController extends GetxController
                     geeGt,
                     geeChallenge,
                     () async {
-                      var safeCenterSendSmsCodeRes =
+                      final safeCenterSendSmsCodeRes =
                           await LoginHttp.safeCenterSmsCode(
                             tmpCode: currentUri.queryParameters['tmp_token']!,
                             geeChallenge: geeChallenge,
@@ -452,7 +452,7 @@ class LoginPageController extends GetxController
                     SmartDialog.showToast("请输入短信验证码");
                     return;
                   }
-                  var safeCenterSmsVerifyRes =
+                  final safeCenterSmsVerifyRes =
                       await LoginHttp.safeCenterSmsVerify(
                         code: code,
                         tmpCode: currentUri.queryParameters['tmp_token']!,
@@ -469,9 +469,10 @@ class LoginPageController extends GetxController
                     return;
                   }
                   SmartDialog.showToast("验证成功，正在登录");
-                  var oauth2AccessTokenRes = await LoginHttp.oauth2AccessToken(
-                    code: safeCenterSmsVerifyRes['data']['code'],
-                  );
+                  final oauth2AccessTokenRes =
+                      await LoginHttp.oauth2AccessToken(
+                        code: safeCenterSmsVerifyRes['data']['code'],
+                      );
                   if (!oauth2AccessTokenRes['status']) {
                     SmartDialog.showToast(
                       "登录失败，请尝试其它登录方式\n"
@@ -479,7 +480,7 @@ class LoginPageController extends GetxController
                     );
                     return;
                   }
-                  var data = oauth2AccessTokenRes['data'];
+                  final data = oauth2AccessTokenRes['data'];
                   if (data['token_info'] == null ||
                       data['cookie_info'] == null) {
                     SmartDialog.showToast(
@@ -556,13 +557,13 @@ class LoginPageController extends GetxController
       SmartDialog.showToast('验证码已过期，请重新获取');
       return;
     }
-    var webKeyRes = await LoginHttp.getWebKey();
+    final webKeyRes = await LoginHttp.getWebKey();
     if (!webKeyRes['status']) {
       SmartDialog.showToast(webKeyRes['msg']);
       return;
     }
     String key = webKeyRes['data']['key'];
-    var res = await LoginHttp.loginBySms(
+    final res = await LoginHttp.loginBySms(
       tel: telTextController.text,
       code: smsCodeTextController.text,
       captchaKey: captchaKey,
@@ -571,7 +572,7 @@ class LoginPageController extends GetxController
     );
     if (res['status']) {
       SmartDialog.showToast('登录成功');
-      var data = res['data'];
+      final data = res['data'];
       await setAccount(data['token_info'], data['cookie_info']['cookies']);
       Get.back();
     } else {
@@ -586,19 +587,19 @@ class LoginPageController extends GetxController
       return;
     }
     // String? guestId;
-    // var webKeyRes = await LoginHttp.getWebKey();
+    // final webKeyRes = await LoginHttp.getWebKey();
     // if (!webKeyRes['status']) {
     //   SmartDialog.showToast(webKeyRes['msg']);
     // } else {
     //   String key = webKeyRes['data']['key'];
-    //   var guestIdRes = await LoginHttp.getGuestId(key);
+    //   final guestIdRes = await LoginHttp.getGuestId(key);
     //   if (!guestIdRes['status']) {
     //     SmartDialog.showToast(guestIdRes['msg']);
     //   } else {
     //     guestId = guestIdRes['data']['guest_id'];
     //   }
     // }
-    // var preCaptureRes = await LoginHttp.preCapture();
+    // final preCaptureRes = await LoginHttp.preCapture();
     // if (!preCaptureRes['status']) {
     //   SmartDialog.showToast("获取验证码失败，请尝试其它登录方式\n"
     //       "(${preCaptureRes['code']}) ${preCaptureRes['msg']}");
@@ -610,7 +611,7 @@ class LoginPageController extends GetxController
 
     // getCaptcha(geeGt, geeChallenge, () async {
 
-    // var safeCenterSendSmsCodeRes =
+    // final safeCenterSendSmsCodeRes =
     // await LoginHttp.safeCenterSmsCode(
     //   tmpCode: currentUri.queryParameters['tmp_token']!,
     //   geeChallenge: geeChallenge,
@@ -627,7 +628,7 @@ class LoginPageController extends GetxController
     // SmartDialog.showToast("短信验证码已发送，请查收");
     // captchaKey = safeCenterSendSmsCodeRes['data']['captcha_key'];
 
-    var res = await LoginHttp.sendSmsCode(
+    final res = await LoginHttp.sendSmsCode(
       tel: telTextController.text,
       cid: selectedCountryCodeId.countryId,
       // deviceTouristId: guestId,
@@ -671,7 +672,7 @@ class LoginPageController extends GetxController
                 '验证信息错误：${res["msg"]}\n返回内容：${res["data"]}，尝试另一个验证码接口',
               );
             }
-            var preCaptureRes = await LoginHttp.preCapture();
+            final preCaptureRes = await LoginHttp.preCapture();
             if (!preCaptureRes['status'] || preCaptureRes['data'] == null) {
               SmartDialog.showToast(
                 "获取验证码失败，请尝试其它登录方式\n"
@@ -777,7 +778,7 @@ class LoginPageController extends GetxController
           ),
           TextButton(
             onPressed: () {
-              for (var (i, v) in selectAccount.indexed) {
+              for (final (i, v) in selectAccount.indexed) {
                 if (v != Accounts.accountMode[i]) {
                   Accounts.set(AccountType.values[i], v);
                 }
diff --git a/lib/pages/login/geetest/geetest_webview_dialog.dart b/lib/pages/login/geetest/geetest_webview_dialog.dart
index a04771607..445346211 100644
--- a/lib/pages/login/geetest/geetest_webview_dialog.dart
+++ b/lib/pages/login/geetest/geetest_webview_dialog.dart
@@ -31,7 +31,7 @@ class GeetestWebviewDialog extends StatelessWidget {
         extra: {'account': const NoAccount()},
       ),
     );
-    if (res.data case String data) {
+    if (res.data case final String data) {
       if (data.startsWith('(') && data.endsWith(')')) {
         final Map<String, dynamic> config;
         try {
diff --git a/lib/pages/login/view.dart b/lib/pages/login/view.dart
index e043633f8..c6077c2bd 100644
--- a/lib/pages/login/view.dart
+++ b/lib/pages/login/view.dart
@@ -70,7 +70,7 @@ class _LoginPageState extends State<LoginPage> {
                 RenderRepaintBoundary boundary =
                     globalKey.currentContext!.findRenderObject()!
                         as RenderRepaintBoundary;
-                var image = await boundary.toImage(pixelRatio: 3);
+                final image = await boundary.toImage(pixelRatio: 3);
                 ByteData? byteData = await image.toByteData(
                   format: ImageByteFormat.png,
                 );
@@ -106,7 +106,7 @@ class _LoginPageState extends State<LoginPage> {
                   semanticsLabel: '二维码加载中',
                 ),
               ),
-              Success(:var response) => Container(
+              Success(:final response) => Container(
                 width: 200,
                 height: 200,
                 color: Colors.white,
@@ -120,7 +120,7 @@ class _LoginPageState extends State<LoginPage> {
                   ),
                 ),
               ),
-              Error(:var errMsg) => errorWidget(
+              Error(:final errMsg) => errorWidget(
                 errMsg: errMsg,
                 onReload: _loginPageCtr.refreshQRCode,
               ),
diff --git a/lib/pages/login_devices/view.dart b/lib/pages/login_devices/view.dart
index f1ebef771..b982c1d8e 100644
--- a/lib/pages/login_devices/view.dart
+++ b/lib/pages/login_devices/view.dart
@@ -50,7 +50,7 @@ class LoginDevicesPageState extends State<LoginDevicesPage> {
     );
     return switch (loadingState) {
       Loading() => const SliverToBoxAdapter(),
-      Success<List<LoginDevice>?>(:var response) =>
+      Success<List<LoginDevice>?>(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.separated(
                 itemBuilder: (context, index) {
@@ -60,7 +60,7 @@ class LoginDevicesPageState extends State<LoginDevicesPage> {
                 separatorBuilder: (_, _) => divider,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/main/controller.dart b/lib/pages/main/controller.dart
index c7c816577..52b2b0802 100644
--- a/lib/pages/main/controller.dart
+++ b/lib/pages/main/controller.dart
@@ -108,7 +108,7 @@ class MainController extends GetxController
 
   Future<int> _msgUnread() async {
     if (msgUnReadTypes.contains(MsgUnReadType.pm)) {
-      var res = await MsgHttp.msgUnread();
+      final res = await MsgHttp.msgUnread();
       if (res case Success(:final response)) {
         return response.followUnread +
             response.unfollowUnread +
@@ -123,12 +123,12 @@ class MainController extends GetxController
 
   Future<int> _msgFeedUnread() async {
     int count = 0;
-    var remainTypes = Set<MsgUnReadType>.from(msgUnReadTypes)
+    final remainTypes = Set<MsgUnReadType>.from(msgUnReadTypes)
       ..remove(MsgUnReadType.pm);
     if (remainTypes.isNotEmpty) {
-      var res = await MsgHttp.msgFeedUnread();
+      final res = await MsgHttp.msgFeedUnread();
       if (res case Success(:final response)) {
-        for (var item in remainTypes) {
+        for (final item in remainTypes) {
           switch (item) {
             case MsgUnReadType.pm:
               break;
@@ -160,7 +160,7 @@ class MainController extends GetxController
       return;
     }
 
-    var res = await Future.wait([_msgUnread(), _msgFeedUnread()]);
+    final res = await Future.wait([_msgUnread(), _msgFeedUnread()]);
 
     final count = res.sum;
 
diff --git a/lib/pages/main_reply/view.dart b/lib/pages/main_reply/view.dart
index 15e120114..f8399b795 100644
--- a/lib/pages/main_reply/view.dart
+++ b/lib/pages/main_reply/view.dart
@@ -117,7 +117,7 @@ class _MainReplyPageState extends State<MainReplyPage> {
         itemBuilder: (_, _) => const VideoReplySkeleton(),
         prototypeItem: const VideoReplySkeleton(),
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.builder(
                 itemCount: response.length + 1,
diff --git a/lib/pages/match_info/controller.dart b/lib/pages/match_info/controller.dart
index 3d50110bc..327220c2b 100644
--- a/lib/pages/match_info/controller.dart
+++ b/lib/pages/match_info/controller.dart
@@ -23,7 +23,7 @@ class MatchInfoController extends CommonDynController {
   }
 
   Future<void> getMatchInfo() async {
-    var res = await MatchHttp.matchInfo(oid);
+    final res = await MatchHttp.matchInfo(oid);
     if (res.isSuccess) {
       queryData();
     }
diff --git a/lib/pages/member/controller.dart b/lib/pages/member/controller.dart
index 2405188fe..7129efcea 100644
--- a/lib/pages/member/controller.dart
+++ b/lib/pages/member/controller.dart
@@ -179,7 +179,7 @@ class MemberController extends CommonDataController<SpaceData, SpaceData?>
 
   Future<void> _onBlock() async {
     final isBlocked = relation.value == 128;
-    var res = await VideoHttp.relationMod(
+    final res = await VideoHttp.relationMod(
       mid: mid,
       act: isBlocked ? 6 : 5,
       reSrc: 11,
@@ -239,7 +239,7 @@ class MemberController extends CommonDataController<SpaceData, SpaceData?>
   }
 
   Future<void> vipExpAdd() async {
-    var res = await UserHttp.vipExpAdd();
+    final res = await UserHttp.vipExpAdd();
     if (res.isSuccess) {
       SmartDialog.showToast('领取成功');
     } else {
diff --git a/lib/pages/member/view.dart b/lib/pages/member/view.dart
index e3935f600..6f6140a0c 100644
--- a/lib/pages/member/view.dart
+++ b/lib/pages/member/view.dart
@@ -326,7 +326,7 @@ class _MemberPageState extends State<MemberPage> {
     switch (userState) {
       case Loading():
         return const CircularProgressIndicator();
-      case Success<SpaceData?>(:var response):
+      case Success<SpaceData?>(:final response):
         if (response != null) {
           return DynamicSliverAppBarMedium(
             pinned: true,
@@ -354,7 +354,7 @@ class _MemberPageState extends State<MemberPage> {
             child: Text(_userController.username ?? ''),
           ),
         );
-      case Error(:var errMsg):
+      case Error(:final errMsg):
         return scrollErrorWidget(
           errMsg: errMsg,
           onReload: _userController.onReload,
diff --git a/lib/pages/member_article/view.dart b/lib/pages/member_article/view.dart
index 78632c7df..be9baa66b 100644
--- a/lib/pages/member_article/view.dart
+++ b/lib/pages/member_article/view.dart
@@ -55,7 +55,7 @@ class _MemberArticleState extends State<MemberArticle>
   Widget _buildBody(LoadingState<List<SpaceArticleItem>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -70,7 +70,7 @@ class _MemberArticleState extends State<MemberArticle>
                 itemCount: response.length,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/member_audio/view.dart b/lib/pages/member_audio/view.dart
index 1726c3910..870a5e1ee 100644
--- a/lib/pages/member_audio/view.dart
+++ b/lib/pages/member_audio/view.dart
@@ -70,7 +70,7 @@ class _MemberAudioState extends State<MemberAudio>
   ) {
     return switch (loadingState) {
       Loading() => linearLoading,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverMainAxisGroup(
                 slivers: [
@@ -130,7 +130,7 @@ class _MemberAudioState extends State<MemberAudio>
                 ],
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/member_cheese/view.dart b/lib/pages/member_cheese/view.dart
index 0aa00dbb2..52475cc8e 100644
--- a/lib/pages/member_cheese/view.dart
+++ b/lib/pages/member_cheese/view.dart
@@ -55,7 +55,7 @@ class _MemberCheeseState extends State<MemberCheese>
   Widget _buildBody(LoadingState<List<SpaceCheeseItem>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -68,7 +68,7 @@ class _MemberCheeseState extends State<MemberCheese>
                 itemCount: response.length,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/member_coin_arc/view.dart b/lib/pages/member_coin_arc/view.dart
index cbc92b922..3c36f1a8c 100644
--- a/lib/pages/member_coin_arc/view.dart
+++ b/lib/pages/member_coin_arc/view.dart
@@ -78,7 +78,7 @@ class _MemberCoinArcPageState extends State<MemberCoinArcPage> {
         itemCount: 16,
         itemBuilder: (context, index) => const VideoCardVSkeleton(),
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -91,7 +91,7 @@ class _MemberCoinArcPageState extends State<MemberCoinArcPage> {
                 },
               )
             : HttpError(onReload: _ctr.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _ctr.onReload,
       ),
diff --git a/lib/pages/member_comic/view.dart b/lib/pages/member_comic/view.dart
index 317f5024b..40cc8a021 100644
--- a/lib/pages/member_comic/view.dart
+++ b/lib/pages/member_comic/view.dart
@@ -51,7 +51,7 @@ class _MemberComicState extends State<MemberComic>
   Widget _buildBody(LoadingState<List<SpaceArchiveItem>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -64,7 +64,7 @@ class _MemberComicState extends State<MemberComic>
                 itemCount: response.length,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/member_dynamics/controller.dart b/lib/pages/member_dynamics/controller.dart
index f5fae269a..15d54817b 100644
--- a/lib/pages/member_dynamics/controller.dart
+++ b/lib/pages/member_dynamics/controller.dart
@@ -49,7 +49,7 @@ class MemberDynamicsController
       );
 
   Future<void> onRemove(dynamic dynamicId) async {
-    var res = await MsgHttp.removeDynamic(dynIdStr: dynamicId);
+    final res = await MsgHttp.removeDynamic(dynIdStr: dynamicId);
     if (res.isSuccess) {
       loadingState
         ..value.data!.removeWhere((item) => item.idStr == dynamicId)
@@ -61,7 +61,7 @@ class MemberDynamicsController
   }
 
   Future<void> onSetTop(bool isTop, Object dynamicId) async {
-    var res = await (isTop
+    final res = await (isTop
         ? DynamicsHttp.rmTop(dynamicId: dynamicId)
         : DynamicsHttp.setTop(dynamicId: dynamicId));
     if (res.isSuccess) {
diff --git a/lib/pages/member_dynamics/view.dart b/lib/pages/member_dynamics/view.dart
index 794de8607..0457fb1ec 100644
--- a/lib/pages/member_dynamics/view.dart
+++ b/lib/pages/member_dynamics/view.dart
@@ -79,7 +79,7 @@ class _MemberDynamicsPageState extends State<MemberDynamicsPage>
   Widget _buildContent(LoadingState<List<DynamicItemModel>?> loadingState) {
     return switch (loadingState) {
       Loading() => dynSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? GlobalData().dynamicsWaterfallFlow
                   ? SliverWaterfallFlow(
@@ -114,7 +114,7 @@ class _MemberDynamicsPageState extends State<MemberDynamicsPage>
                       itemCount: response.length,
                     )
             : HttpError(onReload: _memberDynamicController.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _memberDynamicController.onReload,
       ),
diff --git a/lib/pages/member_favorite/view.dart b/lib/pages/member_favorite/view.dart
index 97188c917..767f41910 100644
--- a/lib/pages/member_favorite/view.dart
+++ b/lib/pages/member_favorite/view.dart
@@ -88,7 +88,7 @@ class _MemberFavoriteState extends State<MemberFavorite>
                 ],
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/member_home/view.dart b/lib/pages/member_home/view.dart
index 4e30d1efe..0e5533b8d 100644
--- a/lib/pages/member_home/view.dart
+++ b/lib/pages/member_home/view.dart
@@ -258,7 +258,7 @@ class _MemberHomeState extends State<MemberHome>
                 ],
               )
             : scrollErrorWidget(),
-      Error(:var errMsg) => scrollErrorWidget(errMsg: errMsg),
+      Error(:final errMsg) => scrollErrorWidget(errMsg: errMsg),
     };
   }
 
diff --git a/lib/pages/member_like_arc/view.dart b/lib/pages/member_like_arc/view.dart
index 9f88a639a..80adac94b 100644
--- a/lib/pages/member_like_arc/view.dart
+++ b/lib/pages/member_like_arc/view.dart
@@ -78,7 +78,7 @@ class _MemberLikeArcPageState extends State<MemberLikeArcPage> {
         itemCount: 16,
         itemBuilder: (context, index) => const VideoCardVSkeleton(),
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -91,7 +91,7 @@ class _MemberLikeArcPageState extends State<MemberLikeArcPage> {
                 },
               )
             : HttpError(onReload: _ctr.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _ctr.onReload,
       ),
diff --git a/lib/pages/member_opus/view.dart b/lib/pages/member_opus/view.dart
index 6ed40603e..2f2121d57 100644
--- a/lib/pages/member_opus/view.dart
+++ b/lib/pages/member_opus/view.dart
@@ -135,7 +135,7 @@ class _MemberOpusState extends State<MemberOpus>
           childCount: 10,
         ),
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverWaterfallFlow(
                 gridDelegate: gridDelegate,
@@ -153,7 +153,7 @@ class _MemberOpusState extends State<MemberOpus>
                 ),
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/member_pgc/controller.dart b/lib/pages/member_pgc/controller.dart
index b58c21658..fffa20b88 100644
--- a/lib/pages/member_pgc/controller.dart
+++ b/lib/pages/member_pgc/controller.dart
@@ -26,7 +26,7 @@ class MemberBangumiCtr
     SpaceData? response = _ctr.loadingState.value.data;
     if (response != null) {
       page = 2;
-      var res = response.season!;
+      final res = response.season!;
       loadingState.value = Success(res.item);
       count = res.count!;
       isEnd = res.item!.length >= count!;
diff --git a/lib/pages/member_pgc/view.dart b/lib/pages/member_pgc/view.dart
index 312efc3e5..4b567eff8 100644
--- a/lib/pages/member_pgc/view.dart
+++ b/lib/pages/member_pgc/view.dart
@@ -71,7 +71,7 @@ class _MemberBangumiState extends State<MemberBangumi>
   Widget _buildBody(LoadingState<List<SpaceArchiveItem>?> loadingState) {
     return switch (loadingState) {
       Loading() => const SliverToBoxAdapter(),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -86,7 +86,7 @@ class _MemberBangumiState extends State<MemberBangumi>
                 itemCount: response.length,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/member_profile/view.dart b/lib/pages/member_profile/view.dart
index ff07f086c..db7b84b27 100644
--- a/lib/pages/member_profile/view.dart
+++ b/lib/pages/member_profile/view.dart
@@ -130,7 +130,7 @@ class _EditProfilePageState extends State<EditProfilePage> {
 
     return switch (loadingState) {
       Loading() => loadingWidget,
-      Success(:var response) => ListView(
+      Success(:final response) => ListView(
         padding: EdgeInsets.only(
           bottom: MediaQuery.viewPaddingOf(context).bottom + 25,
         ),
@@ -242,7 +242,7 @@ class _EditProfilePageState extends State<EditProfilePage> {
           divider1,
         ],
       ),
-      Error(:var errMsg) => scrollErrorWidget(
+      Error(:final errMsg) => scrollErrorWidget(
         errMsg: errMsg,
         onReload: _getInfo,
       ),
diff --git a/lib/pages/member_search/child/view.dart b/lib/pages/member_search/child/view.dart
index b0bf587fa..0b7bd317c 100644
--- a/lib/pages/member_search/child/view.dart
+++ b/lib/pages/member_search/child/view.dart
@@ -69,7 +69,7 @@ class _MemberSearchChildPageState extends State<MemberSearchChildPage>
   Widget _buildBody(LoadingState<List?> loadingState) {
     return switch (loadingState) {
       Loading() => _buildLoading,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? Builder(
                 builder: (context) {
@@ -119,7 +119,7 @@ class _MemberSearchChildPageState extends State<MemberSearchChildPage>
                 },
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/member_season_series/view.dart b/lib/pages/member_season_series/view.dart
index a104a43a0..ce369a2f4 100644
--- a/lib/pages/member_season_series/view.dart
+++ b/lib/pages/member_season_series/view.dart
@@ -55,7 +55,7 @@ class _SeasonSeriesPageState extends State<SeasonSeriesPage>
   Widget _buildBody(LoadingState<List<SpaceSsModel>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -95,7 +95,7 @@ class _SeasonSeriesPageState extends State<SeasonSeriesPage>
                 itemCount: response.length,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/member_shop/view.dart b/lib/pages/member_shop/view.dart
index defc224bd..5b36fcc62 100644
--- a/lib/pages/member_shop/view.dart
+++ b/lib/pages/member_shop/view.dart
@@ -78,7 +78,7 @@ class _MemberShopState extends State<MemberShop>
             childCount: 10,
           ),
         );
-      case Success(:var response):
+      case Success(:final response):
         if (response == null || response.isEmpty) {
           return HttpError(onReload: _controller.onReload);
         }
@@ -128,7 +128,7 @@ class _MemberShopState extends State<MemberShop>
           );
         }
         return sliver;
-      case Error(:var errMsg):
+      case Error(:final errMsg):
         return HttpError(
           errMsg: errMsg,
           onReload: _controller.onReload,
diff --git a/lib/pages/member_upower_rank/view.dart b/lib/pages/member_upower_rank/view.dart
index e9372729a..e862fd61a 100644
--- a/lib/pages/member_upower_rank/view.dart
+++ b/lib/pages/member_upower_rank/view.dart
@@ -173,7 +173,7 @@ class _UpowerRankPageState extends State<UpowerRankPage>
     late final width = MediaQuery.textScalerOf(context).scale(32);
     return switch (loadingState) {
       Loading() => linearLoading,
-      Success<List<UpowerRankInfo>?>(:var response) =>
+      Success<List<UpowerRankInfo>?>(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.builder(
                 itemCount: response.length,
@@ -242,7 +242,7 @@ class _UpowerRankPageState extends State<UpowerRankPage>
                 },
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/member_video/controller.dart b/lib/pages/member_video/controller.dart
index 7682fe99b..e99b0ef4b 100644
--- a/lib/pages/member_video/controller.dart
+++ b/lib/pages/member_video/controller.dart
@@ -152,8 +152,8 @@ class MemberVideoCtr
       final params = Uri.parse(episodicButton.uri!).queryParameters;
       String? oid = params['oid'];
       if (oid != null) {
-        var bvid = IdUtils.av2bv(int.parse(oid));
-        var cid = await SearchHttp.ab2c(aid: oid, bvid: bvid);
+        final bvid = IdUtils.av2bv(int.parse(oid));
+        final cid = await SearchHttp.ab2c(aid: oid, bvid: bvid);
         if (cid != null) {
           PageUtils.toVideoPage(
             aid: int.parse(oid),
diff --git a/lib/pages/member_video/view.dart b/lib/pages/member_video/view.dart
index 697c8db77..31fda443b 100644
--- a/lib/pages/member_video/view.dart
+++ b/lib/pages/member_video/view.dart
@@ -163,7 +163,7 @@ class _MemberVideoState extends State<MemberVideo>
   ) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverMainAxisGroup(
                 slivers: [
@@ -272,7 +272,7 @@ class _MemberVideoState extends State<MemberVideo>
                 ],
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/mine/controller.dart b/lib/pages/mine/controller.dart
index 69eb93d05..ca65793e5 100644
--- a/lib/pages/mine/controller.dart
+++ b/lib/pages/mine/controller.dart
@@ -99,7 +99,7 @@ class MineController extends CommonDataController<FavFolderData, FavFolderData>
   }
 
   Future<void> queryUserInfo() async {
-    var res = await UserHttp.userInfo();
+    final res = await UserHttp.userInfo();
     if (res.isSuccess) {
       UserInfoData data = res.data;
       if (data.isLogin == true) {
@@ -126,7 +126,7 @@ class MineController extends CommonDataController<FavFolderData, FavFolderData>
   }
 
   Future<void> queryUserStatOwner() async {
-    var res = await UserHttp.userStatOwner();
+    final res = await UserHttp.userStatOwner();
     if (res['status']) {
       userStat.value = res['data'];
     }
diff --git a/lib/pages/mine/view.dart b/lib/pages/mine/view.dart
index 62eb376b2..f6890ff8f 100644
--- a/lib/pages/mine/view.dart
+++ b/lib/pages/mine/view.dart
@@ -504,7 +504,7 @@ class _MediaPageState extends CommonPageState<MinePage, MineController>
   ) {
     return switch (loadingState) {
       Loading() => const SizedBox.shrink(),
-      Success(:var response) => Builder(
+      Success(:final response) => Builder(
         builder: (context) {
           List<FavFolderInfo>? favFolderList = response.list;
           if (favFolderList == null || favFolderList.isEmpty) {
@@ -564,7 +564,7 @@ class _MediaPageState extends CommonPageState<MinePage, MineController>
           );
         },
       ),
-      Error(:var errMsg) => SizedBox(
+      Error(:final errMsg) => SizedBox(
         height: 160,
         child: Center(
           child: Text(
diff --git a/lib/pages/msg_feed_top/at_me/controller.dart b/lib/pages/msg_feed_top/at_me/controller.dart
index 7be5f8f70..4234b7f4d 100644
--- a/lib/pages/msg_feed_top/at_me/controller.dart
+++ b/lib/pages/msg_feed_top/at_me/controller.dart
@@ -39,7 +39,7 @@ class AtMeController extends CommonListController<MsgAtData, MsgAtItem> {
   @pragma('vm:notify-debugger-on-exception')
   Future<void> onRemove(Object id, int index) async {
     try {
-      var res = await MsgHttp.delMsgfeed(2, id);
+      final res = await MsgHttp.delMsgfeed(2, id);
       if (res.isSuccess) {
         loadingState
           ..value.data!.removeAt(index)
diff --git a/lib/pages/msg_feed_top/at_me/view.dart b/lib/pages/msg_feed_top/at_me/view.dart
index e4952b814..8227de09a 100644
--- a/lib/pages/msg_feed_top/at_me/view.dart
+++ b/lib/pages/msg_feed_top/at_me/view.dart
@@ -84,7 +84,7 @@ class _AtMePageState extends State<AtMePage> {
         itemCount: 12,
         itemBuilder: (context, index) => const MsgFeedTopSkeleton(),
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.separated(
                 itemCount: response.length,
@@ -175,7 +175,7 @@ class _AtMePageState extends State<AtMePage> {
                 separatorBuilder: (context, index) => divider,
               )
             : HttpError(onReload: _atMeController.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _atMeController.onReload,
       ),
diff --git a/lib/pages/msg_feed_top/like_detail/view.dart b/lib/pages/msg_feed_top/like_detail/view.dart
index 0bb14a864..c4f55fc2a 100644
--- a/lib/pages/msg_feed_top/like_detail/view.dart
+++ b/lib/pages/msg_feed_top/like_detail/view.dart
@@ -66,7 +66,7 @@ class _LikeDetailPageState extends State<LikeDetailPage> {
         itemCount: 12,
         itemBuilder: (context, index) => const MsgFeedTopSkeleton(),
       ),
-      Success(:var response) => SliverMainAxisGroup(
+      Success(:final response) => SliverMainAxisGroup(
         slivers: [
           if (_controller.card != null) ...[
             _buildCard(_controller.card!),
@@ -89,7 +89,7 @@ class _LikeDetailPageState extends State<LikeDetailPage> {
           ),
         ],
       ),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/msg_feed_top/like_me/controller.dart b/lib/pages/msg_feed_top/like_me/controller.dart
index 3edf0db9c..f9de1f08f 100644
--- a/lib/pages/msg_feed_top/like_me/controller.dart
+++ b/lib/pages/msg_feed_top/like_me/controller.dart
@@ -65,7 +65,7 @@ class LikeMeController
 
   Future<void> onRemove(dynamic id, int index, bool isLatest) async {
     try {
-      var res = await MsgHttp.delMsgfeed(0, id);
+      final res = await MsgHttp.delMsgfeed(0, id);
       if (res.isSuccess) {
         Pair<List<MsgLikeItem>, List<MsgLikeItem>> pair =
             loadingState.value.data;
@@ -84,7 +84,7 @@ class LikeMeController
 
   Future<void> onSetNotice(MsgLikeItem item, bool isNotice) async {
     int noticeState = isNotice ? 1 : 0;
-    var res = await MsgHttp.msgSetNotice(
+    final res = await MsgHttp.msgSetNotice(
       id: item.id!,
       noticeState: noticeState,
     );
diff --git a/lib/pages/msg_feed_top/like_me/view.dart b/lib/pages/msg_feed_top/like_me/view.dart
index edacd7a73..8aad8a94a 100644
--- a/lib/pages/msg_feed_top/like_me/view.dart
+++ b/lib/pages/msg_feed_top/like_me/view.dart
@@ -82,7 +82,7 @@ class _LikeMePageState extends State<LikeMePage> {
         itemCount: 12,
         itemBuilder: (context, index) => const MsgFeedTopSkeleton(),
       ),
-      Success(:var response) => Builder(
+      Success(:final response) => Builder(
         builder: (context) {
           Pair<List<MsgLikeItem>, List<MsgLikeItem>> pair = response;
           List<MsgLikeItem> latest = pair.first;
@@ -134,7 +134,7 @@ class _LikeMePageState extends State<LikeMePage> {
           return HttpError(onReload: _likeMeController.onReload);
         },
       ),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _likeMeController.onReload,
       ),
diff --git a/lib/pages/msg_feed_top/reply_me/controller.dart b/lib/pages/msg_feed_top/reply_me/controller.dart
index b84fcd6ae..925c20592 100644
--- a/lib/pages/msg_feed_top/reply_me/controller.dart
+++ b/lib/pages/msg_feed_top/reply_me/controller.dart
@@ -39,7 +39,7 @@ class ReplyMeController
 
   Future<void> onRemove(dynamic id, int index) async {
     try {
-      var res = await MsgHttp.delMsgfeed(1, id);
+      final res = await MsgHttp.delMsgfeed(1, id);
       if (res.isSuccess) {
         loadingState
           ..value.data!.removeAt(index)
diff --git a/lib/pages/msg_feed_top/reply_me/view.dart b/lib/pages/msg_feed_top/reply_me/view.dart
index 20d53cf4e..32932c7a6 100644
--- a/lib/pages/msg_feed_top/reply_me/view.dart
+++ b/lib/pages/msg_feed_top/reply_me/view.dart
@@ -84,7 +84,7 @@ class _ReplyMePageState extends State<ReplyMePage> {
         itemCount: 12,
         itemBuilder: (context, index) => const MsgFeedTopSkeleton(),
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.separated(
                 itemCount: response.length,
@@ -199,7 +199,7 @@ class _ReplyMePageState extends State<ReplyMePage> {
                 separatorBuilder: (context, index) => divider,
               )
             : HttpError(onReload: _replyMeController.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _replyMeController.onReload,
       ),
diff --git a/lib/pages/msg_feed_top/sys_msg/controller.dart b/lib/pages/msg_feed_top/sys_msg/controller.dart
index 8c7cfcd97..234183306 100644
--- a/lib/pages/msg_feed_top/sys_msg/controller.dart
+++ b/lib/pages/msg_feed_top/sys_msg/controller.dart
@@ -36,7 +36,7 @@ class SysMsgController
 
   Future<void> onRemove(dynamic id, int index) async {
     try {
-      var res = await MsgHttp.delSysMsg(id);
+      final res = await MsgHttp.delSysMsg(id);
       if (res.isSuccess) {
         loadingState
           ..value.data!.removeAt(index)
diff --git a/lib/pages/msg_feed_top/sys_msg/view.dart b/lib/pages/msg_feed_top/sys_msg/view.dart
index 9888db6bd..850514a4a 100644
--- a/lib/pages/msg_feed_top/sys_msg/view.dart
+++ b/lib/pages/msg_feed_top/sys_msg/view.dart
@@ -70,7 +70,7 @@ class _SysMsgPageState extends State<SysMsgPage> {
           itemBuilder: (context, index) => const MsgFeedSysMsgSkeleton(),
         ),
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.separated(
                 itemCount: response.length,
@@ -125,7 +125,7 @@ class _SysMsgPageState extends State<SysMsgPage> {
                 separatorBuilder: (context, index) => divider,
               )
             : HttpError(onReload: _sysMsgController.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _sysMsgController.onReload,
       ),
diff --git a/lib/pages/music/video/view.dart b/lib/pages/music/video/view.dart
index 51787080b..a04faf342 100644
--- a/lib/pages/music/video/view.dart
+++ b/lib/pages/music/video/view.dart
@@ -57,7 +57,7 @@ class _MusicRecommendPageState extends State<MusicRecommendPage>
   Widget _buildBody(LoadingState<List<BgmRecommend>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -66,7 +66,7 @@ class _MusicRecommendPageState extends State<MusicRecommendPage>
                 itemCount: response.length,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/music/view.dart b/lib/pages/music/view.dart
index 67e38b4d5..c5f58cb1b 100644
--- a/lib/pages/music/view.dart
+++ b/lib/pages/music/view.dart
@@ -469,7 +469,7 @@ class _MusicDetailPageState extends CommonDynPageState<MusicDetailPage> {
                           runSpacing: 2,
                           children: [
                             if (!item.artistsList.isNullOrEmpty)
-                              for (var artist in item.artistsList!)
+                              for (final artist in item.artistsList!)
                                 _buildArtist(artist, textTheme.bodySmall),
                             if (!item.musicPublish.isNullOrEmpty)
                               Text(
diff --git a/lib/pages/pgc/controller.dart b/lib/pages/pgc/controller.dart
index 831e166c9..189bb1e26 100644
--- a/lib/pages/pgc/controller.dart
+++ b/lib/pages/pgc/controller.dart
@@ -74,8 +74,8 @@ class PgcController
       PgcHttp.pgcTimeline(types: 1, before: 6, after: 6),
       PgcHttp.pgcTimeline(types: 4, before: 6, after: 6),
     ]);
-    var list1 = res.first.dataOrNull;
-    var list2 = res[1].dataOrNull;
+    final list1 = res.first.dataOrNull;
+    final list2 = res[1].dataOrNull;
     if (list1 != null &&
         list2 != null &&
         list1.isNotEmpty &&
@@ -83,10 +83,8 @@ class PgcController
       for (var i = 0; i < list1.length; i++) {
         list1[i].addAll(list2[i]);
       }
-    } else {
-      list1 ??= list2;
     }
-    timelineState.value = Success(list1);
+    timelineState.value = Success(list1 ?? list2);
   }
 
   // 我的订阅
@@ -97,7 +95,7 @@ class PgcController
       return;
     }
     followLoading = true;
-    var res = await FavHttp.favPgc(
+    final res = await FavHttp.favPgc(
       type: tabType == HomeTabType.bangumi ? 1 : 2,
       pn: followPage,
     );
diff --git a/lib/pages/pgc/view.dart b/lib/pages/pgc/view.dart
index 5c1786478..2d1f88e44 100644
--- a/lib/pages/pgc/view.dart
+++ b/lib/pages/pgc/view.dart
@@ -83,7 +83,7 @@ class _PgcPageState extends CommonPageState<PgcPage, PgcController>
     LoadingState<List<TimelineResult>?> loadingState,
   ) => switch (loadingState) {
     Loading() => loadingWidget,
-    Success(:var response) =>
+    Success(:final response) =>
       response != null && response.isNotEmpty
           ? Builder(
               builder: (context) {
@@ -189,7 +189,7 @@ class _PgcPageState extends CommonPageState<PgcPage, PgcController>
               },
             )
           : const SizedBox.shrink(),
-    Error(:var errMsg) => GestureDetector(
+    Error(:final errMsg) => GestureDetector(
       behavior: HitTestBehavior.opaque,
       onTap: controller.queryPgcTimeline,
       child: Container(
@@ -310,7 +310,7 @@ class _PgcPageState extends CommonPageState<PgcPage, PgcController>
   Widget _buildRcmdBody(LoadingState<List<PgcIndexItem>?> loadingState) {
     return switch (loadingState) {
       Loading() => const SliverToBoxAdapter(),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -323,7 +323,7 @@ class _PgcPageState extends CommonPageState<PgcPage, PgcController>
                 itemCount: response.length,
               )
             : HttpError(onReload: controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: controller.onReload,
       ),
@@ -397,7 +397,7 @@ class _PgcPageState extends CommonPageState<PgcPage, PgcController>
   Widget _buildFollowBody(LoadingState<List<FavPgcItemModel>?> loadingState) {
     return switch (loadingState) {
       Loading() => loadingWidget,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? ListView.builder(
                 controller: controller.followController,
@@ -427,7 +427,7 @@ class _PgcPageState extends CommonPageState<PgcPage, PgcController>
                   '还没有${widget.tabType == HomeTabType.bangumi ? '追番' : '追剧'}',
                 ),
               ),
-      Error(:var errMsg) => Container(
+      Error(:final errMsg) => Container(
         padding: const EdgeInsets.symmetric(horizontal: 16),
         alignment: Alignment.center,
         child: Text(
diff --git a/lib/pages/pgc_index/controller.dart b/lib/pages/pgc_index/controller.dart
index 5ba8beb62..4d0c4de1a 100644
--- a/lib/pages/pgc_index/controller.dart
+++ b/lib/pages/pgc_index/controller.dart
@@ -25,7 +25,7 @@ class PgcIndexController
   }
 
   Future<void> getPgcIndexCondition() async {
-    var res = await PgcHttp.pgcIndexCondition(
+    final res = await PgcHttp.pgcIndexCondition(
       seasonType: indexType == null ? 1 : null,
       type: 0,
       indexType: indexType,
diff --git a/lib/pages/pgc_index/view.dart b/lib/pages/pgc_index/view.dart
index d571f21f6..1b48e12b6 100644
--- a/lib/pages/pgc_index/view.dart
+++ b/lib/pages/pgc_index/view.dart
@@ -53,7 +53,7 @@ class _PgcIndexPageState extends State<PgcIndexPage>
     final padding = MediaQuery.viewPaddingOf(context);
     return switch (loadingState) {
       Loading() => loadingWidget,
-      Success(:var response) => Builder(
+      Success(:final response) => Builder(
         builder: (context) {
           int count =
               (response.order?.isNotEmpty == true ? 1 : 0) +
@@ -90,7 +90,7 @@ class _PgcIndexPageState extends State<PgcIndexPage>
           );
         },
       ),
-      Error(:var errMsg) => scrollErrorWidget(
+      Error(:final errMsg) => scrollErrorWidget(
         errMsg: errMsg,
         onReload: () => _ctr
           ..conditionState.value = LoadingState.loading()
@@ -105,7 +105,7 @@ class _PgcIndexPageState extends State<PgcIndexPage>
     PgcIndexConditionData data,
     item,
   ) {
-    if (item case PgcConditionOrder e) {
+    if (item case final PgcConditionOrder e) {
       return Obx(
         () {
           final isCurr = _ctr.indexParams['order'] == e.field;
@@ -128,7 +128,7 @@ class _PgcIndexPageState extends State<PgcIndexPage>
         },
       );
     }
-    if (item case PgcConditionValue e) {
+    if (item case final PgcConditionValue e) {
       final hasOrder = data.order?.isNotEmpty == true;
       if (hasOrder) index -= 1;
       final key = data.filter![index].field!;
@@ -239,7 +239,7 @@ class _PgcIndexPageState extends State<PgcIndexPage>
   Widget _buildList(LoadingState<List<PgcIndexItem>?> loadingState) {
     return switch (loadingState) {
       Loading() => linearLoading,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -252,7 +252,7 @@ class _PgcIndexPageState extends State<PgcIndexPage>
                 itemCount: response.length,
               )
             : HttpError(onReload: _ctr.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _ctr.onReload,
       ),
diff --git a/lib/pages/pgc_review/child/controller.dart b/lib/pages/pgc_review/child/controller.dart
index 95c7279fb..92b5daa29 100644
--- a/lib/pages/pgc_review/child/controller.dart
+++ b/lib/pages/pgc_review/child/controller.dart
@@ -60,7 +60,7 @@ class PgcReviewController
   );
 
   Future<void> onLike(PgcReviewItemModel item, bool isLike, reviewId) async {
-    var res = await PgcHttp.pgcReviewLike(
+    final res = await PgcHttp.pgcReviewLike(
       mediaId: mediaId,
       reviewId: reviewId,
     );
@@ -83,7 +83,7 @@ class PgcReviewController
     bool isDislike,
     reviewId,
   ) async {
-    var res = await PgcHttp.pgcReviewDislike(
+    final res = await PgcHttp.pgcReviewDislike(
       mediaId: mediaId,
       reviewId: reviewId,
     );
@@ -102,7 +102,7 @@ class PgcReviewController
   }
 
   Future<void> onDel(int index, int reviewId) async {
-    var res = await PgcHttp.pgcReviewDel(
+    final res = await PgcHttp.pgcReviewDel(
       mediaId: mediaId,
       reviewId: reviewId,
     );
diff --git a/lib/pages/pgc_review/child/view.dart b/lib/pages/pgc_review/child/view.dart
index 0799e649c..55edf9a5c 100644
--- a/lib/pages/pgc_review/child/view.dart
+++ b/lib/pages/pgc_review/child/view.dart
@@ -88,7 +88,7 @@ class _PgcReviewChildPageState extends State<PgcReviewChildPage>
         itemBuilder: (_, _) => const VideoReplySkeleton(),
         itemCount: 8,
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.separated(
                 itemBuilder: (context, index) {
@@ -101,7 +101,7 @@ class _PgcReviewChildPageState extends State<PgcReviewChildPage>
                 separatorBuilder: (context, index) => divider,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/pgc_review/post/view.dart b/lib/pages/pgc_review/post/view.dart
index 0a420315d..e60d6be3b 100644
--- a/lib/pages/pgc_review/post/view.dart
+++ b/lib/pages/pgc_review/post/view.dart
@@ -222,7 +222,7 @@ class _PgcReviewPostPanelState extends State<PgcReviewPostPanel> {
 
   Future<void> _onPost() async {
     if (_isMod) {
-      var res = await PgcHttp.pgcReviewMod(
+      final res = await PgcHttp.pgcReviewMod(
         mediaId: widget.mediaId,
         score: _score.value * 2,
         content: _controller.text,
@@ -240,7 +240,7 @@ class _PgcReviewPostPanelState extends State<PgcReviewPostPanel> {
       SmartDialog.showToast('账号未登录');
       return;
     }
-    var res = await PgcHttp.pgcReviewPost(
+    final res = await PgcHttp.pgcReviewPost(
       mediaId: widget.mediaId,
       score: _score.value * 2,
       content: _controller.text,
diff --git a/lib/pages/popular_precious/view.dart b/lib/pages/popular_precious/view.dart
index 2427d000c..aee184759 100644
--- a/lib/pages/popular_precious/view.dart
+++ b/lib/pages/popular_precious/view.dart
@@ -45,7 +45,7 @@ class _PopularPreciousPageState extends State<PopularPreciousPage>
     switch (value) {
       case Loading():
         return gridSkeleton;
-      case Success<List<HotVideoItemModel>?>(:var response):
+      case Success<List<HotVideoItemModel>?>(:final response):
         return SliverGrid.builder(
           gridDelegate: gridDelegate,
           itemCount: response!.length,
@@ -70,7 +70,7 @@ class _PopularPreciousPageState extends State<PopularPreciousPage>
             );
           },
         );
-      case Error(:var errMsg):
+      case Error(:final errMsg):
         return HttpError(
           errMsg: errMsg,
           onReload: _controller.onReload,
diff --git a/lib/pages/popular_series/view.dart b/lib/pages/popular_series/view.dart
index 5ed9c7cf1..2e5cda24a 100644
--- a/lib/pages/popular_series/view.dart
+++ b/lib/pages/popular_series/view.dart
@@ -57,7 +57,7 @@ class _PopularSeriesPageState extends State<PopularSeriesPage> with GridMixin {
     switch (value) {
       case Loading():
         return gridSkeleton;
-      case Success<List<HotVideoItemModel>?>(:var response):
+      case Success<List<HotVideoItemModel>?>(:final response):
         Widget sliver;
         if (response != null && response.isNotEmpty) {
           sliver = SliverGrid.builder(
@@ -97,7 +97,7 @@ class _PopularSeriesPageState extends State<PopularSeriesPage> with GridMixin {
           );
         }
         return sliver;
-      case Error(:var errMsg):
+      case Error(:final errMsg):
         return HttpError(
           errMsg: errMsg,
           onReload: _controller.onReload,
diff --git a/lib/pages/rank/zone/view.dart b/lib/pages/rank/zone/view.dart
index 99903e7cc..70427b751 100644
--- a/lib/pages/rank/zone/view.dart
+++ b/lib/pages/rank/zone/view.dart
@@ -54,7 +54,7 @@ class _ZonePageState extends CommonPageState<ZonePage, ZoneController>
   Widget _buildBody(LoadingState<List<dynamic>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -73,7 +73,7 @@ class _ZonePageState extends CommonPageState<ZonePage, ZoneController>
                 itemCount: response.length,
               )
             : HttpError(onReload: controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: controller.onReload,
       ),
diff --git a/lib/pages/rcmd/view.dart b/lib/pages/rcmd/view.dart
index 5c49e4dd5..66a1140b0 100644
--- a/lib/pages/rcmd/view.dart
+++ b/lib/pages/rcmd/view.dart
@@ -65,7 +65,7 @@ class _RcmdPageState extends CommonPageState<RcmdPage, RcmdController>
   Widget _buildBody(LoadingState<List<dynamic>?> loadingState) {
     return switch (loadingState) {
       Loading() => _buildSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -130,7 +130,7 @@ class _RcmdPageState extends CommonPageState<RcmdPage, RcmdController>
                     : response.length,
               )
             : HttpError(onReload: controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: controller.onReload,
       ),
diff --git a/lib/pages/save_panel/view.dart b/lib/pages/save_panel/view.dart
index 3a537440b..a023cf800 100644
--- a/lib/pages/save_panel/view.dart
+++ b/lib/pages/save_panel/view.dart
@@ -90,7 +90,7 @@ class _SavePanelState extends State<SavePanel> {
   @override
   void initState() {
     super.initState();
-    if (_item case ReplyInfo reply) {
+    if (_item case final ReplyInfo reply) {
       itemType = '评论';
       final currentRoute = Get.currentRoute;
       late final hasRoot = reply.hasRoot();
@@ -219,7 +219,7 @@ class _SavePanelState extends State<SavePanel> {
       }
 
       if (kDebugMode) debugPrint(uri);
-    } else if (_item case DynamicItemModel i) {
+    } else if (_item case final DynamicItemModel i) {
       uri = parseDyn(i);
 
       if (kDebugMode) debugPrint(uri);
@@ -299,7 +299,7 @@ class _SavePanelState extends State<SavePanel> {
       RenderRepaintBoundary boundary =
           boundaryKey.currentContext!.findRenderObject()
               as RenderRepaintBoundary;
-      var image = await boundary.toImage(pixelRatio: 3);
+      final image = await boundary.toImage(pixelRatio: 3);
       ByteData? byteData = await image.toByteData(format: ImageByteFormat.png);
       Uint8List pngBytes = byteData!.buffer.asUint8List();
       String picName =
@@ -375,7 +375,7 @@ class _SavePanelState extends State<SavePanel> {
                         mainAxisSize: MainAxisSize.min,
                         crossAxisAlignment: CrossAxisAlignment.start,
                         children: [
-                          if (_item case ReplyInfo reply)
+                          if (_item case final ReplyInfo reply)
                             IgnorePointer(
                               child: ReplyItemGrpc(
                                 replyItem: reply,
@@ -384,7 +384,7 @@ class _SavePanelState extends State<SavePanel> {
                                 upMid: widget.upMid,
                               ),
                             )
-                          else if (_item case DynamicItemModel dyn)
+                          else if (_item case final DynamicItemModel dyn)
                             IgnorePointer(
                               child: DynamicPanel(
                                 item: dyn,
diff --git a/lib/pages/search/controller.dart b/lib/pages/search/controller.dart
index 9e6bf4b6d..87616cdac 100644
--- a/lib/pages/search/controller.dart
+++ b/lib/pages/search/controller.dart
@@ -215,7 +215,7 @@ class SSearchController extends GetxController
 
   @override
   Future<void> onValueChanged(String value) async {
-    var res = await SearchHttp.searchSuggest(term: value);
+    final res = await SearchHttp.searchSuggest(term: value);
     if (res case Success(:final response)) {
       if (response.tag?.isNotEmpty == true) {
         searchSuggestList.value = response.tag!;
diff --git a/lib/pages/search/view.dart b/lib/pages/search/view.dart
index 8c3417baf..d6bef8b00 100644
--- a/lib/pages/search/view.dart
+++ b/lib/pages/search/view.dart
@@ -416,7 +416,7 @@ class _SearchPageState extends State<SearchPage> {
     bool isTrending,
   ) {
     return switch (loadingState) {
-      Success(:var response) =>
+      Success(:final response) =>
         response.list?.isNotEmpty == true
             ? LayoutBuilder(
                 builder: (context, constraints) => HotKeyword(
@@ -426,7 +426,7 @@ class _SearchPageState extends State<SearchPage> {
                 ),
               )
             : const SizedBox.shrink(),
-      Error(:var errMsg) => errorWidget(
+      Error(:final errMsg) => errorWidget(
         errMsg: errMsg,
         onReload: isTrending
             ? _searchController.queryTrendingList
diff --git a/lib/pages/search/widgets/hot_keyword.dart b/lib/pages/search/widgets/hot_keyword.dart
index b95921fb9..3d1c3f59a 100644
--- a/lib/pages/search/widgets/hot_keyword.dart
+++ b/lib/pages/search/widgets/hot_keyword.dart
@@ -25,7 +25,7 @@ class HotKeyword extends StatelessWidget {
       runSpacing: 0.4,
       spacing: 5.0,
       children: [
-        for (var i in hotSearchList)
+        for (final i in hotSearchList)
           SizedBox(
             width: width,
             child: Material(
diff --git a/lib/pages/search_panel/video/view.dart b/lib/pages/search_panel/video/view.dart
index 3c17ffad7..58e4bf6bc 100644
--- a/lib/pages/search_panel/video/view.dart
+++ b/lib/pages/search_panel/video/view.dart
@@ -57,7 +57,7 @@ class _SearchVideoPanelState
                   scrollDirection: Axis.horizontal,
                   child: Wrap(
                     children: [
-                      for (var e in ArchiveFilterType.values)
+                      for (final e in ArchiveFilterType.values)
                         Obx(
                           () => SearchText(
                             fontSize: 13,
diff --git a/lib/pages/search_panel/view.dart b/lib/pages/search_panel/view.dart
index 7e241807d..d818e70e4 100644
--- a/lib/pages/search_panel/view.dart
+++ b/lib/pages/search_panel/view.dart
@@ -59,11 +59,11 @@ abstract class CommonSearchPanelState<
   Widget _buildBody(ThemeData theme, LoadingState<List<T>?> loadingState) {
     return switch (loadingState) {
       Loading() => buildLoading,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? buildList(theme, response)
             : HttpError(onReload: controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: controller.onReload,
       ),
diff --git a/lib/pages/search_trending/view.dart b/lib/pages/search_trending/view.dart
index 923e6bb75..da0957b08 100644
--- a/lib/pages/search_trending/view.dart
+++ b/lib/pages/search_trending/view.dart
@@ -153,7 +153,7 @@ class _SearchTrendingPageState extends State<SearchTrendingPage> {
     );
     return switch (loadingState) {
       Loading() => linearLoading,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.separated(
                 itemCount: response.length,
@@ -219,7 +219,7 @@ class _SearchTrendingPageState extends State<SearchTrendingPage> {
                 separatorBuilder: (context, index) => divider,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/setting/models/privacy_settings.dart b/lib/pages/setting/models/privacy_settings.dart
index 9ede6c1a3..2974ffd1d 100644
--- a/lib/pages/setting/models/privacy_settings.dart
+++ b/lib/pages/setting/models/privacy_settings.dart
@@ -60,7 +60,7 @@ List<SettingsModel> get privacySettings => [
 Widget _getAccountDetail(BuildContext context) {
   final slivers = <Widget>[];
   final theme = TextTheme.of(context);
-  for (var i in AccountType.values) {
+  for (final i in AccountType.values) {
     final url = ApiType.apiTypeSet[i];
     if (url == null) continue;
 
diff --git a/lib/pages/setting/models/style_settings.dart b/lib/pages/setting/models/style_settings.dart
index efb5473ec..00e352e22 100644
--- a/lib/pages/setting/models/style_settings.dart
+++ b/lib/pages/setting/models/style_settings.dart
@@ -300,7 +300,7 @@ List<SettingsModel> get styleSettings => [
           return MultiSelectDialog<MsgUnReadType>(
             title: '消息未读类型',
             initValues: Pref.msgUnReadTypeV2,
-            values: {for (var i in MsgUnReadType.values) i: i.title},
+            values: {for (final i in MsgUnReadType.values) i: i.title},
           );
         },
       );
diff --git a/lib/pages/setting/models/video_settings.dart b/lib/pages/setting/models/video_settings.dart
index 8c228b55d..9d0c438f7 100644
--- a/lib/pages/setting/models/video_settings.dart
+++ b/lib/pages/setting/models/video_settings.dart
@@ -376,7 +376,7 @@ List<SettingsModel> get videoSettings => [
             title: '硬解模式',
             initValues: Pref.hardwareDecoding.split(','),
             values: {
-              for (var e in HwDecType.values) e.hwdec: '${e.hwdec}\n${e.desc}',
+              for (final e in HwDecType.values) e.hwdec: '${e.hwdec}\n${e.desc}',
             },
           );
         },
diff --git a/lib/pages/setting/pages/bar_set.dart b/lib/pages/setting/pages/bar_set.dart
index 51b730df4..0dfaa95f3 100644
--- a/lib/pages/setting/pages/bar_set.dart
+++ b/lib/pages/setting/pages/bar_set.dart
@@ -28,7 +28,7 @@ class _BarSetPageState extends State<BarSetPage> {
         .map((e) => Pair(first: e, second: cache?.contains(e.index) ?? true))
         .toList();
     if (cache != null && cache.isNotEmpty) {
-      final cacheIndex = {for (var (k, v) in cache.indexed) v: k};
+      final cacheIndex = {for (final (k, v) in cache.indexed) v: k};
       list.sort((a, b) {
         final indexA = cacheIndex[a.first.index] ?? cacheIndex.length;
         final indexB = cacheIndex[b.first.index] ?? cacheIndex.length;
diff --git a/lib/pages/setting/pages/display_mode.dart b/lib/pages/setting/pages/display_mode.dart
index 5847492b0..05adb68cb 100644
--- a/lib/pages/setting/pages/display_mode.dart
+++ b/lib/pages/setting/pages/display_mode.dart
@@ -45,7 +45,7 @@ class _SetDisplayModeState extends State<SetDisplayMode> {
       if (kDebugMode) debugPrint(e.toString());
     }
 
-    var value = setting.get(SettingBoxKey.displayMode);
+    final value = setting.get(SettingBoxKey.displayMode);
     if (value != null) {
       preferred = modes.firstWhereOrNull((e) => e.toString() == value);
     }
diff --git a/lib/pages/setting/view.dart b/lib/pages/setting/view.dart
index 15d2cf47e..0d8fec03f 100644
--- a/lib/pages/setting/view.dart
+++ b/lib/pages/setting/view.dart
@@ -218,7 +218,7 @@ class _SettingPageState extends State<SettingPage> {
         return MultiSelectDialog<LoginAccount>(
           title: '选择要登出的账号uid',
           initValues: const Iterable.empty(),
-          values: {for (var i in Accounts.account.values) i: i.mid.toString()},
+          values: {for (final i in Accounts.account.values) i: i.mid.toString()},
         );
       },
     );
diff --git a/lib/pages/setting/widgets/ordered_multi_select_dialog.dart b/lib/pages/setting/widgets/ordered_multi_select_dialog.dart
index b1c7639c7..6d8900c16 100644
--- a/lib/pages/setting/widgets/ordered_multi_select_dialog.dart
+++ b/lib/pages/setting/widgets/ordered_multi_select_dialog.dart
@@ -27,7 +27,7 @@ class _OrderedMultiSelectDialogState<T>
   @override
   void initState() {
     super.initState();
-    _tempValues = {for (var (i, j) in widget.initValues.indexed) j: i + 1};
+    _tempValues = {for (final (i, j) in widget.initValues.indexed) j: i + 1};
   }
 
   @override
diff --git a/lib/pages/space_setting/controller.dart b/lib/pages/space_setting/controller.dart
index f5c48e33d..c2f31b445 100644
--- a/lib/pages/space_setting/controller.dart
+++ b/lib/pages/space_setting/controller.dart
@@ -31,11 +31,11 @@ class SpaceSettingController
     if ((hasMod ?? false) && loadingState.value.isSuccess) {
       Privacy? data = loadingState.value.data;
       if (data != null) {
-        var res = await UserHttp.spaceSettingMod(
+        final res = await UserHttp.spaceSettingMod(
           {
-            for (var e in data.list1) e.key: e.value,
-            for (var e in data.list2) e.key: e.value,
-            for (var e in data.list3) e.key: e.value,
+            for (final e in data.list1) e.key: e.value,
+            for (final e in data.list2) e.key: e.value,
+            for (final e in data.list3) e.key: e.value,
           },
         );
         if (!res.isSuccess) {
diff --git a/lib/pages/space_setting/view.dart b/lib/pages/space_setting/view.dart
index 81ede14e7..4cfb6555d 100644
--- a/lib/pages/space_setting/view.dart
+++ b/lib/pages/space_setting/view.dart
@@ -36,7 +36,7 @@ class _SpaceSettingPageState extends State<SpaceSettingPage> {
   Widget _buildBody(ThemeData theme, LoadingState<Privacy?> loadingState) {
     return switch (loadingState) {
       Loading() => const SizedBox.shrink(),
-      Success<Privacy?>(:var response) =>
+      Success<Privacy?>(:final response) =>
         response == null
             ? scrollErrorWidget(onReload: _controller.onReload)
             : Builder(
@@ -88,7 +88,7 @@ class _SpaceSettingPageState extends State<SpaceSettingPage> {
                   );
                 },
               ),
-      Error(:var errMsg) => scrollErrorWidget(
+      Error(:final errMsg) => scrollErrorWidget(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/subscription/controller.dart b/lib/pages/subscription/controller.dart
index aef855ba5..c14cc2900 100644
--- a/lib/pages/subscription/controller.dart
+++ b/lib/pages/subscription/controller.dart
@@ -44,7 +44,7 @@ class SubController extends CommonListController<SubData, SubItemModel> {
           ),
           TextButton(
             onPressed: () async {
-              var res = await FavHttp.cancelSub(
+              final res = await FavHttp.cancelSub(
                 id: subFolderItem.id!,
                 type: subFolderItem.type!,
               );
diff --git a/lib/pages/subscription/view.dart b/lib/pages/subscription/view.dart
index 2e61ddb33..6d9ef4d63 100644
--- a/lib/pages/subscription/view.dart
+++ b/lib/pages/subscription/view.dart
@@ -43,7 +43,7 @@ class _SubPageState extends State<SubPage> with GridMixin {
   Widget _buildBody(LoadingState<List<SubItemModel>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -60,7 +60,7 @@ class _SubPageState extends State<SubPage> with GridMixin {
                 itemCount: response.length,
               )
             : HttpError(onReload: _subController.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _subController.onReload,
       ),
diff --git a/lib/pages/subscription_detail/view.dart b/lib/pages/subscription_detail/view.dart
index 688f69301..1c0c19be0 100644
--- a/lib/pages/subscription_detail/view.dart
+++ b/lib/pages/subscription_detail/view.dart
@@ -73,7 +73,7 @@ class _SubDetailPageState extends State<SubDetailPage> with GridMixin {
   Widget _buildBody(LoadingState<List<SubDetailItemModel>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -88,7 +88,7 @@ class _SubDetailPageState extends State<SubDetailPage> with GridMixin {
                 itemCount: response.length,
               )
             : HttpError(onReload: _subDetailController.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _subDetailController.onReload,
       ),
diff --git a/lib/pages/video/controller.dart b/lib/pages/video/controller.dart
index ab19d455f..b49d6ead9 100644
--- a/lib/pages/video/controller.dart
+++ b/lib/pages/video/controller.dart
@@ -353,7 +353,7 @@ class VideoDetailController extends GetxController
     if (!isReverse && count != null && mediaList.length >= count) {
       return;
     }
-    var res = await UserHttp.getMediaList(
+    final res = await UserHttp.getMediaList(
       type: args['mediaType'] ?? sourceType.mediaType,
       bizId: args['mediaId'] ?? -1,
       ps: 20,
@@ -384,7 +384,7 @@ class VideoDetailController extends GetxController
       if (response.mediaList.isNotEmpty) {
         if (isReverse) {
           mediaList.value = response.mediaList;
-          for (var item in mediaList) {
+          for (final item in mediaList) {
             if (item.cid != null) {
               try {
                 Get.find<UgcIntroController>(
@@ -432,7 +432,7 @@ class VideoDetailController extends GetxController
                 (sourceType == SourceType.fav && args['isOwner'] == true)
             ? (item, index) async {
                 if (sourceType == SourceType.watchLater) {
-                  var res = await UserHttp.toViewDel(
+                  final res = await UserHttp.toViewDel(
                     aids: item.aid.toString(),
                   );
                   if (res['status']) {
@@ -440,7 +440,7 @@ class VideoDetailController extends GetxController
                   }
                   SmartDialog.showToast(res['msg']);
                 } else {
-                  var res = await FavHttp.favVideo(
+                  final res = await FavHttp.favVideo(
                     resources: '${item.aid}:${item.type}',
                     delIds: '${args['mediaId']}',
                   );
@@ -1066,7 +1066,7 @@ class VideoDetailController extends GetxController
     ).codes;
 
     VideoItem? video;
-    for (var i in videoList) {
+    for (final i in videoList) {
       final codec = i.codecs!;
       if (currentDecodeFormats.any(codec.startsWith)) {
         video = i;
@@ -1233,7 +1233,7 @@ class VideoDetailController extends GetxController
             : Pref.defaultAudioQaCellular;
     }
 
-    var result = await VideoHttp.videoUrl(
+    final result = await VideoHttp.videoUrl(
       cid: cid.value,
       bvid: bvid,
       epid: epId,
@@ -1479,7 +1479,7 @@ class VideoDetailController extends GetxController
     if (subtitle != null) {
       await setSub(subtitle);
     } else {
-      var result = await VideoHttp.vttSubtitles(
+      final result = await VideoHttp.vttSubtitles(
         subtitles[index - 1].subtitleUrl!,
       );
       if (result != null) {
@@ -1497,7 +1497,7 @@ class VideoDetailController extends GetxController
   Future<void> getSteinEdgeInfo([int? edgeId]) async {
     steinEdgeInfo = null;
     try {
-      var res = await Request().get(
+      final res = await Request().get(
         '/x/stein/edgeinfo_v2',
         queryParameters: {
           'bvid': bvid,
@@ -1525,7 +1525,7 @@ class VideoDetailController extends GetxController
     if (plPlayerController.showViewPoints) {
       viewPointList.clear();
     }
-    var res = await VideoHttp.playInfo(
+    final res = await VideoHttp.playInfo(
       bvid: bvid,
       cid: cid.value,
       seasonId: seasonId,
@@ -1725,7 +1725,7 @@ class VideoDetailController extends GetxController
   Future<void> _getDmTrend() async {
     dmTrend.value = LoadingState<List<double>>.loading();
     try {
-      var res = await Request().get(
+      final res = await Request().get(
         'https://bvc.bilivideo.com/pbp/data',
         queryParameters: {
           'bvid': bvid,
@@ -1793,7 +1793,7 @@ class VideoDetailController extends GetxController
   bool onSkipSegment() {
     try {
       if (plPlayerController.enableBlock) {
-        if (listData.lastOrNull case SegmentModel item) {
+        if (listData.lastOrNull case final SegmentModel item) {
           onSkip(item, isSeek: false);
           onRemoveItem(listData.indexOf(item), item);
           return true;
diff --git a/lib/pages/video/introduction/pgc/controller.dart b/lib/pages/video/introduction/pgc/controller.dart
index 656766433..36c1be338 100644
--- a/lib/pages/video/introduction/pgc/controller.dart
+++ b/lib/pages/video/introduction/pgc/controller.dart
@@ -76,7 +76,7 @@ class PgcIntroController extends CommonIntroController {
 
   // 获取点赞/投币/收藏状态
   Future<void> queryPgcLikeCoinFav() async {
-    var result = await VideoHttp.pgcLikeCoinFav(epId: epId!);
+    final result = await VideoHttp.pgcLikeCoinFav(epId: epId!);
     if (result case Success(:final response)) {
       final hasLike = response.like == 1;
       final hasFav = response.favorite == 1;
@@ -103,7 +103,7 @@ class PgcIntroController extends CommonIntroController {
       return;
     }
     final newVal = !hasLike.value;
-    var result = await VideoHttp.likeVideo(bvid: bvid, type: newVal);
+    final result = await VideoHttp.likeVideo(bvid: bvid, type: newVal);
     if (result case Success(:final response)) {
       SmartDialog.showToast(newVal ? response : '取消赞');
       pgcItem.stat?.like += newVal ? 1 : -1;
@@ -332,7 +332,7 @@ class PgcIntroController extends CommonIntroController {
 
   // 追番
   Future<void> pgcAdd() async {
-    var result = await VideoHttp.pgcAdd(seasonId: pgcItem.seasonId);
+    final result = await VideoHttp.pgcAdd(seasonId: pgcItem.seasonId);
     if (result case Success(:final response)) {
       isFollowed.value = true;
       followStatus.value = 2;
@@ -344,7 +344,7 @@ class PgcIntroController extends CommonIntroController {
 
   // 取消追番
   Future<void> pgcDel() async {
-    var result = await VideoHttp.pgcDel(seasonId: pgcItem.seasonId);
+    final result = await VideoHttp.pgcDel(seasonId: pgcItem.seasonId);
     if (result case Success(:final response)) {
       isFollowed.value = false;
       SmartDialog.showToast(response);
@@ -354,7 +354,7 @@ class PgcIntroController extends CommonIntroController {
   }
 
   Future<void> pgcUpdate(int status) async {
-    var result = await VideoHttp.pgcUpdate(
+    final result = await VideoHttp.pgcUpdate(
       seasonId: pgcItem.seasonId.toString(),
       status: status,
     );
@@ -427,7 +427,7 @@ class PgcIntroController extends CommonIntroController {
       SmartDialog.showToast('已三连');
       return;
     }
-    var result = await VideoHttp.pgcTriple(epId: epId!, seasonId: seasonId);
+    final result = await VideoHttp.pgcTriple(epId: epId!, seasonId: seasonId);
     if (result case Success(:final response)) {
       late final stat = pgcItem.stat;
       if (response.like == 1 && !hasLike.value) {
@@ -455,7 +455,7 @@ class PgcIntroController extends CommonIntroController {
 
   Future<void> queryIsFollowed() async {
     // try {
-    //   var result = await Request().get(
+    //   final result = await Request().get(
     //     'https://www.bilibili.com/bangumi/play/ss$seasonId',
     //   );
     //   dom.Document document = html_parser.parse(result.data);
@@ -473,7 +473,7 @@ class PgcIntroController extends CommonIntroController {
     // ViewGrpc.view(bvid: bvid).then((res) {
     //   if (res.isSuccess) {
     //     ViewPgcAny view = ViewPgcAny.fromBuffer(res.data.supplement.value);
-    //     var userStatus = view.ogvData.userStatus;
+    //     final userStatus = view.ogvData.userStatus;
     //     isFollowed.value = userStatus.follow == 1;
     //     followStatus.value = userStatus.followStatus;
     //   }
diff --git a/lib/pages/video/introduction/ugc/controller.dart b/lib/pages/video/introduction/ugc/controller.dart
index 8ea16b43a..dfdbdc776 100644
--- a/lib/pages/video/introduction/ugc/controller.dart
+++ b/lib/pages/video/introduction/ugc/controller.dart
@@ -89,7 +89,7 @@ class UgcIntroController extends CommonIntroController with ReloadMixin {
   @override
   Future<void> queryVideoIntro() async {
     queryVideoTags();
-    var res = await VideoHttp.videoIntro(bvid: bvid);
+    final res = await VideoHttp.videoIntro(bvid: bvid);
     if (res.isSuccess) {
       VideoDetailData data = res.data;
       videoPlayerServiceHandler?.onVideoDetailChange(data, cid.value, heroTag);
@@ -154,7 +154,7 @@ class UgcIntroController extends CommonIntroController with ReloadMixin {
       if (mid == null) {
         return;
       }
-      var result = await MemberHttp.memberCardInfo(mid: mid);
+      final result = await MemberHttp.memberCardInfo(mid: mid);
       if (result.isSuccess) {
         userStat.value = result.data;
       }
@@ -162,8 +162,8 @@ class UgcIntroController extends CommonIntroController with ReloadMixin {
   }
 
   Future<void> queryAllStatus() async {
-    var result = await VideoHttp.videoRelation(bvid: bvid);
-    if (result case Success(:var response)) {
+    final result = await VideoHttp.videoRelation(bvid: bvid);
+    if (result case Success(:final response)) {
       late final stat = videoDetail.value.stat;
       if (response.like!) {
         stat?.like = max(1, stat.like);
@@ -191,7 +191,7 @@ class UgcIntroController extends CommonIntroController with ReloadMixin {
       SmartDialog.showToast('已三连');
       return;
     }
-    var result = await VideoHttp.ugcTriple(bvid: bvid);
+    final result = await VideoHttp.ugcTriple(bvid: bvid);
     if (result case Success(:final response)) {
       late final stat = videoDetail.value.stat;
       if (response.like == true && !hasLike.value) {
@@ -229,7 +229,7 @@ class UgcIntroController extends CommonIntroController with ReloadMixin {
       return;
     }
     final newVal = !hasLike.value;
-    var result = await VideoHttp.likeVideo(bvid: bvid, type: newVal);
+    final result = await VideoHttp.likeVideo(bvid: bvid, type: newVal);
     if (result case Success(:final response)) {
       SmartDialog.showToast(newVal ? response : '取消赞');
       videoDetail.value.stat?.like += newVal ? 1 : -1;
@@ -247,7 +247,7 @@ class UgcIntroController extends CommonIntroController with ReloadMixin {
       SmartDialog.showToast('账号未登录');
       return;
     }
-    var result = await VideoHttp.dislikeVideo(
+    final result = await VideoHttp.dislikeVideo(
       bvid: bvid,
       type: !hasDislike.value,
     );
@@ -413,7 +413,7 @@ class UgcIntroController extends CommonIntroController with ReloadMixin {
     if (videoDetail.owner == null || videoDetail.staff?.isNotEmpty == true) {
       return;
     }
-    var result = await UserHttp.hasFollow(videoDetail.owner!.mid!);
+    final result = await UserHttp.hasFollow(videoDetail.owner!.mid!);
     if (result['status']) {
       Map data = result['data'];
       if (data['special'] == 1) data['attribute'] = -10;
@@ -437,7 +437,7 @@ class UgcIntroController extends CommonIntroController with ReloadMixin {
     }
     int attr = followStatus['attribute'] ?? 0;
     if (attr == 128) {
-      var res = await VideoHttp.relationMod(
+      final res = await VideoHttp.relationMod(
         mid: mid,
         act: 6,
         reSrc: 11,
diff --git a/lib/pages/video/introduction/ugc/view.dart b/lib/pages/video/introduction/ugc/view.dart
index 7262f71ea..da470c374 100644
--- a/lib/pages/video/introduction/ugc/view.dart
+++ b/lib/pages/video/introduction/ugc/view.dart
@@ -7,6 +7,7 @@ import 'package:PiliPlus/common/widgets/stat/stat.dart';
 import 'package:PiliPlus/http/sponsor_block.dart';
 import 'package:PiliPlus/models/common/image_type.dart';
 import 'package:PiliPlus/models/common/stat_type.dart';
+import 'package:PiliPlus/models_new/video/video_ai_conclusion/model_result.dart';
 import 'package:PiliPlus/models_new/video/video_detail/data.dart';
 import 'package:PiliPlus/models_new/video/video_detail/staff.dart';
 import 'package:PiliPlus/models_new/video/video_tag/data.dart';
@@ -985,9 +986,11 @@ class _UgcIntroPanelState extends State<UgcIntroPanel> {
           if (introController.aiConclusionResult == null) {
             await introController.aiConclusion();
           }
-          if (introController.aiConclusionResult case final res?) {
-            if (res.summary?.isNotEmpty == true ||
-                res.outline?.isNotEmpty == true) {
+          if (introController.aiConclusionResult case AiConclusionResult(
+            :final summary,
+            :final outline,
+          )) {
+            if (summary?.isNotEmpty == true || outline?.isNotEmpty == true) {
               widget.showAiBottomSheet();
             } else {
               SmartDialog.showToast("当前视频不支持AI视频总结");
diff --git a/lib/pages/video/medialist/view.dart b/lib/pages/video/medialist/view.dart
index 0484174ec..25b66c51b 100644
--- a/lib/pages/video/medialist/view.dart
+++ b/lib/pages/video/medialist/view.dart
@@ -139,7 +139,7 @@ class _MediaListPanelState extends State<MediaListPanel>
                         widget.mediaList.length < widget.count!)) {
                   widget.loadMoreMedia();
                 }
-                var item = widget.mediaList[index];
+                final item = widget.mediaList[index];
                 final isCurr = item.bvid == widget.bvid;
                 return _buildItem(theme, index, item, isCurr, showDelBtn);
               },
diff --git a/lib/pages/video/member/controller.dart b/lib/pages/video/member/controller.dart
index 098275237..63bc59ab8 100644
--- a/lib/pages/video/member/controller.dart
+++ b/lib/pages/video/member/controller.dart
@@ -36,7 +36,7 @@ class HorizontalMemberPageController
   }
 
   Future<void> getMemberStat() async {
-    var res = await MemberHttp.memberStat(mid: mid);
+    final res = await MemberHttp.memberStat(mid: mid);
     if (res['status']) {
       userStat.addAll(res['data']);
     }
@@ -46,7 +46,7 @@ class HorizontalMemberPageController
     if (!Accounts.main.isLogin) {
       return;
     }
-    var res = await MemberHttp.memberView(mid: mid);
+    final res = await MemberHttp.memberView(mid: mid);
     if (res['status']) {
       userStat.addAll(res['data']);
     }
diff --git a/lib/pages/video/member/view.dart b/lib/pages/video/member/view.dart
index 95508fc06..8b8d49121 100644
--- a/lib/pages/video/member/view.dart
+++ b/lib/pages/video/member/view.dart
@@ -80,7 +80,7 @@ class _HorizontalMemberPageState extends State<HorizontalMemberPage> {
   Widget _buildUserPage(ThemeData theme, LoadingState userState) {
     return switch (userState) {
       Loading() => loadingWidget,
-      Success(:var response) => Column(
+      Success(:final response) => Column(
         children: [
           _buildUserInfo(theme, response),
           _buildHeader(theme),
@@ -108,7 +108,7 @@ class _HorizontalMemberPageState extends State<HorizontalMemberPage> {
           ),
         ],
       ),
-      Error(:var errMsg) => scrollErrorWidget(
+      Error(:final errMsg) => scrollErrorWidget(
         controller: _controller.scrollController,
         errMsg: errMsg,
         onReload: () {
@@ -172,7 +172,7 @@ class _HorizontalMemberPageState extends State<HorizontalMemberPage> {
         itemBuilder: (_, _) => const VideoCardHSkeleton(),
         itemExtent: 100,
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverFixedExtentList.builder(
                 itemBuilder: (context, index) {
@@ -202,7 +202,7 @@ class _HorizontalMemberPageState extends State<HorizontalMemberPage> {
                 itemExtent: 100,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/video/note/view.dart b/lib/pages/video/note/view.dart
index 0e3d5469d..cd4a7edd5 100644
--- a/lib/pages/video/note/view.dart
+++ b/lib/pages/video/note/view.dart
@@ -186,7 +186,7 @@ class _NoteListPageState extends State<NoteListPage>
         itemBuilder: (_, _) => const VideoReplySkeleton(),
         itemCount: 8,
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.separated(
                 itemBuilder: (context, index) {
@@ -199,7 +199,7 @@ class _NoteListPageState extends State<NoteListPage>
                 separatorBuilder: (context, index) => divider,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/video/related/view.dart b/lib/pages/video/related/view.dart
index 41b0a39c0..1da596cd3 100644
--- a/lib/pages/video/related/view.dart
+++ b/lib/pages/video/related/view.dart
@@ -32,7 +32,7 @@ class _RelatedVideoPanelState extends State<RelatedVideoPanel> with GridMixin {
   Widget _buildBody(LoadingState<List<HotVideoItemModel>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -47,7 +47,7 @@ class _RelatedVideoPanelState extends State<RelatedVideoPanel> with GridMixin {
                 itemCount: response.length,
               )
             : const SliverToBoxAdapter(),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _relatedController.onReload,
       ),
diff --git a/lib/pages/video/reply/view.dart b/lib/pages/video/reply/view.dart
index b7d564ef9..9c5765238 100644
--- a/lib/pages/video/reply/view.dart
+++ b/lib/pages/video/reply/view.dart
@@ -180,7 +180,7 @@ class _VideoReplyPanelState extends State<VideoReplyPanel>
         itemBuilder: (context, index) => const VideoReplySkeleton(),
         itemCount: 5,
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.builder(
                 itemBuilder: (context, index) {
@@ -229,7 +229,7 @@ class _VideoReplyPanelState extends State<VideoReplyPanel>
                 errMsg: '还没有评论',
                 onReload: _videoReplyController.onReload,
               ),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _videoReplyController.onReload,
       ),
diff --git a/lib/pages/video/reply/widgets/reply_item_grpc.dart b/lib/pages/video/reply/widgets/reply_item_grpc.dart
index e57cb04d1..5b211b798 100644
--- a/lib/pages/video/reply/widgets/reply_item_grpc.dart
+++ b/lib/pages/video/reply/widgets/reply_item_grpc.dart
@@ -800,7 +800,7 @@ class ReplyItemGrpc extends StatelessWidget {
           .where((url) => !matchedUrls.contains(url))
           .toList();
       if (unmatchedItems.isNotEmpty) {
-        for (var patternStr in unmatchedItems) {
+        for (final patternStr in unmatchedItems) {
           addUrl(patternStr, content.urls[patternStr]!);
         }
       }
@@ -916,7 +916,7 @@ class ReplyItemGrpc extends StatelessWidget {
                   return;
                 }
                 SmartDialog.showLoading(msg: '删除中...');
-                var result = await VideoHttp.replyDel(
+                final result = await VideoHttp.replyDel(
                   type: item.type.toInt(),
                   oid: item.oid.toInt(),
                   rpid: item.id.toInt(),
diff --git a/lib/pages/video/reply_new/view.dart b/lib/pages/video/reply_new/view.dart
index c97114e17..ef9c64d61 100644
--- a/lib/pages/video/reply_new/view.dart
+++ b/lib/pages/video/reply_new/view.dart
@@ -409,13 +409,13 @@ class _ReplyPageState extends CommonRichTextPubPageState<ReplyPage> {
   @override
   Future<void> onCustomPublish({List? pictures}) async {
     Map<String, int> atNameToMid = {};
-    for (var e in editController.items) {
+    for (final e in editController.items) {
       if (e.type == RichTextType.at) {
         atNameToMid[e.rawText] ??= int.parse(e.id!);
       }
     }
     String message = editController.rawText;
-    var result = await VideoHttp.replyAdd(
+    final result = await VideoHttp.replyAdd(
       type: widget.replyType,
       oid: widget.oid,
       root: widget.root,
diff --git a/lib/pages/video/reply_reply/view.dart b/lib/pages/video/reply_reply/view.dart
index 43bf29793..0b978cdca 100644
--- a/lib/pages/video/reply_reply/view.dart
+++ b/lib/pages/video/reply_reply/view.dart
@@ -310,7 +310,7 @@ class _VideoReplyReplyPanelState extends State<VideoReplyReplyPanel>
         itemBuilder: (_, _) => const VideoReplySkeleton(),
         itemCount: 8,
       ),
-      Success(:var response!) => SuperSliverList.builder(
+      Success(:final response!) => SuperSliverList.builder(
         listController: _controller.listController,
         itemBuilder: (context, index) {
           if (index == response.length) {
@@ -357,7 +357,7 @@ class _VideoReplyReplyPanelState extends State<VideoReplyReplyPanel>
         },
         itemCount: response.length + 1,
       ),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/video/reply_search_item/child/view.dart b/lib/pages/video/reply_search_item/child/view.dart
index a878afcce..d73cecedc 100644
--- a/lib/pages/video/reply_search_item/child/view.dart
+++ b/lib/pages/video/reply_search_item/child/view.dart
@@ -52,7 +52,7 @@ class _ReplySearchChildPageState extends State<ReplySearchChildPage>
   Widget _buildBody(LoadingState<List<SearchItem>?> loadingState) {
     return switch (loadingState) {
       Loading() => gridSkeleton,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverGrid.builder(
                 gridDelegate: gridDelegate,
@@ -68,7 +68,7 @@ class _ReplySearchChildPageState extends State<ReplySearchChildPage>
                 itemCount: response.length,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/video/view.dart b/lib/pages/video/view.dart
index 9e0816942..8d881a9c3 100644
--- a/lib/pages/video/view.dart
+++ b/lib/pages/video/view.dart
@@ -2110,7 +2110,7 @@ class _VideoDetailPageVState extends State<VideoDetailPageV>
           ..cid.refresh();
       } else {
         // switch to first episode
-        var episode = ugcIntroController
+        final episode = ugcIntroController
             .videoDetail
             .value
             .ugcSeason!
@@ -2136,7 +2136,7 @@ class _VideoDetailPageVState extends State<VideoDetailPageV>
         videoDetailController.cid.refresh();
       } else {
         // switch to first episode
-        var episode = videoDetail.pages!.first;
+        final episode = videoDetail.pages!.first;
         if (episode.cid != videoDetailController.cid.value) {
           ugcIntroController.onChangeEpisode(episode);
         } else {
diff --git a/lib/pages/video/widgets/header_control.dart b/lib/pages/video/widgets/header_control.dart
index 3fc7cd271..c77e80194 100644
--- a/lib/pages/video/widgets/header_control.dart
+++ b/lib/pages/video/widgets/header_control.dart
@@ -2892,7 +2892,7 @@ class HeaderControlState extends State<HeaderControl>
                     ),
                   ),
                 ),
-                if (introController case UgcIntroController ugc)
+                if (introController case final UgcIntroController ugc)
                   SizedBox(
                     width: 42,
                     height: 34,
diff --git a/lib/pages/video/widgets/player_focus.dart b/lib/pages/video/widgets/player_focus.dart
index b0d65d1e8..70147515f 100644
--- a/lib/pages/video/widgets/player_focus.dart
+++ b/lib/pages/video/widgets/player_focus.dart
@@ -254,7 +254,7 @@ class PlayerFocus extends StatelessWidget {
             return true;
 
           case LogicalKeyboardKey.keyG:
-            if (introController case UgcIntroController ugcCtr) {
+            if (introController case final UgcIntroController ugcCtr) {
               ugcCtr.actionRelationMod(Get.context!);
             }
             return true;
diff --git a/lib/pages/webview/view.dart b/lib/pages/webview/view.dart
index 39d92babf..45e39a05d 100644
--- a/lib/pages/webview/view.dart
+++ b/lib/pages/webview/view.dart
@@ -50,7 +50,7 @@ class _WebviewPageState extends State<WebviewPage> {
     this.uaType =
         widget.uaType ??
         (uaType != null ? UaType.values.byName(uaType) : UaType.platformUA);
-    if (Get.arguments case Map map) {
+    if (Get.arguments case final Map map) {
       _inApp = map['inApp'] ?? false;
       _off = map['off'] ?? false;
     }
diff --git a/lib/pages/whisper/controller.dart b/lib/pages/whisper/controller.dart
index 18bba21fb..23b82d2c9 100644
--- a/lib/pages/whisper/controller.dart
+++ b/lib/pages/whisper/controller.dart
@@ -58,7 +58,7 @@ class WhisperController extends CommonWhisperController<SessionMainReply> {
   }
 
   Future<void> queryMsgFeedUnread() async {
-    var res = await ImGrpc.getTotalUnread(unreadType: 2);
+    final res = await ImGrpc.getTotalUnread(unreadType: 2);
     if (res.isSuccess) {
       final data = MsgFeedUnread.fromJson(res.data.msgFeedUnread.unread);
       final unreadCounts = [data.reply, data.at, data.like, data.sysMsg];
diff --git a/lib/pages/whisper/view.dart b/lib/pages/whisper/view.dart
index 488a1ea17..04e8fa987 100644
--- a/lib/pages/whisper/view.dart
+++ b/lib/pages/whisper/view.dart
@@ -120,7 +120,7 @@ class _WhisperPageState extends State<WhisperPage> {
         itemCount: 12,
         itemBuilder: (context, index) => const WhisperItemSkeleton(),
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.separated(
                 itemCount: response.length,
@@ -142,7 +142,7 @@ class _WhisperPageState extends State<WhisperPage> {
                 separatorBuilder: (context, index) => divider,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/whisper_block/view.dart b/lib/pages/whisper_block/view.dart
index ca86e90e5..6db3da8b5 100644
--- a/lib/pages/whisper_block/view.dart
+++ b/lib/pages/whisper_block/view.dart
@@ -38,7 +38,7 @@ class _WhisperBlockPageState extends State<WhisperBlockPage> {
   ) {
     return switch (loadingState) {
       Loading() => loadingWidget,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
@@ -141,7 +141,7 @@ class _WhisperBlockPageState extends State<WhisperBlockPage> {
                   ],
                 ),
               ),
-      Error(:var errMsg) => scrollErrorWidget(
+      Error(:final errMsg) => scrollErrorWidget(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/whisper_detail/controller.dart b/lib/pages/whisper_detail/controller.dart
index ba04ab1cc..34d1f6525 100644
--- a/lib/pages/whisper_detail/controller.dart
+++ b/lib/pages/whisper_detail/controller.dart
@@ -56,7 +56,7 @@ class WhisperDetailController extends CommonListController<RspSessionMsg, Msg> {
 
   // 消息标记已读
   Future<void> ackSessionMsg(int msgSeqno) async {
-    var res = await MsgHttp.ackSessionMsg(
+    final res = await MsgHttp.ackSessionMsg(
       talkerId: talkerId,
       ackSeqno: msgSeqno,
     );
diff --git a/lib/pages/whisper_detail/view.dart b/lib/pages/whisper_detail/view.dart
index c82af7dff..e5cf0d06e 100644
--- a/lib/pages/whisper_detail/view.dart
+++ b/lib/pages/whisper_detail/view.dart
@@ -150,7 +150,7 @@ class _WhisperDetailPageState
   Widget _buildBody(LoadingState<List<Msg>?> loadingState) {
     return switch (loadingState) {
       Loading() => loadingWidget,
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? ListView.separated(
                 shrinkWrap: true,
@@ -180,7 +180,7 @@ class _WhisperDetailPageState
                     const SizedBox(height: 12),
               )
             : scrollErrorWidget(onReload: _whisperDetailController.onReload),
-      Error(:var errMsg) => scrollErrorWidget(
+      Error(:final errMsg) => scrollErrorWidget(
         errMsg: errMsg,
         onReload: _whisperDetailController.onReload,
       ),
diff --git a/lib/pages/whisper_detail/widget/chat_item.dart b/lib/pages/whisper_detail/widget/chat_item.dart
index 62c89214e..c2cbc28b1 100644
--- a/lib/pages/whisper_detail/widget/chat_item.dart
+++ b/lib/pages/whisper_detail/widget/chat_item.dart
@@ -213,7 +213,7 @@ class ChatItem extends StatelessWidget {
         children: [
           GestureDetector(
             onTap: () {
-              var roomId = content['sourceID'];
+              dynamic roomId = content['sourceID'];
               if (roomId is String) {
                 roomId = int.parse(roomId);
               }
@@ -266,7 +266,7 @@ class ChatItem extends StatelessWidget {
         children: [
           Row(
             children: [
-              for (var i in content['image_urls'])
+              for (final i in content['image_urls'])
                 NetworkImgLayer(
                   width: 130,
                   height: 130 * 9 / 16,
@@ -326,7 +326,7 @@ class ChatItem extends StatelessWidget {
                 fontWeight: FontWeight.bold,
               ),
             ),
-            for (var i in content['sub_cards'])
+            for (final i in content['sub_cards'])
               GestureDetector(
                 onTap: () async {
                   String? bvid = IdUtils.bvRegex
@@ -421,7 +421,7 @@ class ChatItem extends StatelessWidget {
               onTap: () async {
                 try {
                   SmartDialog.showLoading();
-                  var bvid = content["bvid"];
+                  final bvid = content["bvid"];
                   final int? cid = await SearchHttp.ab2c(bvid: bvid);
                   SmartDialog.dismiss();
                   if (cid != null) {
@@ -637,7 +637,7 @@ class ChatItem extends StatelessWidget {
     late final Map<String, Map> emojiMap = {};
     final List<String> patterns = [Constants.urlRegex.pattern];
     if (eInfos != null) {
-      for (var e in eInfos!) {
+      for (final e in eInfos!) {
         emojiMap[e.text] ??= {
           'url': e.hasGifUrl() ? e.gifUrl : e.url,
           'size': e.size * 22.0,
diff --git a/lib/pages/whisper_link_setting/controller.dart b/lib/pages/whisper_link_setting/controller.dart
index 61038d673..4244780fd 100644
--- a/lib/pages/whisper_link_setting/controller.dart
+++ b/lib/pages/whisper_link_setting/controller.dart
@@ -54,7 +54,7 @@ class WhisperLinkSettingController extends GetxController {
   }
 
   Future<void> getIsPinned() async {
-    var res = await ImGrpc.sessionUpdate(sessionId: sessionId);
+    final res = await ImGrpc.sessionUpdate(sessionId: sessionId);
     if (res.isSuccess) {
       isPinned.value = res.data.session.isPinned;
     }
@@ -75,7 +75,7 @@ class WhisperLinkSettingController extends GetxController {
 
   Future<void> _setPush(bool isPush) async {
     int setting = isPush ? 1 : 0;
-    var res = await MsgHttp.setPushSs(
+    final res = await MsgHttp.setPushSs(
       setting: setting,
       talkerUid: talkerUid,
     );
@@ -89,7 +89,7 @@ class WhisperLinkSettingController extends GetxController {
   }
 
   Future<void> setPin() async {
-    var res = isPinned.value
+    final res = isPinned.value
         ? await ImGrpc.unpinSession(sessionId: sessionId)
         : await ImGrpc.pinSession(sessionId: sessionId);
     if (res.isSuccess) {
@@ -101,7 +101,7 @@ class WhisperLinkSettingController extends GetxController {
 
   Future<void> setMute(bool isMuted) async {
     int setting = isMuted ? 0 : 1;
-    var res = await MsgHttp.setMsgDnd(
+    final res = await MsgHttp.setMsgDnd(
       uid: Accounts.main.mid,
       setting: setting,
       dndUid: talkerUid,
@@ -117,7 +117,7 @@ class WhisperLinkSettingController extends GetxController {
 
   Future<void> setBlock(bool isBlocked) async {
     if (isBlocked) {
-      var res = await VideoHttp.relationMod(
+      final res = await VideoHttp.relationMod(
         mid: talkerUid,
         act: 6,
         reSrc: 11,
@@ -135,7 +135,7 @@ class WhisperLinkSettingController extends GetxController {
         title: '确认拉黑该用户',
         content: '加入黑名单后，将自动解除关注关系和对该用户的合集订阅关系，禁止该用户与我互动或查看我的空间',
         onConfirm: () async {
-          var res = await VideoHttp.relationMod(
+          final res = await VideoHttp.relationMod(
             mid: talkerUid,
             act: 5,
             reSrc: 11,
diff --git a/lib/pages/whisper_link_setting/view.dart b/lib/pages/whisper_link_setting/view.dart
index 081a8a360..c85f63d47 100644
--- a/lib/pages/whisper_link_setting/view.dart
+++ b/lib/pages/whisper_link_setting/view.dart
@@ -106,7 +106,7 @@ class _WhisperLinkSettingPageState extends State<WhisperLinkSettingPage> {
   ) {
     return switch (loadingState) {
       Loading() => const SizedBox.shrink(),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? Column(
                 mainAxisSize: MainAxisSize.min,
@@ -159,7 +159,7 @@ class _WhisperLinkSettingPageState extends State<WhisperLinkSettingPage> {
                 ],
               )
             : const SizedBox.shrink(),
-      Error(:var errMsg) => _errWidget(errMsg, _controller.getUserInfo),
+      Error(:final errMsg) => _errWidget(errMsg, _controller.getUserInfo),
     };
   }
 
@@ -171,7 +171,7 @@ class _WhisperLinkSettingPageState extends State<WhisperLinkSettingPage> {
   ) {
     return switch (loadingState) {
       Loading() => const SizedBox.shrink(),
-      Success(:var response) => Builder(
+      Success(:final response) => Builder(
         builder: (context) {
           late final subTitleS = TextStyle(
             fontSize: 13,
@@ -223,14 +223,14 @@ class _WhisperLinkSettingPageState extends State<WhisperLinkSettingPage> {
           );
         },
       ),
-      Error(:var errMsg) => _errWidget(errMsg, _controller.getSessionSs),
+      Error(:final errMsg) => _errWidget(errMsg, _controller.getSessionSs),
     };
   }
 
   Widget _buildMuteItem(LoadingState<List<UidSetting>?> loadingState) {
     return switch (loadingState) {
       Loading() => const SizedBox.shrink(),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? ListTile(
                 dense: true,
@@ -247,7 +247,7 @@ class _WhisperLinkSettingPageState extends State<WhisperLinkSettingPage> {
                 ),
               )
             : const SizedBox.shrink(),
-      Error(:var errMsg) => _errWidget(errMsg, _controller.getMsgDnd),
+      Error(:final errMsg) => _errWidget(errMsg, _controller.getMsgDnd),
     };
   }
 
diff --git a/lib/pages/whisper_secondary/view.dart b/lib/pages/whisper_secondary/view.dart
index 346cace48..248a30099 100644
--- a/lib/pages/whisper_secondary/view.dart
+++ b/lib/pages/whisper_secondary/view.dart
@@ -94,7 +94,7 @@ class _WhisperSecPageState extends State<WhisperSecPage> {
         itemCount: 12,
         itemBuilder: (context, index) => const WhisperItemSkeleton(),
       ),
-      Success(:var response) =>
+      Success(:final response) =>
         response != null && response.isNotEmpty
             ? SliverList.separated(
                 itemCount: response.length,
@@ -116,7 +116,7 @@ class _WhisperSecPageState extends State<WhisperSecPage> {
                 separatorBuilder: (context, index) => divider,
               )
             : HttpError(onReload: _controller.onReload),
-      Error(:var errMsg) => HttpError(
+      Error(:final errMsg) => HttpError(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/whisper_settings/view.dart b/lib/pages/whisper_settings/view.dart
index 741a06504..12de7ab0d 100644
--- a/lib/pages/whisper_settings/view.dart
+++ b/lib/pages/whisper_settings/view.dart
@@ -93,7 +93,7 @@ class _WhisperSettingsPageState extends State<WhisperSettingsPage> {
                     onTap: () async {
                       if (!e.selected) {
                         Get.back();
-                        for (var j in item.redirect.windowSelect.item) {
+                        for (final j in item.redirect.windowSelect.item) {
                           j.selected = false;
                         }
                         item.redirect.selectedSummary = e.text;
@@ -102,7 +102,7 @@ class _WhisperSettingsPageState extends State<WhisperSettingsPage> {
                         final settings = {key: item};
                         final res = await _controller.onSet(settings);
                         if (!res) {
-                          for (var j in item.redirect.windowSelect.item) {
+                          for (final j in item.redirect.windowSelect.item) {
                             j.selected = j.text == selected;
                           }
                           item.redirect.selectedSummary = selected!;
@@ -159,7 +159,7 @@ class _WhisperSettingsPageState extends State<WhisperSettingsPage> {
     );
     return switch (loadingState) {
       Loading() => const SizedBox.shrink(),
-      Success<PbMap<int, Setting>>(:var response) => Builder(
+      Success<PbMap<int, Setting>>(:final response) => Builder(
         builder: (context) {
           final keys = response.keys.toList()..sort();
           return ListView.separated(
@@ -180,7 +180,7 @@ class _WhisperSettingsPageState extends State<WhisperSettingsPage> {
           );
         },
       ),
-      Error(:var errMsg) => scrollErrorWidget(
+      Error(:final errMsg) => scrollErrorWidget(
         errMsg: errMsg,
         onReload: _controller.onReload,
       ),
diff --git a/lib/pages/whisper_settings/widgets/item.dart b/lib/pages/whisper_settings/widgets/item.dart
index 293059051..f355c567a 100644
--- a/lib/pages/whisper_settings/widgets/item.dart
+++ b/lib/pages/whisper_settings/widgets/item.dart
@@ -64,9 +64,9 @@ class ImSettingsItem extends StatelessWidget {
       SelectItem? selected;
       SettingSwitch? sw1tch;
       if (item.redirect.settingPage.subSettings.isNotEmpty) {
-        for (var subItem in item.redirect.settingPage.subSettings.values) {
+        for (final subItem in item.redirect.settingPage.subSettings.values) {
           if (subItem.hasSelect()) {
-            for (var i in subItem.select.item) {
+            for (final i in subItem.select.item) {
               if (i.selected) {
                 selected = i;
                 break;
@@ -138,7 +138,7 @@ class ImSettingsItem extends StatelessWidget {
               dense: true,
               onTap: () async {
                 if (!e.selected) {
-                  for (var i in item.select.item) {
+                  for (final i in item.select.item) {
                     i.selected = false;
                   }
                   e.selected = true;
@@ -147,7 +147,7 @@ class ImSettingsItem extends StatelessWidget {
                   if (await onSet()) {
                     selected = e.text;
                   } else {
-                    for (var i in item.select.item) {
+                    for (final i in item.select.item) {
                       i.selected = i.text == selected;
                     }
                     rebuild();
diff --git a/lib/plugin/pl_player/controller.dart b/lib/plugin/pl_player/controller.dart
index e7778a369..06d922238 100644
--- a/lib/plugin/pl_player/controller.dart
+++ b/lib/plugin/pl_player/controller.dart
@@ -1032,7 +1032,7 @@ class PlPlayerController {
         );
 
         /// 触发回调事件
-        for (var element in _statusListeners) {
+        for (final element in _statusListeners) {
           element(event ? PlayerStatus.playing : PlayerStatus.paused);
         }
         if (videoPlayerController!.state.position.inSeconds != 0) {
@@ -1044,7 +1044,7 @@ class PlPlayerController {
           playerStatus.value = PlayerStatus.completed;
 
           /// 触发回调事件
-          for (var element in _statusListeners) {
+          for (final element in _statusListeners) {
             element(PlayerStatus.completed);
           }
         } else {
@@ -1061,7 +1061,7 @@ class PlPlayerController {
         }
 
         /// 触发回调事件
-        for (var element in _positionListeners) {
+        for (final element in _positionListeners) {
           element(event);
         }
         makeHeartBeat(event.inSeconds);
@@ -1391,7 +1391,7 @@ class PlPlayerController {
         _dataListenerForVideoFit = dataStatus.status.listen((status) {
           if (status == DataStatus.loaded) {
             _stopListenerForVideoFit();
-            var attr = VideoFitType.values[fitValue];
+            final attr = VideoFitType.values[fitValue];
             if (attr == VideoFitType.none || attr == VideoFitType.scaleDown) {
               videoFit.value = attr;
             }
@@ -1798,14 +1798,13 @@ class PlPlayerController {
       getVideoShot();
       return;
     }
-    if (videoShot case Success<VideoShotData> success) {
-      final data = success.response;
+    if (videoShot case Success(:final response)) {
       if (!showPreview.value) {
         showPreview.value = true;
       }
       previewIndex.value = max(
         0,
-        (data.index.where((item) => item <= seconds).length - 2),
+        (response.index.where((item) => item <= seconds).length - 2),
       );
     }
   }
@@ -1814,7 +1813,7 @@ class PlPlayerController {
     showPreview.value = false;
     previewIndex.value = null;
     videoShot = null;
-    for (var i in previewCache.values) {
+    for (final i in previewCache.values) {
       i?.dispose();
     }
     previewCache.clear();
@@ -1822,7 +1821,7 @@ class PlPlayerController {
 
   Future<void> getVideoShot() async {
     try {
-      var res = await Request().get(
+      final res = await Request().get(
         '/x/player/videoshot',
         queryParameters: {
           // 'aid': IdUtils.bv2av(_bvid),
diff --git a/lib/plugin/pl_player/view.dart b/lib/plugin/pl_player/view.dart
index 7c24270b2..abc8690a9 100644
--- a/lib/plugin/pl_player/view.dart
+++ b/lib/plugin/pl_player/view.dart
@@ -539,7 +539,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
             final List<SectionItem> sections = videoDetail.ugcSeason!.sections!;
             for (int i = 0; i < sections.length; i++) {
               final List<EpisodeItem> episodesList = sections[i].episodes!;
-              for (var item in episodesList) {
+              for (final item in episodesList) {
                 if (item.cid == currentCid) {
                   index = i;
                   episodes = episodesList;
diff --git a/lib/services/download/download_service.dart b/lib/services/download/download_service.dart
index b37ee8aad..405e7e3d9 100644
--- a/lib/services/download/download_service.dart
+++ b/lib/services/download/download_service.dart
@@ -321,7 +321,7 @@ class DownloadService extends GetxService {
         ]);
 
         final danmaku = res.removeAt(0).data;
-        for (var i in res) {
+        for (final i in res) {
           if (i.isSuccess) {
             danmaku.elems.addAll(i.data.elems);
           }
@@ -596,7 +596,7 @@ typedef SetNotifier = Set<VoidCallback>;
 
 extension SetNotifierExt on SetNotifier {
   void refresh() {
-    for (var i in this) {
+    for (final i in this) {
       i();
     }
   }
diff --git a/lib/tcp/live.dart b/lib/tcp/live.dart
index 769499663..520d1847f 100644
--- a/lib/tcp/live.dart
+++ b/lib/tcp/live.dart
@@ -221,7 +221,7 @@ class LiveMessageStream {
         final msgBody = utf8.decode(
           data.sublist(subHeader.headerSize, subHeader.totalSize),
         );
-        for (var f in _eventListeners) {
+        for (final f in _eventListeners) {
           f(jsonDecode(msgBody));
         }
         if (subHeader.totalSize < data.length) {
diff --git a/lib/utils/accounts.dart b/lib/utils/accounts.dart
index 03ee9c583..a6fffc537 100644
--- a/lib/utils/accounts.dart
+++ b/lib/utils/accounts.dart
@@ -71,8 +71,8 @@ abstract final class Accounts {
   // }
 
   static Future<void> refresh() async {
-    for (var a in account.values) {
-      for (var t in a.type) {
+    for (final a in account.values) {
+      for (final t in a.type) {
         accountMode[t.index] = a;
       }
     }
@@ -93,7 +93,7 @@ abstract final class Accounts {
   }
 
   static Future<void> deleteAll(Set<Account> accounts) async {
-    var isLoginMain = Accounts.main.isLogin;
+    final isLoginMain = Accounts.main.isLogin;
     for (int i = 0; i < AccountType.values.length; i++) {
       if (accounts.contains(accountMode[i])) {
         accountMode[i] = AnonymousAccount();
diff --git a/lib/utils/accounts/account.dart b/lib/utils/accounts/account.dart
index 6e6cabdeb..f4b690092 100644
--- a/lib/utils/accounts/account.dart
+++ b/lib/utils/accounts/account.dart
@@ -186,7 +186,7 @@ extension BiliCookie on Cookie {
 extension BiliCookieJar on DefaultCookieJar {
   Map<String, String> toJson() {
     final cookies = domainCookies['bilibili.com']?['/'] ?? const {};
-    return {for (var i in cookies.values) i.cookie.name: i.cookie.value};
+    return {for (final i in cookies.values) i.cookie.name: i.cookie.value};
   }
 
   List<Cookie> toList() =>
@@ -207,7 +207,7 @@ extension BiliCookieJar on DefaultCookieJar {
       DefaultCookieJar(ignoreExpires: true)
         ..domainCookies['bilibili.com'] = {
           '/': {
-            for (var i in json.entries)
+            for (final i in json.entries)
               i.key: SerializableCookie(
                 Cookie(i.key, i.value)..setBiliDomain(),
               ),
@@ -218,7 +218,7 @@ extension BiliCookieJar on DefaultCookieJar {
       DefaultCookieJar(ignoreExpires: true)
         ..domainCookies['bilibili.com'] = {
           '/': {
-            for (var i in cookies)
+            for (final i in cookies)
               i['name']!: SerializableCookie(
                 Cookie(i['name']!, i['value']!)..setBiliDomain(),
               ),
diff --git a/lib/utils/app_sign.dart b/lib/utils/app_sign.dart
index 234f58917..e644a8c22 100644
--- a/lib/utils/app_sign.dart
+++ b/lib/utils/app_sign.dart
@@ -28,7 +28,7 @@ abstract final class AppSign {
     List<MapEntry<String, dynamic /*String?|Iterable<String>*/>>
     queryParameters,
   ) {
-    var result = StringBuffer();
+    final result = StringBuffer();
     var separator = '';
 
     void writeParameter(String key, String? value) {
@@ -43,8 +43,8 @@ abstract final class AppSign {
       }
     }
 
-    for (var i in queryParameters) {
-      if (i.value case Iterable<String> values) {
+    for (final i in queryParameters) {
+      if (i.value case final Iterable<String> values) {
         for (final String value in values) {
           writeParameter(i.key, value);
         }
diff --git a/lib/utils/extension/file_ext.dart b/lib/utils/extension/file_ext.dart
index f74fbad48..974118185 100644
--- a/lib/utils/extension/file_ext.dart
+++ b/lib/utils/extension/file_ext.dart
@@ -11,7 +11,7 @@ extension FileSystemEntityExt on FileSystemEntity {
 extension DirectoryExt on Directory {
   Future<bool> lengthGte(int length) async {
     int count = 0;
-    await for (var _ in list()) {
+    await for (final _ in list()) {
       if (++count == length) return true;
     }
     return false;
diff --git a/lib/utils/extension/iterable_ext.dart b/lib/utils/extension/iterable_ext.dart
index db873a06e..08d35c167 100644
--- a/lib/utils/extension/iterable_ext.dart
+++ b/lib/utils/extension/iterable_ext.dart
@@ -16,7 +16,7 @@ extension IterableExt<T> on Iterable<T> {
   }
 
   T? firstWhereOrNull(bool Function(T element) test) {
-    for (var element in this) {
+    for (final element in this) {
       if (test(element)) return element;
     }
     return null;
diff --git a/lib/utils/extension/num_ext.dart b/lib/utils/extension/num_ext.dart
index cf5f1ca9c..8396d0dc6 100644
--- a/lib/utils/extension/num_ext.dart
+++ b/lib/utils/extension/num_ext.dart
@@ -18,7 +18,7 @@ extension IntExt on int? {
 
 extension DoubleExt on double {
   double toPrecision(int fractionDigits) {
-    var mod = pow(10, fractionDigits.toDouble()).toDouble();
+    final mod = pow(10, fractionDigits.toDouble()).toDouble();
     return ((this * mod).round().toDouble() / mod);
   }
 }
diff --git a/lib/utils/id_utils.dart b/lib/utils/id_utils.dart
index 83c6ce52a..fb8f55d2d 100644
--- a/lib/utils/id_utils.dart
+++ b/lib/utils/id_utils.dart
@@ -13,7 +13,7 @@ abstract final class IdUtils {
 
   static const data =
       'FcwAPNKTMug3GV5Lj7EJnHpWsx4tb8haYeviqBz6rkCy12mUSDQX9RdoZf';
-  static final invData = {for (var (i, c) in data.codeUnits.indexed) c: i};
+  static final invData = {for (final (i, c) in data.codeUnits.indexed) c: i};
 
   static final bvRegex = RegExp(r'bv1[0-9a-zA-Z]{9}', caseSensitive: false);
   static final bvRegexExact = RegExp(
@@ -84,7 +84,7 @@ abstract final class IdUtils {
       return '';
     }
 
-    var midByte = ascii.encode(uid.toString());
+    final midByte = ascii.encode(uid.toString());
 
     const key = 'ad1va46a7lza';
     for (int i = 0; i < midByte.length; i++) {
diff --git a/lib/utils/image_utils.dart b/lib/utils/image_utils.dart
index 398c26323..2c4e513b3 100644
--- a/lib/utils/image_utils.dart
+++ b/lib/utils/image_utils.dart
@@ -218,7 +218,7 @@ abstract final class ImageUtils {
       if (PlatformUtils.isMobile) {
         final delList = <String>[];
         final saveList = <SaveFileData>[];
-        for (var i in result) {
+        for (final i in result) {
           if (i.del) delList.add(i.filePath);
           if (i.statusCode == 200) {
             saveList.add(
@@ -231,11 +231,11 @@ abstract final class ImageUtils {
           }
         }
         await SaverGallery.saveFiles(saveList, skipIfExists: false);
-        for (var i in delList) {
+        for (final i in delList) {
           File(i).tryDel();
         }
       } else {
-        for (var res in result) {
+        for (final res in result) {
           if (res.statusCode == 200) {
             await saveFileImg(
               filePath: res.filePath,
diff --git a/lib/utils/login_utils.dart b/lib/utils/login_utils.dart
index a31e86016..3809ddffb 100644
--- a/lib/utils/login_utils.dart
+++ b/lib/utils/login_utils.dart
@@ -91,7 +91,7 @@ abstract final class LoginUtils {
   }
 
   static String generateBuvid() {
-    var md5Str = Digest(
+    final md5Str = Digest(
       List.generate(16, (_) => Utils.random.nextInt(256)),
     ).toString();
     return 'XY${md5Str[2]}${md5Str[12]}${md5Str[22]}$md5Str';
diff --git a/lib/utils/page_utils.dart b/lib/utils/page_utils.dart
index 640de6482..103c41de9 100644
--- a/lib/utils/page_utils.dart
+++ b/lib/utils/page_utils.dart
@@ -808,7 +808,7 @@ abstract final class PageUtils {
   }) async {
     try {
       SmartDialog.showLoading(msg: '资源获取中');
-      var result = await SearchHttp.pgcInfo(seasonId: seasonId, epId: epId);
+      final result = await SearchHttp.pgcInfo(seasonId: seasonId, epId: epId);
       SmartDialog.dismiss();
       if (result.isSuccess) {
         PgcInfoModel data = result.data;
@@ -845,10 +845,10 @@ abstract final class PageUtils {
           if (episode == null) {
             final sections = data.section;
             if (sections != null && sections.isNotEmpty) {
-              for (var section in sections) {
+              for (final section in sections) {
                 final episodes = section.episodes;
                 if (episodes != null && episodes.isNotEmpty) {
-                  for (var episode in episodes) {
+                  for (final episode in episodes) {
                     if (episode.epId.toString() == epId) {
                       // view as ugc
                       viewSection(episode);
@@ -906,7 +906,7 @@ abstract final class PageUtils {
   }) async {
     try {
       SmartDialog.showLoading(msg: '资源获取中');
-      var res = await SearchHttp.pugvInfo(seasonId: seasonId, epId: epId);
+      final res = await SearchHttp.pugvInfo(seasonId: seasonId, epId: epId);
       SmartDialog.dismiss();
       if (res.isSuccess) {
         PgcInfoModel data = res.data;
diff --git a/lib/utils/reply_utils.dart b/lib/utils/reply_utils.dart
index 984ae078d..f58473938 100644
--- a/lib/utils/reply_utils.dart
+++ b/lib/utils/reply_utils.dart
@@ -146,7 +146,7 @@ abstract final class ReplyUtils {
     // root reply
     if (root == 0) {
       // no cookie check
-      var res = await ReplyHttp.replyList(
+      final res = await ReplyHttp.replyList(
         isLogin: false,
         oid: oid,
         nextOffset: '',
diff --git a/lib/utils/request_utils.dart b/lib/utils/request_utils.dart
index cbb084570..d7f119af5 100644
--- a/lib/utils/request_utils.dart
+++ b/lib/utils/request_utils.dart
@@ -43,7 +43,7 @@ abstract final class RequestUtils {
     if (!account.isLogin) {
       return;
     }
-    var res = await UserHttp.historyStatus(account: account);
+    final res = await UserHttp.historyStatus(account: account);
     if (res case Success(:final response)) {
       GStorage.localCache.put(LocalCacheKey.historyPause, response);
     }
@@ -107,7 +107,7 @@ abstract final class RequestUtils {
     }
     feedBack();
     if (!isFollow) {
-      var res = await VideoHttp.relationMod(
+      final res = await VideoHttp.relationMod(
         mid: mid,
         act: 1,
         reSrc: 11,
@@ -165,7 +165,7 @@ abstract final class RequestUtils {
                     dense: true,
                     onTap: () async {
                       Get.back();
-                      var result = await showModalBottomSheet<Set<int>>(
+                      final result = await showModalBottomSheet<Set<int>>(
                         context: context,
                         useSafeArea: true,
                         isScrollControlled: true,
@@ -208,7 +208,7 @@ abstract final class RequestUtils {
                     dense: true,
                     onTap: () async {
                       Get.back();
-                      var res = await VideoHttp.relationMod(
+                      final res = await VideoHttp.relationMod(
                         mid: mid,
                         act: 2,
                         reSrc: 11,
@@ -257,7 +257,7 @@ abstract final class RequestUtils {
 
   // static Future<dynamic> getWwebid(mid) async {
   //   try {
-  //     var response = await Request().get(
+  //     final response = await Request().get(
   //       '${HttpString.spaceBaseUrl}/$mid/dynamic',
   //       options: Options(
   //         extra: {'account': AnonymousAccount()},
@@ -278,7 +278,7 @@ abstract final class RequestUtils {
     try {
       if (id != null) {
         await Future.delayed(const Duration(milliseconds: 450));
-        var res = await DynamicsHttp.dynamicDetail(id: id);
+        final res = await DynamicsHttp.dynamicDetail(id: id);
         if (res.isSuccess) {
           final ctr = Get.find<DynamicsTabController>(tag: 'all');
           if (ctr.loadingState.value.isSuccess) {
@@ -308,7 +308,10 @@ abstract final class RequestUtils {
           if (!isManual) {
             await Future.delayed(const Duration(seconds: 5));
           }
-          var res = await DynamicsHttp.dynamicDetail(id: id, clearCookie: true);
+          final res = await DynamicsHttp.dynamicDetail(
+            id: id,
+            clearCookie: true,
+          );
           final isSuccess = res.isSuccess;
           showDialog(
             context: Get.context!,
@@ -364,7 +367,7 @@ abstract final class RequestUtils {
     int count = like?.count ?? 0;
     bool status = like?.status ?? false;
     int up = status ? 2 : 1;
-    var res = await DynamicsHttp.thumbDynamic(dynamicId: dynamicId, up: up);
+    final res = await DynamicsHttp.thumbDynamic(dynamicId: dynamicId, up: up);
     if (res.isSuccess) {
       SmartDialog.showToast(!status ? '点赞成功' : '取消赞');
       if (up == 1) {
@@ -552,7 +555,7 @@ abstract final class RequestUtils {
       return;
     }
 
-    var registerData = Gt3RegisterData(
+    final registerData = Gt3RegisterData(
       challenge: challenge,
       gt: gt,
       success: true,
diff --git a/lib/utils/video_utils.dart b/lib/utils/video_utils.dart
index 611b58d3f..08d000a80 100644
--- a/lib/utils/video_utils.dart
+++ b/lib/utils/video_utils.dart
@@ -33,7 +33,7 @@ abstract final class VideoUtils {
     String? mcdnUpgcxcode;
 
     String last = '';
-    for (var url in urls) {
+    for (final url in urls) {
       last = url;
       if (_mirrorRegex.hasMatch(url)) {
         final uri = Uri.parse(url);