diff --git a/lib/common/widgets/badge.dart b/lib/common/widgets/badge.dart
index 6eb745745..bd10cebe5 100644
--- a/lib/common/widgets/badge.dart
+++ b/lib/common/widgets/badge.dart
@@ -1,5 +1,6 @@
 import 'package:PiliPlus/models/common/badge_type.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
diff --git a/lib/common/widgets/custom_tooltip.dart b/lib/common/widgets/custom_tooltip.dart
index 17dec22f0..52696e0aa 100644
--- a/lib/common/widgets/custom_tooltip.dart
+++ b/lib/common/widgets/custom_tooltip.dart
@@ -1,7 +1,7 @@
 import 'dart:math' as math;
 import 'dart:ui' show clampDouble;
 
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 
@@ -150,7 +150,7 @@ class CustomTooltipState extends State<CustomTooltip>
   @override
   Widget build(BuildContext context) {
     Widget result;
-    if (Utils.isMobile) {
+    if (PlatformUtils.isMobile) {
       result = Listener(
         onPointerDown: _handlePointerDown,
         behavior: HitTestBehavior.opaque,
@@ -215,7 +215,7 @@ class _CustomTooltipOverlay extends StatelessWidget {
           ),
       ],
     );
-    if (Utils.isMobile) {
+    if (PlatformUtils.isMobile) {
       return GestureDetector(
         behavior: HitTestBehavior.opaque,
         onTap: onDismiss,
diff --git a/lib/common/widgets/dialog/report.dart b/lib/common/widgets/dialog/report.dart
index 13ec24a66..6ff44848a 100644
--- a/lib/common/widgets/dialog/report.dart
+++ b/lib/common/widgets/dialog/report.dart
@@ -1,5 +1,5 @@
 import 'package:PiliPlus/common/widgets/radio_widget.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
diff --git a/lib/common/widgets/image/custom_grid_view.dart b/lib/common/widgets/image/custom_grid_view.dart
index 7ef2ddf14..4f13cc326 100644
--- a/lib/common/widgets/image/custom_grid_view.dart
+++ b/lib/common/widgets/image/custom_grid_view.dart
@@ -23,8 +23,9 @@ import 'package:PiliPlus/common/widgets/flutter/custom_layout.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models/common/badge_type.dart';
 import 'package:PiliPlus/models/common/image_preview_type.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
+import 'package:PiliPlus/utils/extension/num_ext.dart';
+import 'package:PiliPlus/utils/extension/size_ext.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:flutter/material.dart'
diff --git a/lib/common/widgets/image/image_save.dart b/lib/common/widgets/image/image_save.dart
index 9fecfc772..a63256138 100644
--- a/lib/common/widgets/image/image_save.dart
+++ b/lib/common/widgets/image/image_save.dart
@@ -3,7 +3,7 @@ import 'package:PiliPlus/common/widgets/button/icon_button.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/http/user.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
@@ -105,7 +105,7 @@ void imageSaveDialog({
                       icon: const Icon(Icons.watch_later_outlined),
                     ),
                   if (cover != null && cover.isNotEmpty) ...[
-                    if (Utils.isMobile)
+                    if (PlatformUtils.isMobile)
                       iconBtn(
                         tooltip: '分享',
                         onPressed: () {
diff --git a/lib/common/widgets/image/network_img_layer.dart b/lib/common/widgets/image/network_img_layer.dart
index e7b5d8bd0..ebb276876 100644
--- a/lib/common/widgets/image/network_img_layer.dart
+++ b/lib/common/widgets/image/network_img_layer.dart
@@ -1,6 +1,6 @@
 import 'package:PiliPlus/common/constants.dart';
 import 'package:PiliPlus/models/common/image_type.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/num_ext.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:cached_network_image/cached_network_image.dart';
diff --git a/lib/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart b/lib/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart
index a46434e31..01e29386f 100644
--- a/lib/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart
+++ b/lib/common/widgets/interactiveviewer_gallery/interactiveviewer_gallery.dart
@@ -2,9 +2,10 @@ import 'dart:io';
 
 import 'package:PiliPlus/common/widgets/interactiveviewer_gallery/interactive_viewer_boundary.dart';
 import 'package:PiliPlus/models/common/image_preview_type.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:cached_network_image/cached_network_image.dart';
@@ -272,7 +273,7 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
                   onDoubleTap,
                 ),
                 onLongPress: !isFileImg ? () => onLongPress(item) : null,
-                onSecondaryTap: !isFileImg && !Utils.isMobile
+                onSecondaryTap: !isFileImg && !PlatformUtils.isMobile
                     ? () => onLongPress(item)
                     : null,
                 child: widget.itemBuilder != null
@@ -415,7 +416,7 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
           content: Column(
             mainAxisSize: MainAxisSize.min,
             children: [
-              if (Utils.isMobile)
+              if (PlatformUtils.isMobile)
                 ListTile(
                   onTap: () {
                     Get.back();
@@ -443,7 +444,7 @@ class _InteractiveviewerGalleryState extends State<InteractiveviewerGallery>
                 dense: true,
                 title: const Text('保存图片', style: TextStyle(fontSize: 14)),
               ),
-              if (Utils.isDesktop)
+              if (PlatformUtils.isDesktop)
                 ListTile(
                   onTap: () {
                     Get.back();
diff --git a/lib/common/widgets/pendant_avatar.dart b/lib/common/widgets/pendant_avatar.dart
index 9384cfd15..fd065381e 100644
--- a/lib/common/widgets/pendant_avatar.dart
+++ b/lib/common/widgets/pendant_avatar.dart
@@ -1,7 +1,7 @@
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models/common/avatar_badge_type.dart';
 import 'package:PiliPlus/models/common/image_type.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
diff --git a/lib/common/widgets/video_card/video_card_h.dart b/lib/common/widgets/video_card/video_card_h.dart
index bf31a70e3..9507aaec6 100644
--- a/lib/common/widgets/video_card/video_card_h.dart
+++ b/lib/common/widgets/video_card/video_card_h.dart
@@ -14,7 +14,7 @@ import 'package:PiliPlus/models/search/result.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 
@@ -70,7 +70,7 @@ class VideoCardH extends StatelessWidget {
         children: [
           InkWell(
             onLongPress: onLongPress,
-            onSecondaryTap: Utils.isMobile ? null : onLongPress,
+            onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
             onTap:
                 onTap ??
                 () async {
diff --git a/lib/common/widgets/video_card/video_card_v.dart b/lib/common/widgets/video_card/video_card_v.dart
index c54b2f2d4..0023cc372 100644
--- a/lib/common/widgets/video_card/video_card_v.dart
+++ b/lib/common/widgets/video_card/video_card_v.dart
@@ -13,6 +13,7 @@ import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
@@ -80,7 +81,7 @@ class VideoCardV extends StatelessWidget {
           child: InkWell(
             onTap: () => onPushDetail(Utils.makeHeroTag(videoItem.aid)),
             onLongPress: onLongPress,
-            onSecondaryTap: Utils.isMobile ? null : onLongPress,
+            onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
             child: Column(
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
diff --git a/lib/http/download.dart b/lib/http/download.dart
index 5ba2e4d99..92ad6a963 100644
--- a/lib/http/download.dart
+++ b/lib/http/download.dart
@@ -8,7 +8,7 @@ import 'package:PiliPlus/models/video/play/url.dart';
 import 'package:PiliPlus/models_new/download/bili_download_entry_info.dart';
 import 'package:PiliPlus/models_new/download/bili_download_media_file_info.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:PiliPlus/utils/video_utils.dart';
 import 'package:get/get_utils/get_utils.dart';
diff --git a/lib/http/search.dart b/lib/http/search.dart
index c110fdd90..702a43dfd 100644
--- a/lib/http/search.dart
+++ b/lib/http/search.dart
@@ -10,7 +10,7 @@ import 'package:PiliPlus/models_new/dynamic/dyn_topic_pub_search/data.dart';
 import 'package:PiliPlus/models_new/pgc/pgc_info_model/result.dart';
 import 'package:PiliPlus/models_new/search/search_rcmd/data.dart';
 import 'package:PiliPlus/models_new/search/search_trending/data.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:PiliPlus/utils/request_utils.dart';
 import 'package:PiliPlus/utils/wbi_sign.dart';
 import 'package:dio/dio.dart';
diff --git a/lib/http/ua_type.dart b/lib/http/ua_type.dart
index 10dc27e38..124b56525 100644
--- a/lib/http/ua_type.dart
+++ b/lib/http/ua_type.dart
@@ -1,4 +1,4 @@
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 
 enum UaType {
   mob(
@@ -9,7 +9,7 @@ enum UaType {
   )
   ;
 
-  static UaType get platformUA => Utils.isMobile ? mob : pc;
+  static UaType get platformUA => PlatformUtils.isMobile ? mob : pc;
 
   final String ua;
   const UaType(this.ua);
diff --git a/lib/http/video.dart b/lib/http/video.dart
index 9c4c36506..7c8c6df96 100644
--- a/lib/http/video.dart
+++ b/lib/http/video.dart
@@ -27,7 +27,7 @@ import 'package:PiliPlus/models_new/video/video_play_info/data.dart';
 import 'package:PiliPlus/models_new/video/video_relation/data.dart';
 import 'package:PiliPlus/utils/accounts.dart';
 import 'package:PiliPlus/utils/app_sign.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/global_data.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/recommend_filter.dart';
diff --git a/lib/main.dart b/lib/main.dart
index 4d06e4e90..2e3d53821 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -18,6 +18,7 @@ import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/json_file_handler.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:PiliPlus/utils/path_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/request_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
@@ -55,7 +56,7 @@ void main() async {
     if (kDebugMode) debugPrint('GStorage init error: $e');
     exit(0);
   }
-  if (Utils.isDesktop) {
+  if (PlatformUtils.isDesktop) {
     final customDownPath = Pref.downloadPath;
     if (customDownPath != null && customDownPath.isNotEmpty) {
       try {
@@ -89,7 +90,7 @@ void main() async {
 
   CacheManager.autoClearCache();
 
-  if (Utils.isMobile) {
+  if (PlatformUtils.isMobile) {
     await Future.wait([
       SystemChrome.setPreferredOrientations(
         [
@@ -122,7 +123,7 @@ void main() async {
     displayType: SmartToastType.onlyRefresh,
   );
 
-  if (Utils.isMobile) {
+  if (PlatformUtils.isMobile) {
     PiliScheme.init();
     SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge);
     SystemChrome.setSystemUIOverlayStyle(
@@ -149,7 +150,7 @@ void main() async {
         FlutterDisplayMode.setPreferredMode(displayMode ?? DisplayMode.auto);
       });
     }
-  } else if (Utils.isDesktop) {
+  } else if (PlatformUtils.isDesktop) {
     await windowManager.ensureInitialized();
 
     WindowOptions windowOptions = WindowOptions(
@@ -304,7 +305,7 @@ class MyApp extends StatelessWidget {
             ),
             child: child!,
           );
-          if (Utils.isDesktop) {
+          if (PlatformUtils.isDesktop) {
             return Focus(
               canRequestFocus: false,
               onKeyEvent: (_, event) {
@@ -336,7 +337,7 @@ class MyApp extends StatelessWidget {
           PointerDeviceKind.invertedStylus,
           PointerDeviceKind.trackpad,
           PointerDeviceKind.unknown,
-          if (Utils.isDesktop) PointerDeviceKind.mouse,
+          if (PlatformUtils.isDesktop) PointerDeviceKind.mouse,
         },
       ),
     );
diff --git a/lib/models/dynamics/result.dart b/lib/models/dynamics/result.dart
index 5e87fb65b..3089a86da 100644
--- a/lib/models/dynamics/result.dart
+++ b/lib/models/dynamics/result.dart
@@ -5,7 +5,7 @@ import 'package:PiliPlus/models/common/dynamic/dynamics_type.dart';
 import 'package:PiliPlus/models/dynamics/article_content_model.dart';
 import 'package:PiliPlus/models/model_avatar.dart';
 import 'package:PiliPlus/models_new/live/live_feed_index/watched_show.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:PiliPlus/utils/utils.dart';
 
diff --git a/lib/models/dynamics/vote_model.dart b/lib/models/dynamics/vote_model.dart
index 5e2373606..1c04bc8ec 100644
--- a/lib/models/dynamics/vote_model.dart
+++ b/lib/models/dynamics/vote_model.dart
@@ -1,4 +1,4 @@
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class SimpleVoteInfo {
   int? choiceCnt;
diff --git a/lib/models/search/result.dart b/lib/models/search/result.dart
index 72fc2cd58..4aa50c4fb 100644
--- a/lib/models/search/result.dart
+++ b/lib/models/search/result.dart
@@ -3,7 +3,8 @@ import 'package:PiliPlus/models/model_owner.dart';
 import 'package:PiliPlus/models/model_video.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
 import 'package:PiliPlus/utils/em.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 
 abstract class SearchNumData<T> {
   SearchNumData({
diff --git a/lib/models/user/info.dart b/lib/models/user/info.dart
index 0e3f6edaf..334e3f80a 100644
--- a/lib/models/user/info.dart
+++ b/lib/models/user/info.dart
@@ -1,4 +1,4 @@
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/map_ext.dart';
 import 'package:hive/hive.dart';
 
 part 'info.g.dart';
diff --git a/lib/models/video/play/url.dart b/lib/models/video/play/url.dart
index ff874bc9d..b3f3ef5f6 100644
--- a/lib/models/video/play/url.dart
+++ b/lib/models/video/play/url.dart
@@ -3,7 +3,7 @@ import 'dart:math' show max, min;
 import 'package:PiliPlus/models/common/video/audio_quality.dart';
 import 'package:PiliPlus/models/common/video/video_quality.dart';
 import 'package:PiliPlus/models_new/sponsor_block/segment_item.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:flutter/foundation.dart' show kDebugMode;
 
 class PlayUrlModel {
diff --git a/lib/models_new/article/article_info/data.dart b/lib/models_new/article/article_info/data.dart
index 4390a1b6f..5f74a4b76 100644
--- a/lib/models_new/article/article_info/data.dart
+++ b/lib/models_new/article/article_info/data.dart
@@ -1,6 +1,6 @@
 import 'package:PiliPlus/models_new/article/article_info/share_channel.dart';
 import 'package:PiliPlus/models_new/article/article_info/stats.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class ArticleInfoData {
   int? like;
diff --git a/lib/models_new/article/article_list/article.dart b/lib/models_new/article/article_list/article.dart
index 18f1c892c..7767a3c6d 100644
--- a/lib/models_new/article/article_list/article.dart
+++ b/lib/models_new/article/article_list/article.dart
@@ -1,6 +1,6 @@
 import 'package:PiliPlus/models_new/article/article_list/category.dart';
 import 'package:PiliPlus/models_new/article/article_list/stats.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class ArticleListItemModel {
   int? id;
diff --git a/lib/models_new/article/article_list/last.dart b/lib/models_new/article/article_list/last.dart
index 3678509cb..ae283f843 100644
--- a/lib/models_new/article/article_list/last.dart
+++ b/lib/models_new/article/article_list/last.dart
@@ -1,5 +1,5 @@
 import 'package:PiliPlus/models_new/article/article_list/category.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class Last {
   int? id;
diff --git a/lib/models_new/article/article_view/data.dart b/lib/models_new/article/article_view/data.dart
index 70d2a9d34..29d8e90e9 100644
--- a/lib/models_new/article/article_view/data.dart
+++ b/lib/models_new/article/article_view/data.dart
@@ -5,7 +5,7 @@ import 'package:PiliPlus/models_new/article/article_view/ops.dart';
 import 'package:PiliPlus/models_new/article/article_view/opus.dart';
 import 'package:PiliPlus/models_new/article/article_view/stats.dart';
 import 'package:PiliPlus/models_new/article/article_view/tag.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class ArticleViewData {
   int? id;
diff --git a/lib/models_new/download/bili_download_media_file_info.dart b/lib/models_new/download/bili_download_media_file_info.dart
index 0a7551827..e439c479f 100644
--- a/lib/models_new/download/bili_download_media_file_info.dart
+++ b/lib/models_new/download/bili_download_media_file_info.dart
@@ -1,4 +1,4 @@
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 sealed class BiliDownloadMediaInfo {
   const BiliDownloadMediaInfo();
diff --git a/lib/models_new/fav/fav_pgc/list.dart b/lib/models_new/fav/fav_pgc/list.dart
index b68bc095b..70a711fcd 100644
--- a/lib/models_new/fav/fav_pgc/list.dart
+++ b/lib/models_new/fav/fav_pgc/list.dart
@@ -12,7 +12,7 @@ import 'package:PiliPlus/models_new/fav/fav_pgc/section.dart';
 import 'package:PiliPlus/models_new/fav/fav_pgc/series.dart';
 import 'package:PiliPlus/models_new/fav/fav_pgc/stat.dart';
 import 'package:PiliPlus/pages/common/multi_select/base.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class FavPgcItemModel with MultiSelectData {
   int? seasonId;
diff --git a/lib/models_new/fav/fav_pgc/section.dart b/lib/models_new/fav/fav_pgc/section.dart
index 44941f5a3..100ddd724 100644
--- a/lib/models_new/fav/fav_pgc/section.dart
+++ b/lib/models_new/fav/fav_pgc/section.dart
@@ -1,4 +1,4 @@
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class Section {
   int? sectionId;
diff --git a/lib/models_new/history/history.dart b/lib/models_new/history/history.dart
index a13a3c0f4..b9b45f4c2 100644
--- a/lib/models_new/history/history.dart
+++ b/lib/models_new/history/history.dart
@@ -6,7 +6,6 @@ class History {
   int? cid;
   String? part;
   String? business;
-  int? dt;
 
   History({
     this.oid,
@@ -16,7 +15,6 @@ class History {
     this.cid,
     this.part,
     this.business,
-    this.dt,
   });
 
   factory History.fromJson(Map<String, dynamic> json) => History(
@@ -27,6 +25,5 @@ class History {
     cid: json['cid'] == 0 ? null : json['cid'],
     part: json['part'],
     business: json['business'],
-    dt: json['dt'],
   );
 }
diff --git a/lib/models_new/history/list.dart b/lib/models_new/history/list.dart
index abecdf127..2c9d485f3 100644
--- a/lib/models_new/history/list.dart
+++ b/lib/models_new/history/list.dart
@@ -1,6 +1,6 @@
 import 'package:PiliPlus/models_new/history/history.dart';
 import 'package:PiliPlus/pages/common/multi_select/base.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class HistoryItemModel with MultiSelectData {
   String? title;
diff --git a/lib/models_new/later/bangumi.dart b/lib/models_new/later/bangumi.dart
index cfa23526d..0b1a55efb 100644
--- a/lib/models_new/later/bangumi.dart
+++ b/lib/models_new/later/bangumi.dart
@@ -4,8 +4,6 @@ class Bangumi {
   int? epId;
   String? title;
   String? longTitle;
-  int? episodeStatus;
-  int? follow;
   String? cover;
   Season? season;
 
@@ -13,8 +11,6 @@ class Bangumi {
     this.epId,
     this.title,
     this.longTitle,
-    this.episodeStatus,
-    this.follow,
     this.cover,
     this.season,
   });
@@ -23,8 +19,6 @@ class Bangumi {
     epId: json['ep_id'] as int?,
     title: json['title'] as String?,
     longTitle: json['long_title'] as String?,
-    episodeStatus: json['episode_status'] as int?,
-    follow: json['follow'] as int?,
     cover: json['cover'] as String?,
     season: json['season'] == null
         ? null
diff --git a/lib/models_new/later/dimension.dart b/lib/models_new/later/dimension.dart
deleted file mode 100644
index c2fba44eb..000000000
--- a/lib/models_new/later/dimension.dart
+++ /dev/null
@@ -1,13 +0,0 @@
-class Dimension {
-  int? width;
-  int? height;
-  int? rotate;
-
-  Dimension({this.width, this.height, this.rotate});
-
-  factory Dimension.fromJson(Map<String, dynamic> json) => Dimension(
-    width: json['width'] as int?,
-    height: json['height'] as int?,
-    rotate: json['rotate'] as int?,
-  );
-}
diff --git a/lib/models_new/later/list.dart b/lib/models_new/later/list.dart
index d76267a82..a2739f6f3 100644
--- a/lib/models_new/later/list.dart
+++ b/lib/models_new/later/list.dart
@@ -1,6 +1,5 @@
+import 'package:PiliPlus/models/model_owner.dart';
 import 'package:PiliPlus/models_new/later/bangumi.dart';
-import 'package:PiliPlus/models_new/later/dimension.dart';
-import 'package:PiliPlus/models_new/later/owner.dart';
 import 'package:PiliPlus/models_new/later/page.dart';
 import 'package:PiliPlus/models_new/later/rights.dart';
 import 'package:PiliPlus/models_new/later/stat.dart';
@@ -9,94 +8,46 @@ import 'package:PiliPlus/pages/common/multi_select/base.dart';
 class LaterItemModel with MultiSelectData {
   int? aid;
   int? videos;
-  int? tid;
-  String? tname;
-  int? copyright;
   String? pic;
   String? title;
   String? subtitle;
   int? pubdate;
-  int? ctime;
-  String? desc;
-  int? state;
   int? duration;
   String? redirectUrl;
   Rights? rights;
   Owner? owner;
   Stat? stat;
-  String? dynam1c;
-  Dimension? dimension;
-  String? shortLinkV2;
-  int? upFromV2;
-  String? pubLocation;
-  String? cover43;
-  int? tidv2;
-  String? tnamev2;
-  int? pidV2;
-  String? pidNameV2;
   List<Page>? pages;
   Bangumi? bangumi;
   int? cid;
   int? progress;
-  int? addAt;
   String? bvid;
-  String? uri;
-  bool? viewed;
-  int? seq;
-  int? enableVt;
-  String? viewText1;
   bool? isPgc;
   String? pgcLabel;
   bool? isPugv;
-  int? missionId;
-  String? firstFrame;
   int? seasonId;
   bool? isCharging;
 
   LaterItemModel({
     this.aid,
     this.videos,
-    this.tid,
-    this.tname,
-    this.copyright,
     this.pic,
     this.title,
     this.subtitle,
     this.pubdate,
-    this.ctime,
-    this.desc,
-    this.state,
     this.duration,
     this.redirectUrl,
     this.rights,
     this.owner,
     this.stat,
-    this.dynam1c,
-    this.dimension,
-    this.shortLinkV2,
-    this.upFromV2,
-    this.pubLocation,
-    this.cover43,
-    this.tidv2,
-    this.tnamev2,
-    this.pidV2,
-    this.pidNameV2,
     this.pages,
     this.bangumi,
     this.cid,
     this.progress,
-    this.addAt,
     this.bvid,
-    this.uri,
-    this.viewed,
-    this.seq,
-    this.enableVt,
-    this.viewText1,
     this.isPgc,
     this.pgcLabel,
     this.isPugv,
-    this.missionId,
-    this.firstFrame,
     this.seasonId,
     this.isCharging,
   });
@@ -104,15 +55,9 @@ class LaterItemModel with MultiSelectData {
   factory LaterItemModel.fromJson(Map<String, dynamic> json) => LaterItemModel(
     aid: json['aid'] as int?,
     videos: json['videos'] as int?,
-    tid: json['tid'] as int?,
-    tname: json['tname'] as String?,
-    copyright: json['copyright'] as int?,
     pic: json['pic'] as String?,
     title: json['title'] as String?,
     pubdate: json['pubdate'] as int?,
-    ctime: json['ctime'] as int?,
-    desc: json['desc'] as String?,
-    state: json['state'] as int?,
     duration: json['duration'] as int?,
     redirectUrl: json['redirect_url'] as String?,
     rights: json['rights'] == null
@@ -124,18 +69,6 @@ class LaterItemModel with MultiSelectData {
     stat: json['stat'] == null
         ? null
         : Stat.fromJson(json['stat'] as Map<String, dynamic>),
-    dynam1c: json['dynamic'] as String?,
-    dimension: json['dimension'] == null
-        ? null
-        : Dimension.fromJson(json['dimension'] as Map<String, dynamic>),
-    shortLinkV2: json['short_link_v2'] as String?,
-    upFromV2: json['up_from_v2'] as int?,
-    pubLocation: json['pub_location'] as String?,
-    cover43: json['cover43'] as String?,
-    tidv2: json['tidv2'] as int?,
-    tnamev2: json['tnamev2'] as String?,
-    pidV2: json['pid_v2'] as int?,
-    pidNameV2: json['pid_name_v2'] as String?,
     pages: (json['pages'] as List<dynamic>?)
         ?.map((e) => Page.fromJson(e as Map<String, dynamic>))
         .toList(),
@@ -150,18 +83,10 @@ class LaterItemModel with MultiSelectData {
           ),
     cid: json['cid'] as int?,
     progress: json['progress'] as int?,
-    addAt: json['add_at'] as int?,
     bvid: json['bvid'] as String?,
-    uri: json['uri'] as String?,
-    viewed: json['viewed'] as bool?,
-    seq: json['seq'] as int?,
-    enableVt: json['enable_vt'] as int?,
-    viewText1: json['view_text_1'] as String?,
     isPgc: json['is_pgc'] as bool?,
     pgcLabel: json['pgc_label'] == '' ? null : json['pgc_label'],
     isPugv: json['is_pugv'] as bool?,
-    missionId: json['mission_id'] as int?,
-    firstFrame: json['first_frame'] as String?,
     seasonId: json['season_id'] as int?,
     isCharging: json['charging_pay']?['level'] != null,
   );
diff --git a/lib/models_new/later/owner.dart b/lib/models_new/later/owner.dart
deleted file mode 100644
index b0565f08b..000000000
--- a/lib/models_new/later/owner.dart
+++ /dev/null
@@ -1,13 +0,0 @@
-class Owner {
-  int? mid;
-  String? name;
-  String? face;
-
-  Owner({this.mid, this.name, this.face});
-
-  factory Owner.fromJson(Map<String, dynamic> json) => Owner(
-    mid: json['mid'] as int?,
-    name: json['name'] as String?,
-    face: json['face'] as String?,
-  );
-}
diff --git a/lib/models_new/later/page.dart b/lib/models_new/later/page.dart
index 3098302b7..f902e749c 100644
--- a/lib/models_new/later/page.dart
+++ b/lib/models_new/later/page.dart
@@ -1,39 +1,17 @@
-import 'package:PiliPlus/models_new/later/dimension.dart';
-
 class Page {
   int? cid;
   int? page;
-  String? from;
-  String? part;
   int? duration;
-  String? vid;
-  String? weblink;
-  Dimension? dimension;
-  int? ctime;
 
   Page({
     this.cid,
     this.page,
-    this.from,
-    this.part,
     this.duration,
-    this.vid,
-    this.weblink,
-    this.dimension,
-    this.ctime,
   });
 
   factory Page.fromJson(Map<String, dynamic> json) => Page(
     cid: json['cid'] as int?,
     page: json['page'] as int?,
-    from: json['from'] as String?,
-    part: json['part'] as String?,
     duration: json['duration'] as int?,
-    vid: json['vid'] as String?,
-    weblink: json['weblink'] as String?,
-    dimension: json['dimension'] == null
-        ? null
-        : Dimension.fromJson(json['dimension'] as Map<String, dynamic>),
-    ctime: json['ctime'] as int?,
   );
 }
diff --git a/lib/models_new/later/rights.dart b/lib/models_new/later/rights.dart
index 70e883f7f..0df41a5c8 100644
--- a/lib/models_new/later/rights.dart
+++ b/lib/models_new/later/rights.dart
@@ -1,50 +1,11 @@
 class Rights {
-  int? bp;
-  int? elec;
-  int? download;
-  int? movie;
-  int? pay;
-  int? hd5;
-  int? noReprint;
-  int? autoplay;
-  int? ugcPay;
   int? isCooperation;
-  int? ugcPayPreview;
-  int? noBackground;
-  int? arcPay;
-  int? payFreeWatch;
 
   Rights({
-    this.bp,
-    this.elec,
-    this.download,
-    this.movie,
-    this.pay,
-    this.hd5,
-    this.noReprint,
-    this.autoplay,
-    this.ugcPay,
     this.isCooperation,
-    this.ugcPayPreview,
-    this.noBackground,
-    this.arcPay,
-    this.payFreeWatch,
   });
 
   factory Rights.fromJson(Map<String, dynamic> json) => Rights(
-    bp: json['bp'] as int?,
-    elec: json['elec'] as int?,
-    download: json['download'] as int?,
-    movie: json['movie'] as int?,
-    pay: json['pay'] as int?,
-    hd5: json['hd5'] as int?,
-    noReprint: json['no_reprint'] as int?,
-    autoplay: json['autoplay'] as int?,
-    ugcPay: json['ugc_pay'] as int?,
     isCooperation: json['is_cooperation'] as int?,
-    ugcPayPreview: json['ugc_pay_preview'] as int?,
-    noBackground: json['no_background'] as int?,
-    arcPay: json['arc_pay'] as int?,
-    payFreeWatch: json['pay_free_watch'] as int?,
   );
 }
diff --git a/lib/models_new/later/season.dart b/lib/models_new/later/season.dart
index b975f37ab..c45969b3f 100644
--- a/lib/models_new/later/season.dart
+++ b/lib/models_new/later/season.dart
@@ -1,32 +1,14 @@
 class Season {
   int? seasonId;
   String? title;
-  int? seasonStatus;
-  int? isFinish;
-  int? totalCount;
-  int? newestEpId;
-  String? newestEpIndex;
-  int? seasonType;
 
   Season({
     this.seasonId,
     this.title,
-    this.seasonStatus,
-    this.isFinish,
-    this.totalCount,
-    this.newestEpId,
-    this.newestEpIndex,
-    this.seasonType,
   });
 
   factory Season.fromJson(Map<String, dynamic> json) => Season(
     seasonId: json['season_id'] as int?,
     title: json['title'] as String?,
-    seasonStatus: json['season_status'] as int?,
-    isFinish: json['is_finish'] as int?,
-    totalCount: json['total_count'] as int?,
-    newestEpId: json['newest_ep_id'] as int?,
-    newestEpIndex: json['newest_ep_index'] as String?,
-    seasonType: json['season_type'] as int?,
   );
 }
diff --git a/lib/models_new/later/stat.dart b/lib/models_new/later/stat.dart
index 9f3ff07f5..8c03db17d 100644
--- a/lib/models_new/later/stat.dart
+++ b/lib/models_new/later/stat.dart
@@ -2,46 +2,16 @@ class Stat {
   int? aid;
   int? view;
   int? danmaku;
-  int? reply;
-  int? favorite;
-  num? coin;
-  int? share;
-  int? nowRank;
-  int? hisRank;
-  int? like;
-  int? dislike;
-  int? vt;
-  int? vv;
 
   Stat({
     this.aid,
     this.view,
     this.danmaku,
-    this.reply,
-    this.favorite,
-    this.coin,
-    this.share,
-    this.nowRank,
-    this.hisRank,
-    this.like,
-    this.dislike,
-    this.vt,
-    this.vv,
   });
 
   factory Stat.fromJson(Map<String, dynamic> json) => Stat(
     aid: json['aid'] as int?,
     view: json['view'] as int?,
     danmaku: json['danmaku'] as int?,
-    reply: json['reply'] as int?,
-    favorite: json['favorite'] as int?,
-    coin: json['coin'] as num?,
-    share: json['share'] as int?,
-    nowRank: json['now_rank'] as int?,
-    hisRank: json['his_rank'] as int?,
-    like: json['like'] as int?,
-    dislike: json['dislike'] as int?,
-    vt: json['vt'] as int?,
-    vv: json['vv'] as int?,
   );
 }
diff --git a/lib/models_new/live/live_area_list/area_item.dart b/lib/models_new/live/live_area_list/area_item.dart
index 85fdb0c4e..a2986fc18 100644
--- a/lib/models_new/live/live_area_list/area_item.dart
+++ b/lib/models_new/live/live_area_list/area_item.dart
@@ -1,33 +1,24 @@
 class AreaItem {
   dynamic id;
   String? name;
-  String? link;
   String? pic;
   dynamic parentId;
   String? parentName;
-  int? areaType;
-  int? tagType;
 
   AreaItem({
     this.id,
     this.name,
-    this.link,
     this.pic,
     this.parentId,
     this.parentName,
-    this.areaType,
-    this.tagType,
   });
 
   factory AreaItem.fromJson(Map<String, dynamic> json) => AreaItem(
     id: json['id'],
     name: json['name'] as String?,
-    link: json['link'] as String?,
     pic: json['pic'] as String?,
     parentId: json['parent_id'],
     parentName: json['parent_name'] as String?,
-    areaType: json['area_type'] as int?,
-    tagType: json['tag_type'] as int?,
   );
 
   @override
diff --git a/lib/models_new/live/live_dm_block/shield_info.dart b/lib/models_new/live/live_dm_block/shield_info.dart
index 3d7693133..d7fc75430 100644
--- a/lib/models_new/live/live_dm_block/shield_info.dart
+++ b/lib/models_new/live/live_dm_block/shield_info.dart
@@ -1,20 +1,16 @@
 import 'package:PiliPlus/models_new/live/live_dm_block/shield_rules.dart';
 import 'package:PiliPlus/models_new/live/live_dm_block/shield_user_list.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class ShieldInfo {
   List<ShieldUserList>? shieldUserList;
   List<String>? keywordList;
   ShieldRules? shieldRules;
-  bool? isBlock;
-  int? blockExpired;
 
   ShieldInfo({
     this.shieldUserList,
     this.keywordList,
     this.shieldRules,
-    this.isBlock,
-    this.blockExpired,
   });
 
   factory ShieldInfo.fromJson(Map<String, dynamic> json) => ShieldInfo(
@@ -25,7 +21,5 @@ class ShieldInfo {
     shieldRules: json['shield_rules'] == null
         ? null
         : ShieldRules.fromJson(json['shield_rules'] as Map<String, dynamic>),
-    isBlock: json['is_block'] as bool?,
-    blockExpired: json['block_expired'] as int?,
   );
 }
diff --git a/lib/models_new/live/live_dm_info/data.dart b/lib/models_new/live/live_dm_info/data.dart
index a964c5d4e..ffca3bee2 100644
--- a/lib/models_new/live/live_dm_info/data.dart
+++ b/lib/models_new/live/live_dm_info/data.dart
@@ -1,30 +1,15 @@
 import 'package:PiliPlus/models_new/live/live_dm_info/host_list.dart';
 
 class LiveDmInfoData {
-  String? group;
-  int? businessId;
-  double? refreshRowFactor;
-  int? refreshRate;
-  int? maxDelay;
   String? token;
   List<HostList>? hostList;
 
   LiveDmInfoData({
-    this.group,
-    this.businessId,
-    this.refreshRowFactor,
-    this.refreshRate,
-    this.maxDelay,
     this.token,
     this.hostList,
   });
 
   factory LiveDmInfoData.fromJson(Map<String, dynamic> json) => LiveDmInfoData(
-    group: json['group'] as String?,
-    businessId: json['business_id'] as int?,
-    refreshRowFactor: (json['refresh_row_factor'] as num?)?.toDouble(),
-    refreshRate: json['refresh_rate'] as int?,
-    maxDelay: json['max_delay'] as int?,
     token: json['token'] as String?,
     hostList: (json['host_list'] as List<dynamic>?)
         ?.map((e) => HostList.fromJson(e as Map<String, dynamic>))
diff --git a/lib/models_new/live/live_feed_index/card_data_item.dart b/lib/models_new/live/live_feed_index/card_data_item.dart
index e6e08ae20..eff104eb7 100644
--- a/lib/models_new/live/live_feed_index/card_data_item.dart
+++ b/lib/models_new/live/live_feed_index/card_data_item.dart
@@ -1,23 +1,17 @@
 import 'package:PiliPlus/models_new/live/live_feed_index/card_data_list_item.dart';
-import 'package:PiliPlus/models_new/live/live_feed_index/module_info.dart';
 
 class CardDataItem {
-  ModuleInfo? moduleInfo;
   List<CardLiveItem>? list;
   dynamic topView;
   ExtraInfo? extraInfo;
 
   CardDataItem({
-    this.moduleInfo,
     this.list,
     this.topView,
     this.extraInfo,
   });
 
   factory CardDataItem.fromJson(Map<String, dynamic> json) => CardDataItem(
-    moduleInfo: json['module_info'] == null
-        ? null
-        : ModuleInfo.fromJson(json['module_info'] as Map<String, dynamic>),
     list: (json['list'] as List<dynamic>?)
         ?.map((e) => CardLiveItem.fromJson(e as Map<String, dynamic>))
         .toList(),
diff --git a/lib/models_new/live/live_feed_index/card_data_list_item.dart b/lib/models_new/live/live_feed_index/card_data_list_item.dart
index ba0d90b8e..9fdfba22b 100644
--- a/lib/models_new/live/live_feed_index/card_data_list_item.dart
+++ b/lib/models_new/live/live_feed_index/card_data_list_item.dart
@@ -7,21 +7,13 @@ class CardLiveItem {
   String? face;
   String? cover;
   String? title;
-  int? area;
   int? liveTime;
   String? areaName;
   int? areaV2Id;
   String? areaV2Name;
   String? areaV2ParentName;
   int? areaV2ParentId;
-  String? liveTagName;
-  int? online;
-  String? link;
-  int? officialVerify;
-  int? currentQn;
   WatchedShow? watchedShow;
-  String? statusText;
-  int? tagType;
 
   CardLiveItem({
     this.roomid,
@@ -30,21 +22,13 @@ class CardLiveItem {
     this.face,
     this.cover,
     this.title,
-    this.area,
     this.liveTime,
     this.areaName,
     this.areaV2Id,
     this.areaV2Name,
     this.areaV2ParentName,
     this.areaV2ParentId,
-    this.liveTagName,
-    this.online,
-    this.link,
-    this.officialVerify,
-    this.currentQn,
     this.watchedShow,
-    this.statusText,
-    this.tagType,
   });
 
   factory CardLiveItem.fromJson(Map<String, dynamic> json) => CardLiveItem(
@@ -54,22 +38,14 @@ class CardLiveItem {
     face: json['face'] as String?,
     cover: json['cover'] as String?,
     title: json['title'] as String?,
-    area: json['area'] as int?,
     liveTime: json['live_time'] as int?,
     areaName: json['area_name'] as String?,
     areaV2Id: json['area_v2_id'] as int?,
     areaV2Name: json['area_v2_name'] as String?,
     areaV2ParentName: json['area_v2_parent_name'] as String?,
     areaV2ParentId: json['area_v2_parent_id'] as int?,
-    liveTagName: json['live_tag_name'] as String?,
-    online: json['online'] as int?,
-    link: json['link'] as String?,
-    officialVerify: json['official_verify'] as int?,
-    currentQn: json['current_qn'] as int?,
     watchedShow: json['watched_show'] == null
         ? null
         : WatchedShow.fromJson(json['watched_show'] as Map<String, dynamic>),
-    statusText: json['status_text'] as String?,
-    tagType: json['tag_type'],
   );
 }
diff --git a/lib/models_new/live/live_feed_index/data.dart b/lib/models_new/live/live_feed_index/data.dart
index 90f511b35..50432e90b 100644
--- a/lib/models_new/live/live_feed_index/data.dart
+++ b/lib/models_new/live/live_feed_index/data.dart
@@ -2,19 +2,13 @@ import 'package:PiliPlus/models_new/live/live_feed_index/card_list.dart';
 
 class LiveIndexData {
   List<LiveCardList>? cardList;
-  int? isRollback;
   int? hasMore;
-  int? triggerTime;
-  int? isNeedRefresh;
   LiveCardList? followItem;
   LiveCardList? areaItem;
 
   LiveIndexData({
     this.cardList,
-    this.isRollback,
     this.hasMore,
-    this.triggerTime,
-    this.isNeedRefresh,
   });
 
   LiveIndexData.fromJson(Map<String, dynamic> json) {
@@ -38,9 +32,6 @@ class LiveIndexData {
         }
       }
     }
-    isRollback = json['is_rollback'] as int?;
     hasMore = json['has_more'] as int?;
-    triggerTime = json['trigger_time'] as int?;
-    isNeedRefresh = json['is_need_refresh'] as int?;
   }
 }
diff --git a/lib/models_new/live/live_feed_index/live_feed_index.dart b/lib/models_new/live/live_feed_index/live_feed_index.dart
deleted file mode 100644
index 4f375cd5f..000000000
--- a/lib/models_new/live/live_feed_index/live_feed_index.dart
+++ /dev/null
@@ -1,19 +0,0 @@
-import 'package:PiliPlus/models_new/live/live_feed_index/data.dart';
-
-class LiveFeedIndex {
-  int? code;
-  String? message;
-  int? ttl;
-  LiveIndexData? data;
-
-  LiveFeedIndex({this.code, this.message, this.ttl, this.data});
-
-  factory LiveFeedIndex.fromJson(Map<String, dynamic> json) => LiveFeedIndex(
-    code: json['code'] as int?,
-    message: json['message'] as String?,
-    ttl: json['ttl'] as int?,
-    data: json['data'] == null
-        ? null
-        : LiveIndexData.fromJson(json['data'] as Map<String, dynamic>),
-  );
-}
diff --git a/lib/models_new/live/live_feed_index/module_info.dart b/lib/models_new/live/live_feed_index/module_info.dart
deleted file mode 100644
index a9841f2ac..000000000
--- a/lib/models_new/live/live_feed_index/module_info.dart
+++ /dev/null
@@ -1,29 +0,0 @@
-class ModuleInfo {
-  int? id;
-  String? link;
-  String? pic;
-  String? title;
-  int? type;
-  int? sort;
-  int? count;
-
-  ModuleInfo({
-    this.id,
-    this.link,
-    this.pic,
-    this.title,
-    this.type,
-    this.sort,
-    this.count,
-  });
-
-  factory ModuleInfo.fromJson(Map<String, dynamic> json) => ModuleInfo(
-    id: json['id'] as int?,
-    link: json['link'] as String?,
-    pic: json['pic'] as String?,
-    title: json['title'] as String?,
-    type: json['type'] as int?,
-    sort: json['sort'] as int?,
-    count: json['count'] as int?,
-  );
-}
diff --git a/lib/models_new/live/live_follow/data.dart b/lib/models_new/live/live_follow/data.dart
index f8b0bb275..f41c8cdf7 100644
--- a/lib/models_new/live/live_follow/data.dart
+++ b/lib/models_new/live/live_follow/data.dart
@@ -6,9 +6,7 @@ class LiveFollowData {
   int? totalPage;
   List<LiveFollowItem>? list;
   int? count;
-  int? neverLivedCount;
   int? liveCount;
-  List<dynamic>? neverLivedFaces;
 
   LiveFollowData({
     this.title,
@@ -16,9 +14,7 @@ class LiveFollowData {
     this.totalPage,
     this.list,
     this.count,
-    this.neverLivedCount,
     this.liveCount,
-    this.neverLivedFaces,
   });
 
   LiveFollowData.fromJson(Map<String, dynamic> json) {
@@ -34,8 +30,6 @@ class LiveFollowData {
       }
     }
     count = json['count'] as int?;
-    neverLivedCount = json['never_lived_count'] as int?;
     liveCount = json['live_count'] as int?;
-    neverLivedFaces = json['never_lived_faces'] as List<dynamic>?;
   }
 }
diff --git a/lib/models_new/live/live_follow/item.dart b/lib/models_new/live/live_follow/item.dart
index e158bfdd0..4472d97ed 100644
--- a/lib/models_new/live/live_follow/item.dart
+++ b/lib/models_new/live/live_follow/item.dart
@@ -5,25 +5,10 @@ class LiveFollowItem {
   String? title;
   String? face;
   int? liveStatus;
-  int? recordNum;
-  String? recentRecordId;
-  int? isAttention;
-  int? clipnum;
-  int? fansNum;
   String? areaName;
-  String? areaValue;
-  String? tags;
-  String? recentRecordIdV2;
-  int? recordNumV2;
-  int? recordLiveTime;
   String? areaNameV2;
-  String? roomNews;
-  bool? sw1tch;
-  String? watchIcon;
   String? textSmall;
   String? roomCover;
-  int? parentAreaId;
-  int? areaId;
 
   LiveFollowItem({
     this.roomid,
@@ -32,25 +17,10 @@ class LiveFollowItem {
     this.title,
     this.face,
     this.liveStatus,
-    this.recordNum,
-    this.recentRecordId,
-    this.isAttention,
-    this.clipnum,
-    this.fansNum,
     this.areaName,
-    this.areaValue,
-    this.tags,
-    this.recentRecordIdV2,
-    this.recordNumV2,
-    this.recordLiveTime,
     this.areaNameV2,
-    this.roomNews,
-    this.sw1tch,
-    this.watchIcon,
     this.textSmall,
     this.roomCover,
-    this.parentAreaId,
-    this.areaId,
   });
 
   factory LiveFollowItem.fromJson(Map<String, dynamic> json) => LiveFollowItem(
@@ -60,24 +30,9 @@ class LiveFollowItem {
     title: json['title'] as String?,
     face: json['face'] as String?,
     liveStatus: json['live_status'] as int?,
-    recordNum: json['record_num'] as int?,
-    recentRecordId: json['recent_record_id'] as String?,
-    isAttention: json['is_attention'] as int?,
-    clipnum: json['clipnum'] as int?,
-    fansNum: json['fans_num'] as int?,
     areaName: json['area_name'] as String?,
-    areaValue: json['area_value'] as String?,
-    tags: json['tags'] as String?,
-    recentRecordIdV2: json['recent_record_id_v2'] as String?,
-    recordNumV2: json['record_num_v2'] as int?,
-    recordLiveTime: json['record_live_time'] as int?,
     areaNameV2: json['area_name_v2'] as String?,
-    roomNews: json['room_news'] as String?,
-    sw1tch: json['switch'] as bool?,
-    watchIcon: json['watch_icon'] as String?,
     textSmall: json['text_small'] as String?,
     roomCover: json['room_cover'] as String?,
-    parentAreaId: json['parent_area_id'] as int?,
-    areaId: json['area_id'] as int?,
   );
 }
diff --git a/lib/models_new/live/live_room_info_h5/anchor_info.dart b/lib/models_new/live/live_room_info_h5/anchor_info.dart
index 2194a0491..de7773cd8 100644
--- a/lib/models_new/live/live_room_info_h5/anchor_info.dart
+++ b/lib/models_new/live/live_room_info_h5/anchor_info.dart
@@ -1,18 +1,13 @@
 import 'package:PiliPlus/models_new/live/live_room_info_h5/base_info.dart';
-import 'package:PiliPlus/models_new/live/live_room_info_h5/relation_info.dart';
 
 class AnchorInfo {
   BaseInfo? baseInfo;
-  RelationInfo? relationInfo;
 
-  AnchorInfo({this.baseInfo, this.relationInfo});
+  AnchorInfo({this.baseInfo});
 
   factory AnchorInfo.fromJson(Map<String, dynamic> json) => AnchorInfo(
     baseInfo: json['base_info'] == null
         ? null
         : BaseInfo.fromJson(json['base_info'] as Map<String, dynamic>),
-    relationInfo: json['relation_info'] == null
-        ? null
-        : RelationInfo.fromJson(json['relation_info'] as Map<String, dynamic>),
   );
 }
diff --git a/lib/models_new/live/live_room_info_h5/area_mask_info.dart b/lib/models_new/live/live_room_info_h5/area_mask_info.dart
deleted file mode 100644
index c0064b5e0..000000000
--- a/lib/models_new/live/live_room_info_h5/area_mask_info.dart
+++ /dev/null
@@ -1,13 +0,0 @@
-import 'package:PiliPlus/models_new/live/live_room_info_h5/area_masks.dart';
-
-class AreaMaskInfo {
-  AreaMasks? areaMasks;
-
-  AreaMaskInfo({this.areaMasks});
-
-  factory AreaMaskInfo.fromJson(Map<String, dynamic> json) => AreaMaskInfo(
-    areaMasks: json['area_masks'] == null
-        ? null
-        : AreaMasks.fromJson(json['area_masks'] as Map<String, dynamic>),
-  );
-}
diff --git a/lib/models_new/live/live_room_info_h5/area_masks.dart b/lib/models_new/live/live_room_info_h5/area_masks.dart
deleted file mode 100644
index 5b4a4d13a..000000000
--- a/lib/models_new/live/live_room_info_h5/area_masks.dart
+++ /dev/null
@@ -1,13 +0,0 @@
-class AreaMasks {
-  dynamic horizontalMasks;
-  dynamic verticalMasks;
-  dynamic fullMask;
-
-  AreaMasks({this.horizontalMasks, this.verticalMasks, this.fullMask});
-
-  factory AreaMasks.fromJson(Map<String, dynamic> json) => AreaMasks(
-    horizontalMasks: json['horizontal_masks'] as dynamic,
-    verticalMasks: json['vertical_masks'] as dynamic,
-    fullMask: json['full_mask'] as dynamic,
-  );
-}
diff --git a/lib/models_new/live/live_room_info_h5/base_info.dart b/lib/models_new/live/live_room_info_h5/base_info.dart
index 03d669f7d..d05329199 100644
--- a/lib/models_new/live/live_room_info_h5/base_info.dart
+++ b/lib/models_new/live/live_room_info_h5/base_info.dart
@@ -1,17 +1,11 @@
-import 'package:PiliPlus/models_new/live/live_room_info_h5/official_info.dart';
-
 class BaseInfo {
   String? uname;
   String? face;
-  OfficialInfo? officialInfo;
 
-  BaseInfo({this.uname, this.face, this.officialInfo});
+  BaseInfo({this.uname, this.face});
 
   factory BaseInfo.fromJson(Map<String, dynamic> json) => BaseInfo(
     uname: json['uname'] as String?,
     face: json['face'] as String?,
-    officialInfo: json['official_info'] == null
-        ? null
-        : OfficialInfo.fromJson(json['official_info'] as Map<String, dynamic>),
   );
 }
diff --git a/lib/models_new/live/live_room_info_h5/block_info.dart b/lib/models_new/live/live_room_info_h5/block_info.dart
deleted file mode 100644
index 463d03d36..000000000
--- a/lib/models_new/live/live_room_info_h5/block_info.dart
+++ /dev/null
@@ -1,13 +0,0 @@
-class BlockInfo {
-  bool? block;
-  String? desc;
-  int? business;
-
-  BlockInfo({this.block, this.desc, this.business});
-
-  factory BlockInfo.fromJson(Map<String, dynamic> json) => BlockInfo(
-    block: json['block'] as bool?,
-    desc: json['desc'] as String?,
-    business: json['business'] as int?,
-  );
-}
diff --git a/lib/models_new/live/live_room_info_h5/data.dart b/lib/models_new/live/live_room_info_h5/data.dart
index be4bcb791..d15f8f420 100644
--- a/lib/models_new/live/live_room_info_h5/data.dart
+++ b/lib/models_new/live/live_room_info_h5/data.dart
@@ -1,38 +1,16 @@
 import 'package:PiliPlus/models_new/live/live_feed_index/watched_show.dart';
-
 import 'package:PiliPlus/models_new/live/live_room_info_h5/anchor_info.dart';
-import 'package:PiliPlus/models_new/live/live_room_info_h5/area_mask_info.dart';
-import 'package:PiliPlus/models_new/live/live_room_info_h5/block_info.dart';
-import 'package:PiliPlus/models_new/live/live_room_info_h5/like_info_v3.dart';
-import 'package:PiliPlus/models_new/live/live_room_info_h5/new_switch_info.dart';
-import 'package:PiliPlus/models_new/live/live_room_info_h5/news_info.dart';
 import 'package:PiliPlus/models_new/live/live_room_info_h5/room_info.dart';
 
 class RoomInfoH5Data {
   RoomInfo? roomInfo;
   AnchorInfo? anchorInfo;
-  NewSwitchInfo? newSwitchInfo;
-  List<dynamic>? bannerInfo;
-  int? isRoomFeed;
-  List<dynamic>? tabInfo;
-  NewsInfo? newsInfo;
   WatchedShow? watchedShow;
-  LikeInfoV3? likeInfoV3;
-  BlockInfo? blockInfo;
-  AreaMaskInfo? areaMaskInfo;
 
   RoomInfoH5Data({
     this.roomInfo,
     this.anchorInfo,
-    this.newSwitchInfo,
-    this.bannerInfo,
-    this.isRoomFeed,
-    this.tabInfo,
-    this.newsInfo,
     this.watchedShow,
-    this.likeInfoV3,
-    this.blockInfo,
-    this.areaMaskInfo,
   });
 
   factory RoomInfoH5Data.fromJson(Map<String, dynamic> json) => RoomInfoH5Data(
@@ -42,28 +20,8 @@ class RoomInfoH5Data {
     anchorInfo: json['anchor_info'] == null
         ? null
         : AnchorInfo.fromJson(json['anchor_info'] as Map<String, dynamic>),
-    newSwitchInfo: json['new_switch_info'] == null
-        ? null
-        : NewSwitchInfo.fromJson(
-            json['new_switch_info'] as Map<String, dynamic>,
-          ),
-    bannerInfo: json['banner_info'] as List<dynamic>?,
-    isRoomFeed: json['is_room_feed'] as int?,
-    tabInfo: json['tab_info'] as List<dynamic>?,
-    newsInfo: json['news_info'] == null
-        ? null
-        : NewsInfo.fromJson(json['news_info'] as Map<String, dynamic>),
     watchedShow: json['watched_show'] == null
         ? null
         : WatchedShow.fromJson(json['watched_show'] as Map<String, dynamic>),
-    likeInfoV3: json['like_info_v3'] == null
-        ? null
-        : LikeInfoV3.fromJson(json['like_info_v3'] as Map<String, dynamic>),
-    blockInfo: json['block_info'] == null
-        ? null
-        : BlockInfo.fromJson(json['block_info'] as Map<String, dynamic>),
-    areaMaskInfo: json['area_mask_info'] == null
-        ? null
-        : AreaMaskInfo.fromJson(json['area_mask_info'] as Map<String, dynamic>),
   );
 }
diff --git a/lib/models_new/live/live_room_info_h5/frame.dart b/lib/models_new/live/live_room_info_h5/frame.dart
deleted file mode 100644
index 1cbcde06d..000000000
--- a/lib/models_new/live/live_room_info_h5/frame.dart
+++ /dev/null
@@ -1,13 +0,0 @@
-class Frame {
-  String? name;
-  String? value;
-  String? desc;
-
-  Frame({this.name, this.value, this.desc});
-
-  factory Frame.fromJson(Map<String, dynamic> json) => Frame(
-    name: json['name'] as String?,
-    value: json['value'] as String?,
-    desc: json['desc'] as String?,
-  );
-}
diff --git a/lib/models_new/live/live_room_info_h5/like_info_v3.dart b/lib/models_new/live/live_room_info_h5/like_info_v3.dart
deleted file mode 100644
index d551c8578..000000000
--- a/lib/models_new/live/live_room_info_h5/like_info_v3.dart
+++ /dev/null
@@ -1,70 +0,0 @@
-import 'package:PiliPlus/utils/extension.dart';
-
-class LikeInfoV3 {
-  int? totalLikes;
-  bool? clickBlock;
-  bool? countBlock;
-  String? guildEmoText;
-  String? guildDmText;
-  String? likeDmText;
-  List<String>? handIcons;
-  List<String>? dmIcons;
-  String? eggshellsIcon;
-  int? countShowTime;
-  String? processIcon;
-  String? processColor;
-  int? reportClickLimit;
-  int? reportTimeMin;
-  int? reportTimeMax;
-  String? icon;
-  double? cooldown;
-  bool? handUseFace;
-  List<String>? guideIconUrls;
-  double? guideIconRatio;
-
-  LikeInfoV3({
-    this.totalLikes,
-    this.clickBlock,
-    this.countBlock,
-    this.guildEmoText,
-    this.guildDmText,
-    this.likeDmText,
-    this.handIcons,
-    this.dmIcons,
-    this.eggshellsIcon,
-    this.countShowTime,
-    this.processIcon,
-    this.processColor,
-    this.reportClickLimit,
-    this.reportTimeMin,
-    this.reportTimeMax,
-    this.icon,
-    this.cooldown,
-    this.handUseFace,
-    this.guideIconUrls,
-    this.guideIconRatio,
-  });
-
-  factory LikeInfoV3.fromJson(Map<String, dynamic> json) => LikeInfoV3(
-    totalLikes: json['total_likes'] as int?,
-    clickBlock: json['click_block'] as bool?,
-    countBlock: json['count_block'] as bool?,
-    guildEmoText: json['guild_emo_text'] as String?,
-    guildDmText: json['guild_dm_text'] as String?,
-    likeDmText: json['like_dm_text'] as String?,
-    handIcons: (json['hand_icons'] as List?)?.fromCast(),
-    dmIcons: (json['dm_icons'] as List?)?.fromCast(),
-    eggshellsIcon: json['eggshells_icon'] as String?,
-    countShowTime: json['count_show_time'] as int?,
-    processIcon: json['process_icon'] as String?,
-    processColor: json['process_color'] as String?,
-    reportClickLimit: json['report_click_limit'] as int?,
-    reportTimeMin: json['report_time_min'] as int?,
-    reportTimeMax: json['report_time_max'] as int?,
-    icon: json['icon'] as String?,
-    cooldown: (json['cooldown'] as num?)?.toDouble(),
-    handUseFace: json['hand_use_face'] as bool?,
-    guideIconUrls: (json['guide_icon_urls'] as List?)?.fromCast(),
-    guideIconRatio: (json['guide_icon_ratio'] as num?)?.toDouble(),
-  );
-}
diff --git a/lib/models_new/live/live_room_info_h5/new_switch_info.dart b/lib/models_new/live/live_room_info_h5/new_switch_info.dart
deleted file mode 100644
index a25db32cb..000000000
--- a/lib/models_new/live/live_room_info_h5/new_switch_info.dart
+++ /dev/null
@@ -1,26 +0,0 @@
-class NewSwitchInfo {
-  int? roomInfoPopularity;
-  int? roomTab;
-  int? roomPlayerWatermark;
-  int? roomRecommendLiveOff;
-  int? brandUserCardSwitch;
-  int? brandFollowSwitch;
-
-  NewSwitchInfo({
-    this.roomInfoPopularity,
-    this.roomTab,
-    this.roomPlayerWatermark,
-    this.roomRecommendLiveOff,
-    this.brandUserCardSwitch,
-    this.brandFollowSwitch,
-  });
-
-  factory NewSwitchInfo.fromJson(Map<String, dynamic> json) => NewSwitchInfo(
-    roomInfoPopularity: json['room-info-popularity'] as int?,
-    roomTab: json['room-tab'] as int?,
-    roomPlayerWatermark: json['room-player-watermark'] as int?,
-    roomRecommendLiveOff: json['room-recommend-live_off'] as int?,
-    brandUserCardSwitch: json['brand-user-card-switch'] as int?,
-    brandFollowSwitch: json['brand-follow-switch'] as int?,
-  );
-}
diff --git a/lib/models_new/live/live_room_info_h5/news_info.dart b/lib/models_new/live/live_room_info_h5/news_info.dart
deleted file mode 100644
index c42010d33..000000000
--- a/lib/models_new/live/live_room_info_h5/news_info.dart
+++ /dev/null
@@ -1,13 +0,0 @@
-class NewsInfo {
-  int? uid;
-  String? ctime;
-  String? content;
-
-  NewsInfo({this.uid, this.ctime, this.content});
-
-  factory NewsInfo.fromJson(Map<String, dynamic> json) => NewsInfo(
-    uid: json['uid'] as int?,
-    ctime: json['ctime'] as String?,
-    content: json['content'] as String?,
-  );
-}
diff --git a/lib/models_new/live/live_room_info_h5/official_info.dart b/lib/models_new/live/live_room_info_h5/official_info.dart
deleted file mode 100644
index 426b69636..000000000
--- a/lib/models_new/live/live_room_info_h5/official_info.dart
+++ /dev/null
@@ -1,23 +0,0 @@
-class OfficialInfo {
-  int? role;
-  String? title;
-  String? desc;
-  int? isNft;
-  String? nftDmark;
-
-  OfficialInfo({
-    this.role,
-    this.title,
-    this.desc,
-    this.isNft,
-    this.nftDmark,
-  });
-
-  factory OfficialInfo.fromJson(Map<String, dynamic> json) => OfficialInfo(
-    role: json['role'] as int?,
-    title: json['title'] as String?,
-    desc: json['desc'] as String?,
-    isNft: json['is_nft'] as int?,
-    nftDmark: json['nft_dmark'] as String?,
-  );
-}
diff --git a/lib/models_new/live/live_room_info_h5/pendants.dart b/lib/models_new/live/live_room_info_h5/pendants.dart
deleted file mode 100644
index e3a25817c..000000000
--- a/lib/models_new/live/live_room_info_h5/pendants.dart
+++ /dev/null
@@ -1,13 +0,0 @@
-import 'package:PiliPlus/models_new/live/live_room_info_h5/frame.dart';
-
-class Pendants {
-  Frame? frame;
-
-  Pendants({this.frame});
-
-  factory Pendants.fromJson(Map<String, dynamic> json) => Pendants(
-    frame: json['frame'] == null
-        ? null
-        : Frame.fromJson(json['frame'] as Map<String, dynamic>),
-  );
-}
diff --git a/lib/models_new/live/live_room_info_h5/relation_info.dart b/lib/models_new/live/live_room_info_h5/relation_info.dart
deleted file mode 100644
index dd15816d0..000000000
--- a/lib/models_new/live/live_room_info_h5/relation_info.dart
+++ /dev/null
@@ -1,9 +0,0 @@
-class RelationInfo {
-  int? attention;
-
-  RelationInfo({this.attention});
-
-  factory RelationInfo.fromJson(Map<String, dynamic> json) => RelationInfo(
-    attention: json['attention'] as int?,
-  );
-}
diff --git a/lib/models_new/live/live_room_info_h5/room_info.dart b/lib/models_new/live/live_room_info_h5/room_info.dart
index 26c4cc971..9b575d584 100644
--- a/lib/models_new/live/live_room_info_h5/room_info.dart
+++ b/lib/models_new/live/live_room_info_h5/room_info.dart
@@ -1,44 +1,24 @@
-import 'package:PiliPlus/models_new/live/live_room_info_h5/pendants.dart';
-
 class RoomInfo {
   int? uid;
   int? roomId;
   String? title;
   String? cover;
-  String? description;
   int? liveStatus;
   int? liveStartTime;
-  int? areaId;
-  String? areaName;
-  int? parentAreaId;
-  String? parentAreaName;
   int? online;
-  String? keyframe;
-  String? background;
   String? appBackground;
-  Pendants? pendants;
   String? subSessionKey;
-  String? liveId;
 
   RoomInfo({
     this.uid,
     this.roomId,
     this.title,
     this.cover,
-    this.description,
     this.liveStatus,
     this.liveStartTime,
-    this.areaId,
-    this.areaName,
-    this.parentAreaId,
-    this.parentAreaName,
     this.online,
-    this.keyframe,
-    this.background,
     this.appBackground,
-    this.pendants,
     this.subSessionKey,
-    this.liveId,
   });
 
   factory RoomInfo.fromJson(Map<String, dynamic> json) => RoomInfo(
@@ -46,21 +26,10 @@ class RoomInfo {
     roomId: json['room_id'] as int?,
     title: json['title'] as String?,
     cover: json['cover'] as String?,
-    description: json['description'] as String?,
     liveStatus: json['live_status'] as int?,
     liveStartTime: json['live_start_time'] as int?,
-    areaId: json['area_id'] as int?,
-    areaName: json['area_name'] as String?,
-    parentAreaId: json['parent_area_id'] as int?,
-    parentAreaName: json['parent_area_name'] as String?,
     online: json['online'] as int?,
-    keyframe: json['keyframe'] as String?,
-    background: json['background'] as String?,
     appBackground: json['app_background'] as String?,
-    pendants: json['pendants'] == null
-        ? null
-        : Pendants.fromJson(json['pendants'] as Map<String, dynamic>),
     subSessionKey: json['sub_session_key'] as String?,
-    liveId: json['live_id'] as String?,
   );
 }
diff --git a/lib/models_new/live/live_room_play_info/codec.dart b/lib/models_new/live/live_room_play_info/codec.dart
index a74c38b89..f918cf1c1 100644
--- a/lib/models_new/live/live_room_play_info/codec.dart
+++ b/lib/models_new/live/live_room_play_info/codec.dart
@@ -1,5 +1,5 @@
 import 'package:PiliPlus/models_new/live/live_room_play_info/url_info.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class CodecItem {
   String? codecName;
diff --git a/lib/models_new/live/live_room_play_info/data.dart b/lib/models_new/live/live_room_play_info/data.dart
index d4059ea35..38186d4a4 100644
--- a/lib/models_new/live/live_room_play_info/data.dart
+++ b/lib/models_new/live/live_room_play_info/data.dart
@@ -4,47 +4,19 @@ class RoomPlayInfoData {
   int? roomId;
   int? shortId;
   int? uid;
-  bool? isHidden;
-  bool? isLocked;
   bool? isPortrait;
   int? liveStatus;
-  int? hiddenTill;
-  int? lockTill;
-  bool? encrypted;
-  bool? pwdVerified;
   int? liveTime;
-  int? roomShield;
-  List<dynamic>? allSpecialTypes;
   PlayurlInfo? playurlInfo;
-  int? officialType;
-  int? officialRoomId;
-  int? riskWithDelay;
-  String? multiScreenInfo;
-  dynamic pureControlFunction;
-  dynamic degradedPlayurl;
 
   RoomPlayInfoData({
     this.roomId,
     this.shortId,
     this.uid,
-    this.isHidden,
-    this.isLocked,
     this.isPortrait,
     this.liveStatus,
-    this.hiddenTill,
-    this.lockTill,
-    this.encrypted,
-    this.pwdVerified,
     this.liveTime,
-    this.roomShield,
-    this.allSpecialTypes,
     this.playurlInfo,
-    this.officialType,
-    this.officialRoomId,
-    this.riskWithDelay,
-    this.multiScreenInfo,
-    this.pureControlFunction,
-    this.degradedPlayurl,
   });
 
   factory RoomPlayInfoData.fromJson(Map<String, dynamic> json) =>
@@ -52,27 +24,13 @@ class RoomPlayInfoData {
         roomId: json['room_id'] as int?,
         shortId: json['short_id'] as int?,
         uid: json['uid'] as int?,
-        isHidden: json['is_hidden'] as bool?,
-        isLocked: json['is_locked'] as bool?,
         isPortrait: json['is_portrait'] as bool?,
         liveStatus: json['live_status'] as int?,
-        hiddenTill: json['hidden_till'] as int?,
-        lockTill: json['lock_till'] as int?,
-        encrypted: json['encrypted'] as bool?,
-        pwdVerified: json['pwd_verified'] as bool?,
         liveTime: json['live_time'] as int?,
-        roomShield: json['room_shield'] as int?,
-        allSpecialTypes: json['all_special_types'] as List<dynamic>?,
         playurlInfo: json['playurl_info'] == null
             ? null
             : PlayurlInfo.fromJson(
                 json['playurl_info'] as Map<String, dynamic>,
               ),
-        officialType: json['official_type'] as int?,
-        officialRoomId: json['official_room_id'] as int?,
-        riskWithDelay: json['risk_with_delay'] as int?,
-        multiScreenInfo: json['multi_screen_info'] as String?,
-        pureControlFunction: json['pure_control_function'] as dynamic,
-        degradedPlayurl: json['degraded_playurl'] as dynamic,
       );
 }
diff --git a/lib/models_new/live/live_room_play_info/expected_quality.dart b/lib/models_new/live/live_room_play_info/expected_quality.dart
deleted file mode 100644
index 50dc9526c..000000000
--- a/lib/models_new/live/live_room_play_info/expected_quality.dart
+++ /dev/null
@@ -1,13 +0,0 @@
-class ExpectedQuality {
-  int? qn;
-  int? hdrType;
-
-  ExpectedQuality({this.qn, this.hdrType});
-
-  factory ExpectedQuality.fromJson(Map<String, dynamic> json) {
-    return ExpectedQuality(
-      qn: json['qn'] as int?,
-      hdrType: json['hdr_type'] as int?,
-    );
-  }
-}
diff --git a/lib/models_new/live/live_room_play_info/g_qn_desc.dart b/lib/models_new/live/live_room_play_info/g_qn_desc.dart
deleted file mode 100644
index 9992d08d8..000000000
--- a/lib/models_new/live/live_room_play_info/g_qn_desc.dart
+++ /dev/null
@@ -1,26 +0,0 @@
-class GQnDesc {
-  int? qn;
-  String? desc;
-  String? hdrDesc;
-  dynamic attrDesc;
-  int? hdrType;
-  dynamic mediaBaseDesc;
-
-  GQnDesc({
-    this.qn,
-    this.desc,
-    this.hdrDesc,
-    this.attrDesc,
-    this.hdrType,
-    this.mediaBaseDesc,
-  });
-
-  factory GQnDesc.fromJson(Map<String, dynamic> json) => GQnDesc(
-    qn: json['qn'] as int?,
-    desc: json['desc'] as String?,
-    hdrDesc: json['hdr_desc'] as String?,
-    attrDesc: json['attr_desc'] as dynamic,
-    hdrType: json['hdr_type'] as int?,
-    mediaBaseDesc: json['media_base_desc'] as dynamic,
-  );
-}
diff --git a/lib/models_new/live/live_room_play_info/p2p_data.dart b/lib/models_new/live/live_room_play_info/p2p_data.dart
deleted file mode 100644
index e2a1b1f0c..000000000
--- a/lib/models_new/live/live_room_play_info/p2p_data.dart
+++ /dev/null
@@ -1,15 +0,0 @@
-class P2pData {
-  bool? p2p;
-  int? p2pType;
-  bool? mP2p;
-  dynamic mServers;
-
-  P2pData({this.p2p, this.p2pType, this.mP2p, this.mServers});
-
-  factory P2pData.fromJson(Map<String, dynamic> json) => P2pData(
-    p2p: json['p2p'] as bool?,
-    p2pType: json['p2p_type'] as int?,
-    mP2p: json['m_p2p'] as bool?,
-    mServers: json['m_servers'] as dynamic,
-  );
-}
diff --git a/lib/models_new/live/live_room_play_info/playurl.dart b/lib/models_new/live/live_room_play_info/playurl.dart
index 60d0b982e..f8b220fb9 100644
--- a/lib/models_new/live/live_room_play_info/playurl.dart
+++ b/lib/models_new/live/live_room_play_info/playurl.dart
@@ -1,33 +1,18 @@
-import 'package:PiliPlus/models_new/live/live_room_play_info/g_qn_desc.dart';
-import 'package:PiliPlus/models_new/live/live_room_play_info/p2p_data.dart';
 import 'package:PiliPlus/models_new/live/live_room_play_info/stream.dart';
 
 class Playurl {
   int? cid;
-  List<GQnDesc>? gQnDesc;
   List<Stream>? stream;
-  P2pData? p2pData;
-  dynamic dolbyQn;
 
   Playurl({
     this.cid,
-    this.gQnDesc,
     this.stream,
-    this.p2pData,
-    this.dolbyQn,
   });
 
   factory Playurl.fromJson(Map<String, dynamic> json) => Playurl(
     cid: json['cid'] as int?,
-    gQnDesc: (json['g_qn_desc'] as List<dynamic>?)
-        ?.map((e) => GQnDesc.fromJson(e as Map<String, dynamic>))
-        .toList(),
     stream: (json['stream'] as List<dynamic>?)
         ?.map((e) => Stream.fromJson(e as Map<String, dynamic>))
         .toList(),
-    p2pData: json['p2p_data'] == null
-        ? null
-        : P2pData.fromJson(json['p2p_data'] as Map<String, dynamic>),
-    dolbyQn: json['dolby_qn'] as dynamic,
   );
 }
diff --git a/lib/models_new/live/live_room_play_info/playurl_info.dart b/lib/models_new/live/live_room_play_info/playurl_info.dart
index d2ed789c9..d25399d6c 100644
--- a/lib/models_new/live/live_room_play_info/playurl_info.dart
+++ b/lib/models_new/live/live_room_play_info/playurl_info.dart
@@ -1,29 +1,15 @@
-import 'package:PiliPlus/models_new/live/live_room_play_info/expected_quality.dart';
 import 'package:PiliPlus/models_new/live/live_room_play_info/playurl.dart';
 
 class PlayurlInfo {
-  String? confJson;
   Playurl? playurl;
-  ExpectedQuality? expectedQuality;
-  int? qnDescMoreAb;
 
   PlayurlInfo({
-    this.confJson,
     this.playurl,
-    this.expectedQuality,
-    this.qnDescMoreAb,
   });
 
   factory PlayurlInfo.fromJson(Map<String, dynamic> json) => PlayurlInfo(
-    confJson: json['conf_json'] as String?,
     playurl: json['playurl'] == null
         ? null
         : Playurl.fromJson(json['playurl'] as Map<String, dynamic>),
-    expectedQuality: json['expected_quality'] == null
-        ? null
-        : ExpectedQuality.fromJson(
-            json['expected_quality'] as Map<String, dynamic>,
-          ),
-    qnDescMoreAb: json['qn_desc_more_ab'] as int?,
   );
 }
diff --git a/lib/models_new/live/live_search/data.dart b/lib/models_new/live/live_search/data.dart
index 135081949..7a5853b95 100644
--- a/lib/models_new/live/live_search/data.dart
+++ b/lib/models_new/live/live_search/data.dart
@@ -7,9 +7,6 @@ class LiveSearchData {
   int? pagesize;
   Room? room;
   User? user;
-  String? trackId;
-  String? abtestId;
-  String? query;
 
   LiveSearchData({
     this.type,
@@ -17,9 +14,6 @@ class LiveSearchData {
     this.pagesize,
     this.room,
     this.user,
-    this.trackId,
-    this.abtestId,
-    this.query,
   });
 
   factory LiveSearchData.fromJson(Map<String, dynamic> json) => LiveSearchData(
@@ -32,8 +26,5 @@ class LiveSearchData {
     user: json['user'] == null
         ? null
         : User.fromJson(json['user'] as Map<String, dynamic>),
-    trackId: json['track_id'] as String?,
-    abtestId: json['abtest_id'] as String?,
-    query: json['query'] as String?,
   );
 }
diff --git a/lib/models_new/live/live_search/room_item.dart b/lib/models_new/live/live_search/room_item.dart
index 6a2e97046..d5d53e023 100644
--- a/lib/models_new/live/live_search/room_item.dart
+++ b/lib/models_new/live/live_search/room_item.dart
@@ -6,8 +6,6 @@ class LiveSearchRoomItemModel {
   String? title;
   String? name;
   String? face;
-  int? online;
-  String? link;
   WatchedShow? watchedShow;
 
   LiveSearchRoomItemModel({
@@ -16,8 +14,6 @@ class LiveSearchRoomItemModel {
     this.title,
     this.name,
     this.face,
-    this.online,
-    this.link,
     this.watchedShow,
   });
 
@@ -28,8 +24,6 @@ class LiveSearchRoomItemModel {
         title: json['title'] as String?,
         name: json['name'] as String?,
         face: json['face'] as String?,
-        online: json['online'] as int?,
-        link: json['link'] as String?,
         watchedShow: json['watched_show'] == null
             ? null
             : WatchedShow.fromJson(
diff --git a/lib/models_new/live/live_search/user_item.dart b/lib/models_new/live/live_search/user_item.dart
index 6e0ba5651..9b088a442 100644
--- a/lib/models_new/live/live_search/user_item.dart
+++ b/lib/models_new/live/live_search/user_item.dart
@@ -5,7 +5,6 @@ class LiveSearchUserItemModel {
   String? areaName;
   int? fansNum;
   int? roomid;
-  String? link;
 
   LiveSearchUserItemModel({
     this.face,
@@ -14,7 +13,6 @@ class LiveSearchUserItemModel {
     this.areaName,
     this.fansNum,
     this.roomid,
-    this.link,
   });
 
   factory LiveSearchUserItemModel.fromJson(Map<String, dynamic> json) =>
@@ -25,6 +23,5 @@ class LiveSearchUserItemModel {
         areaName: json['areaName'] as String?,
         fansNum: json['fansNum'] as int?,
         roomid: json['roomid'] as int?,
-        link: json['link'] as String?,
       );
 }
diff --git a/lib/models_new/msg/msg_like/item.dart b/lib/models_new/msg/msg_like/item.dart
index 2afe529bd..b601d213f 100644
--- a/lib/models_new/msg/msg_like/item.dart
+++ b/lib/models_new/msg/msg_like/item.dart
@@ -1,5 +1,4 @@
 import 'package:PiliPlus/models_new/msg/msg_like/content.dart';
-
 import 'package:PiliPlus/models_new/msg/msg_like/user.dart';
 
 class MsgLikeItem {
diff --git a/lib/models_new/msg/msg_reply/item.dart b/lib/models_new/msg/msg_reply/item.dart
index c68650680..ba61abea7 100644
--- a/lib/models_new/msg/msg_reply/item.dart
+++ b/lib/models_new/msg/msg_reply/item.dart
@@ -1,5 +1,4 @@
 import 'package:PiliPlus/models_new/msg/msg_reply/content.dart';
-
 import 'package:PiliPlus/models_new/msg/msg_reply/user.dart';
 
 class MsgReplyItem {
diff --git a/lib/models_new/music/bgm_detail.dart b/lib/models_new/music/bgm_detail.dart
index 85104af9f..053c757b5 100644
--- a/lib/models_new/music/bgm_detail.dart
+++ b/lib/models_new/music/bgm_detail.dart
@@ -1,5 +1,5 @@
 import 'package:PiliPlus/models/model_owner.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class MusicDetail {
   MusicDetail({
diff --git a/lib/models_new/reply/cursor.dart b/lib/models_new/reply/cursor.dart
index 4477310ea..b225ba1fd 100644
--- a/lib/models_new/reply/cursor.dart
+++ b/lib/models_new/reply/cursor.dart
@@ -1,5 +1,5 @@
 import 'package:PiliPlus/models_new/reply/pagination_reply.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class ReplyCursor {
   bool? isBegin;
diff --git a/lib/models_new/reply/member.dart b/lib/models_new/reply/member.dart
index 20accc12f..7c9b085b2 100644
--- a/lib/models_new/reply/member.dart
+++ b/lib/models_new/reply/member.dart
@@ -1,5 +1,4 @@
 import 'package:PiliPlus/models/model_avatar.dart';
-
 import 'package:PiliPlus/models_new/reply/level_info.dart';
 import 'package:PiliPlus/models_new/reply/nameplate.dart';
 import 'package:PiliPlus/models_new/reply/senior.dart';
diff --git a/lib/models_new/space/space_article/item.dart b/lib/models_new/space/space_article/item.dart
index 48fe8752a..94237d2dd 100644
--- a/lib/models_new/space/space_article/item.dart
+++ b/lib/models_new/space/space_article/item.dart
@@ -2,7 +2,7 @@ import 'package:PiliPlus/models_new/space/space_article/author.dart';
 import 'package:PiliPlus/models_new/space/space_article/category.dart';
 import 'package:PiliPlus/models_new/space/space_article/media.dart';
 import 'package:PiliPlus/models_new/space/space_article/stats.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class SpaceArticleItem {
   int? id;
diff --git a/lib/models_new/space/space_cheese/item.dart b/lib/models_new/space/space_cheese/item.dart
index 3f8f8d573..d5bc1a481 100644
--- a/lib/models_new/space/space_cheese/item.dart
+++ b/lib/models_new/space/space_cheese/item.dart
@@ -1,4 +1,4 @@
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class SpaceCheeseItem {
   bool? cooperated;
diff --git a/lib/models_new/space/space_season_series/season.dart b/lib/models_new/space/space_season_series/season.dart
index 352d96cbb..03ead644b 100644
--- a/lib/models_new/space/space_season_series/season.dart
+++ b/lib/models_new/space/space_season_series/season.dart
@@ -1,6 +1,6 @@
 import 'package:PiliPlus/models_new/space/space_season_series/archive.dart';
 import 'package:PiliPlus/models_new/space/space_season_series/stat.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class SpaceSsModel {
   List<SpaceSsArchive>? archives;
diff --git a/lib/models_new/space/space_shop/item.dart b/lib/models_new/space/space_shop/item.dart
index c3f93a92d..c9b20c0ea 100644
--- a/lib/models_new/space/space_shop/item.dart
+++ b/lib/models_new/space/space_shop/item.dart
@@ -5,7 +5,7 @@ import 'package:PiliPlus/models_new/space/space_shop/net_price.dart';
 import 'package:PiliPlus/models_new/space/space_shop/report_params.dart';
 import 'package:PiliPlus/models_new/space/space_shop/source_desc.dart';
 import 'package:PiliPlus/models_new/space/space_shop/source_front_tag.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class SpaceShopItem {
   String? contentId;
diff --git a/lib/models_new/upower_rank/data.dart b/lib/models_new/upower_rank/data.dart
index 351aa9121..54d4e3bb7 100644
--- a/lib/models_new/upower_rank/data.dart
+++ b/lib/models_new/upower_rank/data.dart
@@ -2,7 +2,7 @@ import 'package:PiliPlus/models_new/upower_rank/level_info.dart';
 import 'package:PiliPlus/models_new/upower_rank/rank_info.dart';
 import 'package:PiliPlus/models_new/upower_rank/up_info.dart';
 import 'package:PiliPlus/models_new/upower_rank/user_info.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 
 class UpowerRankData {
   UpInfo? upInfo;
diff --git a/lib/models_new/video/video_detail/data.dart b/lib/models_new/video/video_detail/data.dart
index a7adda5db..e76113184 100644
--- a/lib/models_new/video/video_detail/data.dart
+++ b/lib/models_new/video/video_detail/data.dart
@@ -1,7 +1,7 @@
+import 'package:PiliPlus/models/model_owner.dart';
 import 'package:PiliPlus/models_new/video/video_detail/argue_info.dart';
 import 'package:PiliPlus/models_new/video/video_detail/desc_v2.dart';
 import 'package:PiliPlus/models_new/video/video_detail/dimension.dart';
-import 'package:PiliPlus/models_new/video/video_detail/owner.dart';
 import 'package:PiliPlus/models_new/video/video_detail/page.dart';
 import 'package:PiliPlus/models_new/video/video_detail/rights.dart';
 import 'package:PiliPlus/models_new/video/video_detail/staff.dart';
diff --git a/lib/models_new/video/video_detail/owner.dart b/lib/models_new/video/video_detail/owner.dart
deleted file mode 100644
index b0565f08b..000000000
--- a/lib/models_new/video/video_detail/owner.dart
+++ /dev/null
@@ -1,13 +0,0 @@
-class Owner {
-  int? mid;
-  String? name;
-  String? face;
-
-  Owner({this.mid, this.name, this.face});
-
-  factory Owner.fromJson(Map<String, dynamic> json) => Owner(
-    mid: json['mid'] as int?,
-    name: json['name'] as String?,
-    face: json['face'] as String?,
-  );
-}
diff --git a/lib/models_new/video/video_shot/data.dart b/lib/models_new/video/video_shot/data.dart
index 71e2adda6..26291b303 100644
--- a/lib/models_new/video/video_shot/data.dart
+++ b/lib/models_new/video/video_shot/data.dart
@@ -1,4 +1,5 @@
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 
 class VideoShotData {
   String? pvdata;
diff --git a/lib/pages/about/view.dart b/lib/pages/about/view.dart
index 3bab2a2b5..a5b4b014a 100644
--- a/lib/pages/about/view.dart
+++ b/lib/pages/about/view.dart
@@ -11,10 +11,11 @@ import 'package:PiliPlus/services/logger.dart';
 import 'package:PiliPlus/utils/accounts.dart';
 import 'package:PiliPlus/utils/accounts/account.dart';
 import 'package:PiliPlus/utils/cache_manager.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
 import 'package:PiliPlus/utils/login_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/update.dart';
 import 'package:PiliPlus/utils/utils.dart';
@@ -137,7 +138,7 @@ class _AboutPageState extends State<AboutPage> {
           ListTile(
             onTap: () => Update.checkUpdate(false),
             onLongPress: () => Utils.copyText(currentVersion),
-            onSecondaryTap: Utils.isMobile
+            onSecondaryTap: PlatformUtils.isMobile
                 ? null
                 : () => Utils.copyText(currentVersion),
             title: const Text('当前版本'),
@@ -159,7 +160,7 @@ Commit Hash: ${BuildConfig.commitHash}''',
               '${Constants.sourceCodeUrl}/commit/${BuildConfig.commitHash}',
             ),
             onLongPress: () => Utils.copyText(BuildConfig.commitHash),
-            onSecondaryTap: Utils.isMobile
+            onSecondaryTap: PlatformUtils.isMobile
                 ? null
                 : () => Utils.copyText(BuildConfig.commitHash),
           ),
@@ -199,7 +200,9 @@ Commit Hash: ${BuildConfig.commitHash}''',
           ListTile(
             onTap: () => Get.toNamed('/logs'),
             onLongPress: LoggerUtils.clearLogs,
-            onSecondaryTap: Utils.isMobile ? null : LoggerUtils.clearLogs,
+            onSecondaryTap: PlatformUtils.isMobile
+                ? null
+                : LoggerUtils.clearLogs,
             leading: const Icon(Icons.bug_report_outlined),
             title: const Text('错误日志'),
             subtitle: Text('长按清除日志', style: subTitleStyle),
diff --git a/lib/pages/article/controller.dart b/lib/pages/article/controller.dart
index 3560a22fe..2c5e718d0 100644
--- a/lib/pages/article/controller.dart
+++ b/lib/pages/article/controller.dart
@@ -10,7 +10,8 @@ import 'package:PiliPlus/models_new/article/article_view/data.dart';
 import 'package:PiliPlus/pages/common/dyn/common_dyn_controller.dart';
 import 'package:PiliPlus/utils/accounts.dart';
 import 'package:PiliPlus/utils/app_scheme.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
+import 'package:PiliPlus/utils/extension/num_ext.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:PiliPlus/utils/url_utils.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
diff --git a/lib/pages/article/view.dart b/lib/pages/article/view.dart
index 14c80cbc8..1f1bec5a2 100644
--- a/lib/pages/article/view.dart
+++ b/lib/pages/article/view.dart
@@ -15,7 +15,7 @@ import 'package:PiliPlus/pages/article/widgets/opus_content.dart';
 import 'package:PiliPlus/pages/common/dyn/common_dyn_page.dart';
 import 'package:PiliPlus/pages/dynamics_repost/view.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
 import 'package:PiliPlus/utils/grid.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
diff --git a/lib/pages/article/widgets/article_ops.dart b/lib/pages/article/widgets/article_ops.dart
index c3c1e459b..a5a46fb53 100644
--- a/lib/pages/article/widgets/article_ops.dart
+++ b/lib/pages/article/widgets/article_ops.dart
@@ -2,7 +2,7 @@ import 'package:PiliPlus/common/constants.dart';
 import 'package:PiliPlus/models_new/article/article_view/ops.dart';
 import 'package:PiliPlus/pages/dynamics/widgets/vote.dart';
 import 'package:PiliPlus/utils/app_scheme.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart';
diff --git a/lib/pages/article/widgets/opus_content.dart b/lib/pages/article/widgets/opus_content.dart
index 0976c6add..20dd5ef14 100644
--- a/lib/pages/article/widgets/opus_content.dart
+++ b/lib/pages/article/widgets/opus_content.dart
@@ -11,8 +11,8 @@ import 'package:PiliPlus/models/dynamics/article_content_model.dart'
 import 'package:PiliPlus/models/dynamics/result.dart';
 import 'package:PiliPlus/pages/dynamics/widgets/vote.dart';
 import 'package:PiliPlus/utils/app_scheme.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:cached_network_image/cached_network_image.dart';
diff --git a/lib/pages/audio/controller.dart b/lib/pages/audio/controller.dart
index ff8daa19f..858163ad5 100644
--- a/lib/pages/audio/controller.dart
+++ b/lib/pages/audio/controller.dart
@@ -26,10 +26,12 @@ import 'package:PiliPlus/plugin/pl_player/models/play_repeat.dart';
 import 'package:PiliPlus/plugin/pl_player/models/play_status.dart';
 import 'package:PiliPlus/services/service_locator.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/num_ext.dart';
 import 'package:PiliPlus/utils/global_data.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:PiliPlus/utils/video_utils.dart';
@@ -507,7 +509,7 @@ class AudioController extends GetxController
                   PageUtils.launchURL(audioUrl);
                 },
               ),
-              if (Utils.isMobile)
+              if (PlatformUtils.isMobile)
                 ListTile(
                   dense: true,
                   title: const Text(
diff --git a/lib/pages/audio/view.dart b/lib/pages/audio/view.dart
index d0669face..dbfa9fe00 100644
--- a/lib/pages/audio/view.dart
+++ b/lib/pages/audio/view.dart
@@ -13,9 +13,13 @@ import 'package:PiliPlus/pages/video/introduction/ugc/widgets/action_item.dart';
 import 'package:PiliPlus/plugin/pl_player/models/play_repeat.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/num_ext.dart';
+import 'package:PiliPlus/utils/extension/size_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
 import 'package:PiliPlus/utils/utils.dart';
@@ -170,7 +174,8 @@ class _AudioPageState extends State<AudioPage> {
           final theme = Theme.of(context);
           final colorScheme = theme.colorScheme;
           return FractionallySizedBox(
-            heightFactor: Utils.isMobile && !context.mediaQuerySize.isPortrait
+            heightFactor:
+                PlatformUtils.isMobile && !context.mediaQuerySize.isPortrait
                 ? 1.0
                 : 0.7,
             alignment: Alignment.bottomCenter,
@@ -752,7 +757,7 @@ class _AudioPageState extends State<AudioPage> {
         onSeek: _onSeek,
       ),
     );
-    if (Utils.isDesktop) {
+    if (PlatformUtils.isDesktop) {
       return MouseRegion(
         cursor: SystemMouseCursors.click,
         child: child,
diff --git a/lib/pages/common/common_controller.dart b/lib/pages/common/common_controller.dart
index 498d7d3e0..98eb357d1 100644
--- a/lib/pages/common/common_controller.dart
+++ b/lib/pages/common/common_controller.dart
@@ -1,7 +1,7 @@
 import 'dart:async';
 
 import 'package:PiliPlus/http/loading_state.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:easy_debounce/easy_throttle.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/common/common_list_controller.dart b/lib/pages/common/common_list_controller.dart
index 3f4a43d44..3f0d8ace4 100644
--- a/lib/pages/common/common_list_controller.dart
+++ b/lib/pages/common/common_list_controller.dart
@@ -1,6 +1,6 @@
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/pages/common/common_controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:get/get.dart';
 
 abstract class CommonListController<R, T> extends CommonController<R, T> {
diff --git a/lib/pages/common/dyn/common_dyn_page.dart b/lib/pages/common/dyn/common_dyn_page.dart
index ac86c63ae..f5c184a4e 100644
--- a/lib/pages/common/dyn/common_dyn_page.dart
+++ b/lib/pages/common/dyn/common_dyn_page.dart
@@ -10,7 +10,7 @@ import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/pages/common/dyn/common_dyn_controller.dart';
 import 'package:PiliPlus/pages/video/reply/widgets/reply_item_grpc.dart';
 import 'package:PiliPlus/pages/video/reply_reply/view.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/size_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
diff --git a/lib/pages/common/publish/common_publish_page.dart b/lib/pages/common/publish/common_publish_page.dart
index c6ca1f086..1b8659c4d 100644
--- a/lib/pages/common/publish/common_publish_page.dart
+++ b/lib/pages/common/publish/common_publish_page.dart
@@ -3,7 +3,7 @@ import 'dart:io';
 import 'dart:math' show max;
 
 import 'package:PiliPlus/models/common/publish_panel_type.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
 import 'package:chat_bottom_container/chat_bottom_container.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart' hide ContextExtensionss;
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 76322b2de..f412bc1b4 100644
--- a/lib/pages/common/publish/common_rich_text_pub_page.dart
+++ b/lib/pages/common/publish/common_rich_text_pub_page.dart
@@ -12,10 +12,11 @@ import 'package:PiliPlus/models_new/emote/emote.dart' as e;
 import 'package:PiliPlus/models_new/live/live_emote/emoticon.dart';
 import 'package:PiliPlus/pages/common/publish/common_publish_page.dart';
 import 'package:PiliPlus/pages/dynamics_mention/view.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/file_ext.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:dio/dio.dart' show CancelToken;
 import 'package:easy_debounce/easy_throttle.dart';
 import 'package:flutter/material.dart';
@@ -61,7 +62,7 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
 
   @override
   void dispose() {
-    if (Utils.isMobile) {
+    if (PlatformUtils.isMobile) {
       for (var i in pathList) {
         File(i).tryDel();
       }
@@ -82,7 +83,7 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
 
     void onClear() {
       final path = pathList.removeAt(index);
-      if (Utils.isMobile) {
+      if (PlatformUtils.isMobile) {
         File(path).tryDel();
       }
       if (pathList.isEmpty && editController.rawText.trim().isEmpty) {
@@ -110,7 +111,7 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
             controller.restoreChatPanel();
           },
           onLongPress: onClear,
-          onSecondaryTap: Utils.isMobile ? null : onClear,
+          onSecondaryTap: PlatformUtils.isMobile ? null : onClear,
           child: ClipRRect(
             borderRadius: const BorderRadius.all(Radius.circular(4)),
             child: Image(
@@ -121,7 +122,7 @@ abstract class CommonRichTextPubPageState<T extends CommonRichTextPubPage>
             ),
           ),
         ),
-        if (Utils.isMobile)
+        if (PlatformUtils.isMobile)
           Positioned(
             top: 34,
             right: 5,
diff --git a/lib/pages/download/detail/widgets/item.dart b/lib/pages/download/detail/widgets/item.dart
index eefb973db..ef9c42e1f 100644
--- a/lib/pages/download/detail/widgets/item.dart
+++ b/lib/pages/download/detail/widgets/item.dart
@@ -15,11 +15,11 @@ import 'package:PiliPlus/pages/download/downloading/view.dart';
 import 'package:PiliPlus/services/download/download_service.dart';
 import 'package:PiliPlus/utils/cache_manager.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/num_ext.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:PiliPlus/utils/path_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
-import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
@@ -156,7 +156,7 @@ class DetailItem extends StatelessWidget {
           }
         },
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/download/view.dart b/lib/pages/download/view.dart
index 2df5d58b9..8fe9e74c6 100644
--- a/lib/pages/download/view.dart
+++ b/lib/pages/download/view.dart
@@ -16,8 +16,8 @@ import 'package:PiliPlus/pages/download/detail/widgets/item.dart';
 import 'package:PiliPlus/pages/download/search/view.dart';
 import 'package:PiliPlus/services/download/download_service.dart';
 import 'package:PiliPlus/utils/grid.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
-import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart'
     hide SliverGridDelegateWithMaxCrossAxisExtent;
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
@@ -309,7 +309,7 @@ class _DownloadPageState extends State<DownloadPage> {
           );
         },
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/dynamics/controller.dart b/lib/pages/dynamics/controller.dart
index 134d720f8..eba68a0a0 100644
--- a/lib/pages/dynamics/controller.dart
+++ b/lib/pages/dynamics/controller.dart
@@ -10,7 +10,9 @@ import 'package:PiliPlus/pages/common/common_controller.dart';
 import 'package:PiliPlus/pages/dynamics_tab/controller.dart';
 import 'package:PiliPlus/services/account_service.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:easy_debounce/easy_throttle.dart';
 import 'package:flutter/material.dart';
diff --git a/lib/pages/dynamics/widgets/author_panel.dart b/lib/pages/dynamics/widgets/author_panel.dart
index f174b891a..7790d11f0 100644
--- a/lib/pages/dynamics/widgets/author_panel.dart
+++ b/lib/pages/dynamics/widgets/author_panel.dart
@@ -11,9 +11,10 @@ import 'package:PiliPlus/models/dynamics/result.dart';
 import 'package:PiliPlus/pages/dynamics/controller.dart';
 import 'package:PiliPlus/pages/save_panel/view.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:PiliPlus/utils/request_utils.dart';
diff --git a/lib/pages/dynamics/widgets/dynamic_panel.dart b/lib/pages/dynamics/widgets/dynamic_panel.dart
index f01417939..5b3bdb07a 100644
--- a/lib/pages/dynamics/widgets/dynamic_panel.dart
+++ b/lib/pages/dynamics/widgets/dynamic_panel.dart
@@ -5,7 +5,7 @@ import 'package:PiliPlus/pages/dynamics/widgets/action_panel.dart';
 import 'package:PiliPlus/pages/dynamics/widgets/author_panel.dart';
 import 'package:PiliPlus/pages/dynamics/widgets/dyn_content.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart' hide InkWell;
 
 class DynamicPanel extends StatelessWidget {
@@ -67,7 +67,7 @@ class DynamicPanel extends StatelessWidget {
             ? null
             : () => PageUtils.pushDynDetail(item),
         onLongPress: showMore,
-        onSecondaryTap: Utils.isMobile ? null : showMore,
+        onSecondaryTap: PlatformUtils.isMobile ? null : showMore,
         child: Column(
           mainAxisSize: MainAxisSize.min,
           crossAxisAlignment: CrossAxisAlignment.start,
diff --git a/lib/pages/dynamics/widgets/forward_panel.dart b/lib/pages/dynamics/widgets/forward_panel.dart
index 303e88ab9..ba6f12ce2 100644
--- a/lib/pages/dynamics/widgets/forward_panel.dart
+++ b/lib/pages/dynamics/widgets/forward_panel.dart
@@ -5,7 +5,7 @@ import 'package:PiliPlus/pages/dynamics/widgets/dyn_content.dart';
 import 'package:PiliPlus/pages/dynamics/widgets/module_panel.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart' hide InkWell;
 import 'package:get/get.dart';
 
@@ -100,7 +100,7 @@ Widget forwardPanel(
   return InkWell(
     onTap: () => PageUtils.pushDynDetail(orig),
     onLongPress: showMore,
-    onSecondaryTap: Utils.isMobile ? null : showMore,
+    onSecondaryTap: PlatformUtils.isMobile ? null : showMore,
     child: child,
   );
 }
diff --git a/lib/pages/dynamics/widgets/module_panel.dart b/lib/pages/dynamics/widgets/module_panel.dart
index 383a2e494..0e88fe37b 100644
--- a/lib/pages/dynamics/widgets/module_panel.dart
+++ b/lib/pages/dynamics/widgets/module_panel.dart
@@ -11,7 +11,7 @@ import 'package:PiliPlus/pages/dynamics/widgets/live_panel.dart';
 import 'package:PiliPlus/pages/dynamics/widgets/live_panel_sub.dart';
 import 'package:PiliPlus/pages/dynamics/widgets/live_rcmd_panel.dart';
 import 'package:PiliPlus/pages/dynamics/widgets/video_panel.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart' hide InkWell;
diff --git a/lib/pages/dynamics/widgets/up_panel.dart b/lib/pages/dynamics/widgets/up_panel.dart
index 486480c30..92dd25d18 100644
--- a/lib/pages/dynamics/widgets/up_panel.dart
+++ b/lib/pages/dynamics/widgets/up_panel.dart
@@ -8,7 +8,7 @@ import 'package:PiliPlus/pages/live_follow/view.dart';
 import 'package:PiliPlus/utils/accounts.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart' hide InkWell;
 import 'package:get/get.dart';
 
@@ -51,7 +51,7 @@ class _UpPanelState extends State<UpPanel> {
               controller.showLiveUp = !controller.showLiveUp;
             }),
             onLongPress: toFollowPage,
-            onSecondaryTap: Utils.isMobile ? null : toFollowPage,
+            onSecondaryTap: PlatformUtils.isMobile ? null : toFollowPage,
             child: Container(
               alignment: Alignment.center,
               height: isTop ? 76 : 60,
@@ -201,7 +201,7 @@ class _UpPanelState extends State<UpPanel> {
         },
         // onDoubleTap: isLive ? () => _onSelect(data) : null,
         onLongPress: !isAll ? toMemberPage : null,
-        onSecondaryTap: !isAll && !Utils.isMobile ? toMemberPage : null,
+        onSecondaryTap: !isAll && !PlatformUtils.isMobile ? toMemberPage : null,
         child: Opacity(
           opacity: isCurrent ? 1 : 0.6,
           child: Column(
diff --git a/lib/pages/dynamics_create/view.dart b/lib/pages/dynamics_create/view.dart
index 8af3c0694..3b7b0d7ce 100644
--- a/lib/pages/dynamics_create/view.dart
+++ b/lib/pages/dynamics_create/view.dart
@@ -24,8 +24,8 @@ import 'package:PiliPlus/pages/dynamics_select_topic/view.dart';
 import 'package:PiliPlus/pages/emote/controller.dart';
 import 'package:PiliPlus/pages/emote/view.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
 import 'package:PiliPlus/utils/grid.dart';
 import 'package:PiliPlus/utils/request_utils.dart';
 import 'package:flutter/foundation.dart' show kDebugMode;
diff --git a/lib/pages/dynamics_create_vote/view.dart b/lib/pages/dynamics_create_vote/view.dart
index 0e70093bf..09d898244 100644
--- a/lib/pages/dynamics_create_vote/view.dart
+++ b/lib/pages/dynamics_create_vote/view.dart
@@ -5,7 +5,8 @@ import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models/dynamics/vote_model.dart';
 import 'package:PiliPlus/pages/dynamics_create_vote/controller.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/file_ext.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:easy_debounce/easy_throttle.dart';
 import 'package:flutter/material.dart';
@@ -419,7 +420,7 @@ class _CreateVotePageState extends State<CreateVotePage> {
           if (pickedFile != null) {
             final path = pickedFile.path;
             _controller.onUpload(index, path).whenComplete(() {
-              if (Utils.isMobile) {
+              if (PlatformUtils.isMobile) {
                 File(path).tryDel();
               }
             });
diff --git a/lib/pages/dynamics_detail/view.dart b/lib/pages/dynamics_detail/view.dart
index 0057b5af7..d82fcc7fa 100644
--- a/lib/pages/dynamics_detail/view.dart
+++ b/lib/pages/dynamics_detail/view.dart
@@ -9,7 +9,7 @@ import 'package:PiliPlus/pages/dynamics/widgets/author_panel.dart';
 import 'package:PiliPlus/pages/dynamics/widgets/dynamic_panel.dart';
 import 'package:PiliPlus/pages/dynamics_detail/controller.dart';
 import 'package:PiliPlus/pages/dynamics_repost/view.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
 import 'package:PiliPlus/utils/grid.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
 import 'package:PiliPlus/utils/request_utils.dart';
diff --git a/lib/pages/dynamics_mention/view.dart b/lib/pages/dynamics_mention/view.dart
index 199b616dd..1309f2871 100644
--- a/lib/pages/dynamics_mention/view.dart
+++ b/lib/pages/dynamics_mention/view.dart
@@ -11,8 +11,9 @@ import 'package:PiliPlus/models_new/dynamic/dyn_mention/group.dart';
 import 'package:PiliPlus/pages/dynamics_mention/controller.dart';
 import 'package:PiliPlus/pages/dynamics_mention/widgets/item.dart';
 import 'package:PiliPlus/pages/search/controller.dart' show DebounceStreamState;
-import 'package:PiliPlus/utils/context_ext.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart' hide ContextExtensionss;
 
diff --git a/lib/pages/dynamics_select_topic/view.dart b/lib/pages/dynamics_select_topic/view.dart
index 1957edebf..bee4cc821 100644
--- a/lib/pages/dynamics_select_topic/view.dart
+++ b/lib/pages/dynamics_select_topic/view.dart
@@ -9,8 +9,8 @@ import 'package:PiliPlus/models_new/dynamic/dyn_topic_top/topic_item.dart';
 import 'package:PiliPlus/pages/dynamics_select_topic/controller.dart';
 import 'package:PiliPlus/pages/dynamics_select_topic/widgets/item.dart';
 import 'package:PiliPlus/pages/search/controller.dart' show DebounceStreamState;
-import 'package:PiliPlus/utils/context_ext.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart' hide ContextExtensionss;
 
diff --git a/lib/pages/dynamics_tab/controller.dart b/lib/pages/dynamics_tab/controller.dart
index f67dd921b..4ee38aaf1 100644
--- a/lib/pages/dynamics_tab/controller.dart
+++ b/lib/pages/dynamics_tab/controller.dart
@@ -7,7 +7,7 @@ import 'package:PiliPlus/pages/common/common_list_controller.dart';
 import 'package:PiliPlus/pages/dynamics/controller.dart';
 import 'package:PiliPlus/pages/main/controller.dart';
 import 'package:PiliPlus/services/account_service.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
 
diff --git a/lib/pages/dynamics_topic/controller.dart b/lib/pages/dynamics_topic/controller.dart
index d1439a958..93d6fe488 100644
--- a/lib/pages/dynamics_topic/controller.dart
+++ b/lib/pages/dynamics_topic/controller.dart
@@ -7,7 +7,7 @@ import 'package:PiliPlus/models_new/dynamic/dyn_topic_feed/topic_sort_by_conf.da
 import 'package:PiliPlus/models_new/dynamic/dyn_topic_top/top_details.dart';
 import 'package:PiliPlus/pages/common/common_list_controller.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
 
diff --git a/lib/pages/episode_panel/view.dart b/lib/pages/episode_panel/view.dart
index d3bb2b82c..917cea4a8 100644
--- a/lib/pages/episode_panel/view.dart
+++ b/lib/pages/episode_panel/view.dart
@@ -25,8 +25,9 @@ import 'package:PiliPlus/pages/video/introduction/ugc/widgets/page.dart';
 import 'package:PiliPlus/utils/accounts.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/foundation.dart';
@@ -457,7 +458,7 @@ class _EpisodePanelState extends State<EpisodePanel>
               });
             },
             onLongPress: onLongPress,
-            onSecondaryTap: Utils.isMobile ? null : onLongPress,
+            onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
             child: Padding(
               padding: const EdgeInsets.symmetric(
                 horizontal: StyleString.safeSpace,
diff --git a/lib/pages/fan/view.dart b/lib/pages/fan/view.dart
index 19c51e477..6bac81fc2 100644
--- a/lib/pages/fan/view.dart
+++ b/lib/pages/fan/view.dart
@@ -4,6 +4,7 @@ import 'package:PiliPlus/pages/fan/controller.dart';
 import 'package:PiliPlus/pages/follow_type/view.dart';
 import 'package:PiliPlus/pages/follow_type/widgets/item.dart';
 import 'package:PiliPlus/pages/share/view.dart' show UserModel;
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
@@ -80,7 +81,7 @@ class _FansPageState extends FollowTypePageState<FansPage> {
         Get.toNamed('/member?mid=${item.mid}');
       },
       onLongPress: flag ? onRemove : null,
-      onSecondaryTap: flag && !Utils.isMobile ? onRemove : null,
+      onSecondaryTap: flag && !PlatformUtils.isMobile ? onRemove : null,
     );
   }
 }
diff --git a/lib/pages/fav/note/view.dart b/lib/pages/fav/note/view.dart
index f1834cac0..de95d2391 100644
--- a/lib/pages/fav/note/view.dart
+++ b/lib/pages/fav/note/view.dart
@@ -1,6 +1,6 @@
 import 'package:PiliPlus/pages/fav/note/child_view.dart';
 import 'package:PiliPlus/pages/fav/note/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
diff --git a/lib/pages/fav/note/widget/item.dart b/lib/pages/fav/note/widget/item.dart
index c563bc0f4..f05e263a5 100644
--- a/lib/pages/fav/note/widget/item.dart
+++ b/lib/pages/fav/note/widget/item.dart
@@ -4,7 +4,7 @@ import 'package:PiliPlus/common/widgets/select_mask.dart';
 import 'package:PiliPlus/models_new/fav/fav_note/list.dart';
 import 'package:PiliPlus/pages/fav/note/controller.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 class FavNoteItem extends StatelessWidget {
@@ -45,7 +45,7 @@ class FavNoteItem extends StatelessWidget {
           }
         },
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/fav/pgc/view.dart b/lib/pages/fav/pgc/view.dart
index 1dec60bab..1b8dbac1a 100644
--- a/lib/pages/fav/pgc/view.dart
+++ b/lib/pages/fav/pgc/view.dart
@@ -1,6 +1,6 @@
 import 'package:PiliPlus/pages/fav/pgc/child_view.dart';
 import 'package:PiliPlus/pages/fav/pgc/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
diff --git a/lib/pages/fav/pgc/widget/item.dart b/lib/pages/fav/pgc/widget/item.dart
index 06c8fbf91..30bc35f60 100644
--- a/lib/pages/fav/pgc/widget/item.dart
+++ b/lib/pages/fav/pgc/widget/item.dart
@@ -7,7 +7,7 @@ import 'package:PiliPlus/models/common/badge_type.dart';
 import 'package:PiliPlus/models_new/fav/fav_pgc/list.dart';
 import 'package:PiliPlus/pages/common/multi_select/base.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 class FavPgcItem extends StatelessWidget {
@@ -48,7 +48,7 @@ class FavPgcItem extends StatelessWidget {
               PageUtils.viewPgc(seasonId: item.seasonId);
             },
             onLongPress: onLongPress,
-            onSecondaryTap: Utils.isMobile ? null : onLongPress,
+            onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
             child: Padding(
               padding: const EdgeInsets.symmetric(
                 horizontal: StyleString.safeSpace,
diff --git a/lib/pages/fav/topic/view.dart b/lib/pages/fav/topic/view.dart
index d67ce0a0d..062946573 100644
--- a/lib/pages/fav/topic/view.dart
+++ b/lib/pages/fav/topic/view.dart
@@ -6,7 +6,7 @@ import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/models_new/fav/fav_topic/topic_item.dart';
 import 'package:PiliPlus/pages/fav/topic/controller.dart';
 import 'package:PiliPlus/utils/grid.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart'
     hide SliverGridDelegateWithMaxCrossAxisExtent;
 import 'package:get/get.dart';
@@ -99,7 +99,9 @@ class _FavTopicPageState extends State<FavTopicPage>
                         },
                       ),
                       onLongPress: onLongPress,
-                      onSecondaryTap: Utils.isMobile ? null : onLongPress,
+                      onSecondaryTap: PlatformUtils.isMobile
+                          ? null
+                          : onLongPress,
                       borderRadius: const BorderRadius.all(
                         Radius.circular(6),
                       ),
diff --git a/lib/pages/fav/view.dart b/lib/pages/fav/view.dart
index cef9341c6..d2131651f 100644
--- a/lib/pages/fav/view.dart
+++ b/lib/pages/fav/view.dart
@@ -8,7 +8,7 @@ import 'package:PiliPlus/pages/fav/cheese/controller.dart';
 import 'package:PiliPlus/pages/fav/topic/controller.dart';
 import 'package:PiliPlus/pages/fav/video/controller.dart';
 import 'package:PiliPlus/pages/fav_folder_sort/view.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/fav_create/view.dart b/lib/pages/fav_create/view.dart
index 35a31064b..494c86ff9 100644
--- a/lib/pages/fav_create/view.dart
+++ b/lib/pages/fav_create/view.dart
@@ -4,10 +4,11 @@ import 'package:PiliPlus/common/widgets/loading_widget/loading_widget.dart';
 import 'package:PiliPlus/http/fav.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/http/msg.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/file_ext.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/fav_utils.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:cached_network_image/cached_network_image.dart';
 import 'package:easy_debounce/easy_throttle.dart';
 import 'package:flutter/material.dart';
@@ -118,7 +119,7 @@ class _CreateFavPageState extends State<CreateFavPage> {
       );
       if (pickedFile != null && mounted) {
         String imgPath = pickedFile.path;
-        if (Utils.isMobile) {
+        if (PlatformUtils.isMobile) {
           final croppedFile = await ImageCropper.platform.cropImage(
             sourcePath: imgPath,
             uiSettings: [
@@ -159,7 +160,7 @@ class _CreateFavPageState extends State<CreateFavPage> {
               SmartDialog.showToast(res['msg']);
             }
           }
-          if (Utils.isMobile) {
+          if (PlatformUtils.isMobile) {
             File(imgPath).tryDel();
           }
         });
diff --git a/lib/pages/fav_detail/controller.dart b/lib/pages/fav_detail/controller.dart
index dc2bd3041..54fb41410 100644
--- a/lib/pages/fav_detail/controller.dart
+++ b/lib/pages/fav_detail/controller.dart
@@ -11,7 +11,8 @@ import 'package:PiliPlus/pages/common/multi_select/base.dart';
 import 'package:PiliPlus/pages/common/multi_select/multi_select_controller.dart';
 import 'package:PiliPlus/pages/fav_sort/view.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
diff --git a/lib/pages/fav_detail/widget/fav_video_card.dart b/lib/pages/fav_detail/widget/fav_video_card.dart
index b08b03ae5..d8db42fb4 100644
--- a/lib/pages/fav_detail/widget/fav_video_card.dart
+++ b/lib/pages/fav_detail/widget/fav_video_card.dart
@@ -15,7 +15,7 @@ import 'package:PiliPlus/pages/fav_detail/controller.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
@@ -87,7 +87,7 @@ class FavVideoCardH extends StatelessWidget {
                 }
               },
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/fav_sort/view.dart b/lib/pages/fav_sort/view.dart
index 8949d7d08..2614878ce 100644
--- a/lib/pages/fav_sort/view.dart
+++ b/lib/pages/fav_sort/view.dart
@@ -3,7 +3,7 @@ import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/models_new/fav/fav_detail/media.dart';
 import 'package:PiliPlus/pages/fav_detail/controller.dart';
 import 'package:PiliPlus/pages/fav_detail/widget/fav_video_card.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/follow/view.dart b/lib/pages/follow/view.dart
index b6f9300ee..e755f5d32 100644
--- a/lib/pages/follow/view.dart
+++ b/lib/pages/follow/view.dart
@@ -7,6 +7,7 @@ import 'package:PiliPlus/models/member/tags.dart';
 import 'package:PiliPlus/pages/follow/child/child_controller.dart';
 import 'package:PiliPlus/pages/follow/child/child_view.dart';
 import 'package:PiliPlus/pages/follow/controller.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart' show LengthLimitingTextInputFormatter;
@@ -125,7 +126,7 @@ class _FollowPageState extends State<FollowPage> {
                         Feedback.forLongPress(context);
                         _onHandleTag(index, item);
                       },
-                      onSecondaryTap: Utils.isMobile
+                      onSecondaryTap: PlatformUtils.isMobile
                           ? null
                           : () => _onHandleTag(index, item),
                       child: Tab(
diff --git a/lib/pages/follow_type/follow_same/view.dart b/lib/pages/follow_type/follow_same/view.dart
index 489e3af1a..0b7e4d283 100644
--- a/lib/pages/follow_type/follow_same/view.dart
+++ b/lib/pages/follow_type/follow_same/view.dart
@@ -1,6 +1,6 @@
 import 'package:PiliPlus/pages/follow_type/follow_same/controller.dart';
 import 'package:PiliPlus/pages/follow_type/view.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/follow_type/followed/view.dart b/lib/pages/follow_type/followed/view.dart
index e6a6411d4..89f5319ee 100644
--- a/lib/pages/follow_type/followed/view.dart
+++ b/lib/pages/follow_type/followed/view.dart
@@ -1,6 +1,6 @@
 import 'package:PiliPlus/pages/follow_type/followed/controller.dart';
 import 'package:PiliPlus/pages/follow_type/view.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/group_panel/view.dart b/lib/pages/group_panel/view.dart
index a21fdccd8..832d30a17 100644
--- a/lib/pages/group_panel/view.dart
+++ b/lib/pages/group_panel/view.dart
@@ -2,7 +2,8 @@ import 'package:PiliPlus/common/widgets/loading_widget/loading_widget.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/http/member.dart';
 import 'package:PiliPlus/models/member/tags.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/num_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
diff --git a/lib/pages/history/controller.dart b/lib/pages/history/controller.dart
index cc24e9254..474bd4e3e 100644
--- a/lib/pages/history/controller.dart
+++ b/lib/pages/history/controller.dart
@@ -7,7 +7,8 @@ import 'package:PiliPlus/models_new/history/tab.dart';
 import 'package:PiliPlus/pages/common/multi_select/multi_select_controller.dart';
 import 'package:PiliPlus/pages/history/base_controller.dart';
 import 'package:PiliPlus/utils/accounts/account.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
 import 'package:flutter/material.dart';
diff --git a/lib/pages/history/view.dart b/lib/pages/history/view.dart
index 590ac7086..334ffa058 100644
--- a/lib/pages/history/view.dart
+++ b/lib/pages/history/view.dart
@@ -8,7 +8,7 @@ import 'package:PiliPlus/models_new/history/list.dart';
 import 'package:PiliPlus/pages/history/base_controller.dart';
 import 'package:PiliPlus/pages/history/controller.dart';
 import 'package:PiliPlus/pages/history/widgets/item.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:PiliPlus/utils/grid.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/history/widgets/item.dart b/lib/pages/history/widgets/item.dart
index b2a695615..2e214056b 100644
--- a/lib/pages/history/widgets/item.dart
+++ b/lib/pages/history/widgets/item.dart
@@ -12,7 +12,7 @@ import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
@@ -97,7 +97,7 @@ class HistoryItem extends StatelessWidget {
                 }
               },
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Stack(
           clipBehavior: Clip.none,
           children: [
diff --git a/lib/pages/home/view.dart b/lib/pages/home/view.dart
index 2200659e5..fce6856da 100644
--- a/lib/pages/home/view.dart
+++ b/lib/pages/home/view.dart
@@ -6,7 +6,7 @@ import 'package:PiliPlus/models/common/image_type.dart';
 import 'package:PiliPlus/pages/home/controller.dart';
 import 'package:PiliPlus/pages/main/controller.dart';
 import 'package:PiliPlus/pages/mine/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/size_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart' hide ContextExtensionss;
diff --git a/lib/pages/later/child_view.dart b/lib/pages/later/child_view.dart
index 01456e9f1..462edf8cf 100644
--- a/lib/pages/later/child_view.dart
+++ b/lib/pages/later/child_view.dart
@@ -7,7 +7,7 @@ import 'package:PiliPlus/models_new/later/list.dart';
 import 'package:PiliPlus/pages/later/base_controller.dart';
 import 'package:PiliPlus/pages/later/controller.dart';
 import 'package:PiliPlus/pages/later/widgets/video_card_h_later.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
 import 'package:PiliPlus/utils/grid.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:flutter/material.dart';
diff --git a/lib/pages/later/controller.dart b/lib/pages/later/controller.dart
index 9e1b23374..6154d7c61 100644
--- a/lib/pages/later/controller.dart
+++ b/lib/pages/later/controller.dart
@@ -11,7 +11,8 @@ import 'package:PiliPlus/pages/common/multi_select/base.dart';
 import 'package:PiliPlus/pages/common/multi_select/multi_select_controller.dart';
 import 'package:PiliPlus/pages/later/base_controller.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
diff --git a/lib/pages/later/view.dart b/lib/pages/later/view.dart
index 0f4ce8e9d..fabcb2bb3 100644
--- a/lib/pages/later/view.dart
+++ b/lib/pages/later/view.dart
@@ -8,7 +8,8 @@ import 'package:PiliPlus/pages/fav_detail/view.dart';
 import 'package:PiliPlus/pages/later/base_controller.dart';
 import 'package:PiliPlus/pages/later/controller.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:PiliPlus/utils/request_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/later/widgets/video_card_h_later.dart b/lib/pages/later/widgets/video_card_h_later.dart
index 445535ebb..97642a367 100644
--- a/lib/pages/later/widgets/video_card_h_later.dart
+++ b/lib/pages/later/widgets/video_card_h_later.dart
@@ -13,7 +13,7 @@ import 'package:PiliPlus/models_new/later/list.dart';
 import 'package:PiliPlus/pages/later/controller.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 
@@ -53,7 +53,7 @@ class VideoCardHLater extends StatelessWidget {
       type: MaterialType.transparency,
       child: InkWell(
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         onTap: enableMultiSelect
             ? () => ctr.onSelect(videoItem)
             : () async {
diff --git a/lib/pages/live/view.dart b/lib/pages/live/view.dart
index 513db61d0..9f217488a 100644
--- a/lib/pages/live/view.dart
+++ b/lib/pages/live/view.dart
@@ -17,10 +17,10 @@ import 'package:PiliPlus/pages/live/widgets/live_item_app.dart';
 import 'package:PiliPlus/pages/live_area/view.dart';
 import 'package:PiliPlus/pages/live_follow/view.dart';
 import 'package:PiliPlus/pages/search/widgets/search_text.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/grid.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
@@ -300,7 +300,7 @@ class _LivePageState extends CommonPageState<LivePage, LiveController>
               Feedback.forLongPress(context);
               Get.toNamed('/member?mid=${item.uid}');
             },
-            onSecondaryTap: Utils.isMobile
+            onSecondaryTap: PlatformUtils.isMobile
                 ? null
                 : () => Get.toNamed('/member?mid=${item.uid}'),
             child: Column(
diff --git a/lib/pages/live/widgets/live_item_app.dart b/lib/pages/live/widgets/live_item_app.dart
index 976d2bb2a..17b76e63c 100644
--- a/lib/pages/live/widgets/live_item_app.dart
+++ b/lib/pages/live/widgets/live_item_app.dart
@@ -3,7 +3,7 @@ import 'package:PiliPlus/common/widgets/image/image_save.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models_new/live/live_feed_index/card_data_list_item.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 // 视频卡片 - 垂直布局
@@ -26,7 +26,7 @@ class LiveCardVApp extends StatelessWidget {
       child: InkWell(
         onTap: () => PageUtils.toLiveRoom(item.roomid),
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Column(
           children: [
             AspectRatio(
diff --git a/lib/pages/live_area/view.dart b/lib/pages/live_area/view.dart
index b1ca6d54d..25cbadaec 100644
--- a/lib/pages/live_area/view.dart
+++ b/lib/pages/live_area/view.dart
@@ -10,7 +10,7 @@ import 'package:PiliPlus/models_new/live/live_area_list/area_list.dart';
 import 'package:PiliPlus/pages/live_area/controller.dart';
 import 'package:PiliPlus/pages/live_area_detail/view.dart';
 import 'package:PiliPlus/pages/search/widgets/search_text.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_sortable_wrap/sortable_wrap.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/live_dm_block/view.dart b/lib/pages/live_dm_block/view.dart
index 31789eede..7f07d401a 100644
--- a/lib/pages/live_dm_block/view.dart
+++ b/lib/pages/live_dm_block/view.dart
@@ -7,7 +7,7 @@ import 'package:PiliPlus/models/common/live_dm_silent_type.dart';
 import 'package:PiliPlus/models_new/live/live_dm_block/shield_user_list.dart';
 import 'package:PiliPlus/pages/live_dm_block/controller.dart';
 import 'package:PiliPlus/pages/search/widgets/search_text.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/size_ext.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:extended_nested_scroll_view/extended_nested_scroll_view.dart';
 import 'package:flutter/material.dart';
diff --git a/lib/pages/live_follow/widgets/live_item_follow.dart b/lib/pages/live_follow/widgets/live_item_follow.dart
index 6f0d8ac83..063d9e11a 100644
--- a/lib/pages/live_follow/widgets/live_item_follow.dart
+++ b/lib/pages/live_follow/widgets/live_item_follow.dart
@@ -3,7 +3,7 @@ import 'package:PiliPlus/common/widgets/image/image_save.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models_new/live/live_follow/item.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 // 视频卡片 - 垂直布局
@@ -26,7 +26,7 @@ class LiveCardVFollow extends StatelessWidget {
       child: InkWell(
         onTap: () => PageUtils.toLiveRoom(liveItem.roomid),
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Column(
           children: [
             AspectRatio(
diff --git a/lib/pages/live_room/controller.dart b/lib/pages/live_room/controller.dart
index 48f3f87bc..c31fe9b32 100644
--- a/lib/pages/live_room/controller.dart
+++ b/lib/pages/live_room/controller.dart
@@ -22,8 +22,9 @@ import 'package:PiliPlus/tcp/live.dart';
 import 'package:PiliPlus/utils/accounts.dart';
 import 'package:PiliPlus/utils/danmaku_utils.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:PiliPlus/utils/video_utils.dart';
@@ -99,7 +100,7 @@ class LiveRoomController extends GetxController {
   late final RxInt pageIndex = 0.obs;
   PageController? pageController;
 
-  int? currentQn = Utils.isMobile ? null : Pref.liveQuality;
+  int? currentQn = PlatformUtils.isMobile ? null : Pref.liveQuality;
   RxString currentQnDesc = ''.obs;
   final RxBool isPortrait = false.obs;
   late List<({int code, String desc})> acceptQnList = [];
diff --git a/lib/pages/live_room/view.dart b/lib/pages/live_room/view.dart
index b0310754b..c65bca3af 100644
--- a/lib/pages/live_room/view.dart
+++ b/lib/pages/live_room/view.dart
@@ -23,8 +23,11 @@ import 'package:PiliPlus/plugin/pl_player/models/play_status.dart';
 import 'package:PiliPlus/plugin/pl_player/utils/fullscreen.dart';
 import 'package:PiliPlus/plugin/pl_player/view.dart';
 import 'package:PiliPlus/services/service_locator.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/size_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
 import 'package:PiliPlus/utils/utils.dart';
@@ -580,7 +583,7 @@ class _LiveRoomPageState extends State<LiveRoomPage>
                   ],
                 ),
               ),
-              if (Utils.isMobile)
+              if (PlatformUtils.isMobile)
                 PopupMenuItem(
                   onTap: () => Utils.shareText(liveUrl),
                   child: Row(
diff --git a/lib/pages/live_room/widgets/header_control.dart b/lib/pages/live_room/widgets/header_control.dart
index a15cad472..afd49ea46 100644
--- a/lib/pages/live_room/widgets/header_control.dart
+++ b/lib/pages/live_room/widgets/header_control.dart
@@ -6,7 +6,7 @@ import 'package:PiliPlus/pages/video/widgets/header_control.dart';
 import 'package:PiliPlus/plugin/pl_player/controller.dart';
 import 'package:PiliPlus/plugin/pl_player/widgets/common_btn.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:floating/floating.dart';
 import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
@@ -121,7 +121,7 @@ class _LiveHeaderControlState extends State<LiveHeaderControl>
           child,
           ...?timeBatteryWidgets,
           const SizedBox(width: 10),
-          if (Utils.isDesktop && !plPlayerController.isDesktopPip)
+          if (PlatformUtils.isDesktop && !plPlayerController.isDesktopPip)
             Obx(() {
               final isAlwaysOnTop = plPlayerController.isAlwaysOnTop.value;
               return ComBtn(
@@ -141,7 +141,7 @@ class _LiveHeaderControlState extends State<LiveHeaderControl>
                 onTap: () => plPlayerController.setAlwaysOnTop(!isAlwaysOnTop),
               );
             }),
-          if (isFullScreen || Utils.isDesktop)
+          if (isFullScreen || PlatformUtils.isDesktop)
             ComBtn(
               height: 30,
               tooltip: '发弹幕',
@@ -152,12 +152,12 @@ class _LiveHeaderControlState extends State<LiveHeaderControl>
               ),
               onTap: widget.onSendDanmaku,
             ),
-          if (Platform.isAndroid || (Utils.isDesktop && !isFullScreen))
+          if (Platform.isAndroid || (PlatformUtils.isDesktop && !isFullScreen))
             ComBtn(
               height: 30,
               tooltip: '画中画',
               onTap: () async {
-                if (Utils.isDesktop) {
+                if (PlatformUtils.isDesktop) {
                   plPlayerController.toggleDesktopPip();
                   return;
                 }
diff --git a/lib/pages/live_search/controller.dart b/lib/pages/live_search/controller.dart
index 4d8dc4ea3..3b33ffaec 100644
--- a/lib/pages/live_search/controller.dart
+++ b/lib/pages/live_search/controller.dart
@@ -1,6 +1,6 @@
 import 'package:PiliPlus/models/common/live_search_type.dart';
 import 'package:PiliPlus/pages/live_search/child/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
diff --git a/lib/pages/live_search/widgets/live_search_room.dart b/lib/pages/live_search/widgets/live_search_room.dart
index 34e119a44..b75197df5 100644
--- a/lib/pages/live_search/widgets/live_search_room.dart
+++ b/lib/pages/live_search/widgets/live_search_room.dart
@@ -3,7 +3,7 @@ import 'package:PiliPlus/common/widgets/image/image_save.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models_new/live/live_search/room_item.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 // 视频卡片 - 垂直布局
@@ -26,7 +26,7 @@ class LiveCardVSearch extends StatelessWidget {
       child: InkWell(
         onTap: () => PageUtils.toLiveRoom(item.roomid),
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
diff --git a/lib/pages/log_table/view.dart b/lib/pages/log_table/view.dart
index 34c7f5089..0bac0b42b 100644
--- a/lib/pages/log_table/view.dart
+++ b/lib/pages/log_table/view.dart
@@ -2,7 +2,7 @@ import 'package:PiliPlus/common/widgets/loading_widget/http_error.dart';
 import 'package:PiliPlus/common/widgets/loading_widget/loading_widget.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/pages/log_table/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/widget_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
diff --git a/lib/pages/login/controller.dart b/lib/pages/login/controller.dart
index 88dbe5c27..134c1fd10 100644
--- a/lib/pages/login/controller.dart
+++ b/lib/pages/login/controller.dart
@@ -12,7 +12,7 @@ import 'package:PiliPlus/models/login/model.dart';
 import 'package:PiliPlus/pages/login/geetest/geetest_webview_dialog.dart';
 import 'package:PiliPlus/utils/accounts.dart';
 import 'package:PiliPlus/utils/accounts/account.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:dio/dio.dart';
 import 'package:flutter/foundation.dart' show kDebugMode;
 import 'package:flutter/material.dart';
@@ -136,7 +136,7 @@ class LoginPageController extends GetxController
       onSuccess();
     }
 
-    if (Utils.isDesktop) {
+    if (PlatformUtils.isDesktop) {
       Get.dialog<Map<String, dynamic>>(
         GeetestWebviewDialog(geeGt, geeChallenge),
       ).then((res) {
diff --git a/lib/pages/login/view.dart b/lib/pages/login/view.dart
index 094484c39..738c8612c 100644
--- a/lib/pages/login/view.dart
+++ b/lib/pages/login/view.dart
@@ -6,9 +6,11 @@ import 'package:PiliPlus/common/widgets/loading_widget/loading_widget.dart';
 import 'package:PiliPlus/common/widgets/scroll_physics.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/pages/login/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/size_ext.dart';
+import 'package:PiliPlus/utils/extension/widget_ext.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
@@ -81,7 +83,7 @@ class _LoginPageState extends State<LoginPage> {
               icon: const Icon(Icons.save),
               label: const Text('保存至相册'),
             ),
-            if (kDebugMode || Utils.isMobile)
+            if (kDebugMode || PlatformUtils.isMobile)
               TextButton.icon(
                 onPressed: () => PageUtils.launchURL(
                   'bilibili://browser?url=${Uri.encodeComponent(_loginPageCtr.codeInfo.value.data.url)}',
diff --git a/lib/pages/login_devices/view.dart b/lib/pages/login_devices/view.dart
index 173684f84..f1ebef771 100644
--- a/lib/pages/login_devices/view.dart
+++ b/lib/pages/login_devices/view.dart
@@ -5,7 +5,7 @@ import 'package:PiliPlus/common/widgets/view_sliver_safe_area.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/models_new/login_devices/device.dart';
 import 'package:PiliPlus/pages/login_devices/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/widget_ext.dart';
 import 'package:flutter/material.dart' hide ListTile;
 import 'package:get/get.dart';
 
@@ -31,10 +31,7 @@ class LoginDevicesPageState extends State<LoginDevicesPage> {
           slivers: [
             ViewSliverSafeArea(
               sliver: Obx(
-                () => _buildBody(
-                  colorScheme,
-                  _controller.loadingState.value,
-                ),
+                () => _buildBody(colorScheme, _controller.loadingState.value),
               ),
             ),
           ],
diff --git a/lib/pages/main/controller.dart b/lib/pages/main/controller.dart
index 7c461c182..0b8160513 100644
--- a/lib/pages/main/controller.dart
+++ b/lib/pages/main/controller.dart
@@ -12,7 +12,7 @@ import 'package:PiliPlus/pages/dynamics/controller.dart';
 import 'package:PiliPlus/pages/home/controller.dart';
 import 'package:PiliPlus/pages/mine/view.dart';
 import 'package:PiliPlus/services/account_service.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
diff --git a/lib/pages/main/view.dart b/lib/pages/main/view.dart
index 2377bb8aa..762d25c6c 100644
--- a/lib/pages/main/view.dart
+++ b/lib/pages/main/view.dart
@@ -12,9 +12,11 @@ import 'package:PiliPlus/pages/mine/controller.dart';
 import 'package:PiliPlus/plugin/pl_player/controller.dart';
 import 'package:PiliPlus/plugin/pl_player/models/play_status.dart';
 import 'package:PiliPlus/utils/app_scheme.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
+import 'package:PiliPlus/utils/extension/size_ext.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
 import 'package:PiliPlus/utils/utils.dart';
@@ -41,7 +43,7 @@ class _MainAppState extends State<MainApp>
   void initState() {
     super.initState();
     WidgetsBinding.instance.addObserver(this);
-    if (Utils.isDesktop) {
+    if (PlatformUtils.isDesktop) {
       windowManager
         ..addListener(this)
         ..setPreventClose(true);
@@ -58,7 +60,7 @@ class _MainAppState extends State<MainApp>
     final brightness = Theme.brightnessOf(context);
     NetworkImgLayer.reduce =
         NetworkImgLayer.reduceLuxColor != null && brightness.isDark;
-    if (Utils.isDesktop) {
+    if (PlatformUtils.isDesktop) {
       windowManager.setBrightness(brightness);
     }
     PageUtils.routeObserver.subscribe(
@@ -95,7 +97,7 @@ class _MainAppState extends State<MainApp>
 
   @override
   void dispose() {
-    if (Utils.isDesktop) {
+    if (PlatformUtils.isDesktop) {
       trayManager.removeListener(this);
       windowManager.removeListener(this);
     }
diff --git a/lib/pages/main_reply/view.dart b/lib/pages/main_reply/view.dart
index d00d1b3a3..15e120114 100644
--- a/lib/pages/main_reply/view.dart
+++ b/lib/pages/main_reply/view.dart
@@ -9,7 +9,7 @@ import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/pages/main_reply/controller.dart';
 import 'package:PiliPlus/pages/video/reply/widgets/reply_item_grpc.dart';
 import 'package:PiliPlus/pages/video/reply_reply/view.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/widget_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
diff --git a/lib/pages/match_info/view.dart b/lib/pages/match_info/view.dart
index 56b2c6a4c..2d8561870 100644
--- a/lib/pages/match_info/view.dart
+++ b/lib/pages/match_info/view.dart
@@ -11,7 +11,8 @@ import 'package:PiliPlus/pages/common/dyn/common_dyn_page.dart';
 import 'package:PiliPlus/pages/match_info/controller.dart';
 import 'package:PiliPlus/pages/video/reply_reply/view.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
+import 'package:PiliPlus/utils/extension/widget_ext.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:easy_debounce/easy_throttle.dart';
 import 'package:flutter/material.dart';
diff --git a/lib/pages/member/widget/user_info_card.dart b/lib/pages/member/widget/user_info_card.dart
index 941de7950..4fce6482d 100644
--- a/lib/pages/member/widget/user_info_card.dart
+++ b/lib/pages/member/widget/user_info_card.dart
@@ -15,8 +15,9 @@ import 'package:PiliPlus/pages/follow/view.dart';
 import 'package:PiliPlus/pages/follow_type/followed/view.dart';
 import 'package:PiliPlus/utils/accounts.dart';
 import 'package:PiliPlus/utils/app_scheme.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
diff --git a/lib/pages/member_article/widget/item.dart b/lib/pages/member_article/widget/item.dart
index 46db260a9..d4d5163be 100644
--- a/lib/pages/member_article/widget/item.dart
+++ b/lib/pages/member_article/widget/item.dart
@@ -5,7 +5,7 @@ import 'package:PiliPlus/common/widgets/stat/stat.dart';
 import 'package:PiliPlus/models/common/stat_type.dart';
 import 'package:PiliPlus/models_new/space/space_article/item.dart';
 import 'package:PiliPlus/utils/app_scheme.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 class MemberArticleItem extends StatelessWidget {
@@ -30,7 +30,7 @@ class MemberArticleItem extends StatelessWidget {
           }
         },
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/member_audio/widgets/item.dart b/lib/pages/member_audio/widgets/item.dart
index 1e4da125f..847caab28 100644
--- a/lib/pages/member_audio/widgets/item.dart
+++ b/lib/pages/member_audio/widgets/item.dart
@@ -8,7 +8,7 @@ import 'package:PiliPlus/models/common/stat_type.dart';
 import 'package:PiliPlus/models_new/space/space_audio/item.dart';
 import 'package:PiliPlus/pages/audio/view.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 class MemberAudioItem extends StatelessWidget {
@@ -31,7 +31,7 @@ class MemberAudioItem extends StatelessWidget {
           from: PlaylistSource.MEM_SPACE,
         ),
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/member_cheese/widgets/item.dart b/lib/pages/member_cheese/widgets/item.dart
index 2bf6c15dd..49ea2ce45 100644
--- a/lib/pages/member_cheese/widgets/item.dart
+++ b/lib/pages/member_cheese/widgets/item.dart
@@ -6,7 +6,7 @@ import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models_new/space/space_cheese/item.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 class MemberCheeseItem extends StatelessWidget {
@@ -77,7 +77,7 @@ class MemberCheeseItem extends StatelessWidget {
       child: InkWell(
         onTap: () => PageUtils.viewPugv(seasonId: item.seasonId),
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/member_coin_arc/widgets/item.dart b/lib/pages/member_coin_arc/widgets/item.dart
index 06b92bbf1..52a5e67ed 100644
--- a/lib/pages/member_coin_arc/widgets/item.dart
+++ b/lib/pages/member_coin_arc/widgets/item.dart
@@ -11,7 +11,7 @@ import 'package:PiliPlus/models_new/member/coin_like_arc/item.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 class MemberCoinLikeItem extends StatelessWidget {
@@ -53,7 +53,7 @@ class MemberCoinLikeItem extends StatelessWidget {
           }
         },
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
diff --git a/lib/pages/member_comic/widgets/item.dart b/lib/pages/member_comic/widgets/item.dart
index c20687083..1431c8a9f 100644
--- a/lib/pages/member_comic/widgets/item.dart
+++ b/lib/pages/member_comic/widgets/item.dart
@@ -2,7 +2,7 @@ import 'package:PiliPlus/common/constants.dart';
 import 'package:PiliPlus/common/widgets/image/image_save.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models_new/space/space_archive/item.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
@@ -31,7 +31,7 @@ class MemberComicItem extends StatelessWidget {
           );
         },
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/member_contribute/controller.dart b/lib/pages/member_contribute/controller.dart
index d1427f1c0..62e3856bd 100644
--- a/lib/pages/member_contribute/controller.dart
+++ b/lib/pages/member_contribute/controller.dart
@@ -2,7 +2,7 @@ import 'dart:math';
 
 import 'package:PiliPlus/models_new/space/space/tab2.dart';
 import 'package:PiliPlus/pages/member/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
diff --git a/lib/pages/member_contribute/view.dart b/lib/pages/member_contribute/view.dart
index ac4a33716..2a9a4047e 100644
--- a/lib/pages/member_contribute/view.dart
+++ b/lib/pages/member_contribute/view.dart
@@ -8,7 +8,7 @@ import 'package:PiliPlus/pages/member_contribute/controller.dart';
 import 'package:PiliPlus/pages/member_opus/view.dart';
 import 'package:PiliPlus/pages/member_season_series/view.dart';
 import 'package:PiliPlus/pages/member_video/view.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
diff --git a/lib/pages/member_favorite/widget/item.dart b/lib/pages/member_favorite/widget/item.dart
index 8583d9010..d1ee7a191 100644
--- a/lib/pages/member_favorite/widget/item.dart
+++ b/lib/pages/member_favorite/widget/item.dart
@@ -6,6 +6,7 @@ import 'package:PiliPlus/models_new/space/space_fav/list.dart';
 import 'package:PiliPlus/pages/subscription_detail/view.dart';
 import 'package:PiliPlus/utils/fav_utils.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
@@ -49,7 +50,7 @@ class MemberFavItem extends StatelessWidget {
           }
         },
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/member_home/view.dart b/lib/pages/member_home/view.dart
index 1c14c59aa..39a2ceda1 100644
--- a/lib/pages/member_home/view.dart
+++ b/lib/pages/member_home/view.dart
@@ -16,7 +16,7 @@ import 'package:PiliPlus/pages/member_home/widgets/fav_item.dart';
 import 'package:PiliPlus/pages/member_home/widgets/video_card_v_member_home.dart';
 import 'package:PiliPlus/pages/member_like_arc/view.dart';
 import 'package:PiliPlus/pages/member_pgc/widgets/pgc_card_v_member_pgc.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
 import 'package:PiliPlus/utils/grid.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
diff --git a/lib/pages/member_home/widgets/fav_item.dart b/lib/pages/member_home/widgets/fav_item.dart
index c11c84799..4247ad604 100644
--- a/lib/pages/member_home/widgets/fav_item.dart
+++ b/lib/pages/member_home/widgets/fav_item.dart
@@ -2,6 +2,7 @@ import 'package:PiliPlus/common/constants.dart';
 import 'package:PiliPlus/common/widgets/image/image_save.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models_new/space/space_fav/list.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
@@ -30,7 +31,7 @@ class MemberFavItem extends StatelessWidget {
           );
         },
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/member_home/widgets/video_card_v_member_home.dart b/lib/pages/member_home/widgets/video_card_v_member_home.dart
index c7a56a0e5..0df85361b 100644
--- a/lib/pages/member_home/widgets/video_card_v_member_home.dart
+++ b/lib/pages/member_home/widgets/video_card_v_member_home.dart
@@ -9,7 +9,7 @@ import 'package:PiliPlus/utils/app_scheme.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 // 视频卡片 - 垂直布局
@@ -74,7 +74,7 @@ class VideoCardVMemberHome extends StatelessWidget {
       child: InkWell(
         onTap: onPushDetail,
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
diff --git a/lib/pages/member_pgc/widgets/pgc_card_v_member_pgc.dart b/lib/pages/member_pgc/widgets/pgc_card_v_member_pgc.dart
index 52abde0f9..fd22d0391 100644
--- a/lib/pages/member_pgc/widgets/pgc_card_v_member_pgc.dart
+++ b/lib/pages/member_pgc/widgets/pgc_card_v_member_pgc.dart
@@ -3,7 +3,7 @@ import 'package:PiliPlus/common/widgets/image/image_save.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models_new/space/space_archive/item.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 // 视频卡片 - 垂直布局
@@ -27,7 +27,7 @@ class PgcCardVMemberPgc extends StatelessWidget {
         borderRadius: StyleString.mdRadius,
         onTap: () => PageUtils.viewPgc(seasonId: item.param),
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
diff --git a/lib/pages/member_profile/view.dart b/lib/pages/member_profile/view.dart
index bb3b6bc4a..4f67a88b0 100644
--- a/lib/pages/member_profile/view.dart
+++ b/lib/pages/member_profile/view.dart
@@ -13,9 +13,13 @@ import 'package:PiliPlus/services/account_service.dart';
 import 'package:PiliPlus/utils/accounts.dart';
 import 'package:PiliPlus/utils/app_sign.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/file_ext.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:PiliPlus/utils/utils.dart';
@@ -488,7 +492,7 @@ class _EditProfilePageState extends State<EditProfilePage> {
           return;
         }
         String? imagePath = pickedFile.path;
-        if (Utils.isMobile) {
+        if (PlatformUtils.isMobile) {
           final croppedFile = await ImageCropper.platform.cropImage(
             sourcePath: imagePath,
             uiSettings: [
@@ -540,7 +544,7 @@ class _EditProfilePageState extends State<EditProfilePage> {
                 } else {
                   SmartDialog.showToast(res.data['message']);
                 }
-                if (Utils.isMobile && imagePath != null) {
+                if (PlatformUtils.isMobile && imagePath != null) {
                   File(imagePath).tryDel();
                 }
               });
diff --git a/lib/pages/member_search/controller.dart b/lib/pages/member_search/controller.dart
index edaece801..5e68095fd 100644
--- a/lib/pages/member_search/controller.dart
+++ b/lib/pages/member_search/controller.dart
@@ -1,6 +1,6 @@
 import 'package:PiliPlus/models/common/member/search_type.dart';
 import 'package:PiliPlus/pages/member_search/child/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/member_season_series/widget/season_series_card.dart b/lib/pages/member_season_series/widget/season_series_card.dart
index 79058be8a..f0a81b16f 100644
--- a/lib/pages/member_season_series/widget/season_series_card.dart
+++ b/lib/pages/member_season_series/widget/season_series_card.dart
@@ -4,7 +4,7 @@ import 'package:PiliPlus/common/widgets/image/image_save.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models_new/space/space_season_series/season.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 class SeasonSeriesCard extends StatelessWidget {
@@ -26,7 +26,7 @@ class SeasonSeriesCard extends StatelessWidget {
       type: MaterialType.transparency,
       child: InkWell(
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         onTap: onTap,
         child: Padding(
           padding: const EdgeInsets.symmetric(
diff --git a/lib/pages/member_shop/view.dart b/lib/pages/member_shop/view.dart
index cd8c9c584..2c12702c6 100644
--- a/lib/pages/member_shop/view.dart
+++ b/lib/pages/member_shop/view.dart
@@ -6,7 +6,7 @@ import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/models_new/space/space_shop/item.dart';
 import 'package:PiliPlus/pages/member_shop/controller.dart';
 import 'package:PiliPlus/pages/member_shop/widgets/item.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:PiliPlus/utils/grid.dart';
 import 'package:PiliPlus/utils/waterfall.dart';
 import 'package:flutter/material.dart';
diff --git a/lib/pages/member_shop/widgets/item.dart b/lib/pages/member_shop/widgets/item.dart
index 1dbfa0597..dc46c3924 100644
--- a/lib/pages/member_shop/widgets/item.dart
+++ b/lib/pages/member_shop/widgets/item.dart
@@ -2,7 +2,7 @@ import 'package:PiliPlus/common/widgets/badge.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models/common/badge_type.dart';
 import 'package:PiliPlus/models_new/space/space_shop/item.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
diff --git a/lib/pages/member_upower_rank/view.dart b/lib/pages/member_upower_rank/view.dart
index cb80b8ff7..c3157ce3c 100644
--- a/lib/pages/member_upower_rank/view.dart
+++ b/lib/pages/member_upower_rank/view.dart
@@ -8,7 +8,7 @@ import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/models/common/image_type.dart';
 import 'package:PiliPlus/models_new/upower_rank/rank_info.dart';
 import 'package:PiliPlus/pages/member_upower_rank/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/widget_ext.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart' hide ListTile;
 import 'package:get/get.dart';
diff --git a/lib/pages/member_video/controller.dart b/lib/pages/member_video/controller.dart
index f94bae9f8..32e6e17d9 100644
--- a/lib/pages/member_video/controller.dart
+++ b/lib/pages/member_video/controller.dart
@@ -8,7 +8,7 @@ import 'package:PiliPlus/models_new/space/space_archive/data.dart';
 import 'package:PiliPlus/models_new/space/space_archive/episodic_button.dart';
 import 'package:PiliPlus/models_new/space/space_archive/item.dart';
 import 'package:PiliPlus/pages/common/common_list_controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/member_video/widgets/video_card_h_member_video.dart b/lib/pages/member_video/widgets/video_card_h_member_video.dart
index 4e9376d3a..c549902a0 100644
--- a/lib/pages/member_video/widgets/video_card_h_member_video.dart
+++ b/lib/pages/member_video/widgets/video_card_h_member_video.dart
@@ -11,7 +11,7 @@ import 'package:PiliPlus/models_new/space/space_archive/item.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 
@@ -44,7 +44,7 @@ class VideoCardHMemberVideo extends StatelessWidget {
         children: [
           InkWell(
             onLongPress: onLongPress,
-            onSecondaryTap: Utils.isMobile ? null : onLongPress,
+            onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
             onTap:
                 onTap ??
                 () {
diff --git a/lib/pages/mine/view.dart b/lib/pages/mine/view.dart
index f7f989222..9178963d0 100644
--- a/lib/pages/mine/view.dart
+++ b/lib/pages/mine/view.dart
@@ -15,7 +15,8 @@ import 'package:PiliPlus/pages/login/controller.dart';
 import 'package:PiliPlus/pages/main/controller.dart';
 import 'package:PiliPlus/pages/mine/controller.dart';
 import 'package:PiliPlus/pages/mine/widgets/item.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart' hide ListTile;
 import 'package:get/get.dart';
@@ -252,7 +253,7 @@ class _MediaPageState extends CommonPageState<MinePage, MineController>
               Feedback.forLongPress(context);
               controller.onLogin(true);
             },
-            onSecondaryTap: Utils.isMobile
+            onSecondaryTap: PlatformUtils.isMobile
                 ? null
                 : () => controller.onLogin(true),
             child: Row(
diff --git a/lib/pages/msg_feed_top/at_me/view.dart b/lib/pages/msg_feed_top/at_me/view.dart
index d8374f48a..e4952b814 100644
--- a/lib/pages/msg_feed_top/at_me/view.dart
+++ b/lib/pages/msg_feed_top/at_me/view.dart
@@ -13,7 +13,7 @@ import 'package:PiliPlus/pages/msg_feed_top/at_me/controller.dart';
 import 'package:PiliPlus/pages/whisper_settings/view.dart';
 import 'package:PiliPlus/utils/app_scheme.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart' hide ListTile;
 import 'package:get/get.dart';
 
@@ -110,7 +110,7 @@ class _AtMePageState extends State<AtMePage> {
                       PiliScheme.routePushFromUrl(nativeUri);
                     },
                     onLongPress: onLongPress,
-                    onSecondaryTap: Utils.isMobile ? null : onLongPress,
+                    onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
                     leading: GestureDetector(
                       onTap: () => Get.toNamed('/member?mid=${item.user?.mid}'),
                       child: NetworkImgLayer(
diff --git a/lib/pages/msg_feed_top/like_me/controller.dart b/lib/pages/msg_feed_top/like_me/controller.dart
index d571e4d82..666e778bd 100644
--- a/lib/pages/msg_feed_top/like_me/controller.dart
+++ b/lib/pages/msg_feed_top/like_me/controller.dart
@@ -4,7 +4,7 @@ import 'package:PiliPlus/http/msg.dart';
 import 'package:PiliPlus/models_new/msg/msg_like/data.dart';
 import 'package:PiliPlus/models_new/msg/msg_like/item.dart';
 import 'package:PiliPlus/pages/common/common_data_controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 
 class LikeMeController
diff --git a/lib/pages/msg_feed_top/like_me/view.dart b/lib/pages/msg_feed_top/like_me/view.dart
index 34b598076..edacd7a73 100644
--- a/lib/pages/msg_feed_top/like_me/view.dart
+++ b/lib/pages/msg_feed_top/like_me/view.dart
@@ -14,7 +14,7 @@ import 'package:PiliPlus/pages/msg_feed_top/like_me/controller.dart';
 import 'package:PiliPlus/pages/whisper_settings/view.dart';
 import 'package:PiliPlus/utils/app_scheme.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart' hide ListTile;
 import 'package:get/get.dart';
 
@@ -271,7 +271,7 @@ class _LikeMePageState extends State<LikeMePage> {
         PiliScheme.routePushFromUrl(nativeUri);
       },
       onLongPress: onLongPress,
-      onSecondaryTap: Utils.isMobile ? null : onLongPress,
+      onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
       leading: avatar,
       title: Text.rich(
         TextSpan(
diff --git a/lib/pages/msg_feed_top/reply_me/view.dart b/lib/pages/msg_feed_top/reply_me/view.dart
index 21843b511..20d53cf4e 100644
--- a/lib/pages/msg_feed_top/reply_me/view.dart
+++ b/lib/pages/msg_feed_top/reply_me/view.dart
@@ -13,7 +13,7 @@ import 'package:PiliPlus/pages/msg_feed_top/reply_me/controller.dart';
 import 'package:PiliPlus/pages/whisper_settings/view.dart';
 import 'package:PiliPlus/utils/app_scheme.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart' hide ListTile;
 import 'package:get/get.dart';
 
@@ -118,7 +118,7 @@ class _ReplyMePageState extends State<ReplyMePage> {
                       );
                     },
                     onLongPress: onLongPress,
-                    onSecondaryTap: Utils.isMobile ? null : onLongPress,
+                    onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
                     leading: GestureDetector(
                       onTap: () => Get.toNamed('/member?mid=${item.user?.mid}'),
                       child: NetworkImgLayer(
diff --git a/lib/pages/msg_feed_top/sys_msg/view.dart b/lib/pages/msg_feed_top/sys_msg/view.dart
index 857b8ec77..9888db6bd 100644
--- a/lib/pages/msg_feed_top/sys_msg/view.dart
+++ b/lib/pages/msg_feed_top/sys_msg/view.dart
@@ -9,7 +9,7 @@ import 'package:PiliPlus/pages/msg_feed_top/sys_msg/controller.dart';
 import 'package:PiliPlus/utils/app_scheme.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart' hide ListTile;
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
@@ -87,7 +87,7 @@ class _SysMsgPageState extends State<SysMsgPage> {
                   return ListTile(
                     safeArea: true,
                     onLongPress: onLongPress,
-                    onSecondaryTap: Utils.isMobile ? null : onLongPress,
+                    onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
                     title: Text(
                       "${item.title}",
                       style: theme.textTheme.titleMedium,
diff --git a/lib/pages/music/video/view.dart b/lib/pages/music/video/view.dart
index bf30da966..51787080b 100644
--- a/lib/pages/music/video/view.dart
+++ b/lib/pages/music/video/view.dart
@@ -6,7 +6,7 @@ import 'package:PiliPlus/models/common/image_type.dart';
 import 'package:PiliPlus/models_new/music/bgm_recommend_list.dart';
 import 'package:PiliPlus/pages/music/video/controller.dart';
 import 'package:PiliPlus/pages/music/widget/music_video_card_h.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
 import 'package:PiliPlus/utils/grid.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/music/view.dart b/lib/pages/music/view.dart
index 0a09c1e0a..9dc379659 100644
--- a/lib/pages/music/view.dart
+++ b/lib/pages/music/view.dart
@@ -17,7 +17,10 @@ import 'package:PiliPlus/pages/music/controller.dart';
 import 'package:PiliPlus/pages/music/video/view.dart';
 import 'package:PiliPlus/utils/accounts.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/num_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/grid.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
diff --git a/lib/pages/music/widget/music_video_card_h.dart b/lib/pages/music/widget/music_video_card_h.dart
index 7dd602f0b..081afa752 100644
--- a/lib/pages/music/widget/music_video_card_h.dart
+++ b/lib/pages/music/widget/music_video_card_h.dart
@@ -10,7 +10,7 @@ import 'package:PiliPlus/models/common/stat_type.dart';
 import 'package:PiliPlus/models_new/music/bgm_recommend_list.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 class MusicVideoCardH extends StatelessWidget {
@@ -44,7 +44,7 @@ class MusicVideoCardH extends StatelessWidget {
           }
         },
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/pgc/controller.dart b/lib/pages/pgc/controller.dart
index efa7eb12e..abda72362 100644
--- a/lib/pages/pgc/controller.dart
+++ b/lib/pages/pgc/controller.dart
@@ -8,7 +8,8 @@ import 'package:PiliPlus/models_new/pgc/pgc_index_result/list.dart';
 import 'package:PiliPlus/models_new/pgc/pgc_timeline/result.dart';
 import 'package:PiliPlus/pages/common/common_list_controller.dart';
 import 'package:PiliPlus/services/account_service.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/pgc/view.dart b/lib/pages/pgc/view.dart
index b95f42c51..5c1786478 100644
--- a/lib/pages/pgc/view.dart
+++ b/lib/pages/pgc/view.dart
@@ -20,7 +20,7 @@ import 'package:PiliPlus/pages/pgc/widgets/pgc_card_v_timeline.dart';
 import 'package:PiliPlus/pages/pgc_index/controller.dart';
 import 'package:PiliPlus/pages/pgc_index/view.dart';
 import 'package:PiliPlus/pages/pgc_index/widgets/pgc_card_v_pgc_index.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:PiliPlus/utils/grid.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/pgc/widgets/pgc_card_v.dart b/lib/pages/pgc/widgets/pgc_card_v.dart
index 34d88d951..1c6b1e4ea 100644
--- a/lib/pages/pgc/widgets/pgc_card_v.dart
+++ b/lib/pages/pgc/widgets/pgc_card_v.dart
@@ -5,7 +5,7 @@ import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models/common/badge_type.dart';
 import 'package:PiliPlus/models_new/fav/fav_pgc/list.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 // 视频卡片 - 垂直布局
@@ -28,7 +28,7 @@ class PgcCardV extends StatelessWidget {
       child: InkWell(
         borderRadius: StyleString.mdRadius,
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         onTap: () => PageUtils.viewPgc(seasonId: item.seasonId),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
diff --git a/lib/pages/pgc/widgets/pgc_card_v_timeline.dart b/lib/pages/pgc/widgets/pgc_card_v_timeline.dart
index effaba8c3..e9413f054 100644
--- a/lib/pages/pgc/widgets/pgc_card_v_timeline.dart
+++ b/lib/pages/pgc/widgets/pgc_card_v_timeline.dart
@@ -5,7 +5,7 @@ import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models/common/badge_type.dart';
 import 'package:PiliPlus/models_new/pgc/pgc_timeline/episode.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 // 视频卡片 - 垂直布局
@@ -28,7 +28,7 @@ class PgcCardVTimeline extends StatelessWidget {
       child: InkWell(
         borderRadius: StyleString.mdRadius,
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         onTap: () =>
             PageUtils.viewPgc(seasonId: item.seasonId, epId: item.episodeId),
         child: Column(
diff --git a/lib/pages/pgc_index/widgets/pgc_card_v_pgc_index.dart b/lib/pages/pgc_index/widgets/pgc_card_v_pgc_index.dart
index 4fdd0d5d9..915e51b02 100644
--- a/lib/pages/pgc_index/widgets/pgc_card_v_pgc_index.dart
+++ b/lib/pages/pgc_index/widgets/pgc_card_v_pgc_index.dart
@@ -5,7 +5,7 @@ import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models/common/badge_type.dart';
 import 'package:PiliPlus/models_new/pgc/pgc_index_result/list.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 // 视频卡片 - 垂直布局
@@ -29,7 +29,7 @@ class PgcCardVPgcIndex extends StatelessWidget {
         borderRadius: StyleString.mdRadius,
         onTap: () => PageUtils.viewPgc(seasonId: item.seasonId),
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
diff --git a/lib/pages/pgc_review/child/view.dart b/lib/pages/pgc_review/child/view.dart
index ccca87163..0799e649c 100644
--- a/lib/pages/pgc_review/child/view.dart
+++ b/lib/pages/pgc_review/child/view.dart
@@ -12,9 +12,9 @@ import 'package:PiliPlus/models_new/pgc/pgc_review/list.dart';
 import 'package:PiliPlus/pages/pgc_review/child/controller.dart';
 import 'package:PiliPlus/pages/pgc_review/post/view.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:get/get.dart';
@@ -192,7 +192,9 @@ class _PgcReviewChildPageState extends State<PgcReviewChildPage>
               )
             : null,
         onLongPress: !isLongReview ? showMore : null,
-        onSecondaryTap: !isLongReview && !Utils.isMobile ? showMore : null,
+        onSecondaryTap: !isLongReview && !PlatformUtils.isMobile
+            ? showMore
+            : null,
         child: Padding(
           padding: const EdgeInsets.all(12),
           child: Column(
diff --git a/lib/pages/pgc_review/view.dart b/lib/pages/pgc_review/view.dart
index f323a7768..30175756f 100644
--- a/lib/pages/pgc_review/view.dart
+++ b/lib/pages/pgc_review/view.dart
@@ -2,7 +2,7 @@ import 'package:PiliPlus/models/common/pgc_review_type.dart';
 import 'package:PiliPlus/pages/pgc_review/child/controller.dart';
 import 'package:PiliPlus/pages/pgc_review/child/view.dart';
 import 'package:PiliPlus/pages/pgc_review/post/view.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
diff --git a/lib/pages/popular_series/controller.dart b/lib/pages/popular_series/controller.dart
index 4f78fced5..56661922f 100644
--- a/lib/pages/popular_series/controller.dart
+++ b/lib/pages/popular_series/controller.dart
@@ -6,7 +6,7 @@ import 'package:PiliPlus/models_new/popular/popular_series_list/list.dart';
 import 'package:PiliPlus/models_new/popular/popular_series_one/config.dart';
 import 'package:PiliPlus/models_new/popular/popular_series_one/data.dart';
 import 'package:PiliPlus/pages/common/common_list_controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:get/get.dart';
 
 class PopularSeriesController
diff --git a/lib/pages/rank/zone/widget/pgc_rank_item.dart b/lib/pages/rank/zone/widget/pgc_rank_item.dart
index d56bc490b..2044720ec 100644
--- a/lib/pages/rank/zone/widget/pgc_rank_item.dart
+++ b/lib/pages/rank/zone/widget/pgc_rank_item.dart
@@ -5,7 +5,7 @@ import 'package:PiliPlus/common/widgets/stat/stat.dart';
 import 'package:PiliPlus/models/common/stat_type.dart';
 import 'package:PiliPlus/models_new/pgc/pgc_rank/pgc_rank_item_model.dart';
 import 'package:PiliPlus/utils/app_scheme.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 class PgcRankItem extends StatelessWidget {
@@ -28,7 +28,7 @@ class PgcRankItem extends StatelessWidget {
           }
         },
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/save_panel/view.dart b/lib/pages/save_panel/view.dart
index 5cb5a2141..194447c03 100644
--- a/lib/pages/save_panel/view.dart
+++ b/lib/pages/save_panel/view.dart
@@ -13,9 +13,10 @@ import 'package:PiliPlus/pages/music/controller.dart';
 import 'package:PiliPlus/pages/video/introduction/pgc/controller.dart';
 import 'package:PiliPlus/pages/video/introduction/ugc/controller.dart';
 import 'package:PiliPlus/pages/video/reply/widgets/reply_item_grpc.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/foundation.dart' show kDebugMode;
 import 'package:flutter/material.dart';
@@ -286,7 +287,7 @@ class _SavePanelState extends State<SavePanel> {
   }
 
   Future<void> _onSaveOrSharePic([bool isShare = false]) async {
-    if (!isShare && Utils.isMobile) {
+    if (!isShare && PlatformUtils.isMobile) {
       if (mounted && !await ImageUtils.checkPermissionDependOnSdkInt(context)) {
         return;
       }
@@ -589,7 +590,7 @@ class _SavePanelState extends State<SavePanel> {
                         showBottom = !showBottom;
                       }),
                     ),
-                    if (Utils.isMobile)
+                    if (PlatformUtils.isMobile)
                       iconButton(
                         size: 42,
                         tooltip: '分享',
diff --git a/lib/pages/search/controller.dart b/lib/pages/search/controller.dart
index bf5eceff9..f4edb0f15 100644
--- a/lib/pages/search/controller.dart
+++ b/lib/pages/search/controller.dart
@@ -6,11 +6,12 @@ import 'package:PiliPlus/http/search.dart';
 import 'package:PiliPlus/models/search/suggest.dart';
 import 'package:PiliPlus/models_new/search/search_rcmd/data.dart';
 import 'package:PiliPlus/models_new/search/search_trending/data.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
-import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/scheduler.dart';
 import 'package:get/get.dart';
@@ -190,7 +191,7 @@ class SSearchController extends GetxController
       },
     );
     searchFocusNode.requestFocus();
-    if (Utils.isDesktop) {
+    if (PlatformUtils.isDesktop) {
       SchedulerBinding.instance.addPostFrameCallback((_) {
         controller.selection = TextSelection.collapsed(
           offset: controller.text.length,
diff --git a/lib/pages/search/view.dart b/lib/pages/search/view.dart
index 2c009c6dc..77821ce54 100644
--- a/lib/pages/search/view.dart
+++ b/lib/pages/search/view.dart
@@ -9,7 +9,7 @@ import 'package:PiliPlus/pages/search/controller.dart';
 import 'package:PiliPlus/pages/search/widgets/hot_keyword.dart';
 import 'package:PiliPlus/pages/search/widgets/search_text.dart';
 import 'package:PiliPlus/utils/em.dart' show Em;
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/size_ext.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
 import 'package:PiliPlus/utils/utils.dart';
diff --git a/lib/pages/search/widgets/hot_keyword.dart b/lib/pages/search/widgets/hot_keyword.dart
index 86a46dc1c..b95921fb9 100644
--- a/lib/pages/search/widgets/hot_keyword.dart
+++ b/lib/pages/search/widgets/hot_keyword.dart
@@ -1,5 +1,5 @@
 import 'package:PiliPlus/models_new/search/search_trending/list.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart';
diff --git a/lib/pages/search/widgets/search_text.dart b/lib/pages/search/widgets/search_text.dart
index 4556e3660..4883c8470 100644
--- a/lib/pages/search/widgets/search_text.dart
+++ b/lib/pages/search/widgets/search_text.dart
@@ -1,4 +1,4 @@
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 class SearchText extends StatelessWidget {
@@ -33,7 +33,7 @@ class SearchText extends StatelessWidget {
       child: InkWell(
         onTap: () => onTap?.call(text),
         onLongPress: hasLongPress ? () => onLongPress!(text) : null,
-        onSecondaryTap: hasLongPress && !Utils.isMobile
+        onSecondaryTap: hasLongPress && !PlatformUtils.isMobile
             ? () => onLongPress!(text)
             : null,
         borderRadius: const BorderRadius.all(Radius.circular(6)),
diff --git a/lib/pages/search_panel/all/widgets/pgc_card_v_search.dart b/lib/pages/search_panel/all/widgets/pgc_card_v_search.dart
index ad0172753..41c0a0708 100644
--- a/lib/pages/search_panel/all/widgets/pgc_card_v_search.dart
+++ b/lib/pages/search_panel/all/widgets/pgc_card_v_search.dart
@@ -4,7 +4,7 @@ import 'package:PiliPlus/common/widgets/image/image_save.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models/search/result.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 // 视频卡片 - 垂直布局
@@ -27,7 +27,7 @@ class PgcCardVSearch extends StatelessWidget {
       child: InkWell(
         borderRadius: StyleString.mdRadius,
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         onTap: () => PageUtils.viewPgc(seasonId: item.seasonId),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
diff --git a/lib/pages/search_panel/article/controller.dart b/lib/pages/search_panel/article/controller.dart
index b282aee28..57969dd6c 100644
--- a/lib/pages/search_panel/article/controller.dart
+++ b/lib/pages/search_panel/article/controller.dart
@@ -4,7 +4,7 @@ import 'package:PiliPlus/models/common/search/article_search_type.dart';
 import 'package:PiliPlus/models/search/result.dart';
 import 'package:PiliPlus/pages/search/widgets/search_text.dart';
 import 'package:PiliPlus/pages/search_panel/controller.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart' hide ContextExtensionss;
 
diff --git a/lib/pages/search_panel/article/widgets/item.dart b/lib/pages/search_panel/article/widgets/item.dart
index 7fa43db6e..e5d725429 100644
--- a/lib/pages/search_panel/article/widgets/item.dart
+++ b/lib/pages/search_panel/article/widgets/item.dart
@@ -3,7 +3,7 @@ import 'package:PiliPlus/common/widgets/image/image_save.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models/search/result.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
@@ -34,7 +34,7 @@ class SearchArticleItem extends StatelessWidget {
           },
         ),
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/search_panel/controller.dart b/lib/pages/search_panel/controller.dart
index d5b8a48ce..b2b8aee16 100644
--- a/lib/pages/search_panel/controller.dart
+++ b/lib/pages/search_panel/controller.dart
@@ -7,7 +7,7 @@ import 'package:PiliPlus/models/common/search/video_search_type.dart';
 import 'package:PiliPlus/models/search/result.dart';
 import 'package:PiliPlus/pages/common/common_list_controller.dart';
 import 'package:PiliPlus/pages/search_result/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
 
diff --git a/lib/pages/search_panel/live/widgets/item.dart b/lib/pages/search_panel/live/widgets/item.dart
index a686686fa..ac559a1db 100644
--- a/lib/pages/search_panel/live/widgets/item.dart
+++ b/lib/pages/search_panel/live/widgets/item.dart
@@ -4,7 +4,7 @@ import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models/search/result.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 class LiveItem extends StatelessWidget {
@@ -24,7 +24,7 @@ class LiveItem extends StatelessWidget {
       child: InkWell(
         onTap: () => PageUtils.toLiveRoom(liveItem.roomid),
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
diff --git a/lib/pages/search_panel/pgc/widgets/item.dart b/lib/pages/search_panel/pgc/widgets/item.dart
index 75a7e8f39..7cdc7600d 100644
--- a/lib/pages/search_panel/pgc/widgets/item.dart
+++ b/lib/pages/search_panel/pgc/widgets/item.dart
@@ -5,7 +5,7 @@ import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models/search/result.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 class SearchPgcItem extends StatelessWidget {
@@ -29,7 +29,7 @@ class SearchPgcItem extends StatelessWidget {
       child: InkWell(
         onTap: () => PageUtils.viewPgc(seasonId: item.seasonId),
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/search_panel/user/controller.dart b/lib/pages/search_panel/user/controller.dart
index e4026ff93..b80079bda 100644
--- a/lib/pages/search_panel/user/controller.dart
+++ b/lib/pages/search_panel/user/controller.dart
@@ -4,7 +4,7 @@ import 'package:PiliPlus/models/common/search/user_search_type.dart';
 import 'package:PiliPlus/models/search/result.dart';
 import 'package:PiliPlus/pages/search/widgets/search_text.dart';
 import 'package:PiliPlus/pages/search_panel/controller.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart' hide ContextExtensionss;
 
diff --git a/lib/pages/search_panel/video/controller.dart b/lib/pages/search_panel/video/controller.dart
index 0c0755f90..60a256938 100644
--- a/lib/pages/search_panel/video/controller.dart
+++ b/lib/pages/search_panel/video/controller.dart
@@ -7,8 +7,8 @@ import 'package:PiliPlus/models/search/result.dart';
 import 'package:PiliPlus/pages/search/widgets/search_text.dart';
 import 'package:PiliPlus/pages/search_panel/controller.dart';
 import 'package:PiliPlus/utils/app_scheme.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
diff --git a/lib/pages/search_trending/view.dart b/lib/pages/search_trending/view.dart
index 1139d2173..89c1a03c9 100644
--- a/lib/pages/search_trending/view.dart
+++ b/lib/pages/search_trending/view.dart
@@ -7,8 +7,9 @@ import 'package:PiliPlus/common/widgets/loading_widget/loading_widget.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/models_new/search/search_trending/list.dart';
 import 'package:PiliPlus/pages/search_trending/controller.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
+import 'package:PiliPlus/utils/extension/size_ext.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/foundation.dart';
diff --git a/lib/pages/setting/models/extra_settings.dart b/lib/pages/setting/models/extra_settings.dart
index 30bac8de7..65832beda 100644
--- a/lib/pages/setting/models/extra_settings.dart
+++ b/lib/pages/setting/models/extra_settings.dart
@@ -30,6 +30,7 @@ import 'package:PiliPlus/utils/cache_manager.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/path_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
@@ -45,7 +46,7 @@ import 'package:get/get.dart';
 import 'package:material_design_icons_flutter/material_design_icons_flutter.dart';
 
 List<SettingsModel> get extraSettings => [
-  if (Utils.isDesktop) ...[
+  if (PlatformUtils.isDesktop) ...[
     SwitchModel(
       title: '退出时最小化',
       leading: const Icon(Icons.exit_to_app),
diff --git a/lib/pages/setting/models/play_settings.dart b/lib/pages/setting/models/play_settings.dart
index da415a2b0..52aa6da6a 100644
--- a/lib/pages/setting/models/play_settings.dart
+++ b/lib/pages/setting/models/play_settings.dart
@@ -10,10 +10,10 @@ import 'package:PiliPlus/plugin/pl_player/models/fullscreen_mode.dart';
 import 'package:PiliPlus/plugin/pl_player/utils/fullscreen.dart'
     show allowRotateScreen;
 import 'package:PiliPlus/services/service_locator.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
-import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
@@ -27,7 +27,7 @@ List<SettingsModel> get playSettings => [
     setKey: SettingBoxKey.enableShowDanmaku,
     defaultVal: true,
   ),
-  if (Utils.isMobile)
+  if (PlatformUtils.isMobile)
     const SwitchModel(
       title: '启用点击弹幕',
       subtitle: '点击弹幕悬停，支持点赞、复制、举报操作',
@@ -64,7 +64,7 @@ List<SettingsModel> get playSettings => [
     title: '全屏显示电池电量',
     leading: const Icon(Icons.battery_3_bar),
     setKey: SettingBoxKey.showBatteryLevel,
-    defaultVal: Utils.isMobile,
+    defaultVal: PlatformUtils.isMobile,
   ),
   const SwitchModel(
     title: '双击快退/快进',
@@ -139,7 +139,7 @@ List<SettingsModel> get playSettings => [
       }
     },
   ),
-  if (Utils.isDesktop)
+  if (PlatformUtils.isDesktop)
     SwitchModel(
       title: '最小化时暂停/还原时播放',
       leading: const Icon(Icons.pause_circle_outline),
@@ -295,7 +295,7 @@ List<SettingsModel> get playSettings => [
       }
     },
   ),
-  if (Utils.isMobile)
+  if (PlatformUtils.isMobile)
     SwitchModel(
       title: '后台音频服务',
       subtitle: '避免画中画没有播放暂停功能',
diff --git a/lib/pages/setting/models/style_settings.dart b/lib/pages/setting/models/style_settings.dart
index a2758a2a9..f9de4f850 100644
--- a/lib/pages/setting/models/style_settings.dart
+++ b/lib/pages/setting/models/style_settings.dart
@@ -23,10 +23,10 @@ import 'package:PiliPlus/pages/setting/widgets/select_dialog.dart';
 import 'package:PiliPlus/pages/setting/widgets/slide_dialog.dart';
 import 'package:PiliPlus/plugin/pl_player/utils/fullscreen.dart';
 import 'package:PiliPlus/utils/global_data.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
-import 'package:PiliPlus/utils/utils.dart';
 import 'package:auto_orientation/auto_orientation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -35,7 +35,7 @@ import 'package:get/get.dart';
 import 'package:material_design_icons_flutter/material_design_icons_flutter.dart';
 
 List<SettingsModel> get styleSettings => [
-  if (Utils.isDesktop) ...[
+  if (PlatformUtils.isDesktop) ...[
     const SwitchModel(
       title: '显示窗口标题栏',
       leading: Icon(Icons.window),
diff --git a/lib/pages/setting/pages/play_speed_set.dart b/lib/pages/setting/pages/play_speed_set.dart
index 81402f890..0c3cf2b30 100644
--- a/lib/pages/setting/pages/play_speed_set.dart
+++ b/lib/pages/setting/pages/play_speed_set.dart
@@ -3,7 +3,7 @@ import 'dart:math';
 import 'package:PiliPlus/common/widgets/flutter/list_tile.dart';
 import 'package:PiliPlus/common/widgets/view_safe_area.dart';
 import 'package:PiliPlus/pages/setting/widgets/switch_item.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
diff --git a/lib/pages/setting/view.dart b/lib/pages/setting/view.dart
index d55b7746d..a39ad2b8d 100644
--- a/lib/pages/setting/view.dart
+++ b/lib/pages/setting/view.dart
@@ -14,7 +14,8 @@ import 'package:PiliPlus/pages/setting/widgets/multi_select_dialog.dart';
 import 'package:PiliPlus/pages/webdav/view.dart';
 import 'package:PiliPlus/utils/accounts.dart';
 import 'package:PiliPlus/utils/accounts/account.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/size_ext.dart';
 import 'package:flutter/material.dart' hide ListTile;
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart' hide ContextExtensionss;
diff --git a/lib/pages/share/view.dart b/lib/pages/share/view.dart
index 82661486f..01e1c6b88 100644
--- a/lib/pages/share/view.dart
+++ b/lib/pages/share/view.dart
@@ -3,7 +3,7 @@ import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/common/widgets/self_sized_horizontal_list.dart';
 import 'package:PiliPlus/models/common/image_type.dart';
 import 'package:PiliPlus/pages/contact/view.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:PiliPlus/utils/request_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart' show LengthLimitingTextInputFormatter;
diff --git a/lib/pages/subscription/widgets/item.dart b/lib/pages/subscription/widgets/item.dart
index 5985038ac..28d72ee4f 100644
--- a/lib/pages/subscription/widgets/item.dart
+++ b/lib/pages/subscription/widgets/item.dart
@@ -4,6 +4,7 @@ import 'package:PiliPlus/common/widgets/image/image_save.dart';
 import 'package:PiliPlus/common/widgets/image/network_img_layer.dart';
 import 'package:PiliPlus/models_new/sub/sub/list.dart';
 import 'package:PiliPlus/pages/subscription_detail/view.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
@@ -55,7 +56,7 @@ class SubItem extends StatelessWidget {
           }
         },
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 5),
           child: Row(
diff --git a/lib/pages/subscription_detail/widget/sub_video_card.dart b/lib/pages/subscription_detail/widget/sub_video_card.dart
index b0efa48cd..911c63515 100644
--- a/lib/pages/subscription_detail/widget/sub_video_card.dart
+++ b/lib/pages/subscription_detail/widget/sub_video_card.dart
@@ -10,7 +10,7 @@ import 'package:PiliPlus/models_new/sub/sub_detail/media.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 // 收藏视频卡片 - 水平布局
@@ -46,7 +46,7 @@ class SubVideoCardH extends StatelessWidget {
           }
         },
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/video/controller.dart b/lib/pages/video/controller.dart
index ada6bad7f..5620314b5 100644
--- a/lib/pages/video/controller.dart
+++ b/lib/pages/video/controller.dart
@@ -54,10 +54,12 @@ import 'package:PiliPlus/plugin/pl_player/models/heart_beat_type.dart';
 import 'package:PiliPlus/plugin/pl_player/models/play_status.dart';
 import 'package:PiliPlus/services/download/download_service.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/size_ext.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:PiliPlus/utils/utils.dart';
@@ -1606,7 +1608,7 @@ class VideoDetailController extends GetxController
             subtitles.first.lan.startsWith('ai') ? 0 : 1,
           SubtitlePrefType.auto =>
             !subtitles.first.lan.startsWith('ai') ||
-                    (Utils.isMobile &&
+                    (PlatformUtils.isMobile &&
                         (await FlutterVolumeController.getVolume() ?? 0.0) <=
                             0.0)
                 ? 1
@@ -1889,7 +1891,9 @@ class VideoDetailController extends GetxController
         (e) => e.cid == (seasonCid ?? cid.value),
       );
       final size = context.mediaQuerySize;
-      final maxChildSize = Utils.isMobile && !size.isPortrait ? 1.0 : 0.7;
+      final maxChildSize = PlatformUtils.isMobile && !size.isPortrait
+          ? 1.0
+          : 0.7;
       showModalBottomSheet(
         context: context,
         useSafeArea: true,
diff --git a/lib/pages/video/introduction/local/controller.dart b/lib/pages/video/introduction/local/controller.dart
index 7afff6d30..c7af976e6 100644
--- a/lib/pages/video/introduction/local/controller.dart
+++ b/lib/pages/video/introduction/local/controller.dart
@@ -4,7 +4,7 @@ import 'package:PiliPlus/pages/common/common_intro_controller.dart';
 import 'package:PiliPlus/pages/download/controller.dart';
 import 'package:PiliPlus/plugin/pl_player/models/play_repeat.dart';
 import 'package:PiliPlus/services/service_locator.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:extended_nested_scroll_view/extended_nested_scroll_view.dart';
 import 'package:flutter/foundation.dart' show kDebugMode;
 import 'package:flutter/scheduler.dart' show SchedulerBinding;
@@ -65,7 +65,7 @@ class LocalIntroController extends CommonIntroController {
     final currCid = videoDetailCtr.cid.value;
     final index = list.indexWhere((e) => e.cid == currCid);
     this.index.value = index;
-    if (Utils.isMobile) {
+    if (PlatformUtils.isMobile) {
       onVideoDetailChange(list[index]);
     }
     if (index != 0) {
@@ -141,7 +141,7 @@ class LocalIntroController extends CommonIntroController {
       ..value.title = entry.showTitle
       ..refresh();
     this.index.value = index;
-    if (Utils.isMobile) {
+    if (PlatformUtils.isMobile) {
       onVideoDetailChange(entry);
     }
   }
diff --git a/lib/pages/video/introduction/local/view.dart b/lib/pages/video/introduction/local/view.dart
index 932e07e38..c12a2fc43 100644
--- a/lib/pages/video/introduction/local/view.dart
+++ b/lib/pages/video/introduction/local/view.dart
@@ -8,7 +8,7 @@ import 'package:PiliPlus/models/common/video/video_quality.dart';
 import 'package:PiliPlus/models_new/download/bili_download_entry_info.dart';
 import 'package:PiliPlus/pages/video/introduction/local/controller.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/num_ext.dart';
 import 'package:PiliPlus/utils/path_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/video/introduction/pgc/controller.dart b/lib/pages/video/introduction/pgc/controller.dart
index a322cb2e7..6faa8ea16 100644
--- a/lib/pages/video/introduction/pgc/controller.dart
+++ b/lib/pages/video/introduction/pgc/controller.dart
@@ -24,6 +24,7 @@ import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:PiliPlus/utils/global_data.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/foundation.dart' show kDebugMode;
 import 'package:flutter/material.dart';
@@ -170,7 +171,7 @@ class PgcIntroController extends CommonIntroController {
                   PageUtils.launchURL(videoUrl);
                 },
               ),
-              if (Utils.isMobile)
+              if (PlatformUtils.isMobile)
                 ListTile(
                   dense: true,
                   title: const Text(
diff --git a/lib/pages/video/introduction/pgc/view.dart b/lib/pages/video/introduction/pgc/view.dart
index 82cd30c70..227fb0c75 100644
--- a/lib/pages/video/introduction/pgc/view.dart
+++ b/lib/pages/video/introduction/pgc/view.dart
@@ -14,7 +14,7 @@ import 'package:PiliPlus/pages/video/controller.dart';
 import 'package:PiliPlus/pages/video/introduction/pgc/controller.dart';
 import 'package:PiliPlus/pages/video/introduction/pgc/widgets/pgc_panel.dart';
 import 'package:PiliPlus/pages/video/introduction/ugc/widgets/action_item.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:flutter/material.dart';
diff --git a/lib/pages/video/introduction/pgc/widgets/intro_detail.dart b/lib/pages/video/introduction/pgc/widgets/intro_detail.dart
index cee99ed1e..14e95f8fd 100644
--- a/lib/pages/video/introduction/pgc/widgets/intro_detail.dart
+++ b/lib/pages/video/introduction/pgc/widgets/intro_detail.dart
@@ -9,7 +9,7 @@ import 'package:PiliPlus/pages/common/slide/common_slide_page.dart';
 import 'package:PiliPlus/pages/pgc_review/view.dart';
 import 'package:PiliPlus/pages/search/widgets/search_text.dart';
 import 'package:PiliPlus/pages/video/introduction/ugc/widgets/selectable_text.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart' hide TabBarView;
 import 'package:get/get.dart';
diff --git a/lib/pages/video/introduction/pgc/widgets/pgc_panel.dart b/lib/pages/video/introduction/pgc/widgets/pgc_panel.dart
index e43cfbcbc..ac1d4d69d 100644
--- a/lib/pages/video/introduction/pgc/widgets/pgc_panel.dart
+++ b/lib/pages/video/introduction/pgc/widgets/pgc_panel.dart
@@ -5,7 +5,7 @@ import 'package:PiliPlus/models_new/pgc/pgc_info_model/new_ep.dart';
 import 'package:PiliPlus/models_new/video/video_detail/episode.dart'
     hide EpisodeItem;
 import 'package:PiliPlus/pages/video/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
diff --git a/lib/pages/video/introduction/ugc/controller.dart b/lib/pages/video/introduction/ugc/controller.dart
index dfeaa1382..9b2f17f37 100644
--- a/lib/pages/video/introduction/ugc/controller.dart
+++ b/lib/pages/video/introduction/ugc/controller.dart
@@ -28,12 +28,13 @@ import 'package:PiliPlus/pages/video/reply/controller.dart';
 import 'package:PiliPlus/plugin/pl_player/models/play_repeat.dart';
 import 'package:PiliPlus/services/service_locator.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:PiliPlus/utils/global_data.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/request_utils.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:PiliPlus/utils/utils.dart';
@@ -41,7 +42,7 @@ import 'package:expandable/expandable.dart';
 import 'package:flutter/foundation.dart' show kDebugMode;
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
-import 'package:get/get.dart' hide ContextExtensionss;
+import 'package:get/get.dart';
 
 class UgcIntroController extends CommonIntroController with ReloadMixin {
   late ExpandableController expandableCtr;
@@ -332,7 +333,7 @@ class UgcIntroController extends CommonIntroController with ReloadMixin {
                   PageUtils.launchURL(videoUrl);
                 },
               ),
-              if (Utils.isMobile)
+              if (PlatformUtils.isMobile)
                 ListTile(
                   dense: true,
                   title: const Text(
diff --git a/lib/pages/video/introduction/ugc/view.dart b/lib/pages/video/introduction/ugc/view.dart
index ef2221315..fc0b686bc 100644
--- a/lib/pages/video/introduction/ugc/view.dart
+++ b/lib/pages/video/introduction/ugc/view.dart
@@ -21,11 +21,15 @@ import 'package:PiliPlus/pages/video/introduction/ugc/widgets/selectable_text.da
 import 'package:PiliPlus/utils/app_scheme.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/request_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:expandable/expandable.dart';
@@ -174,7 +178,7 @@ class _UgcIntroPanelState extends State<UgcIntroPanel> {
                   const SizedBox(height: 8),
                   if (isLoading)
                     _buildVideoTitle(theme, videoDetail)
-                  else if (isHorizontal && Utils.isDesktop)
+                  else if (isHorizontal && PlatformUtils.isDesktop)
                     SelectionArea(
                       child: _buildVideoTitle(
                         theme,
@@ -223,7 +227,7 @@ class _UgcIntroPanelState extends State<UgcIntroPanel> {
                       ),
                     ),
                   ],
-                  if (isHorizontal && Utils.isDesktop)
+                  if (isHorizontal && PlatformUtils.isDesktop)
                     ..._infos(theme, videoDetail)
                   else
                     ExpandablePanel(
diff --git a/lib/pages/video/introduction/ugc/widgets/action_item.dart b/lib/pages/video/introduction/ugc/widgets/action_item.dart
index 7f62c9634..9eb8fe250 100644
--- a/lib/pages/video/introduction/ugc/widgets/action_item.dart
+++ b/lib/pages/video/introduction/ugc/widgets/action_item.dart
@@ -1,6 +1,6 @@
 import 'dart:math' show pi;
 
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:flutter/material.dart';
 
 class ActionItem extends StatelessWidget {
diff --git a/lib/pages/video/introduction/ugc/widgets/selectable_text.dart b/lib/pages/video/introduction/ugc/widgets/selectable_text.dart
index be92da753..231d0e77e 100644
--- a/lib/pages/video/introduction/ugc/widgets/selectable_text.dart
+++ b/lib/pages/video/introduction/ugc/widgets/selectable_text.dart
@@ -1,11 +1,11 @@
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 
 Widget selectableText(
   String text, {
   TextStyle? style,
 }) {
-  if (Utils.isDesktop) {
+  if (PlatformUtils.isDesktop) {
     return SelectionArea(
       child: Text(
         style: style,
@@ -23,7 +23,7 @@ Widget selectableRichText(
   TextSpan textSpan, {
   TextStyle? style,
 }) {
-  if (Utils.isDesktop) {
+  if (PlatformUtils.isDesktop) {
     return SelectionArea(
       child: Text.rich(
         style: style,
diff --git a/lib/pages/video/introduction/ugc/widgets/triple_mixin.dart b/lib/pages/video/introduction/ugc/widgets/triple_mixin.dart
index c77d863d7..d56cf9eef 100644
--- a/lib/pages/video/introduction/ugc/widgets/triple_mixin.dart
+++ b/lib/pages/video/introduction/ugc/widgets/triple_mixin.dart
@@ -1,7 +1,7 @@
 import 'dart:async';
 import 'dart:math' show pi;
 
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
@@ -45,7 +45,7 @@ mixin TripleMixin on GetxController, TickerProvider {
     _timer = null;
   }
 
-  static final _duration = Utils.isMobile
+  static final _duration = PlatformUtils.isMobile
       ? const Duration(milliseconds: 200)
       : const Duration(milliseconds: 255);
 
diff --git a/lib/pages/video/medialist/view.dart b/lib/pages/video/medialist/view.dart
index f92cb7a5e..0484174ec 100644
--- a/lib/pages/video/medialist/view.dart
+++ b/lib/pages/video/medialist/view.dart
@@ -11,7 +11,7 @@ import 'package:PiliPlus/models_new/media_list/media_list.dart';
 import 'package:PiliPlus/models_new/video/video_detail/episode.dart';
 import 'package:PiliPlus/pages/common/slide/common_slide_page.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart' hide RefreshCallback;
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
@@ -179,7 +179,7 @@ class _MediaListPanelState extends State<MediaListPanel>
               widget.onChangeEpisode(item);
             },
             onLongPress: onLongPress,
-            onSecondaryTap: Utils.isMobile ? null : onLongPress,
+            onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
             child: Stack(
               clipBehavior: Clip.none,
               children: [
diff --git a/lib/pages/video/member/controller.dart b/lib/pages/video/member/controller.dart
index 880ad72ec..0cfb92041 100644
--- a/lib/pages/video/member/controller.dart
+++ b/lib/pages/video/member/controller.dart
@@ -6,7 +6,7 @@ import 'package:PiliPlus/models_new/space/space_archive/data.dart';
 import 'package:PiliPlus/models_new/space/space_archive/item.dart';
 import 'package:PiliPlus/pages/common/common_list_controller.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:get/get.dart';
 
 class HorizontalMemberPageController
diff --git a/lib/pages/video/member/view.dart b/lib/pages/video/member/view.dart
index 66fb53765..5205e80e8 100644
--- a/lib/pages/video/member/view.dart
+++ b/lib/pages/video/member/view.dart
@@ -17,7 +17,7 @@ import 'package:PiliPlus/pages/video/controller.dart';
 import 'package:PiliPlus/pages/video/introduction/ugc/controller.dart';
 import 'package:PiliPlus/pages/video/member/controller.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:PiliPlus/utils/request_utils.dart';
diff --git a/lib/pages/video/note/view.dart b/lib/pages/video/note/view.dart
index 39ebf367b..0e3d5469d 100644
--- a/lib/pages/video/note/view.dart
+++ b/lib/pages/video/note/view.dart
@@ -9,7 +9,7 @@ import 'package:PiliPlus/pages/common/slide/common_slide_page.dart';
 import 'package:PiliPlus/pages/video/note/controller.dart';
 import 'package:PiliPlus/pages/webview/view.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:extended_nested_scroll_view/extended_nested_scroll_view.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
diff --git a/lib/pages/video/pay_coins/view.dart b/lib/pages/video/pay_coins/view.dart
index 137c56e99..1371db3c1 100644
--- a/lib/pages/video/pay_coins/view.dart
+++ b/lib/pages/video/pay_coins/view.dart
@@ -2,7 +2,8 @@ import 'dart:async';
 import 'dart:math' as math;
 import 'dart:math' show max;
 
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/size_ext.dart';
+import 'package:PiliPlus/utils/extension/widget_ext.dart';
 import 'package:PiliPlus/utils/global_data.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
diff --git a/lib/pages/video/post_panel/view.dart b/lib/pages/video/post_panel/view.dart
index 2352432d7..fa3a41206 100644
--- a/lib/pages/video/post_panel/view.dart
+++ b/lib/pages/video/post_panel/view.dart
@@ -13,7 +13,7 @@ import 'package:PiliPlus/pages/video/controller.dart';
 import 'package:PiliPlus/pages/video/post_panel/popup_menu_text.dart';
 import 'package:PiliPlus/plugin/pl_player/controller.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:extended_nested_scroll_view/extended_nested_scroll_view.dart';
 import 'package:flutter/foundation.dart' show kDebugMode;
 import 'package:flutter/material.dart';
diff --git a/lib/pages/video/related/view.dart b/lib/pages/video/related/view.dart
index 8a5747032..41b0a39c0 100644
--- a/lib/pages/video/related/view.dart
+++ b/lib/pages/video/related/view.dart
@@ -3,7 +3,7 @@ import 'package:PiliPlus/common/widgets/video_card/video_card_h.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/models/model_hot_video_item.dart';
 import 'package:PiliPlus/pages/video/related/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/get_ext.dart';
 import 'package:PiliPlus/utils/grid.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/video/reply/widgets/reply_item_grpc.dart b/lib/pages/video/reply/widgets/reply_item_grpc.dart
index cdcb17b13..9df563cb2 100644
--- a/lib/pages/video/reply/widgets/reply_item_grpc.dart
+++ b/lib/pages/video/reply/widgets/reply_item_grpc.dart
@@ -18,13 +18,15 @@ import 'package:PiliPlus/pages/save_panel/view.dart';
 import 'package:PiliPlus/pages/video/controller.dart';
 import 'package:PiliPlus/pages/video/reply/widgets/zan_grpc.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:PiliPlus/utils/url_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
@@ -77,7 +79,7 @@ class ReplyItemGrpc extends StatelessWidget {
   Widget build(BuildContext context) {
     final ThemeData theme = Theme.of(context);
 
-    final isMobile = Utils.isMobile;
+    final isMobile = PlatformUtils.isMobile;
     void showMore() => showModalBottomSheet(
       context: context,
       useSafeArea: true,
@@ -465,7 +467,7 @@ class ReplyItemGrpc extends StatelessWidget {
                     feedBack();
                     showMore();
                   },
-                  onSecondaryTap: Utils.isMobile ? null : showMore,
+                  onSecondaryTap: PlatformUtils.isMobile ? null : showMore,
                   child: Padding(
                     padding: padding,
                     child: Text.rich(
diff --git a/lib/pages/video/reply_new/view.dart b/lib/pages/video/reply_new/view.dart
index 80a26a11a..5f7c30b64 100644
--- a/lib/pages/video/reply_new/view.dart
+++ b/lib/pages/video/reply_new/view.dart
@@ -17,8 +17,8 @@ import 'package:PiliPlus/pages/dynamics_mention/controller.dart';
 import 'package:PiliPlus/pages/emote/view.dart';
 import 'package:PiliPlus/pages/video/controller.dart';
 import 'package:PiliPlus/pages/video/reply_search_item/view.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
 import 'package:PiliPlus/utils/grid.dart';
 import 'package:PiliPlus/utils/path_utils.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
diff --git a/lib/pages/video/reply_reply/view.dart b/lib/pages/video/reply_reply/view.dart
index a30be5a57..35a826494 100644
--- a/lib/pages/video/reply_reply/view.dart
+++ b/lib/pages/video/reply_reply/view.dart
@@ -10,7 +10,7 @@ import 'package:PiliPlus/pages/common/slide/common_slide_page.dart';
 import 'package:PiliPlus/pages/video/reply/widgets/reply_item_grpc.dart';
 import 'package:PiliPlus/pages/video/reply_reply/controller.dart';
 import 'package:PiliPlus/utils/app_scheme.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/widget_ext.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:extended_nested_scroll_view/extended_nested_scroll_view.dart';
diff --git a/lib/pages/video/reply_search_item/child/widgets/item.dart b/lib/pages/video/reply_search_item/child/widgets/item.dart
index f0fe37e2b..0095bd58c 100644
--- a/lib/pages/video/reply_search_item/child/widgets/item.dart
+++ b/lib/pages/video/reply_search_item/child/widgets/item.dart
@@ -7,7 +7,7 @@ import 'package:PiliPlus/grpc/bilibili/main/community/reply/v1.pb.dart'
 import 'package:PiliPlus/models/common/badge_type.dart';
 import 'package:PiliPlus/models/common/reply/reply_search_type.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
@@ -57,7 +57,7 @@ class ReplySearchItem extends StatelessWidget {
       child: InkWell(
         onTap: () => Get.back(result: (title: title, url: item.url)),
         onLongPress: onLongPress,
-        onSecondaryTap: Utils.isMobile ? null : onLongPress,
+        onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
         child: Padding(
           padding: const EdgeInsets.symmetric(
             horizontal: StyleString.safeSpace,
diff --git a/lib/pages/video/reply_search_item/controller.dart b/lib/pages/video/reply_search_item/controller.dart
index 96e537de6..dbc49df17 100644
--- a/lib/pages/video/reply_search_item/controller.dart
+++ b/lib/pages/video/reply_search_item/controller.dart
@@ -1,6 +1,6 @@
 import 'package:PiliPlus/models/common/reply/reply_search_type.dart';
 import 'package:PiliPlus/pages/video/reply_search_item/child/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/video/view.dart b/lib/pages/video/view.dart
index b7c2e1794..46b82e1b4 100644
--- a/lib/pages/video/view.dart
+++ b/lib/pages/video/view.dart
@@ -48,13 +48,14 @@ import 'package:PiliPlus/plugin/pl_player/view.dart';
 import 'package:PiliPlus/services/service_locator.dart';
 import 'package:PiliPlus/services/shutdown_timer_service.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/num_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
-import 'package:PiliPlus/utils/utils.dart';
 import 'package:auto_orientation/auto_orientation.dart';
 import 'package:extended_nested_scroll_view/extended_nested_scroll_view.dart';
 import 'package:floating/floating.dart';
@@ -364,7 +365,7 @@ class _VideoDetailPageVState extends State<VideoDetailPageV>
     }
     PageUtils.routeObserver.unsubscribe(this);
     WidgetsBinding.instance.removeObserver(this);
-    if (Utils.isMobile) {
+    if (PlatformUtils.isMobile) {
       showStatusBar();
     }
     super.dispose();
@@ -529,7 +530,7 @@ class _VideoDetailPageVState extends State<VideoDetailPageV>
     videoDetailController.animationController
       ..removeListener(animListener)
       ..addListener(animListener);
-    if (Utils.isMobile && mounted && isShowing && !isFullScreen) {
+    if (PlatformUtils.isMobile && mounted && isShowing && !isFullScreen) {
       if (isPortrait) {
         if (!videoDetailController.imageview) {
           showStatusBar();
@@ -538,7 +539,7 @@ class _VideoDetailPageVState extends State<VideoDetailPageV>
         hideStatusBar();
       }
     }
-    if (Utils.isMobile) {
+    if (PlatformUtils.isMobile) {
       if (!isPortrait &&
           !isFullScreen &&
           plPlayerController != null &&
diff --git a/lib/pages/video/widgets/header_control.dart b/lib/pages/video/widgets/header_control.dart
index 8fb5787aa..1214124c1 100644
--- a/lib/pages/video/widgets/header_control.dart
+++ b/lib/pages/video/widgets/header_control.dart
@@ -38,9 +38,10 @@ import 'package:PiliPlus/plugin/pl_player/utils/fullscreen.dart';
 import 'package:PiliPlus/services/service_locator.dart';
 import 'package:PiliPlus/utils/accounts.dart';
 import 'package:PiliPlus/utils/accounts/account.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
@@ -2534,7 +2535,7 @@ class HeaderControlState extends State<HeaderControl>
                       plPlayerController.exitDesktopPip();
                     } else if (isFullScreen) {
                       plPlayerController.triggerFullScreen(status: false);
-                    } else if (Utils.isMobile &&
+                    } else if (PlatformUtils.isMobile &&
                         !horizontalScreen &&
                         !isPortrait) {
                       verticalScreenForTwoSeconds();
@@ -2567,7 +2568,7 @@ class HeaderControlState extends State<HeaderControl>
               title,
               // show current datetime
               ...?timeBatteryWidgets,
-              if (Utils.isDesktop && !plPlayerController.isDesktopPip)
+              if (PlatformUtils.isDesktop && !plPlayerController.isDesktopPip)
                 Obx(() {
                   final isAlwaysOnTop = plPlayerController.isAlwaysOnTop.value;
                   return SizedBox(
@@ -2680,7 +2681,7 @@ class HeaderControlState extends State<HeaderControl>
                       : const SizedBox.shrink(),
                 ),
               ],
-              if (isFullScreen || Utils.isDesktop) ...[
+              if (isFullScreen || PlatformUtils.isDesktop) ...[
                 SizedBox(
                   width: 42,
                   height: 34,
@@ -2735,7 +2736,8 @@ class HeaderControlState extends State<HeaderControl>
                   ),
                 ),
               ],
-              if (Platform.isAndroid || (Utils.isDesktop && !isFullScreen))
+              if (Platform.isAndroid ||
+                  (PlatformUtils.isDesktop && !isFullScreen))
                 SizedBox(
                   width: 42,
                   height: 34,
@@ -2745,7 +2747,7 @@ class HeaderControlState extends State<HeaderControl>
                       padding: WidgetStatePropertyAll(EdgeInsets.zero),
                     ),
                     onPressed: () async {
-                      if (Utils.isDesktop) {
+                      if (PlatformUtils.isDesktop) {
                         plPlayerController.toggleDesktopPip();
                         return;
                       }
diff --git a/lib/pages/video/widgets/player_focus.dart b/lib/pages/video/widgets/player_focus.dart
index 28f6f2b82..5f5990877 100644
--- a/lib/pages/video/widgets/player_focus.dart
+++ b/lib/pages/video/widgets/player_focus.dart
@@ -4,9 +4,9 @@ import 'dart:math' as math;
 import 'package:PiliPlus/pages/common/common_intro_controller.dart';
 import 'package:PiliPlus/pages/video/introduction/ugc/controller.dart';
 import 'package:PiliPlus/plugin/pl_player/controller.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
-import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart'
     show KeyDownEvent, KeyUpEvent, LogicalKeyboardKey, HardwareKeyboard;
@@ -184,7 +184,7 @@ class PlayerFocus extends StatelessWidget {
           return true;
 
         case LogicalKeyboardKey.keyP:
-          if (Utils.isDesktop && hasPlayer && !isFullScreen) {
+          if (PlatformUtils.isDesktop && hasPlayer && !isFullScreen) {
             plPlayerController
               ..toggleDesktopPip()
               ..controlsLock.value = false
diff --git a/lib/pages/webdav/webdav.dart b/lib/pages/webdav/webdav.dart
index e5d55ccf1..c18bb32a5 100644
--- a/lib/pages/webdav/webdav.dart
+++ b/lib/pages/webdav/webdav.dart
@@ -2,10 +2,10 @@ import 'dart:convert';
 
 import 'package:PiliPlus/common/constants.dart';
 import 'package:PiliPlus/common/widgets/pair.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
-import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart' hide ContextExtensionss;
 import 'package:webdav_client/webdav_client.dart' as webdav;
@@ -53,7 +53,7 @@ class WebDav {
   }
 
   String _getFileName() {
-    final type = Utils.isDesktop
+    final type = PlatformUtils.isDesktop
         ? 'desktop'
         : Get.context!.isTablet
         ? 'pad'
diff --git a/lib/pages/whisper/view.dart b/lib/pages/whisper/view.dart
index bb7b37b9c..16d84593b 100644
--- a/lib/pages/whisper/view.dart
+++ b/lib/pages/whisper/view.dart
@@ -5,7 +5,7 @@ import 'package:PiliPlus/grpc/bilibili/app/im/v1.pb.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/pages/whisper/controller.dart';
 import 'package:PiliPlus/pages/whisper/widgets/item.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/three_dot_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/whisper/widgets/item.dart b/lib/pages/whisper/widgets/item.dart
index 8e55fe0f6..29de0ac79 100644
--- a/lib/pages/whisper/widgets/item.dart
+++ b/lib/pages/whisper/widgets/item.dart
@@ -9,8 +9,9 @@ import 'package:PiliPlus/grpc/bilibili/app/im/v1.pb.dart'
 import 'package:PiliPlus/models/common/badge_type.dart';
 import 'package:PiliPlus/pages/whisper_secondary/view.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:fixnum/fixnum.dart';
 import 'package:flutter/material.dart' hide ListTile;
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
@@ -101,7 +102,7 @@ class WhisperSessionItem extends StatelessWidget {
             )
           : null,
       onLongPress: onLongPress,
-      onSecondaryTap: Utils.isMobile ? null : onLongPress,
+      onSecondaryTap: PlatformUtils.isMobile ? null : onLongPress,
       onTap: () {
         if (item.hasUnread()) {
           item.clearUnread();
diff --git a/lib/pages/whisper_detail/controller.dart b/lib/pages/whisper_detail/controller.dart
index 767dfe542..1a6e843da 100644
--- a/lib/pages/whisper_detail/controller.dart
+++ b/lib/pages/whisper_detail/controller.dart
@@ -9,7 +9,7 @@ import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/http/msg.dart';
 import 'package:PiliPlus/pages/common/common_list_controller.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/scroll_controller_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:fixnum/fixnum.dart';
 import 'package:flutter/material.dart';
diff --git a/lib/pages/whisper_detail/view.dart b/lib/pages/whisper_detail/view.dart
index f5b5bad80..c6fa670a7 100644
--- a/lib/pages/whisper_detail/view.dart
+++ b/lib/pages/whisper_detail/view.dart
@@ -14,8 +14,11 @@ import 'package:PiliPlus/pages/emote/view.dart';
 import 'package:PiliPlus/pages/whisper_detail/controller.dart';
 import 'package:PiliPlus/pages/whisper_detail/widget/chat_item.dart';
 import 'package:PiliPlus/pages/whisper_link_setting/view.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/file_ext.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/extension/widget_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart' hide TextField;
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
@@ -333,7 +336,7 @@ class _WhisperDetailPageState
                                 onClearText: editController.clear,
                               )
                               .whenComplete(() {
-                                if (Utils.isMobile) {
+                                if (PlatformUtils.isMobile) {
                                   File(path).tryDel();
                                 }
                               });
diff --git a/lib/pages/whisper_detail/widget/chat_item.dart b/lib/pages/whisper_detail/widget/chat_item.dart
index 26e217ba3..62c89214e 100644
--- a/lib/pages/whisper_detail/widget/chat_item.dart
+++ b/lib/pages/whisper_detail/widget/chat_item.dart
@@ -13,11 +13,11 @@ import 'package:PiliPlus/models/common/image_type.dart';
 import 'package:PiliPlus/utils/app_scheme.dart';
 import 'package:PiliPlus/utils/date_utils.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/widget_ext.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
@@ -89,7 +89,9 @@ class ChatItem extends StatelessWidget {
                         Feedback.forLongPress(context);
                         onLongPress!();
                       },
-                      onSecondaryTap: Utils.isMobile ? null : onLongPress,
+                      onSecondaryTap: PlatformUtils.isMobile
+                          ? null
+                          : onLongPress,
                       child: Row(
                         mainAxisAlignment: isOwner
                             ? MainAxisAlignment.end
diff --git a/lib/pages/whisper_link_setting/view.dart b/lib/pages/whisper_link_setting/view.dart
index efb7e3f8d..081a8a360 100644
--- a/lib/pages/whisper_link_setting/view.dart
+++ b/lib/pages/whisper_link_setting/view.dart
@@ -4,7 +4,7 @@ import 'package:PiliPlus/models_new/msg/im_user_infos/datum.dart';
 import 'package:PiliPlus/models_new/msg/msg_dnd/uid_setting.dart';
 import 'package:PiliPlus/models_new/msg/session_ss/data.dart';
 import 'package:PiliPlus/pages/whisper_link_setting/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
diff --git a/lib/pages/whisper_secondary/view.dart b/lib/pages/whisper_secondary/view.dart
index 7c3e11700..2dc5f4b82 100644
--- a/lib/pages/whisper_secondary/view.dart
+++ b/lib/pages/whisper_secondary/view.dart
@@ -5,7 +5,8 @@ import 'package:PiliPlus/grpc/bilibili/app/im/v1.pb.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/pages/whisper/widgets/item.dart';
 import 'package:PiliPlus/pages/whisper_secondary/controller.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/three_dot_ext.dart';
+import 'package:PiliPlus/utils/extension/widget_ext.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
diff --git a/lib/plugin/pl_player/controller.dart b/lib/plugin/pl_player/controller.dart
index 251e69d22..ceb021e44 100644
--- a/lib/plugin/pl_player/controller.dart
+++ b/lib/plugin/pl_player/controller.dart
@@ -32,11 +32,12 @@ import 'package:PiliPlus/plugin/pl_player/models/video_fit_type.dart';
 import 'package:PiliPlus/plugin/pl_player/utils/fullscreen.dart';
 import 'package:PiliPlus/services/service_locator.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart' show PageUtils;
 import 'package:PiliPlus/utils/path_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
@@ -105,7 +106,7 @@ class PlPlayerController {
 
   /// 音量控制条
   final RxDouble volume = RxDouble(
-    Utils.isDesktop ? Pref.desktopVolume : 1.0,
+    PlatformUtils.isDesktop ? Pref.desktopVolume : 1.0,
   );
   final setSystemBrightness = Pref.setSystemBrightness;
 
@@ -223,7 +224,7 @@ class PlPlayerController {
   late final bool autoPiP = Pref.autoPiP;
   bool get isPipMode =>
       (Platform.isAndroid && Floating().isPipMode) ||
-      (Utils.isDesktop && isDesktopPip);
+      (PlatformUtils.isDesktop && isDesktopPip);
   late bool isDesktopPip = false;
   late Rect _lastWindowBounds;
 
@@ -320,7 +321,7 @@ class PlPlayerController {
   }
 
   /// 弹幕权重
-  late final enableTapDm = Utils.isMobile && Pref.enableTapDm;
+  late final enableTapDm = PlatformUtils.isMobile && Pref.enableTapDm;
   late int danmakuWeight = Pref.danmakuWeight;
   late RuleFilter filters = Pref.danmakuFilterRule;
   // 关联弹幕控制器
@@ -402,7 +403,7 @@ class PlPlayerController {
 
   late final bool tempPlayerConf = Pref.tempPlayerConf;
 
-  late int? cacheVideoQa = Utils.isMobile ? null : Pref.defaultVideoQa;
+  late int? cacheVideoQa = PlatformUtils.isMobile ? null : Pref.defaultVideoQa;
   late int cacheAudioQa = Pref.defaultAudioQa;
   bool enableHeart = true;
 
@@ -797,7 +798,7 @@ class PlPlayerController {
         );
     final pp = player.platform!;
     if (_videoPlayerController == null) {
-      if (Utils.isDesktop) {
+      if (PlatformUtils.isDesktop) {
         pp.setVolume(this.volume.value * 100);
       }
       if (isAnim) {
@@ -1339,7 +1340,7 @@ class PlPlayerController {
     if (this.volume.value != volume) {
       this.volume.value = volume;
       try {
-        if (Utils.isDesktop) {
+        if (PlatformUtils.isDesktop) {
           _videoPlayerController!.setVolume(volume * 100);
         } else {
           FlutterVolumeController.updateShowSystemUI(false);
@@ -1355,7 +1356,7 @@ class PlPlayerController {
     volumeTimer = Timer(const Duration(milliseconds: 200), () {
       volumeIndicator.value = false;
       volumeInterceptEventStream.value = false;
-      if (Utils.isDesktop) {
+      if (PlatformUtils.isDesktop) {
         setting.put(SettingBoxKey.desktopVolume, volume.toPrecision(3));
       }
     });
@@ -1548,7 +1549,7 @@ class PlPlayerController {
       this.isManualFS = isManualFS;
 
       if (status) {
-        if (Utils.isMobile) {
+        if (PlatformUtils.isMobile) {
           hideStatusBar();
           if (mode == FullScreenMode.none) {
             return;
@@ -1570,7 +1571,7 @@ class PlPlayerController {
           await enterDesktopFullscreen(inAppFullScreen: inAppFullScreen);
         }
       } else {
-        if (Utils.isMobile) {
+        if (PlatformUtils.isMobile) {
           showStatusBar();
           if (mode == FullScreenMode.none) {
             return;
@@ -1737,7 +1738,7 @@ class PlPlayerController {
     // playerStatus.close();
     // dataStatus.status.close();
 
-    if (Utils.isDesktop && isAlwaysOnTop.value) {
+    if (PlatformUtils.isDesktop && isAlwaysOnTop.value) {
       windowManager.setAlwaysOnTop(false);
     }
 
diff --git a/lib/plugin/pl_player/utils/fullscreen.dart b/lib/plugin/pl_player/utils/fullscreen.dart
index d1e6b995f..ccaea960f 100644
--- a/lib/plugin/pl_player/utils/fullscreen.dart
+++ b/lib/plugin/pl_player/utils/fullscreen.dart
@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'dart:io';
 
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:auto_orientation/auto_orientation.dart';
@@ -49,7 +50,7 @@ Future<void> verticalScreenForTwoSeconds() async {
 //全向
 bool allowRotateScreen = Pref.allowRotateScreen;
 Future<void> autoScreen() async {
-  if (Utils.isMobile && allowRotateScreen) {
+  if (PlatformUtils.isMobile && allowRotateScreen) {
     await SystemChrome.setPreferredOrientations([
       DeviceOrientation.portraitUp,
       // DeviceOrientation.portraitDown,
diff --git a/lib/plugin/pl_player/view.dart b/lib/plugin/pl_player/view.dart
index 666bc6173..d0968db02 100644
--- a/lib/plugin/pl_player/view.dart
+++ b/lib/plugin/pl_player/view.dart
@@ -49,10 +49,11 @@ import 'package:PiliPlus/plugin/pl_player/widgets/forward_seek.dart';
 import 'package:PiliPlus/plugin/pl_player/widgets/mpv_convert_webp.dart';
 import 'package:PiliPlus/plugin/pl_player/widgets/play_pause_btn.dart';
 import 'package:PiliPlus/utils/duration_utils.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/image_utils.dart';
 import 'package:PiliPlus/utils/path_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
 import 'package:PiliPlus/utils/utils.dart';
@@ -185,7 +186,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
     );
     videoController = plPlayerController.videoController!;
 
-    if (Utils.isMobile) {
+    if (PlatformUtils.isMobile) {
       Future.microtask(() async {
         try {
           FlutterVolumeController.updateShowSystemUI(true);
@@ -312,7 +313,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
     _listener?.cancel();
     _controlsListener?.cancel();
     animationController.dispose();
-    if (Utils.isMobile) {
+    if (PlatformUtils.isMobile) {
       FlutterVolumeController.removeListener();
     }
     transformationController.dispose();
@@ -505,7 +506,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
                   videoDetailController.showVP.value =
                       !videoDetailController.showVP.value;
                 },
-                onSecondaryTap: Utils.isMobile
+                onSecondaryTap: PlatformUtils.isMobile
                     ? null
                     : () => videoDetailController.showVP.value =
                           !videoDetailController.showVP.value,
@@ -981,7 +982,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
         final double tapPosition = details.localFocalPoint.dx;
         final double sectionWidth = maxWidth / 3;
         if (tapPosition < sectionWidth) {
-          if (Utils.isDesktop ||
+          if (PlatformUtils.isDesktop ||
               !plPlayerController.enableSlideVolumeBrightness) {
             return;
           }
@@ -1182,7 +1183,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
 
   void _onTapUp(TapUpDetails details) {
     switch (details.kind) {
-      case ui.PointerDeviceKind.mouse when Utils.isDesktop:
+      case ui.PointerDeviceKind.mouse when PlatformUtils.isDesktop:
         onTapDesktop();
         break;
       default:
@@ -1218,7 +1219,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
 
   void _onDoubleTapDown(TapDownDetails details) {
     switch (details.kind) {
-      case ui.PointerDeviceKind.mouse when Utils.isDesktop:
+      case ui.PointerDeviceKind.mouse when PlatformUtils.isDesktop:
         onDoubleTapDesktop();
         break;
       default:
@@ -1244,7 +1245,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
   StreamSubscription<bool>? _danmakuListener;
 
   void _onPointerDown(PointerDownEvent event) {
-    if (Utils.isDesktop) {
+    if (PlatformUtils.isDesktop) {
       final buttons = event.buttons;
       final isSecondaryBtn = buttons == kSecondaryMouseButton;
       if (isSecondaryBtn || buttons == kMiddleMouseButton) {
@@ -1827,7 +1828,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
                           ),
                         ),
                       ),
-                      if (Utils.isMobile)
+                      if (PlatformUtils.isMobile)
                         buildViewPointWidget(
                           videoDetailController,
                           plPlayerController,
@@ -2049,7 +2050,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
           }),
       ],
     );
-    if (Utils.isDesktop) {
+    if (PlatformUtils.isDesktop) {
       return Obx(
         () => MouseRegion(
           cursor: !plPlayerController.showControls.value && isFullScreen
@@ -2554,7 +2555,7 @@ Widget buildSeekPreviewWidget(
 
         final double scale =
             plPlayerController.isFullScreen.value &&
-                (Utils.isDesktop || !plPlayerController.isVertical)
+                (PlatformUtils.isDesktop || !plPlayerController.isVertical)
             ? 4
             : 3;
         double height = 27 * scale;
diff --git a/lib/plugin/pl_player/widgets/bottom_control.dart b/lib/plugin/pl_player/widgets/bottom_control.dart
index c3b9a15b5..ad88157c4 100644
--- a/lib/plugin/pl_player/widgets/bottom_control.dart
+++ b/lib/plugin/pl_player/widgets/bottom_control.dart
@@ -3,9 +3,9 @@ import 'package:PiliPlus/common/widgets/progress_bar/segment_progress_bar.dart';
 import 'package:PiliPlus/pages/video/controller.dart';
 import 'package:PiliPlus/plugin/pl_player/controller.dart';
 import 'package:PiliPlus/plugin/pl_player/view.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
-import 'package:PiliPlus/utils/utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 
@@ -79,7 +79,7 @@ class BottomControl extends StatelessWidget {
           onSeek: (e) => onSeek(e, max),
         );
       });
-      if (Utils.isDesktop) {
+      if (PlatformUtils.isDesktop) {
         return MouseRegion(
           cursor: SystemMouseCursors.click,
           child: child,
@@ -140,7 +140,7 @@ class BottomControl extends StatelessWidget {
                         ),
                       ),
                     ),
-                    if (!Utils.isMobile)
+                    if (!PlatformUtils.isMobile)
                       buildViewPointWidget(
                         videoDetailController,
                         controller,
diff --git a/lib/services/download/download_manager.dart b/lib/services/download/download_manager.dart
index 96f2526d2..3ec8cbc04 100644
--- a/lib/services/download/download_manager.dart
+++ b/lib/services/download/download_manager.dart
@@ -3,7 +3,8 @@ import 'dart:io';
 
 import 'package:PiliPlus/http/init.dart';
 import 'package:PiliPlus/models_new/download/bili_download_entry_info.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/file_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:dio/dio.dart';
 
 class DownloadManager {
diff --git a/lib/services/download/download_service.dart b/lib/services/download/download_service.dart
index 9ffbaa3c4..60a8a5cf4 100644
--- a/lib/services/download/download_service.dart
+++ b/lib/services/download/download_service.dart
@@ -15,7 +15,8 @@ import 'package:PiliPlus/models_new/video/video_detail/episode.dart' as ugc;
 import 'package:PiliPlus/models_new/video/video_detail/page.dart';
 import 'package:PiliPlus/pages/danmaku/controller.dart';
 import 'package:PiliPlus/services/download/download_manager.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/file_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/path_utils.dart';
 import 'package:flutter/foundation.dart';
diff --git a/lib/services/logger.dart b/lib/services/logger.dart
index 60bcd48ab..e08794864 100644
--- a/lib/services/logger.dart
+++ b/lib/services/logger.dart
@@ -1,6 +1,6 @@
 import 'dart:io';
 
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/file_ext.dart';
 import 'package:PiliPlus/utils/json_file_handler.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:catcher_2/catcher_2.dart';
diff --git a/lib/utils/accounts/account_manager/account_mgr.dart b/lib/utils/accounts/account_manager/account_mgr.dart
index a39751cf6..aac2bf39d 100644
--- a/lib/utils/accounts/account_manager/account_mgr.dart
+++ b/lib/utils/accounts/account_manager/account_mgr.dart
@@ -8,9 +8,9 @@ import 'package:PiliPlus/models/common/account_type.dart';
 import 'package:PiliPlus/utils/accounts.dart';
 import 'package:PiliPlus/utils/accounts/account.dart';
 import 'package:PiliPlus/utils/app_sign.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
-import 'package:PiliPlus/utils/utils.dart';
 import 'package:connectivity_plus/connectivity_plus.dart';
 import 'package:dio/dio.dart';
 import 'package:flutter/foundation.dart' show kDebugMode;
@@ -363,7 +363,7 @@ class AccountManager extends Interceptor {
       case DioExceptionType.unknown:
         String desc;
         try {
-          desc = Utils.isMobile
+          desc = PlatformUtils.isMobile
               ? (await Connectivity().checkConnectivity()).first.desc
               : '';
         } catch (_) {
diff --git a/lib/utils/accounts/account_type_adapter.dart b/lib/utils/accounts/account_type_adapter.dart
index cb6de1a96..328af3479 100644
--- a/lib/utils/accounts/account_type_adapter.dart
+++ b/lib/utils/accounts/account_type_adapter.dart
@@ -1,5 +1,5 @@
 import 'package:PiliPlus/models/common/account_type.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:hive/hive.dart';
 
 class AccountTypeAdapter extends TypeAdapter<AccountType> {
diff --git a/lib/utils/app_scheme.dart b/lib/utils/app_scheme.dart
index 9ed4800e0..39a16af40 100644
--- a/lib/utils/app_scheme.dart
+++ b/lib/utils/app_scheme.dart
@@ -14,7 +14,7 @@ import 'package:PiliPlus/pages/live/view.dart';
 import 'package:PiliPlus/pages/rank/view.dart';
 import 'package:PiliPlus/pages/subscription_detail/view.dart';
 import 'package:PiliPlus/pages/video/reply_reply/view.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:PiliPlus/utils/request_utils.dart';
diff --git a/lib/utils/cache_manager.dart b/lib/utils/cache_manager.dart
index ab0a2d137..d4555eaf1 100644
--- a/lib/utils/cache_manager.dart
+++ b/lib/utils/cache_manager.dart
@@ -1,9 +1,9 @@
 import 'dart:async';
 import 'dart:io';
 
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
-import 'package:PiliPlus/utils/utils.dart';
 import 'package:path_provider/path_provider.dart';
 
 abstract class CacheManager {
@@ -14,7 +14,7 @@ abstract class CacheManager {
   ]) async {
     try {
       final Directory tempDirectory = await getTemporaryDirectory();
-      if (Utils.isDesktop) {
+      if (PlatformUtils.isDesktop) {
         final dir = Directory('${tempDirectory.path}/libCachedImageData');
         if (dir.existsSync()) {
           return await getTotalSizeOfFilesInDir(dir, maxSize);
@@ -62,7 +62,7 @@ abstract class CacheManager {
   static Future<void> clearLibraryCache() async {
     try {
       final Directory tempDirectory = await getTemporaryDirectory();
-      if (Utils.isDesktop) {
+      if (PlatformUtils.isDesktop) {
         final dir = Directory('${tempDirectory.path}/libCachedImageData');
         if (dir.existsSync()) {
           await dir.delete(recursive: true);
diff --git a/lib/utils/extension.dart b/lib/utils/extension.dart
deleted file mode 100644
index 2dbe88ffd..000000000
--- a/lib/utils/extension.dart
+++ /dev/null
@@ -1,291 +0,0 @@
-import 'dart:io';
-
-import 'package:PiliPlus/common/widgets/dialog/dialog.dart';
-import 'package:PiliPlus/grpc/bilibili/app/im/v1.pb.dart' show ThreeDotItem;
-import 'package:PiliPlus/grpc/bilibili/app/im/v1.pbenum.dart'
-    show IMSettingType, ThreeDotItemType;
-import 'package:PiliPlus/pages/common/common_whisper_controller.dart';
-import 'package:PiliPlus/pages/contact/view.dart';
-import 'package:PiliPlus/pages/whisper_settings/view.dart';
-import 'package:floating/floating.dart';
-import 'package:flutter/material.dart';
-import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
-import 'package:get/get.dart' hide ContextExtensionss;
-import 'package:material_design_icons_flutter/material_design_icons_flutter.dart';
-
-extension ImageExtension on num {
-  int? cacheSize(BuildContext context) {
-    if (this == 0) {
-      return null;
-    }
-    return (this * MediaQuery.devicePixelRatioOf(context)).round();
-  }
-}
-
-extension IntExt on int? {
-  int? operator +(int other) => this == null ? null : this! + other;
-  int? operator -(int other) => this == null ? null : this! - other;
-}
-
-extension ScrollControllerExt on ScrollController {
-  void animToTop() => animTo(0);
-
-  void animTo(
-    double offset, {
-    Duration duration = const Duration(milliseconds: 500),
-  }) {
-    if (!hasClients) return;
-    if ((offset - this.offset).abs() >= position.viewportDimension * 7) {
-      jumpTo(offset);
-    } else {
-      animateTo(
-        offset,
-        duration: duration,
-        curve: Curves.easeInOut,
-      );
-    }
-  }
-
-  void jumpToTop() {
-    if (!hasClients) return;
-    jumpTo(0);
-  }
-}
-
-extension IterableExt<T> on Iterable<T>? {
-  bool get isNullOrEmpty => this == null || this!.isEmpty;
-}
-
-extension NonNullIterableExt<T> on Iterable<T> {
-  T? reduceOrNull(T Function(T value, T element) combine) {
-    Iterator<T> iterator = this.iterator;
-    if (!iterator.moveNext()) {
-      return null;
-    }
-    T value = iterator.current;
-    while (iterator.moveNext()) {
-      value = combine(value, iterator.current);
-    }
-    return value;
-  }
-}
-
-extension MapExt<K, V> on Map<K, V> {
-  Map<RK, RV> fromCast<RK, RV>() {
-    return Map<RK, RV>.from(this);
-  }
-}
-
-extension ListExt<T> on List<T> {
-  T? getOrNull(int index) {
-    if (index < 0 || index >= length) {
-      return null;
-    }
-    return this[index];
-  }
-
-  bool removeFirstWhere(bool Function(T) test) {
-    final index = indexWhere(test);
-    if (index != -1) {
-      removeAt(index);
-      return true;
-    }
-    return false;
-  }
-
-  List<R> fromCast<R>() {
-    return List<R>.from(this);
-  }
-
-  T findClosestTarget(
-    bool Function(T) test,
-    T Function(T, T) combine,
-  ) {
-    return where(test).reduceOrNull(combine) ?? reduce(combine);
-  }
-}
-
-final _regExp = RegExp("^(http:)?//", caseSensitive: false);
-
-extension StringExt on String? {
-  String get http2https => this?.replaceFirst(_regExp, "https://") ?? '';
-
-  bool get isNullOrEmpty => this == null || this!.isEmpty;
-}
-
-extension ColorSchemeExt on ColorScheme {
-  Color get vipColor =>
-      brightness.isLight ? const Color(0xFFFF6699) : const Color(0xFFD44E7D);
-
-  Color get freeColor =>
-      brightness.isLight ? const Color(0xFFFF7F24) : const Color(0xFFD66011);
-
-  bool get isLight => brightness.isLight;
-
-  bool get isDark => brightness.isDark;
-}
-
-extension Unique<E, Id> on List<E> {
-  List<E> unique([Id Function(E element)? id, bool inplace = true]) {
-    final ids = <Id>{};
-    return (inplace ? this : List<E>.from(this))
-      ..retainWhere((x) => ids.add(id != null ? id(x) : x as Id));
-  }
-}
-
-extension ColorExtension on Color {
-  Color darken([double amount = .5]) {
-    assert(amount >= 0 && amount <= 1, 'Amount must be between 0 and 1');
-    return Color.lerp(this, Colors.black, amount)!;
-  }
-}
-
-extension BrightnessExt on Brightness {
-  Brightness get reverse => isLight ? Brightness.dark : Brightness.light;
-
-  bool get isLight => this == Brightness.light;
-
-  bool get isDark => this == Brightness.dark;
-}
-
-extension RationalExt on Rational {
-  /// Checks whether given [Rational] instance fits into Android requirements
-  /// or not.
-  ///
-  /// Android docs specified boundaries as inclusive.
-  bool get fitsInAndroidRequirements {
-    final aspectRatio = numerator / denominator;
-    const min = 1 / 2.39;
-    const max = 2.39;
-    return (min <= aspectRatio) && (aspectRatio <= max);
-  }
-}
-
-extension ThreeDotItemTypeExt on ThreeDotItemType {
-  Icon get icon => switch (this) {
-    ThreeDotItemType.THREE_DOT_ITEM_TYPE_MSG_SETTING => const Icon(
-      Icons.settings,
-      size: 20,
-    ),
-    ThreeDotItemType.THREE_DOT_ITEM_TYPE_READ_ALL => const Icon(
-      Icons.cleaning_services,
-      size: 20,
-    ),
-    ThreeDotItemType.THREE_DOT_ITEM_TYPE_CLEAR_LIST => const Icon(
-      Icons.delete_forever_outlined,
-      size: 20,
-    ),
-    ThreeDotItemType.THREE_DOT_ITEM_TYPE_UP_HELPER => const Icon(
-      Icons.live_tv,
-      size: 20,
-    ),
-    ThreeDotItemType.THREE_DOT_ITEM_TYPE_CONTACTS => const Icon(
-      Icons.account_box_outlined,
-      size: 20,
-    ),
-    ThreeDotItemType.THREE_DOT_ITEM_TYPE_FANS_GROUP_HELPER => const Icon(
-      Icons.notifications_none,
-      size: 20,
-    ),
-    _ => const Icon(MdiIcons.circleMedium, size: 20),
-  };
-
-  void action({
-    required BuildContext context,
-    required CommonWhisperController controller,
-    required ThreeDotItem item,
-  }) {
-    switch (this) {
-      case ThreeDotItemType.THREE_DOT_ITEM_TYPE_READ_ALL:
-        showConfirmDialog(
-          context: context,
-          title: '一键已读',
-          content: '是否清除全部新消息提醒？',
-          onConfirm: controller.onClearUnread,
-        );
-      case ThreeDotItemType.THREE_DOT_ITEM_TYPE_CLEAR_LIST:
-        showConfirmDialog(
-          context: context,
-          title: '清空列表',
-          content: '清空后所有消息将被删除，无法恢复',
-          onConfirm: controller.onDeleteList,
-        );
-      case ThreeDotItemType.THREE_DOT_ITEM_TYPE_MSG_SETTING:
-        Get.to(
-          const WhisperSettingsPage(
-            imSettingType: IMSettingType.SETTING_TYPE_NEED_ALL,
-          ),
-        );
-      case ThreeDotItemType.THREE_DOT_ITEM_TYPE_UP_HELPER:
-        dynamic talkerId = RegExp(r'/(\d{3,})').firstMatch(item.url)?.group(1);
-        if (talkerId != null) {
-          talkerId = int.parse(talkerId);
-          Get.toNamed(
-            '/whisperDetail',
-            arguments: {
-              'talkerId': talkerId,
-              'name': item.title,
-              'face': switch (talkerId) {
-                844424930131966 =>
-                  'https://message.biliimg.com/bfs/im/489a63efadfb202366c2f88853d2217b5ddc7a13.png',
-                844424930131964 =>
-                  'https://i0.hdslb.com/bfs/im_new/58eda511672db078466e7ab8db22a95c1503684976.png',
-                _ => item.icon,
-              },
-            },
-          );
-        }
-      case ThreeDotItemType.THREE_DOT_ITEM_TYPE_CONTACTS:
-        Get.to(const ContactPage(isFromSelect: false));
-      default:
-        SmartDialog.showToast('TODO: $name');
-    }
-  }
-}
-
-extension FileExt on File {
-  Future<void> tryDel({bool recursive = false}) async {
-    try {
-      await delete(recursive: recursive);
-    } catch (_) {}
-  }
-}
-
-extension DirectoryExt on Directory {
-  Future<void> tryDel({bool recursive = false}) async {
-    try {
-      await delete(recursive: recursive);
-    } catch (_) {}
-  }
-
-  Future<bool> lengthGte(int length) async {
-    int count = 0;
-    await for (var _ in list()) {
-      if (++count == length) return true;
-    }
-    return false;
-  }
-}
-
-extension SizeExt on Size {
-  bool get isPortrait => width < 600 || height >= width;
-}
-
-extension GetExt on GetInterface {
-  S putOrFind<S>(InstanceBuilderCallback<S> dep, {String? tag}) =>
-      GetInstance().putOrFind(dep, tag: tag);
-}
-
-extension WidgetExt on Widget {
-  Widget constraintWidth({
-    BoxConstraints constraints = const BoxConstraints(maxWidth: 625),
-  }) {
-    return Align(
-      alignment: Alignment.topCenter,
-      child: ConstrainedBox(
-        constraints: constraints,
-        child: this,
-      ),
-    );
-  }
-}
diff --git a/lib/utils/context_ext.dart b/lib/utils/extension/context_ext.dart
similarity index 100%
rename from lib/utils/context_ext.dart
rename to lib/utils/extension/context_ext.dart
diff --git a/lib/utils/extension/extension.dart b/lib/utils/extension/extension.dart
new file mode 100644
index 000000000..086c4d898
--- /dev/null
+++ b/lib/utils/extension/extension.dart
@@ -0,0 +1,14 @@
+import 'package:floating/floating.dart';
+
+extension RationalExt on Rational {
+  /// Checks whether given [Rational] instance fits into Android requirements
+  /// or not.
+  ///
+  /// Android docs specified boundaries as inclusive.
+  bool get fitsInAndroidRequirements {
+    final aspectRatio = numerator / denominator;
+    const min = 1 / 2.39;
+    const max = 2.39;
+    return (min <= aspectRatio) && (aspectRatio <= max);
+  }
+}
diff --git a/lib/utils/extension/file_ext.dart b/lib/utils/extension/file_ext.dart
new file mode 100644
index 000000000..fdae77b8c
--- /dev/null
+++ b/lib/utils/extension/file_ext.dart
@@ -0,0 +1,25 @@
+import 'dart:io';
+
+extension FileExt on File {
+  Future<void> tryDel({bool recursive = false}) async {
+    try {
+      await delete(recursive: recursive);
+    } catch (_) {}
+  }
+}
+
+extension DirectoryExt on Directory {
+  Future<void> tryDel({bool recursive = false}) async {
+    try {
+      await delete(recursive: recursive);
+    } catch (_) {}
+  }
+
+  Future<bool> lengthGte(int length) async {
+    int count = 0;
+    await for (var _ in list()) {
+      if (++count == length) return true;
+    }
+    return false;
+  }
+}
diff --git a/lib/utils/extension/get_ext.dart b/lib/utils/extension/get_ext.dart
new file mode 100644
index 000000000..b2a94aeb6
--- /dev/null
+++ b/lib/utils/extension/get_ext.dart
@@ -0,0 +1,6 @@
+import 'package:get/get.dart';
+
+extension GetExt on GetInterface {
+  S putOrFind<S>(InstanceBuilderCallback<S> dep, {String? tag}) =>
+      GetInstance().putOrFind(dep, tag: tag);
+}
diff --git a/lib/utils/extension/iterable_ext.dart b/lib/utils/extension/iterable_ext.dart
new file mode 100644
index 000000000..a4d6bc3c9
--- /dev/null
+++ b/lib/utils/extension/iterable_ext.dart
@@ -0,0 +1,46 @@
+extension NullableIterableExt<T> on Iterable<T>? {
+  bool get isNullOrEmpty => this == null || this!.isEmpty;
+}
+
+extension IterableExt<T> on Iterable<T> {
+  T? reduceOrNull(T Function(T value, T element) combine) {
+    Iterator<T> iterator = this.iterator;
+    if (!iterator.moveNext()) {
+      return null;
+    }
+    T value = iterator.current;
+    while (iterator.moveNext()) {
+      value = combine(value, iterator.current);
+    }
+    return value;
+  }
+}
+
+extension ListExt<T> on List<T> {
+  T? getOrNull(int index) {
+    if (index < 0 || index >= length) {
+      return null;
+    }
+    return this[index];
+  }
+
+  bool removeFirstWhere(bool Function(T) test) {
+    final index = indexWhere(test);
+    if (index != -1) {
+      removeAt(index);
+      return true;
+    }
+    return false;
+  }
+
+  List<R> fromCast<R>() {
+    return List<R>.from(this);
+  }
+
+  T findClosestTarget(
+    bool Function(T) test,
+    T Function(T, T) combine,
+  ) {
+    return where(test).reduceOrNull(combine) ?? reduce(combine);
+  }
+}
diff --git a/lib/utils/extension/map_ext.dart b/lib/utils/extension/map_ext.dart
new file mode 100644
index 000000000..cbd8f05ad
--- /dev/null
+++ b/lib/utils/extension/map_ext.dart
@@ -0,0 +1,5 @@
+extension MapExt<K, V> on Map<K, V> {
+  Map<RK, RV> fromCast<RK, RV>() {
+    return Map<RK, RV>.from(this);
+  }
+}
diff --git a/lib/utils/extension/num_ext.dart b/lib/utils/extension/num_ext.dart
new file mode 100644
index 000000000..c2a9961fb
--- /dev/null
+++ b/lib/utils/extension/num_ext.dart
@@ -0,0 +1,15 @@
+import 'package:flutter/widgets.dart';
+
+extension ImageExtension on num {
+  int? cacheSize(BuildContext context) {
+    if (this == 0) {
+      return null;
+    }
+    return (this * MediaQuery.devicePixelRatioOf(context)).round();
+  }
+}
+
+extension IntExt on int? {
+  int? operator +(int other) => this == null ? null : this! + other;
+  int? operator -(int other) => this == null ? null : this! - other;
+}
diff --git a/lib/utils/extension/scroll_controller_ext.dart b/lib/utils/extension/scroll_controller_ext.dart
new file mode 100644
index 000000000..5e2a7d2ac
--- /dev/null
+++ b/lib/utils/extension/scroll_controller_ext.dart
@@ -0,0 +1,26 @@
+import 'package:flutter/widgets.dart';
+
+extension ScrollControllerExt on ScrollController {
+  void animToTop() => animTo(0);
+
+  void animTo(
+    double offset, {
+    Duration duration = const Duration(milliseconds: 500),
+  }) {
+    if (!hasClients) return;
+    if ((offset - this.offset).abs() >= position.viewportDimension * 7) {
+      jumpTo(offset);
+    } else {
+      animateTo(
+        offset,
+        duration: duration,
+        curve: Curves.easeInOut,
+      );
+    }
+  }
+
+  void jumpToTop() {
+    if (!hasClients) return;
+    jumpTo(0);
+  }
+}
diff --git a/lib/utils/extension/size_ext.dart b/lib/utils/extension/size_ext.dart
new file mode 100644
index 000000000..31ac92f6a
--- /dev/null
+++ b/lib/utils/extension/size_ext.dart
@@ -0,0 +1,5 @@
+import 'dart:ui' show Size;
+
+extension SizeExt on Size {
+  bool get isPortrait => width < 600 || height >= width;
+}
diff --git a/lib/utils/extension/string_ext.dart b/lib/utils/extension/string_ext.dart
new file mode 100644
index 000000000..dc039ffd8
--- /dev/null
+++ b/lib/utils/extension/string_ext.dart
@@ -0,0 +1,7 @@
+final _regExp = RegExp("^(http:)?//", caseSensitive: false);
+
+extension StringExt on String? {
+  String get http2https => this?.replaceFirst(_regExp, "https://") ?? '';
+
+  bool get isNullOrEmpty => this == null || this!.isEmpty;
+}
diff --git a/lib/utils/extension/theme_ext.dart b/lib/utils/extension/theme_ext.dart
new file mode 100644
index 000000000..28acde4ae
--- /dev/null
+++ b/lib/utils/extension/theme_ext.dart
@@ -0,0 +1,28 @@
+import 'package:flutter/material.dart';
+
+extension ColorSchemeExt on ColorScheme {
+  Color get vipColor =>
+      brightness.isLight ? const Color(0xFFFF6699) : const Color(0xFFD44E7D);
+
+  Color get freeColor =>
+      brightness.isLight ? const Color(0xFFFF7F24) : const Color(0xFFD66011);
+
+  bool get isLight => brightness.isLight;
+
+  bool get isDark => brightness.isDark;
+}
+
+extension ColorExtension on Color {
+  Color darken([double amount = .5]) {
+    assert(amount >= 0 && amount <= 1, 'Amount must be between 0 and 1');
+    return Color.lerp(this, Colors.black, amount)!;
+  }
+}
+
+extension BrightnessExt on Brightness {
+  Brightness get reverse => isLight ? Brightness.dark : Brightness.light;
+
+  bool get isLight => this == Brightness.light;
+
+  bool get isDark => this == Brightness.dark;
+}
diff --git a/lib/utils/extension/three_dot_ext.dart b/lib/utils/extension/three_dot_ext.dart
new file mode 100644
index 000000000..6affdec98
--- /dev/null
+++ b/lib/utils/extension/three_dot_ext.dart
@@ -0,0 +1,92 @@
+import 'package:PiliPlus/common/widgets/dialog/dialog.dart';
+import 'package:PiliPlus/grpc/bilibili/app/im/v1.pb.dart'
+    show ThreeDotItem, ThreeDotItemType, IMSettingType;
+import 'package:PiliPlus/pages/common/common_whisper_controller.dart';
+import 'package:PiliPlus/pages/contact/view.dart';
+import 'package:PiliPlus/pages/whisper_settings/view.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
+import 'package:get/get.dart';
+import 'package:material_design_icons_flutter/material_design_icons_flutter.dart';
+
+extension ThreeDotItemTypeExt on ThreeDotItemType {
+  Icon get icon => switch (this) {
+    ThreeDotItemType.THREE_DOT_ITEM_TYPE_MSG_SETTING => const Icon(
+      Icons.settings,
+      size: 20,
+    ),
+    ThreeDotItemType.THREE_DOT_ITEM_TYPE_READ_ALL => const Icon(
+      Icons.cleaning_services,
+      size: 20,
+    ),
+    ThreeDotItemType.THREE_DOT_ITEM_TYPE_CLEAR_LIST => const Icon(
+      Icons.delete_forever_outlined,
+      size: 20,
+    ),
+    ThreeDotItemType.THREE_DOT_ITEM_TYPE_UP_HELPER => const Icon(
+      Icons.live_tv,
+      size: 20,
+    ),
+    ThreeDotItemType.THREE_DOT_ITEM_TYPE_CONTACTS => const Icon(
+      Icons.account_box_outlined,
+      size: 20,
+    ),
+    ThreeDotItemType.THREE_DOT_ITEM_TYPE_FANS_GROUP_HELPER => const Icon(
+      Icons.notifications_none,
+      size: 20,
+    ),
+    _ => const Icon(MdiIcons.circleMedium, size: 20),
+  };
+
+  void action({
+    required BuildContext context,
+    required CommonWhisperController controller,
+    required ThreeDotItem item,
+  }) {
+    switch (this) {
+      case ThreeDotItemType.THREE_DOT_ITEM_TYPE_READ_ALL:
+        showConfirmDialog(
+          context: context,
+          title: '一键已读',
+          content: '是否清除全部新消息提醒？',
+          onConfirm: controller.onClearUnread,
+        );
+      case ThreeDotItemType.THREE_DOT_ITEM_TYPE_CLEAR_LIST:
+        showConfirmDialog(
+          context: context,
+          title: '清空列表',
+          content: '清空后所有消息将被删除，无法恢复',
+          onConfirm: controller.onDeleteList,
+        );
+      case ThreeDotItemType.THREE_DOT_ITEM_TYPE_MSG_SETTING:
+        Get.to(
+          const WhisperSettingsPage(
+            imSettingType: IMSettingType.SETTING_TYPE_NEED_ALL,
+          ),
+        );
+      case ThreeDotItemType.THREE_DOT_ITEM_TYPE_UP_HELPER:
+        dynamic talkerId = RegExp(r'/(\d{3,})').firstMatch(item.url)?.group(1);
+        if (talkerId != null) {
+          talkerId = int.parse(talkerId);
+          Get.toNamed(
+            '/whisperDetail',
+            arguments: {
+              'talkerId': talkerId,
+              'name': item.title,
+              'face': switch (talkerId) {
+                844424930131966 =>
+                  'https://message.biliimg.com/bfs/im/489a63efadfb202366c2f88853d2217b5ddc7a13.png',
+                844424930131964 =>
+                  'https://i0.hdslb.com/bfs/im_new/58eda511672db078466e7ab8db22a95c1503684976.png',
+                _ => item.icon,
+              },
+            },
+          );
+        }
+      case ThreeDotItemType.THREE_DOT_ITEM_TYPE_CONTACTS:
+        Get.to(const ContactPage(isFromSelect: false));
+      default:
+        SmartDialog.showToast('TODO: $name');
+    }
+  }
+}
diff --git a/lib/utils/extension/widget_ext.dart b/lib/utils/extension/widget_ext.dart
new file mode 100644
index 000000000..c42712adf
--- /dev/null
+++ b/lib/utils/extension/widget_ext.dart
@@ -0,0 +1,15 @@
+import 'package:flutter/widgets.dart';
+
+extension WidgetExt on Widget {
+  Widget constraintWidth({
+    BoxConstraints constraints = const BoxConstraints(maxWidth: 625),
+  }) {
+    return Align(
+      alignment: Alignment.topCenter,
+      child: ConstrainedBox(
+        constraints: constraints,
+        child: this,
+      ),
+    );
+  }
+}
diff --git a/lib/utils/image_utils.dart b/lib/utils/image_utils.dart
index 733e0e0a5..05ffff1ad 100644
--- a/lib/utils/image_utils.dart
+++ b/lib/utils/image_utils.dart
@@ -3,10 +3,12 @@ import 'dart:typed_data';
 
 import 'package:PiliPlus/common/constants.dart';
 import 'package:PiliPlus/http/init.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/file_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/global_data.dart';
 import 'package:PiliPlus/utils/path_utils.dart';
 import 'package:PiliPlus/utils/permission_handler.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:dio/dio.dart';
@@ -109,7 +111,8 @@ abstract class ImageUtils {
     required int height,
   }) async {
     try {
-      if (Utils.isMobile && !await checkPermissionDependOnSdkInt(context)) {
+      if (PlatformUtils.isMobile &&
+          !await checkPermissionDependOnSdkInt(context)) {
         return false;
       }
       if (!silentDownImg) SmartDialog.showLoading(msg: '正在下载');
@@ -168,7 +171,8 @@ abstract class ImageUtils {
     List<String> imgList, [
     CacheManager? manager,
   ]) async {
-    if (Utils.isMobile && !await checkPermissionDependOnSdkInt(context)) {
+    if (PlatformUtils.isMobile &&
+        !await checkPermissionDependOnSdkInt(context)) {
       return false;
     }
     CancelToken? cancelToken;
@@ -211,7 +215,7 @@ abstract class ImageUtils {
         }
       });
       final result = await Future.wait(futures, eagerError: true);
-      if (Utils.isMobile) {
+      if (PlatformUtils.isMobile) {
         final delList = <String>[];
         final saveList = <SaveFileData>[];
         for (var i in result) {
@@ -292,7 +296,7 @@ abstract class ImageUtils {
   }) async {
     SaveResult? result;
     fileName += '.$ext';
-    if (Utils.isMobile) {
+    if (PlatformUtils.isMobile) {
       SmartDialog.showLoading(msg: '正在保存');
       result = await SaverGallery.saveImage(
         bytes,
@@ -336,7 +340,7 @@ abstract class ImageUtils {
       return;
     }
     SaveResult? result;
-    if (Utils.isMobile) {
+    if (PlatformUtils.isMobile) {
       result = await SaverGallery.saveFile(
         filePath: filePath,
         fileName: fileName,
diff --git a/lib/utils/page_utils.dart b/lib/utils/page_utils.dart
index a45ce5c89..eb3e38b54 100644
--- a/lib/utils/page_utils.dart
+++ b/lib/utils/page_utils.dart
@@ -18,8 +18,9 @@ import 'package:PiliPlus/pages/share/view.dart';
 import 'package:PiliPlus/pages/video/introduction/ugc/widgets/menu_row.dart';
 import 'package:PiliPlus/services/shutdown_timer_service.dart';
 import 'package:PiliPlus/utils/app_scheme.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
+import 'package:PiliPlus/utils/extension/extension.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
 import 'package:PiliPlus/utils/global_data.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
@@ -423,10 +424,7 @@ abstract class PageUtils {
             }
           }
           // redirectUrl from jumpUrl
-          if (await UrlUtils.parseRedirectUrl(
-                archive.jumpUrl.http2https,
-                false,
-              )
+          if (await UrlUtils.parseRedirectUrl(archive.jumpUrl.http2https, false)
               case final redirectUrl?) {
             if (viewPgcFromUri(redirectUrl)) {
               return;
diff --git a/lib/utils/platform_utils.dart b/lib/utils/platform_utils.dart
new file mode 100644
index 000000000..0ffa1a215
--- /dev/null
+++ b/lib/utils/platform_utils.dart
@@ -0,0 +1,10 @@
+import 'dart:io' show Platform;
+
+abstract final class PlatformUtils {
+  @pragma("vm:platform-const")
+  static final bool isMobile = Platform.isAndroid || Platform.isIOS;
+
+  @pragma("vm:platform-const")
+  static final bool isDesktop =
+      Platform.isWindows || Platform.isMacOS || Platform.isLinux;
+}
diff --git a/lib/utils/reply_utils.dart b/lib/utils/reply_utils.dart
index 61fe64306..6f85a90e5 100644
--- a/lib/utils/reply_utils.dart
+++ b/lib/utils/reply_utils.dart
@@ -9,7 +9,7 @@ import 'package:PiliPlus/models/common/reply/reply_sort_type.dart';
 import 'package:PiliPlus/models_new/reply/data.dart';
 import 'package:PiliPlus/utils/accounts.dart';
 import 'package:PiliPlus/utils/accounts/account.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/foundation.dart' show kDebugMode;
diff --git a/lib/utils/request_utils.dart b/lib/utils/request_utils.dart
index 05885f12a..b85d67a2a 100644
--- a/lib/utils/request_utils.dart
+++ b/lib/utils/request_utils.dart
@@ -24,9 +24,10 @@ import 'package:PiliPlus/pages/group_panel/view.dart';
 import 'package:PiliPlus/pages/later/controller.dart';
 import 'package:PiliPlus/pages/login/geetest/geetest_webview_dialog.dart';
 import 'package:PiliPlus/utils/accounts.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/feed_back.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
@@ -542,7 +543,7 @@ abstract final class RequestUtils {
       }
     }
 
-    if (Utils.isDesktop) {
+    if (PlatformUtils.isDesktop) {
       final json = await Get.dialog<Map<String, dynamic>>(
         GeetestWebviewDialog(gt!, challenge!),
       );
diff --git a/lib/utils/storage_pref.dart b/lib/utils/storage_pref.dart
index 9a066cbad..771bc03b0 100644
--- a/lib/utils/storage_pref.dart
+++ b/lib/utils/storage_pref.dart
@@ -24,13 +24,13 @@ import 'package:PiliPlus/plugin/pl_player/models/bottom_progress_behavior.dart';
 import 'package:PiliPlus/plugin/pl_player/models/fullscreen_mode.dart';
 import 'package:PiliPlus/plugin/pl_player/models/hwdec_type.dart';
 import 'package:PiliPlus/plugin/pl_player/models/play_repeat.dart';
-import 'package:PiliPlus/utils/context_ext.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/context_ext.dart';
+import 'package:PiliPlus/utils/extension/iterable_ext.dart';
 import 'package:PiliPlus/utils/global_data.dart';
 import 'package:PiliPlus/utils/login_utils.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
-import 'package:PiliPlus/utils/utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart' hide ContextExtensionss;
 import 'package:hive/hive.dart';
@@ -277,7 +277,7 @@ abstract class Pref {
 
   static double get refreshDisplacement => _setting.get(
     SettingBoxKey.refreshDisplacement,
-    defaultValue: Utils.isMobile ? 20.0 : 40.0,
+    defaultValue: PlatformUtils.isMobile ? 20.0 : 40.0,
   );
 
   static String get blockUserID {
@@ -878,7 +878,7 @@ abstract class Pref {
 
   static bool get showBatteryLevel => _setting.get(
     SettingBoxKey.showBatteryLevel,
-    defaultValue: Utils.isMobile,
+    defaultValue: PlatformUtils.isMobile,
   );
 
   static FollowOrderType get followOrderType =>
diff --git a/lib/utils/theme_utils.dart b/lib/utils/theme_utils.dart
index fc52b118b..2614611a7 100644
--- a/lib/utils/theme_utils.dart
+++ b/lib/utils/theme_utils.dart
@@ -1,6 +1,6 @@
 import 'package:PiliPlus/common/constants.dart';
 import 'package:PiliPlus/main.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/theme_ext.dart';
 import 'package:PiliPlus/utils/storage_pref.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
diff --git a/lib/utils/update.dart b/lib/utils/update.dart
index 8858593e4..257e8ef51 100644
--- a/lib/utils/update.dart
+++ b/lib/utils/update.dart
@@ -6,7 +6,7 @@ import 'package:PiliPlus/http/api.dart';
 import 'package:PiliPlus/http/init.dart';
 import 'package:PiliPlus/http/ua_type.dart';
 import 'package:PiliPlus/utils/accounts/account.dart';
-import 'package:PiliPlus/utils/extension.dart';
+import 'package:PiliPlus/utils/extension/string_ext.dart';
 import 'package:PiliPlus/utils/page_utils.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:PiliPlus/utils/storage_key.dart';
diff --git a/lib/utils/utils.dart b/lib/utils/utils.dart
index 3a841d5ad..e0dd5f467 100644
--- a/lib/utils/utils.dart
+++ b/lib/utils/utils.dart
@@ -4,6 +4,7 @@ import 'dart:io';
 import 'dart:math' show Random;
 
 import 'package:PiliPlus/common/constants.dart';
+import 'package:PiliPlus/utils/platform_utils.dart';
 import 'package:catcher_2/catcher_2.dart';
 import 'package:connectivity_plus/connectivity_plus.dart';
 import 'package:device_info_plus/device_info_plus.dart';
@@ -18,13 +19,6 @@ abstract class Utils {
 
   static const channel = MethodChannel(Constants.appName);
 
-  @pragma("vm:platform-const")
-  static final bool isMobile = Platform.isAndroid || Platform.isIOS;
-
-  @pragma("vm:platform-const")
-  static final bool isDesktop =
-      Platform.isWindows || Platform.isMacOS || Platform.isLinux;
-
   static const jsonEncoder = JsonEncoder.withIndent('    ');
 
   static Future<void> saveBytes2File({
@@ -38,13 +32,13 @@ abstract class Utils {
         allowedExtensions: allowedExtensions,
         type: type,
         fileName: name,
-        bytes: Utils.isDesktop ? null : bytes,
+        bytes: PlatformUtils.isDesktop ? null : bytes,
       );
       if (path == null) {
         SmartDialog.showToast("取消保存");
         return;
       }
-      if (Utils.isDesktop) {
+      if (PlatformUtils.isDesktop) {
         await File(path).writeAsBytes(bytes);
       }
       SmartDialog.showToast("已保存");
@@ -62,7 +56,7 @@ abstract class Utils {
 
   static Future<bool> get isWiFi async {
     try {
-      return Utils.isMobile &&
+      return PlatformUtils.isMobile &&
           (await Connectivity().checkConnectivity()).contains(
             ConnectivityResult.wifi,
           );
@@ -96,7 +90,7 @@ abstract class Utils {
   }
 
   static Future<void> shareText(String text) async {
-    if (Utils.isDesktop) {
+    if (PlatformUtils.isDesktop) {
       copyText(text);
       return;
     }