diff --git a/lib/models/common/video/source_type.dart b/lib/models/common/video/source_type.dart
new file mode 100644
index 000000000..b622856ed
--- /dev/null
+++ b/lib/models/common/video/source_type.dart
@@ -0,0 +1,10 @@
+enum SourceType {
+  normal(-1),
+  archive(1),
+  watchLater(2),
+  fav(3),
+  playlist(3);
+
+  final int mediaType;
+  const SourceType(this.mediaType);
+}
diff --git a/lib/pages/fav_detail/controller.dart b/lib/pages/fav_detail/controller.dart
index e623b1c39..1b7a1c4c1 100644
--- a/lib/pages/fav_detail/controller.dart
+++ b/lib/pages/fav_detail/controller.dart
@@ -1,6 +1,7 @@
 import 'package:PiliPlus/http/fav.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/models/common/fav_order_type.dart';
+import 'package:PiliPlus/models/common/video/source_type.dart';
 import 'package:PiliPlus/models_new/fav/fav_detail/data.dart';
 import 'package:PiliPlus/models_new/fav/fav_detail/media.dart';
 import 'package:PiliPlus/models_new/fav/fav_folder/list.dart';
@@ -165,7 +166,7 @@ class FavDetailController
             arguments: {
               'videoItem': element,
               'heroTag': Utils.makeHeroTag(element.bvid),
-              'sourceType': 'fav',
+              'sourceType': SourceType.fav,
               'mediaId': folderInfo.id,
               'oid': element.id,
               'favTitle': folderInfo.title,
diff --git a/lib/pages/fav_detail/view.dart b/lib/pages/fav_detail/view.dart
index 40d303e91..2309cfdd4 100644
--- a/lib/pages/fav_detail/view.dart
+++ b/lib/pages/fav_detail/view.dart
@@ -8,6 +8,7 @@ import 'package:PiliPlus/common/widgets/refresh_indicator.dart';
 import 'package:PiliPlus/http/fav.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/models/common/fav_order_type.dart';
+import 'package:PiliPlus/models/common/video/source_type.dart';
 import 'package:PiliPlus/models_new/fav/fav_detail/data.dart';
 import 'package:PiliPlus/models_new/fav/fav_detail/media.dart';
 import 'package:PiliPlus/models_new/fav/fav_folder/list.dart';
@@ -507,7 +508,7 @@ class _FavDetailPageState extends State<FavDetailPage> {
                                 arguments: {
                                   'videoItem': item,
                                   'heroTag': Utils.makeHeroTag(item.bvid),
-                                  'sourceType': 'fav',
+                                  'sourceType': SourceType.fav,
                                   'mediaId': folderInfo.id,
                                   'oid': item.id,
                                   'favTitle': folderInfo.title,
diff --git a/lib/pages/fav_search/view.dart b/lib/pages/fav_search/view.dart
index a06549344..7d68e662f 100644
--- a/lib/pages/fav_search/view.dart
+++ b/lib/pages/fav_search/view.dart
@@ -1,4 +1,5 @@
 import 'package:PiliPlus/models/common/fav_order_type.dart';
+import 'package:PiliPlus/models/common/video/source_type.dart';
 import 'package:PiliPlus/models_new/fav/fav_detail/data.dart';
 import 'package:PiliPlus/models_new/fav/fav_detail/media.dart';
 import 'package:PiliPlus/pages/common/common_search_page.dart';
@@ -80,7 +81,7 @@ class _FavSearchPageState
               arguments: {
                 'videoItem': item,
                 'heroTag': Utils.makeHeroTag(item.bvid),
-                'sourceType': 'fav',
+                'sourceType': SourceType.fav,
                 'mediaId': controller.mediaId,
                 'oid': item.id,
                 'favTitle': controller.title,
diff --git a/lib/pages/later/child_view.dart b/lib/pages/later/child_view.dart
index 943b879c5..23f5aaf23 100644
--- a/lib/pages/later/child_view.dart
+++ b/lib/pages/later/child_view.dart
@@ -5,6 +5,7 @@ import 'package:PiliPlus/common/widgets/loading_widget/http_error.dart';
 import 'package:PiliPlus/common/widgets/refresh_indicator.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/models/common/later_view_type.dart';
+import 'package:PiliPlus/models/common/video/source_type.dart';
 import 'package:PiliPlus/models_new/later/list.dart';
 import 'package:PiliPlus/pages/later/controller.dart';
 import 'package:PiliPlus/pages/later/widgets/video_card_h_later.dart';
@@ -92,7 +93,7 @@ class _LaterViewChildPageState extends State<LaterViewChildPage>
                                 'videoItem': videoItem,
                                 'oid': videoItem.aid,
                                 'heroTag': Utils.makeHeroTag(videoItem.bvid),
-                                'sourceType': 'watchLater',
+                                'sourceType': SourceType.watchLater,
                                 'count': _laterController
                                     .baseCtr
                                     .counts[LaterViewType.all],
diff --git a/lib/pages/later/controller.dart b/lib/pages/later/controller.dart
index 106dae052..ac0c36b2e 100644
--- a/lib/pages/later/controller.dart
+++ b/lib/pages/later/controller.dart
@@ -2,6 +2,7 @@ import 'package:PiliPlus/common/widgets/dialog/dialog.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/http/user.dart';
 import 'package:PiliPlus/models/common/later_view_type.dart';
+import 'package:PiliPlus/models/common/video/source_type.dart';
 import 'package:PiliPlus/models_new/later/data.dart';
 import 'package:PiliPlus/models_new/later/list.dart';
 import 'package:PiliPlus/pages/common/multi_select_controller.dart';
@@ -219,7 +220,7 @@ class LaterController extends MultiSelectController<LaterData, LaterItemModel> {
             arguments: {
               'videoItem': item,
               'heroTag': Utils.makeHeroTag(item.bvid),
-              'sourceType': 'watchLater',
+              'sourceType': SourceType.watchLater,
               'count': baseCtr.counts[LaterViewType.all],
               'favTitle': '稍后再看',
               'mediaId': accountService.mid,
diff --git a/lib/pages/later_search/view.dart b/lib/pages/later_search/view.dart
index 3f48836cc..865d6da6d 100644
--- a/lib/pages/later_search/view.dart
+++ b/lib/pages/later_search/view.dart
@@ -1,5 +1,6 @@
 import 'package:PiliPlus/common/widgets/button/icon_button.dart';
 import 'package:PiliPlus/common/widgets/dialog/dialog.dart';
+import 'package:PiliPlus/models/common/video/source_type.dart';
 import 'package:PiliPlus/models_new/later/data.dart';
 import 'package:PiliPlus/models_new/later/list.dart';
 import 'package:PiliPlus/pages/common/common_search_page.dart';
@@ -49,7 +50,7 @@ class _LaterSearchPageState
                       'videoItem': item,
                       'oid': item.aid,
                       'heroTag': Utils.makeHeroTag(item.bvid),
-                      'sourceType': 'watchLater',
+                      'sourceType': SourceType.watchLater,
                       'count': controller.count,
                       'favTitle': '稍后再看',
                       'mediaId': controller.mid,
diff --git a/lib/pages/member_video/controller.dart b/lib/pages/member_video/controller.dart
index 73bee60ed..e4e3ef572 100644
--- a/lib/pages/member_video/controller.dart
+++ b/lib/pages/member_video/controller.dart
@@ -3,6 +3,7 @@ import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/http/member.dart';
 import 'package:PiliPlus/http/search.dart';
 import 'package:PiliPlus/models/common/member/contribute_type.dart';
+import 'package:PiliPlus/models/common/video/source_type.dart';
 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';
@@ -157,7 +158,7 @@ class MemberVideoCtr
           'bvid=$bvid&cid=$cid',
           arguments: {
             'heroTag': Utils.makeHeroTag(oid),
-            'sourceType': 'archive',
+            'sourceType': SourceType.archive,
             'mediaId': seasonId ?? seriesId ?? mid,
             'oid': oid,
             'favTitle': '$username: ${title ?? episodicButton.text ?? '播放全部'}',
@@ -198,7 +199,7 @@ class MemberVideoCtr
             arguments: {
               'videoItem': element,
               'heroTag': Utils.makeHeroTag(element.bvid),
-              'sourceType': 'archive',
+              'sourceType': SourceType.archive,
               'mediaId': seasonId ?? seriesId ?? mid,
               'oid': IdUtils.bv2av(element.bvid!),
               'favTitle':
diff --git a/lib/pages/video/controller.dart b/lib/pages/video/controller.dart
index 55899821d..3df1d0b8d 100644
--- a/lib/pages/video/controller.dart
+++ b/lib/pages/video/controller.dart
@@ -18,6 +18,7 @@ import 'package:PiliPlus/models/common/sponsor_block/segment_model.dart';
 import 'package:PiliPlus/models/common/sponsor_block/segment_type.dart';
 import 'package:PiliPlus/models/common/sponsor_block/skip_type.dart';
 import 'package:PiliPlus/models/common/video/audio_quality.dart';
+import 'package:PiliPlus/models/common/video/source_type.dart';
 import 'package:PiliPlus/models/common/video/subtitle_pref_type.dart';
 import 'package:PiliPlus/models/common/video/video_decode_type.dart';
 import 'package:PiliPlus/models/common/video/video_quality.dart';
@@ -39,6 +40,7 @@ import 'package:PiliPlus/pages/video/send_danmaku/view.dart';
 import 'package:PiliPlus/pages/video/widgets/header_control.dart';
 import 'package:PiliPlus/plugin/pl_player/controller.dart';
 import 'package:PiliPlus/plugin/pl_player/models/data_source.dart';
+import 'package:PiliPlus/plugin/pl_player/models/heart_beat_type.dart';
 import 'package:PiliPlus/plugin/pl_player/models/play_status.dart';
 import 'package:PiliPlus/utils/duration_util.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
@@ -234,18 +236,11 @@ class VideoDetailController extends GetxController
   }
 
   // 页面来源 稍后再看 收藏夹
-  String sourceType = 'normal';
+  SourceType sourceType = Get.arguments['sourceType'] ?? SourceType.normal;
   late bool _mediaDesc = false;
   late final RxList<MediaListItemModel> mediaList = <MediaListItemModel>[].obs;
   late String watchLaterTitle = '';
-  bool get isPlayAll =>
-      const ['watchLater', 'fav', 'archive', 'playlist'].contains(sourceType);
-  int get _mediaType => switch (sourceType) {
-    'archive' => 1,
-    'watchLater' => 2,
-    'fav' || 'playlist' => 3,
-    _ => -1,
-  };
+  bool get isPlayAll => sourceType != SourceType.normal;
 
   late dynamic epId = Get.parameters['epId'];
   late dynamic seasonId = Get.parameters['seasonId'];
@@ -274,9 +269,7 @@ class VideoDetailController extends GetxController
       }
     }
 
-    sourceType = Get.arguments['sourceType'] ?? 'normal';
-
-    if (sourceType != 'normal') {
+    if (isPlayAll) {
       watchLaterTitle = Get.arguments['favTitle'];
       _mediaDesc = Get.arguments['desc'];
       getMediaList();
@@ -308,7 +301,7 @@ class VideoDetailController extends GetxController
       return;
     }
     var res = await UserHttp.getMediaList(
-      type: Get.arguments['mediaType'] ?? _mediaType,
+      type: Get.arguments['mediaType'] ?? sourceType.mediaType,
       bizId: Get.arguments['mediaId'] ?? -1,
       ps: 20,
       direction: isLoadPrevious ? true : false,
@@ -392,10 +385,11 @@ class VideoDetailController extends GetxController
             ? () => getMediaList(isLoadPrevious: true)
             : null,
         onDelete:
-            sourceType == 'watchLater' ||
-                (sourceType == 'fav' && Get.arguments?['isOwner'] == true)
+            sourceType == SourceType.watchLater ||
+                (sourceType == SourceType.fav &&
+                    Get.arguments?['isOwner'] == true)
             ? (item, index) async {
-                if (sourceType == 'watchLater') {
+                if (sourceType == SourceType.watchLater) {
                   var res = await UserHttp.toViewDel(
                     aids: [item.aid],
                   );
@@ -1598,7 +1592,7 @@ class VideoDetailController extends GetxController
                     ? -1
                     : playedTime!.inSeconds
               : playedTime!.inSeconds,
-          type: 'status',
+          type: HeartBeatType.status,
           isManual: true,
           bvid: bvid,
           cid: cid.value,
diff --git a/lib/pages/video/reply/widgets/reply_item_grpc.dart b/lib/pages/video/reply/widgets/reply_item_grpc.dart
index d200eb610..d13b953f6 100644
--- a/lib/pages/video/reply/widgets/reply_item_grpc.dart
+++ b/lib/pages/video/reply/widgets/reply_item_grpc.dart
@@ -772,7 +772,7 @@ class ReplyItemGrpc extends StatelessWidget {
                             Duration(
                               seconds: DurationUtil.parseDuration(matchStr),
                             ),
-                            type: 'slider',
+                            isSeek: false,
                           );
                         } catch (e) {
                           SmartDialog.showToast('跳转失败: $e');
diff --git a/lib/plugin/pl_player/controller.dart b/lib/plugin/pl_player/controller.dart
index 774581b0f..c052ec450 100644
--- a/lib/plugin/pl_player/controller.dart
+++ b/lib/plugin/pl_player/controller.dart
@@ -16,6 +16,7 @@ import 'package:PiliPlus/plugin/pl_player/models/bottom_progress_behavior.dart';
 import 'package:PiliPlus/plugin/pl_player/models/data_source.dart';
 import 'package:PiliPlus/plugin/pl_player/models/data_status.dart';
 import 'package:PiliPlus/plugin/pl_player/models/fullscreen_mode.dart';
+import 'package:PiliPlus/plugin/pl_player/models/heart_beat_type.dart';
 import 'package:PiliPlus/plugin/pl_player/models/play_repeat.dart';
 import 'package:PiliPlus/plugin/pl_player/models/play_status.dart';
 import 'package:PiliPlus/plugin/pl_player/utils/fullscreen.dart';
@@ -449,8 +450,11 @@ class PlPlayerController {
     }
   }
 
-  static Future<void> seekToIfExists(Duration position, {type = 'seek'}) async {
-    await _instance?.seekTo(position, type: type);
+  static Future<void> seekToIfExists(
+    Duration position, {
+    bool isSeek = true,
+  }) async {
+    await _instance?.seekTo(position, isSeek: isSeek);
   }
 
   static double? getVolumeIfExists() {
@@ -635,7 +639,7 @@ class PlPlayerController {
     return shadersDirectory;
   }
 
-  bool get _isPgc =>
+  late final _isPgc =
       Get.parameters['type'] == '1' || Get.parameters['type'] == '4';
   late int superResolutionType = _isPgc ? Pref.superResolutionType : 0;
   Future<void> setShader([int? type, NativePlayer? pp]) async {
@@ -893,7 +897,7 @@ class PlPlayerController {
           element(event ? PlayerStatus.playing : PlayerStatus.paused);
         }
         if (videoPlayerController!.state.position.inSeconds != 0) {
-          makeHeartBeat(positionSeconds.value, type: 'status');
+          makeHeartBeat(positionSeconds.value, type: HeartBeatType.status);
         }
       }),
       videoPlayerController!.stream.completed.listen((event) {
@@ -907,7 +911,7 @@ class PlPlayerController {
         } else {
           // playerStatus.status.value = PlayerStatus.playing;
         }
-        makeHeartBeat(positionSeconds.value, type: 'completed');
+        makeHeartBeat(positionSeconds.value, type: HeartBeatType.completed);
       }),
       videoPlayerController!.stream.position.listen((event) {
         _position.value = event;
@@ -1014,7 +1018,7 @@ class PlPlayerController {
   }
 
   /// 跳转至指定位置
-  Future<void> seekTo(Duration position, {type = 'seek'}) async {
+  Future<void> seekTo(Duration position, {bool isSeek = true}) async {
     // if (position >= duration.value) {
     //   position = duration.value - const Duration(milliseconds: 100);
     // }
@@ -1028,7 +1032,7 @@ class PlPlayerController {
     updatePositionSecond();
     _heartDuration = position.inSeconds;
     if (duration.value.inSeconds != 0) {
-      if (type != 'slider') {
+      if (isSeek) {
         /// 拖动进度条调节时，不等待第一帧，防止抖动
         await _videoPlayerController?.stream.buffer.first;
       }
@@ -1107,7 +1111,7 @@ class PlPlayerController {
     // repeat为true，将从头播放
     if (repeat) {
       // await seekTo(Duration.zero);
-      await seekTo(Duration.zero, type: "slider");
+      await seekTo(Duration.zero, isSeek: false);
     }
 
     await _videoPlayerController?.play();
@@ -1424,7 +1428,7 @@ class PlPlayerController {
   // 记录播放记录
   Future<void> makeHeartBeat(
     int progress, {
-    type = 'playing',
+    HeartBeatType type = HeartBeatType.playing,
     bool isManual = false,
     dynamic bvid,
     dynamic cid,
@@ -1444,13 +1448,13 @@ class PlPlayerController {
     }
     bool isComplete =
         playerStatus.status.value == PlayerStatus.completed ||
-        type == 'completed';
+        type == HeartBeatType.completed;
     if ((durationSeconds.value - position.value).inMilliseconds > 1000) {
       isComplete = false;
     }
     // 播放状态变化时，更新
 
-    if (type == 'status' || type == 'completed') {
+    if (type == HeartBeatType.status || type == HeartBeatType.completed) {
       await VideoHttp.heartBeat(
         bvid: bvid ?? _bvid,
         cid: cid ?? _cid,
diff --git a/lib/plugin/pl_player/models/heart_beat_type.dart b/lib/plugin/pl_player/models/heart_beat_type.dart
new file mode 100644
index 000000000..4570288e9
--- /dev/null
+++ b/lib/plugin/pl_player/models/heart_beat_type.dart
@@ -0,0 +1,5 @@
+enum HeartBeatType {
+  playing,
+  status,
+  completed,
+}
diff --git a/lib/plugin/pl_player/view.dart b/lib/plugin/pl_player/view.dart
index 6362d570b..5c773d0e3 100644
--- a/lib/plugin/pl_player/view.dart
+++ b/lib/plugin/pl_player/view.dart
@@ -949,7 +949,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
                     } else {
                       plPlayerController.seekTo(
                         plPlayerController.sliderPosition.value,
-                        type: 'slider',
+                        isSeek: false,
                       );
                     }
                     plPlayerController.onChangedSliderEnd();
@@ -1769,10 +1769,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
                                       player.state.duration,
                                     );
                                     plPlayerController
-                                      ..seekTo(
-                                        result,
-                                        type: 'slider',
-                                      )
+                                      ..seekTo(result, isSeek: false)
                                       ..play();
                                   },
                                 ),
@@ -1803,10 +1800,7 @@ class _PLVideoPlayerState extends State<PLVideoPlayer>
                                       player.state.duration,
                                     );
                                     plPlayerController
-                                      ..seekTo(
-                                        result,
-                                        type: 'slider',
-                                      )
+                                      ..seekTo(result, isSeek: false)
                                       ..play();
                                   },
                                 ),
diff --git a/lib/plugin/pl_player/widgets/bottom_control.dart b/lib/plugin/pl_player/widgets/bottom_control.dart
index 217b5cf53..c34028dbc 100644
--- a/lib/plugin/pl_player/widgets/bottom_control.dart
+++ b/lib/plugin/pl_player/widgets/bottom_control.dart
@@ -103,7 +103,7 @@ class BottomControl extends StatelessWidget {
                             ..onChangedSlider(duration.inSeconds.toDouble())
                             ..seekTo(
                               Duration(seconds: duration.inSeconds),
-                              type: 'slider',
+                              isSeek: false,
                             );
                           SemanticsService.announce(
                             "${(duration.inSeconds / max * 100).round()}%",
diff --git a/lib/services/audio_handler.dart b/lib/services/audio_handler.dart
index d462389ec..ba724fd0d 100644
--- a/lib/services/audio_handler.dart
+++ b/lib/services/audio_handler.dart
@@ -46,7 +46,7 @@ class VideoPlayerServiceHandler extends BaseAudioHandler with SeekHandler {
         updatePosition: position,
       ),
     );
-    await PlPlayerController.seekToIfExists(position, type: 'slider');
+    await PlPlayerController.seekToIfExists(position, isSeek: false);
     // await player.seekTo(position);
   }
 
diff --git a/lib/utils/app_scheme.dart b/lib/utils/app_scheme.dart
index 7e19d4cb1..0f73c143e 100644
--- a/lib/utils/app_scheme.dart
+++ b/lib/utils/app_scheme.dart
@@ -1,6 +1,7 @@
 import 'dart:async';
 
 import 'package:PiliPlus/http/search.dart';
+import 'package:PiliPlus/models/common/video/source_type.dart';
 import 'package:PiliPlus/pages/video/reply_reply/view.dart';
 import 'package:PiliPlus/utils/extension.dart';
 import 'package:PiliPlus/utils/id_utils.dart';
@@ -632,7 +633,7 @@ class PiliScheme {
                 'bvid=$bvid&cid=$cid',
                 arguments: {
                   'heroTag': Utils.makeHeroTag(bvid),
-                  'sourceType': 'playlist',
+                  'sourceType': SourceType.playlist,
                   'favTitle': '播放列表',
                   'mediaId': mediaId,
                   'mediaType': 3,