diff --git a/lib/models_new/pgc/pgc_info_model/episode.dart b/lib/models_new/pgc/pgc_info_model/episode.dart
index 06596ec80..58c390468 100644
--- a/lib/models_new/pgc/pgc_info_model/episode.dart
+++ b/lib/models_new/pgc/pgc_info_model/episode.dart
@@ -2,21 +2,18 @@ import 'package:PiliPlus/models_new/pgc/pgc_info_model/badge_info.dart';
 import 'package:PiliPlus/models_new/pgc/pgc_info_model/dimension.dart';
 import 'package:PiliPlus/models_new/pgc/pgc_info_model/rights.dart';
 import 'package:PiliPlus/models_new/pgc/pgc_info_model/skip.dart';
+import 'package:PiliPlus/models_new/video/video_detail/episode.dart'
+    show BaseEpisodeItem;
 
-class EpisodeItem {
-  int? aid;
-  String? badge;
+class EpisodeItem extends BaseEpisodeItem {
   BadgeInfo? badgeInfo;
   int? badgeType;
-  String? bvid;
-  int? cid;
   String? cover;
   Dimension? dimension;
   int? duration;
   bool? enableVt;
   int? epId;
   String? from;
-  int? id;
   bool? isViewHide;
   String? link;
   String? longTitle;
@@ -33,23 +30,22 @@ class EpisodeItem {
   Skip? skip;
   int? status;
   String? subtitle;
-  String? title;
   String? vid;
 
   EpisodeItem({
-    this.aid,
-    this.badge,
+    super.aid,
+    super.badge,
     this.badgeInfo,
     this.badgeType,
-    this.bvid,
-    this.cid,
+    super.bvid,
+    super.cid,
     this.cover,
     this.dimension,
     this.duration,
     this.enableVt,
     this.epId,
     this.from,
-    this.id,
+    super.id,
     this.isViewHide,
     this.link,
     this.longTitle,
@@ -66,7 +62,7 @@ class EpisodeItem {
     this.skip,
     this.status,
     this.subtitle,
-    this.title,
+    super.title,
     this.vid,
   });
 
diff --git a/lib/models_new/video/video_detail/episode.dart b/lib/models_new/video/video_detail/episode.dart
index 39efe79fc..15c26bc14 100644
--- a/lib/models_new/video/video_detail/episode.dart
+++ b/lib/models_new/video/video_detail/episode.dart
@@ -1,33 +1,45 @@
 import 'package:PiliPlus/models_new/video/video_detail/arc.dart';
 import 'package:PiliPlus/models_new/video/video_detail/page.dart';
 
-class EpisodeItem {
-  int? seasonId;
-  int? sectionId;
+abstract class BaseEpisodeItem {
   int? id;
   int? aid;
   int? cid;
+  String? bvid;
+  String? badge;
   String? title;
+
+  BaseEpisodeItem({
+    this.id,
+    this.aid,
+    this.cid,
+    this.bvid,
+    this.badge,
+    this.title,
+  });
+}
+
+class EpisodeItem extends BaseEpisodeItem {
+  int? seasonId;
+  int? sectionId;
   int? attribute;
   Arc? arc;
   Part? page;
-  String? bvid;
   List<Part>? pages;
-  String? badge;
 
   EpisodeItem({
     this.seasonId,
     this.sectionId,
-    this.id,
-    this.aid,
-    this.cid,
-    this.title,
+    super.id,
+    super.aid,
+    super.cid,
+    super.title,
     this.attribute,
     this.arc,
     this.page,
-    this.bvid,
+    super.bvid,
     this.pages,
-    this.badge,
+    super.badge,
   });
 
   factory EpisodeItem.fromJson(Map<String, dynamic> json) => EpisodeItem(
diff --git a/lib/pages/episode_panel/view.dart b/lib/pages/episode_panel/view.dart
index db7833042..5da1358f2 100644
--- a/lib/pages/episode_panel/view.dart
+++ b/lib/pages/episode_panel/view.dart
@@ -402,15 +402,12 @@ class _EpisodePanelState extends CommonSlidePageState<EpisodePanel> {
             if (!widget.showTitle) {
               _currentItemIndex = index;
             }
+            final isEpisode = episode is ugc.BaseEpisodeItem;
             widget.changeFucCall(
               episode is pgc.EpisodeItem ? episode.epId : null,
-              episode.runtimeType.toString() == "EpisodeItem"
-                  ? episode.bvid
-                  : widget.bvid,
+              isEpisode ? episode.bvid : widget.bvid,
               episode.cid,
-              episode.runtimeType.toString() == "EpisodeItem"
-                  ? episode.aid
-                  : widget.aid,
+              isEpisode ? episode.aid : widget.aid,
               cover,
             );
             if (widget.type == EpisodeType.season) {
diff --git a/lib/pages/video/view.dart b/lib/pages/video/view.dart
index 3ce4fa2e8..25e5e1ca3 100644
--- a/lib/pages/video/view.dart
+++ b/lib/pages/video/view.dart
@@ -2148,14 +2148,16 @@ class _VideoDetailPageVState extends State<VideoDetailPageV>
     }
 
     void changeEpisode(episode) {
+      final isEpisode = episode is BaseEpisodeItem;
+      final isPgc = episode is pgc.EpisodeItem;
       videoIntroController.changeSeasonOrbangu(
-        episode is pgc.EpisodeItem ? episode.epId : null,
-        episode.runtimeType.toString() == "EpisodeItem" ? episode.bvid : bvid,
+        isPgc ? episode.epId : null,
+        isEpisode ? episode.bvid : bvid,
         episode.cid,
-        episode.runtimeType.toString() == "EpisodeItem" ? episode.aid : aid,
+        isEpisode ? episode.aid : aid,
         episode is EpisodeItem
             ? episode.arc?.pic
-            : episode is pgc.EpisodeItem
+            : isPgc
             ? episode.cover
             : null,
       );