diff --git a/lib/pages/video/detail/view.dart b/lib/pages/video/detail/view.dart
index 737f6e54..e285d8e2 100644
--- a/lib/pages/video/detail/view.dart
+++ b/lib/pages/video/detail/view.dart
@@ -271,6 +271,7 @@ class _VideoDetailPageState extends State<VideoDetailPage>
       plPlayerController!.dispose();
     }
     videoPlayerServiceHandler.onVideoDetailDispose();
+    VideoDetailPage.routeObserver.unsubscribe(this);
     // _lifecycleListener.dispose();
     showStatusBar();
     // _animationController.dispose();