diff --git a/lib/pages/video/detail/controller.dart b/lib/pages/video/detail/controller.dart
index 3e98fffe5..c85de8a46 100644
--- a/lib/pages/video/detail/controller.dart
+++ b/lib/pages/video/detail/controller.dart
@@ -634,6 +634,7 @@ class VideoDetailController extends GetxController
       );
 
   Future _querySponsorBlock() async {
+    positionSubscription?.cancel();
     dynamic result = await Request().get(
       '${GStorage.blockServer}/api/skipSegments',
       queryParameters: {