diff --git a/ClientDemo/MainWindow.xaml.cs b/ClientDemo/MainWindow.xaml.cs
index 1b8cd87..3d9fa9e 100644
--- a/ClientDemo/MainWindow.xaml.cs
+++ b/ClientDemo/MainWindow.xaml.cs
@@ -66,9 +66,9 @@ namespace ClientDemo
         public void StopVideo()
         {
             lTRTCCloud.stopRemoteView("53245345", TRTCVideoStreamType.TRTCVideoStreamTypeBig);
-            RemoveCustomVideoView(main, "666", TRTCVideoStreamType.TRTCVideoStreamTypeBig, false);
+            RemoveCustomVideoView(main, "53245345", TRTCVideoStreamType.TRTCVideoStreamTypeBig, false);
             lTRTCCloud.stopRemoteView("53245345", TRTCVideoStreamType.TRTCVideoStreamTypeSub);
-            RemoveCustomVideoView(sub, "666", TRTCVideoStreamType.TRTCVideoStreamTypeSub, false);
+            RemoveCustomVideoView(sub, "53245345", TRTCVideoStreamType.TRTCVideoStreamTypeSub, false);
         }
         private static void RemoveCustomVideoView(Panel parent, string userId, TRTCVideoStreamType streamType, bool local = false)
         {