diff --git a/Wpf_AiSportsMicrospace/Views/Home.xaml.cs b/Wpf_AiSportsMicrospace/Views/Home.xaml.cs
index e471f96..4ce9c30 100644
--- a/Wpf_AiSportsMicrospace/Views/Home.xaml.cs
+++ b/Wpf_AiSportsMicrospace/Views/Home.xaml.cs
@@ -55,10 +55,12 @@ namespace Wpf_AiSportsMicrospace
             Unloaded += Home_Unloaded;
 
             Utils.PlayBackgroundMusic("homeprojectselected.mp3", true);
+
         }
         private void Window_Loaded(object sender, RoutedEventArgs e)
         {
             _mainWin.HumanFrameUpdated += OnHumanFrameUpdated;
+            _mainWin.WebcamClient.StartExtract();
         }
         private void Home_Unloaded(object sender, RoutedEventArgs e)
         {
diff --git a/Wpf_AiSportsMicrospace/Views/JumpRope/GroupJumpRope.xaml.cs b/Wpf_AiSportsMicrospace/Views/JumpRope/GroupJumpRope.xaml.cs
index ebc0203..128e024 100644
--- a/Wpf_AiSportsMicrospace/Views/JumpRope/GroupJumpRope.xaml.cs
+++ b/Wpf_AiSportsMicrospace/Views/JumpRope/GroupJumpRope.xaml.cs
@@ -200,6 +200,9 @@ namespace Wpf_AiSportsMicrospace.Views
                         int leftWaving = DetectLeftHandRaise(humans);
                         if (leftWaving == 5)
                         {
+                            _mainWin.HumanFrameUpdated -= OnHumanFrameUpdated;
+                            _mainWin.WebcamClient.StopExtract();
+
                             // 举左手逻辑，例如结束动画或退出
                             var newPage = new Home();
                             _mainWin?.SwitchPageWithMaskAnimation(newPage, true);
@@ -272,11 +275,16 @@ namespace Wpf_AiSportsMicrospace.Views
                 x.ImageState = "1";
             });
 
+            _mainWin.HumanFrameUpdated -= OnHumanFrameUpdated;
+            _mainWin.WebcamClient.StopExtract();
+
             RankingItemList = _groupJumpRopeContext.UpdateRankList();
             ShowRankingBoard(RankingItemList);
             Utils.StopBackgroundMusic();
 
             _currentGameState = GameState.Finished;
+            _mainWin.HumanFrameUpdated += OnHumanFrameUpdated;
+            _mainWin.WebcamClient.StartExtract();
         }
 
         private DateTime? _raiseStartTime;
@@ -374,6 +382,7 @@ namespace Wpf_AiSportsMicrospace.Views
             if (humans == null || humans.Count == 0)
                 return (int)WavingAction.None;
 
+
             foreach (var human in humans)
             {
                 if (human?.Keypoints == null)
@@ -389,7 +398,6 @@ namespace Wpf_AiSportsMicrospace.Views
                 if (!(xNorm >= 0.44 && xNorm <= 0.57 && yNorm >= 0.81))
                     continue;
 
-
                 // 获取左手关键点
                 var leftWrist = human.Keypoints.FirstOrDefault(k => k.Name == "left_wrist");
                 var leftElbow = human.Keypoints.FirstOrDefault(k => k.Name == "left_elbow");
@@ -400,7 +408,7 @@ namespace Wpf_AiSportsMicrospace.Views
                 const double raiseThreshold = 60; // 举手阈值
 
                 // 判断左手是否举起
-                double verticalRise = leftWrist.Y - leftElbow.Y;
+                double verticalRise = leftElbow.Y - leftWrist.Y;
                 if (verticalRise >= raiseThreshold)
                 {
                     return (int)WavingAction.RaiseHand; // 一旦检测到左手举起，立即返回
@@ -577,7 +585,7 @@ namespace Wpf_AiSportsMicrospace.Views
                     Height = 71,
                     HorizontalAlignment = HorizontalAlignment.Center,
                     VerticalAlignment = VerticalAlignment.Top,
-                    Margin = new Thickness(0, 57 * item.Rank, 0, 0)
+                    Margin = new Thickness(0, 69 * item.Rank, 0, 0)
                 };
                 var border = new Border
                 {
diff --git a/Wpf_AiSportsMicrospace/Views/Main.xaml.cs b/Wpf_AiSportsMicrospace/Views/Main.xaml.cs
index 0c62839..6897fc1 100644
--- a/Wpf_AiSportsMicrospace/Views/Main.xaml.cs
+++ b/Wpf_AiSportsMicrospace/Views/Main.xaml.cs
@@ -110,10 +110,6 @@ namespace Wpf_AiSportsMicrospace.Views
                 var humans = humanResult?.Humans?.ToList();
                 if (humans == null || humans.Count == 0)
                     return;
-                foreach (var human in humans)
-                {
-                    _detectQueue.Enqueue(frame.Number, human, null);
-                }
 
                 // 触发全局事件
                 Application.Current.Dispatcher.BeginInvoke(() =>