diff --git a/XplorePlane/Views/Main/NavigationPropertyPanelView.xaml b/XplorePlane/Views/Main/NavigationPropertyPanelView.xaml
index 0903360..791f55d 100644
--- a/XplorePlane/Views/Main/NavigationPropertyPanelView.xaml
+++ b/XplorePlane/Views/Main/NavigationPropertyPanelView.xaml
@@ -42,8 +42,7 @@
                 Stretch="Uniform"
                 StretchDirection="Both"
                 RenderOptions.BitmapScalingMode="HighQuality"
-                MouseMove="ImgCamera_MouseMove"
-                MouseLeave="ImgCamera_MouseLeave" />
+                MouseLeftButtonDown="ImgCamera_MouseLeftButtonDown" />
         </Border>
 
         <!-- 状态信息 -->
@@ -68,32 +67,32 @@
             <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
                 <Button
                     Command="{Binding ConnectCameraCommand}"
-                    Padding="8,4"
+                    Width="60" Height="26"
                     Margin="2"
                     Background="#4CAF50"
                     Foreground="#000000"
                     Content="连接" />
                 <Button
                     Command="{Binding DisconnectCameraCommand}"
-                    Padding="8,4"
+                    Width="60" Height="26"
                     Margin="2"
                     Background="#F44336"
                     Foreground="#000000"
                     Content="断开" />
                 <Button
                     Command="{Binding StartGrabCommand}"
-                    Padding="8,4"
+                    Width="60" Height="26"
                     Margin="2"
                     Background="#2196F3"
                     Foreground="#000000"
-                    Content="开始采集" />
+                    Content="采集" />
                 <Button
                     Command="{Binding StopGrabCommand}"
-                    Padding="8,4"
+                    Width="60" Height="26"
                     Margin="2"
                     Background="#FF9800"
                     Foreground="#000000"
-                    Content="停止采集" />
+                    Content="停止" />
                 <CheckBox
                     IsChecked="{Binding IsLiveViewEnabled}"
                     VerticalAlignment="Center"
diff --git a/XplorePlane/Views/Main/NavigationPropertyPanelView.xaml.cs b/XplorePlane/Views/Main/NavigationPropertyPanelView.xaml.cs
index 1174b73..520f276 100644
--- a/XplorePlane/Views/Main/NavigationPropertyPanelView.xaml.cs
+++ b/XplorePlane/Views/Main/NavigationPropertyPanelView.xaml.cs
@@ -28,7 +28,7 @@ namespace XplorePlane.Views
             }
         }
 
-        private void ImgCamera_MouseMove(object sender, MouseEventArgs e)
+        private void ImgCamera_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
         {
             if (_viewModel?.CameraImageSource == null) return;
 
@@ -44,11 +44,5 @@ namespace XplorePlane.Views
                 _viewModel.CameraPixelCoord = $"X: {px}, Y: {py}";
             }
         }
-
-        private void ImgCamera_MouseLeave(object sender, MouseEventArgs e)
-        {
-            if (_viewModel != null)
-                _viewModel.CameraPixelCoord = "";
-        }
     }
 }
\ No newline at end of file