diff --git a/.gitignore b/.gitignore
index a13a714..0b8391a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,7 +30,6 @@ bld/
 lib/
 XP.ImageProcessing/
 ImageProcessing.sln
-ExternalLibraries/
 
 # 排除 Libs 目录中的 DLL 和 PDB 文件（但保留目录结构）
 XplorePlane/Libs/Hardware/*.dll
diff --git a/XplorePlane/App.xaml.cs b/XplorePlane/App.xaml.cs
index 26cb81b..a66e158 100644
--- a/XplorePlane/App.xaml.cs
+++ b/XplorePlane/App.xaml.cs
@@ -334,7 +334,7 @@ namespace XplorePlane
 
 			// 注册视图和视图模型
 			containerRegistry.RegisterForNavigation<MainWindow>();
-            containerRegistry.Register<MainViewModel>();
+            containerRegistry.RegisterSingleton<MainViewModel>();
             containerRegistry.RegisterSingleton<NavigationPropertyPanelViewModel>();
 
             // 注册图像处理服务与视图
diff --git a/XplorePlane/Views/Main/MainWindow.xaml b/XplorePlane/Views/Main/MainWindow.xaml
index 42597af..3342471 100644
--- a/XplorePlane/Views/Main/MainWindow.xaml
+++ b/XplorePlane/Views/Main/MainWindow.xaml
@@ -571,7 +571,7 @@
                     FontFamily="Microsoft YaHei UI"
                     FontSize="11"
                     Foreground="White"
-                    Text="就绪" />
+                    Text="{Binding StatusMessage}" />
 
                 <!--  右侧: 鼠标坐标 + RGB  -->
                 <TextBlock
diff --git a/XplorePlane/Views/Main/ViewportPanelView.xaml b/XplorePlane/Views/Main/ViewportPanelView.xaml
index 033ff14..b972197 100644
--- a/XplorePlane/Views/Main/ViewportPanelView.xaml
+++ b/XplorePlane/Views/Main/ViewportPanelView.xaml
@@ -45,7 +45,5 @@
 
             <!-- 十字线和测量功能已内置于 PolygonRoiCanvas -->
         </Grid>
-
-
     </Grid>
 </UserControl>
diff --git a/XplorePlane/Views/Main/ViewportPanelView.xaml.cs b/XplorePlane/Views/Main/ViewportPanelView.xaml.cs
index 9438a2f..888c67e 100644
--- a/XplorePlane/Views/Main/ViewportPanelView.xaml.cs
+++ b/XplorePlane/Views/Main/ViewportPanelView.xaml.cs
@@ -15,33 +15,47 @@ namespace XplorePlane.Views
 {
     public partial class ViewportPanelView : UserControl
     {
+        private MainViewModel _mainVm;
+
+        private void SetStatus(string msg)
+        {
+            if (_mainVm == null)
+            {
+                try { _mainVm = ContainerLocator.Current?.Resolve<MainViewModel>(); } catch { }
+            }
+            if (_mainVm != null) _mainVm.StatusMessage = msg;
+        }
+
         public ViewportPanelView()
         {
             InitializeComponent();
             DataContextChanged += OnDataContextChanged;
 
-            // 测量事件 → 更新状态栏
+            // 测量事件 → 更新主界面状态栏
             RoiCanvas.MeasureCompleted += (s, e) =>
             {
-                if (e is MeasureCompletedEventArgs args && DataContext is ViewportPanelViewModel vm)
+                if (e is MeasureCompletedEventArgs args)
                 {
                     string typeLabel = args.MeasureType switch
                     {
                         "PointToLine" => "点线距",
                         "Angle" => "角度",
+                        "FillRate" => "填锡率",
                         _ => "点点距"
                     };
-                    string valueText = args.MeasureType == "Angle"
-                        ? $"{args.Distance:F2}°"
-                        : $"{args.Distance:F2} px";
-                    vm.MeasurementResult = valueText;
-                    vm.ImageInfo = $"{typeLabel}: {valueText} | 共 {args.TotalCount} 条测量";
+                    string valueText = args.MeasureType switch
+                    {
+                        "Angle" => $"{args.Distance:F2}°",
+                        "FillRate" => $"{args.Distance:F1}%",
+                        _ => $"{args.Distance:F2} px"
+                    };
+                    SetStatus($"{typeLabel}: {valueText} | 共 {args.TotalCount} 条测量");
                 }
             };
             RoiCanvas.MeasureStatusChanged += (s, e) =>
             {
-                if (e is MeasureStatusEventArgs args && DataContext is ViewportPanelViewModel vm)
-                    vm.ImageInfo = args.Message;
+                if (e is MeasureStatusEventArgs args)
+                    SetStatus(args.Message);
             };
 
             // 十字辅助线：直接订阅 Prism 事件
@@ -61,6 +75,7 @@ namespace XplorePlane.Views
                         MeasurementToolMode.PointDistance => XP.ImageProcessing.RoiControl.Models.MeasureMode.PointDistance,
                         MeasurementToolMode.PointLineDistance => XP.ImageProcessing.RoiControl.Models.MeasureMode.PointToLine,
                         MeasurementToolMode.Angle => XP.ImageProcessing.RoiControl.Models.MeasureMode.Angle,
+                        MeasurementToolMode.ThroughHoleFillRate => XP.ImageProcessing.RoiControl.Models.MeasureMode.FillRate,
                         _ => XP.ImageProcessing.RoiControl.Models.MeasureMode.None
                     };
                 }, Prism.Events.ThreadOption.UIThread);
@@ -91,10 +106,8 @@ namespace XplorePlane.Views
         {
             RoiCanvas.ClearMeasurements();
             if (DataContext is ViewportPanelViewModel vm)
-            {
                 vm.ResetMeasurementState();
-                vm.ImageInfo = "已清除所有测量";
-            }
+            SetStatus("已清除所有测量");
         }
 
         private void SaveOriginalImage_Click(object sender, RoutedEventArgs e)