diff --git a/XplorePlane/ViewModels/Main/MainViewModel.cs b/XplorePlane/ViewModels/Main/MainViewModel.cs
index 7d494ba..5d5cdc7 100644
--- a/XplorePlane/ViewModels/Main/MainViewModel.cs
+++ b/XplorePlane/ViewModels/Main/MainViewModel.cs
@@ -99,6 +99,22 @@ namespace XplorePlane.ViewModels
         // 设置命令
         public DelegateCommand OpenLanguageSwitcherCommand { get; }
         public DelegateCommand OpenRealTimeLogViewerCommand { get; }
+        public DelegateCommand UseLiveDetectorSourceCommand { get; }
+
+        public bool IsMainViewportRealtimeEnabled
+        {
+            get => _mainViewportService.IsRealtimeDisplayEnabled;
+            set
+            {
+                if (_mainViewportService.IsRealtimeDisplayEnabled == value)
+                    return;
+
+                _mainViewportService.SetRealtimeDisplayEnabled(value);
+                RaisePropertyChanged();
+            }
+        }
+
+        public bool IsUsingLiveDetectorSource => _mainViewportService.CurrentSourceMode == MainViewportSourceMode.LiveDetector;
 
         /// <summary>右侧图像区域内容 | Right-side image panel content</summary>
         public object ImagePanelContent
@@ -447,8 +463,6 @@ namespace XplorePlane.ViewModels
             }
         }
 
-        #endregion
-
         #region 测量命令实现
 
         private bool CheckImageLoaded()
@@ -615,5 +629,7 @@ namespace XplorePlane.ViewModels
                 RaisePropertyChanged(nameof(IsUsingLiveDetectorSource));
             }));
         }
+
+        #endregion
     }
 }