diff --git a/Ink Canvas/App.xaml.cs b/Ink Canvas/App.xaml.cs
index 26868336..56385a85 100644
--- a/Ink Canvas/App.xaml.cs	
+++ b/Ink Canvas/App.xaml.cs	
@@ -38,7 +38,7 @@ namespace Ink_Canvas
         // 新增：标记是否通过--show参数启动
         public static bool StartWithShowMode = false;
         // 新增：保存看门狗进程对象
-        private static Process watchdogProcess;
+        public static Process watchdogProcess;
         // 新增：标记是否为软件内主动退出
         public static bool IsAppExitByUser;
         // 新增：标记是否启用了UIA置顶功能
@@ -438,7 +438,6 @@ namespace Ink_Canvas
             {
                 _splashScreen.CloseSplashScreen();
                 _isSplashScreenShown = false;
-                LogHelper.WriteLogToFile("启动画面已关闭");
             }
             catch (Exception ex)
             {
@@ -1034,7 +1033,7 @@ namespace Ink_Canvas
         }
 
         // 看门狗进程
-        private void StartWatchdogIfNeeded()
+        public static void StartWatchdogIfNeeded()
         {
             // 避免递归启动
             if (Environment.GetCommandLineArgs().Contains("--watchdog")) return;
diff --git a/Ink Canvas/MainWindow.xaml.cs b/Ink Canvas/MainWindow.xaml.cs
index fc0feb6a..a14d50ff 100644
--- a/Ink Canvas/MainWindow.xaml.cs	
+++ b/Ink Canvas/MainWindow.xaml.cs	
@@ -3011,6 +3011,14 @@ namespace Ink_Canvas
                     {
                         try
                         {
+                            timerKillProcess.Stop();
+                            if (App.watchdogProcess != null && !App.watchdogProcess.HasExited)
+                            {
+                                App.watchdogProcess.Kill();
+                                App.watchdogProcess = null;
+                            }
+        
+                            
                             // 调用UIAccess DLL
                             if (Environment.Is64BitProcess)
                             {
@@ -3020,6 +3028,9 @@ namespace Ink_Canvas
                             {
                                 PrepareUIAccessX86();
                             }
+                            
+                            App.StartWatchdogIfNeeded();
+                            timerKillProcess.Start();
                         }
                         catch (Exception ex)
                         {