diff --git a/Ink Canvas/Helpers/PPTManager.cs b/Ink Canvas/Helpers/PPTManager.cs
index 11844051..d57464aa 100644
--- a/Ink Canvas/Helpers/PPTManager.cs	
+++ b/Ink Canvas/Helpers/PPTManager.cs	
@@ -314,18 +314,7 @@ namespace Ink_Canvas.Helpers
         {
             try
             {
-                LogHelper.WriteLogToFile("开始使用 ROT 备用方法连接 PowerPoint", LogHelper.LogType.Trace);
                 var pptApp = PPTROTConnectionHelper.TryConnectViaROT(IsSupportWPS);
-                
-                if (pptApp != null)
-                {
-                    LogHelper.WriteLogToFile("ROT 备用方法连接成功", LogHelper.LogType.Event);
-                }
-                else
-                {
-                    LogHelper.WriteLogToFile("ROT 备用方法连接失败", LogHelper.LogType.Warning);
-                }
-                
                 return pptApp;
             }
             catch (Exception ex)
@@ -377,18 +366,7 @@ namespace Ink_Canvas.Helpers
         {
             try
             {
-                LogHelper.WriteLogToFile("开始使用 ROT 备用方法连接 WPS", LogHelper.LogType.Trace);
                 var wpsApp = PPTROTConnectionHelper.TryConnectViaROT(true);
-                
-                if (wpsApp != null)
-                {
-                    LogHelper.WriteLogToFile("ROT 备用方法连接 WPS 成功", LogHelper.LogType.Event);
-                }
-                else
-                {
-                    LogHelper.WriteLogToFile("ROT 备用方法连接 WPS 失败", LogHelper.LogType.Warning);
-                }
-                
                 return wpsApp;
             }
             catch (Exception ex)
@@ -814,8 +792,7 @@ namespace Ink_Canvas.Helpers
             {
                 PresentationClose?.Invoke(pres);
 
-                // 重新启动连接检查
-                _connectionCheckTimer?.Start();
+                DisconnectFromPPT();
             }
             catch (Exception ex)
             {
diff --git a/Ink Canvas/Helpers/PPTROTConnectionHelper.cs b/Ink Canvas/Helpers/PPTROTConnectionHelper.cs
index c30b75b4..87a9b389 100644
--- a/Ink Canvas/Helpers/PPTROTConnectionHelper.cs	
+++ b/Ink Canvas/Helpers/PPTROTConnectionHelper.cs	
@@ -63,8 +63,6 @@ namespace Ink_Canvas.Helpers
         {
             try
             {
-                LogHelper.WriteLogToFile("开始通过 ROT 查找 PowerPoint 应用程序", LogHelper.LogType.Trace);
-
                 object bestApp = GetAnyActivePowerPoint(null, out int bestPriority, out _, isSupportWPS);
 
                 if (bestApp != null && bestPriority > 0)
@@ -79,7 +77,6 @@ namespace Ink_Canvas.Helpers
                             {
                                 var nameObj = pptApp.GetType().InvokeMember("Name", BindingFlags.GetProperty, null, pptApp, null);
                                 SafeReleaseComObject(nameObj);
-                                LogHelper.WriteLogToFile($"通过 ROT 成功连接到 PowerPoint (优先级: {bestPriority})", LogHelper.LogType.Event);
                                 return pptApp;
                             }
                             catch (Exception ex)
@@ -105,7 +102,6 @@ namespace Ink_Canvas.Helpers
                     SafeReleaseComObject(bestApp);
                 }
 
-                LogHelper.WriteLogToFile("通过 ROT 未找到可用的 PowerPoint 应用程序", LogHelper.LogType.Trace);
                 return null;
             }
             catch (Exception ex)