diff --git a/Ink Canvas/MainWindow.xaml b/Ink Canvas/MainWindow.xaml
index 1e58b0dc..16704010 100644
--- a/Ink Canvas/MainWindow.xaml	
+++ b/Ink Canvas/MainWindow.xaml	
@@ -1465,7 +1465,7 @@
                                     <ui:SimpleStackPanel Orientation="Horizontal" HorizontalAlignment="Left">
                                         <Image Source="/Resources/Icons-png/Powerpoint.png" Margin="0,0,6,0" Width="28"
                                                Height="28" VerticalAlignment="Center" />
-                                        <TextBlock Foreground="#fafafa" Text="使用 ROT 联动（关闭为默认 COM 联动）" VerticalAlignment="Center"
+                                        <TextBlock Foreground="#fafafa" Text="使用 ROT 联动（需要重启）" VerticalAlignment="Center"
                                                    FontSize="14" Margin="0,0,16,0" />
                                         <ui:ToggleSwitch OnContent="" OffContent="" Name="ToggleSwitchUseRotPptLink"
                                                          IsOn="False" FontFamily="Microsoft YaHei UI" FontWeight="Bold"
diff --git a/Ink Canvas/MainWindow_cs/MW_ROTPPT.cs b/Ink Canvas/MainWindow_cs/MW_ROTPPT.cs
index 25d7e246..bc70518d 100644
--- a/Ink Canvas/MainWindow_cs/MW_ROTPPT.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_ROTPPT.cs	
@@ -184,8 +184,17 @@ namespace Ink_Canvas
 
         private void StopPPTMonitoring()
         {
-            _pptManager?.StopMonitoring();
-            LogHelper.WriteLogToFile("PPT监控已停止", LogHelper.LogType.Event);
+            try
+            {
+                _pptManager?.StopMonitoring();
+                _pptManager?.Dispose();
+                _pptManager = null;
+                LogHelper.WriteLogToFile("PPT监控已停止并释放当前 PPT 管理器实例", LogHelper.LogType.Event);
+            }
+            catch (Exception ex)
+            {
+                LogHelper.WriteLogToFile($"停止PPT监控或释放PPT管理器失败: {ex}", LogHelper.LogType.Error);
+            }
         }
 
         #region PowerPoint Application Management
diff --git a/Ink Canvas/MainWindow_cs/MW_Settings.cs b/Ink Canvas/MainWindow_cs/MW_Settings.cs
index 72d81493..5d3e8222 100644
--- a/Ink Canvas/MainWindow_cs/MW_Settings.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_Settings.cs	
@@ -149,7 +149,30 @@ namespace Ink_Canvas
 
             try
             {
+                StopPPTMonitoring();
+                if (Settings.PowerPointSettings.UseRotPptLink &&
+                    Settings.PowerPointSettings.EnablePowerPointEnhancement)
+                {
+                    Settings.PowerPointSettings.EnablePowerPointEnhancement = false;
+                    if (ToggleSwitchPowerPointEnhancement != null)
+                    {
+                        ToggleSwitchPowerPointEnhancement.IsOn = false;
+                    }
+                    StopPowerPointProcessMonitoring();
+
+                    SaveSettingsToFile();
+                }
+
                 InitializePPTManagers();
+
+                if (Settings.PowerPointSettings.PowerPointSupport)
+                {
+                    StartPPTMonitoring();
+                }
+
+                LogHelper.WriteLogToFile(
+                    $"已切换 PPT 联动架构为 {(Settings.PowerPointSettings.UseRotPptLink ? "ROT" : "COM")}",
+                    LogHelper.LogType.Event);
             }
             catch (Exception ex)
             {