diff --git a/Ink Canvas/Helpers/COMPPTManager.cs b/Ink Canvas/Helpers/COMPPTManager.cs
index d5eaf574..44eaf96e 100644
--- a/Ink Canvas/Helpers/COMPPTManager.cs	
+++ b/Ink Canvas/Helpers/COMPPTManager.cs	
@@ -13,20 +13,21 @@ namespace Ink_Canvas.Helpers
     /// <summary>
     /// 基于 COM 的 PPT 联动管理器
     /// </summary>
-    public class ComPPTManager : IDisposable
+    public class ComPPTManager : IPPTLinkManager
     {
         #region Events
-        public event Action<SlideShowWindow> SlideShowBegin;
-        public event Action<SlideShowWindow> SlideShowNextSlide;
-        public event Action<Presentation> SlideShowEnd;
-        public event Action<Presentation> PresentationOpen;
-        public event Action<Presentation> PresentationClose;
+        public event Action<object> SlideShowBegin;
+        public event Action<object> SlideShowNextSlide;
+        public event Action<object> SlideShowEnd;
+        public event Action<object> PresentationOpen;
+        public event Action<object> PresentationClose;
         public event Action<bool> PPTConnectionChanged;
         public event Action<bool> SlideShowStateChanged;
         #endregion
 
         #region Properties
         public Microsoft.Office.Interop.PowerPoint.Application PPTApplication { get; private set; }
+        object IPPTLinkManager.PPTApplication => PPTApplication;
         public Presentation CurrentPresentation { get; private set; }
         public Slides CurrentSlides { get; private set; }
         public Slide CurrentSlide { get; private set; }
@@ -961,7 +962,7 @@ namespace Ink_Canvas.Helpers
             }
         }
 
-        public Presentation GetCurrentActivePresentation()
+        public object GetCurrentActivePresentation()
         {
             try
             {
diff --git a/Ink Canvas/Helpers/IPPTLinkManager.cs b/Ink Canvas/Helpers/IPPTLinkManager.cs
new file mode 100644
index 00000000..cf8004ae
--- /dev/null
+++ b/Ink Canvas/Helpers/IPPTLinkManager.cs	
@@ -0,0 +1,44 @@
+using System;
+using Microsoft.Office.Interop.PowerPoint;
+
+namespace Ink_Canvas.Helpers
+{
+    public interface IPPTLinkManager : IDisposable
+    {
+        event Action<object> SlideShowBegin;
+        event Action<object> SlideShowNextSlide;
+        event Action<object> SlideShowEnd;
+        event Action<object> PresentationOpen;
+        event Action<object> PresentationClose;
+        event Action<bool> PPTConnectionChanged;
+        event Action<bool> SlideShowStateChanged;
+
+        bool IsConnected { get; }
+        bool IsInSlideShow { get; }
+        bool IsSupportWPS { get; set; }
+        int SlidesCount { get; }
+
+        object PPTApplication { get; }
+
+        // 生命周期管理
+        void StartMonitoring();
+        void StopMonitoring();
+
+        // 放映控制
+        bool TryStartSlideShow();
+        bool TryEndSlideShow();
+
+        // 导航控制
+        bool TryNavigateToSlide(int slideNumber);
+        bool TryNavigateNext();
+        bool TryNavigatePrevious();
+
+        // 查询
+        int GetCurrentSlideNumber();
+        string GetPresentationName();
+        bool TryShowSlideNavigation();
+        object GetCurrentActivePresentation();
+    }
+}
+
+
diff --git a/Ink Canvas/Helpers/ROTPPTManager.cs b/Ink Canvas/Helpers/ROTPPTManager.cs
index 3de63ddf..001da50c 100644
--- a/Ink Canvas/Helpers/ROTPPTManager.cs	
+++ b/Ink Canvas/Helpers/ROTPPTManager.cs	
@@ -17,13 +17,14 @@ namespace Ink_Canvas.Helpers
     /// <summary>
     /// PPT联动管理器 - 统一管理PPT和WPS的连接、事件处理和进程管理
     /// </summary>
-    public class PPTManager : IDisposable
+    public class PPTManager : IPPTLinkManager
     {
         #region Events
         public event Action<object> SlideShowBegin;
         public event Action<object> SlideShowNextSlide;
         public event Action<object> SlideShowEnd;
         public event Action<object> PresentationOpen;
+        public event Action<object> PresentationClose;
         public event Action<bool> PPTConnectionChanged;
         public event Action<bool> SlideShowStateChanged;
         #endregion
diff --git a/Ink Canvas/MainWindow_cs/MW_ROTPPT.cs b/Ink Canvas/MainWindow_cs/MW_ROTPPT.cs
index d755c0a7..25d7e246 100644
--- a/Ink Canvas/MainWindow_cs/MW_ROTPPT.cs	
+++ b/Ink Canvas/MainWindow_cs/MW_ROTPPT.cs	
@@ -105,14 +105,13 @@ namespace Ink_Canvas
         #endregion
 
         #region PPT Managers
-        private PPTManager _pptManager;
+        private IPPTLinkManager _pptManager;
         private PPTInkManager _singlePPTInkManager;
         private PPTUIManager _pptUIManager;
 
-        /// <summary>
-        /// 获取PPT管理器实例
-        /// </summary>
-        public PPTManager PPTManager => _pptManager;
+        private bool IsUsingRotPptLink => Settings.PowerPointSettings.UseRotPptLink;
+
+        public IPPTLinkManager PPTManager => _pptManager;
         #endregion
 
         #region PPT Manager Initialization
@@ -120,11 +119,25 @@ namespace Ink_Canvas
         {
             try
             {
+                try
+                {
+                    _pptManager?.StopMonitoring();
+                }
+                catch
+                {
+                }
+
                 // 初始化长按定时器
                 InitializeLongPressTimer();
 
-                // 初始化PPT管理器
-                _pptManager = new PPTManager();
+                if (IsUsingRotPptLink)
+                {
+                    _pptManager = new PPTManager();
+                }
+                else
+                {
+                    _pptManager = new ComPPTManager();
+                }
                 _pptManager.IsSupportWPS = Settings.PowerPointSettings.IsSupportWPS;
 
                 // 注册事件