diff --git a/Ink Canvas/Helpers/ROTPPTManager.cs b/Ink Canvas/Helpers/ROTPPTManager.cs
index 4044058a..82326f4b 100644
--- a/Ink Canvas/Helpers/ROTPPTManager.cs	
+++ b/Ink Canvas/Helpers/ROTPPTManager.cs	
@@ -1214,6 +1214,7 @@ namespace Ink_Canvas.Helpers
                                     }
 
                                     _bindingEvents = true;
+                                    _forcePolling = false;
 
                                     LogHelper.WriteLogToFile("PPT事件注册成功", LogHelper.LogType.Trace);
                                 }
@@ -1244,9 +1245,6 @@ namespace Ink_Canvas.Helpers
                         LogHelper.WriteLogToFile($"无法注册事件: {ex.Message}", LogHelper.LogType.Warning);
                     }
 
-                    _bindingEvents = false;
-                    _forcePolling = true;
-
                     if (_pptActivePresentation != null)
                     {
                         UpdateCurrentPresentationInfo();