diff --git a/Bin/net40/SunnyUI.dll b/Bin/net40/SunnyUI.dll
index ee504e39..12d4e449 100644
Binary files a/Bin/net40/SunnyUI.dll and b/Bin/net40/SunnyUI.dll differ
diff --git a/SunnyUI/Forms/UIForm.cs b/SunnyUI/Forms/UIForm.cs
index 8bf4b61d..c37f671f 100644
--- a/SunnyUI/Forms/UIForm.cs
+++ b/SunnyUI/Forms/UIForm.cs
@@ -1974,6 +1974,17 @@ namespace Sunny.UI
             return MainTabControl?.GetPage(guid);
         }
 
+        public virtual bool ExistPage(int pageIndex)
+        {
+            return GetPage(pageIndex) != null;
+        }
+
+        public virtual bool ExistPage(Guid guid)
+        {
+            return GetPage(guid) != null;
+        }
+
+
         #endregion IFrame实现
     }
 }
\ No newline at end of file
diff --git a/SunnyUI/Frames/IFrame.cs b/SunnyUI/Frames/IFrame.cs
index bba0bf25..52629366 100644
--- a/SunnyUI/Frames/IFrame.cs
+++ b/SunnyUI/Frames/IFrame.cs
@@ -48,5 +48,9 @@ namespace Sunny.UI
         bool RemovePage(Guid guid);
 
         void Feedback(object sender, int pageIndex, params object[] objects);
+
+        bool ExistPage(int index);
+
+        bool ExistPage(Guid guid);
     }
 }