diff --git a/Bin/net40/SunnyUI.dll b/Bin/net40/SunnyUI.dll
index 706cd5a4..b600291d 100644
Binary files a/Bin/net40/SunnyUI.dll and b/Bin/net40/SunnyUI.dll differ
diff --git a/Bin/net45/SunnyUI.dll b/Bin/net45/SunnyUI.dll
index c93bc43d..44ed84af 100644
Binary files a/Bin/net45/SunnyUI.dll and b/Bin/net45/SunnyUI.dll differ
diff --git a/Bin/net5.0-windows/SunnyUI.dll b/Bin/net5.0-windows/SunnyUI.dll
index 584f884c..ee3b0124 100644
Binary files a/Bin/net5.0-windows/SunnyUI.dll and b/Bin/net5.0-windows/SunnyUI.dll differ
diff --git a/Bin/net5.0-windows/ref/SunnyUI.dll b/Bin/net5.0-windows/ref/SunnyUI.dll
index eb78eb87..e17d03e2 100644
Binary files a/Bin/net5.0-windows/ref/SunnyUI.dll and b/Bin/net5.0-windows/ref/SunnyUI.dll differ
diff --git a/Bin/netcoreapp3.1/SunnyUI.dll b/Bin/netcoreapp3.1/SunnyUI.dll
index bdeee529..aa2f36d3 100644
Binary files a/Bin/netcoreapp3.1/SunnyUI.dll and b/Bin/netcoreapp3.1/SunnyUI.dll differ
diff --git a/SunnyUI/Forms/UIFormHelper.cs b/SunnyUI/Forms/UIFormHelper.cs
index 307fafce..8723f02c 100644
--- a/SunnyUI/Forms/UIFormHelper.cs
+++ b/SunnyUI/Forms/UIFormHelper.cs
@@ -619,5 +619,7 @@ namespace Sunny.UI
         bool RemovePage(int pageIndex);
 
         bool RemovePage(Guid guid);
+
+        void Feedback(object sender, int pageIndex, params object[] objects);
     }
 }
\ No newline at end of file
diff --git a/SunnyUI/Frames/UIMainFrame.cs b/SunnyUI/Frames/UIMainFrame.cs
index bd7573bb..c43f5e33 100644
--- a/SunnyUI/Frames/UIMainFrame.cs
+++ b/SunnyUI/Frames/UIMainFrame.cs
@@ -144,6 +144,11 @@ namespace Sunny.UI
             return MainTabControl.RemovePage(guid);
         }
 
+        public virtual void Feedback(object sender, int pageIndex, params object[] objects)
+        {
+
+        }
+
         #endregion IFrame实现
     }
 }
\ No newline at end of file