diff --git a/Bin/net40/SunnyUI.Demo.exe b/Bin/net40/SunnyUI.Demo.exe
index 03d9e9fc..c17d77b9 100644
Binary files a/Bin/net40/SunnyUI.Demo.exe and b/Bin/net40/SunnyUI.Demo.exe differ
diff --git a/Bin/net40/SunnyUI.dll b/Bin/net40/SunnyUI.dll
index ca3bf89d..c3c9a552 100644
Binary files a/Bin/net40/SunnyUI.dll and b/Bin/net40/SunnyUI.dll differ
diff --git a/Bin/net5.0-windows/SunnyUI.dll b/Bin/net5.0-windows/SunnyUI.dll
index e21a57b6..dca1ef2b 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 313b442f..f2e7cfb2 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 9a393f16..32f3fdc2 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 95015e7b..d31c0f05 100644
--- a/SunnyUI/Forms/UIFormHelper.cs
+++ b/SunnyUI/Forms/UIFormHelper.cs
@@ -20,6 +20,7 @@
  * 2020-05-05: V2.2.5 增加下拉选择框，进度提升窗体
 ******************************************************************************/
 
+using System;
 using System.Collections;
 using System.Drawing;
 using System.Windows.Forms;
@@ -602,6 +603,14 @@ namespace Sunny.UI
 
     public interface IFrame
     {
+        UITabControl MainTabControl { get; }
+
+        UIPage AddPage(UIPage page, int index);
+
+        UIPage AddPage(UIPage page, Guid guid);
+
+        UIPage AddPage(UIPage page);
+
         void SelectPage(int pageIndex);
     }
 }
\ No newline at end of file
diff --git a/SunnyUI/Frames/UIMainFrame.cs b/SunnyUI/Frames/UIMainFrame.cs
index 02d56a52..5db8f787 100644
--- a/SunnyUI/Frames/UIMainFrame.cs
+++ b/SunnyUI/Frames/UIMainFrame.cs
@@ -68,36 +68,6 @@ namespace Sunny.UI
             base.OnShown(e);
         }
 
-        public UIPage AddPage(UIPage page, int index)
-        {
-            page.Frame = this;
-            page.PageIndex = index;
-            MainContainer.AddPage(page);
-            return page;
-        }
-
-        public UIPage AddPage(UIPage page, Guid guid)
-        {
-            page.Frame = this;
-            page.PageGuid = guid;
-            MainContainer.AddPage(page);
-            return page;
-        }
-
-        public UIPage AddPage(UIPage page)
-        {
-            page.Frame = this;
-            MainContainer.AddPage(page);
-            return page;
-        }
-
-        public virtual void SelectPage(int pageIndex)
-        {
-            MainContainer.SelectPage(pageIndex);
-        }
-
-        protected UITabControl MainTabControl => MainContainer;
-
         public bool TabVisible
         {
             get => MainContainer.TabVisible;
@@ -129,5 +99,36 @@ namespace Sunny.UI
 
         [Description("页面选择事件"), Category("SunnyUI")]
         public event OnSelecting Selecting;
+
+        #region IFrame实现
+
+        [Browsable(false)]
+        public UITabControl MainTabControl => MainContainer;
+
+        public UIPage AddPage(UIPage page, int index)
+        {
+            page.PageIndex = index;
+            return AddPage(page);
+        }
+
+        public UIPage AddPage(UIPage page, Guid guid)
+        {
+            page.PageGuid = guid;
+            return AddPage(page); ;
+        }
+
+        public UIPage AddPage(UIPage page)
+        {
+            page.Frame = this;
+            MainTabControl.AddPage(page);
+            return page;
+        }
+
+        public virtual void SelectPage(int pageIndex)
+        {
+            MainTabControl.SelectPage(pageIndex);
+        }
+
+        #endregion IFrame实现
     }
 }
\ No newline at end of file