diff --git a/SunnyUI/Controls/UITabControl.cs b/SunnyUI/Controls/UITabControl.cs
index 7eefde51..b46742bb 100644
--- a/SunnyUI/Controls/UITabControl.cs
+++ b/SunnyUI/Controls/UITabControl.cs
@@ -261,9 +261,12 @@ namespace Sunny.UI
         public void AddPage(UIPage page)
         {
             Helper.AddPage(page);
-            Frame?.DealPageAdded(page);
+            PageAdded?.Invoke(this, new UIPageEventArgs(page));
         }
 
+        internal event OnUIPageChanged PageAdded;
+        internal event OnUIPageChanged PageRemoved;
+
         public void AddPage(int pageIndex, UITabControl page) => Helper.AddPage(pageIndex, page);
 
         public void AddPage(int pageIndex, UITabControlMenu page) => Helper.AddPage(pageIndex, page);
@@ -850,7 +853,7 @@ namespace Sunny.UI
             {
                 if (AutoClosePage)
                 {
-                    Frame?.DealPageRemoved(pages[i]);
+                    PageRemoved?.Invoke(this, new UIPageEventArgs(pages[i]));
 
                     try
                     {
diff --git a/SunnyUI/Forms/UIForm.cs b/SunnyUI/Forms/UIForm.cs
index bd0a50c5..424261f6 100644
--- a/SunnyUI/Forms/UIForm.cs
+++ b/SunnyUI/Forms/UIForm.cs
@@ -2115,6 +2115,9 @@ namespace Sunny.UI
             {
                 mainTabControl = value;
                 mainTabControl.Frame = this;
+
+                mainTabControl.PageAdded += DealPageAdded;
+                mainTabControl.PageRemoved += DealPageRemoved;
             }
         }
 
@@ -2141,6 +2144,7 @@ namespace Sunny.UI
 
             page.Frame = this;
             page.OnFrameDealPageParams += Page_OnFrameDealPageParams;
+            page.PageSelected += DealPageSelected;
             MainTabControl?.AddPage(page);
             return page;
         }
@@ -2246,21 +2250,21 @@ namespace Sunny.UI
 
         public event OnUIPageChanged PageAdded;
 
-        public void DealPageAdded(UIPage page)
+        internal void DealPageAdded(object sender, UIPageEventArgs e)
         {
-            PageAdded?.Invoke(this, new UIPageEventArgs(page));
+            PageAdded?.Invoke(this, e);
         }
 
         public event OnUIPageChanged PageSelected;
-        public void DealPageSelected(UIPage page)
+        internal void DealPageSelected(object sender, UIPageEventArgs e)
         {
-            PageSelected?.Invoke(this, new UIPageEventArgs(page));
+            PageSelected?.Invoke(this, e);
         }
 
         public event OnUIPageChanged PageRemoved;
-        public void DealPageRemoved(UIPage page)
+        internal void DealPageRemoved(object sender, UIPageEventArgs e)
         {
-            PageRemoved?.Invoke(this, new UIPageEventArgs(page));
+            PageRemoved?.Invoke(this, e);
         }
 
         #endregion IFrame实现
diff --git a/SunnyUI/Frames/IFrame.cs b/SunnyUI/Frames/IFrame.cs
index 46b5fa08..fcc8f492 100644
--- a/SunnyUI/Frames/IFrame.cs
+++ b/SunnyUI/Frames/IFrame.cs
@@ -59,12 +59,6 @@ namespace Sunny.UI
         T GetPage<T>() where T : UIPage;
 
         List<T> GetPages<T>() where T : UIPage;
-
-        void DealPageAdded(UIPage page);
-
-        void DealPageSelected(UIPage page);
-
-        void DealPageRemoved(UIPage page);
     }
 
     public class UIPageParamsArgs : EventArgs
diff --git a/SunnyUI/Frames/UIPage.cs b/SunnyUI/Frames/UIPage.cs
index 49070657..a0572152 100644
--- a/SunnyUI/Frames/UIPage.cs
+++ b/SunnyUI/Frames/UIPage.cs
@@ -455,10 +455,11 @@ namespace Sunny.UI
             get; set;
         }
 
+        internal event OnUIPageChanged PageSelected;
         public virtual void Init()
         {
             Initialize?.Invoke(this, new EventArgs());
-            Frame?.DealPageSelected(this);
+            PageSelected?.Invoke(this, new UIPageEventArgs(this));
         }
 
         protected override void OnLoad(EventArgs e)