diff --git a/.gitignore b/.gitignore
index 516d9be6..c7c5b3d2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -214,6 +214,9 @@ _pkginfo.txt
 
 # Others
 ClientBin/
+[Bb]in/net462/
+[Bb]in/net5.0-windows/
+[Bb]in/netcoreapp3.1/
 ~$*
 *~
 *.dbmdl
diff --git a/Bin/net40/SunnyUI.Demo.exe b/Bin/net40/SunnyUI.Demo.exe
index 74bc891c..003e9b33 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 cc4fb350..9155a8c0 100644
Binary files a/Bin/net40/SunnyUI.dll and b/Bin/net40/SunnyUI.dll differ
diff --git a/Bin/net462/SunnyUI.dll b/Bin/net462/SunnyUI.dll
index 8c1b539a..5843031e 100644
Binary files a/Bin/net462/SunnyUI.dll and b/Bin/net462/SunnyUI.dll differ
diff --git a/Bin/net5.0-windows/SunnyUI.dll b/Bin/net5.0-windows/SunnyUI.dll
index 1e8acece..d558a6a1 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 5633667f..d15a6ee3 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 d5880e0b..e2716dc8 100644
Binary files a/Bin/netcoreapp3.1/SunnyUI.dll and b/Bin/netcoreapp3.1/SunnyUI.dll differ
diff --git a/SunnyUI/Controls/UIComboBox.cs b/SunnyUI/Controls/UIComboBox.cs
index ac245311..5c6bd112 100644
--- a/SunnyUI/Controls/UIComboBox.cs
+++ b/SunnyUI/Controls/UIComboBox.cs
@@ -100,7 +100,7 @@ namespace Sunny.UI
             edit.Text = "";
         }
 
-        public new EventHandler TextChanged;
+        public new event EventHandler TextChanged;
 
         private void Edit_TextChanged(object sender, EventArgs e)
         {
diff --git a/SunnyUI/Controls/UIListBox.cs b/SunnyUI/Controls/UIListBox.cs
index 185a68e1..47ea197e 100644
--- a/SunnyUI/Controls/UIListBox.cs
+++ b/SunnyUI/Controls/UIListBox.cs
@@ -95,8 +95,8 @@ namespace Sunny.UI
             timer?.Dispose();
         }
 
-        public new EventHandler MouseLeave;
-        public new EventHandler MouseEnter;
+        public new event EventHandler MouseLeave;
+        public new event EventHandler MouseEnter;
         public new event KeyPressEventHandler KeyPress;
         public new event KeyEventHandler KeyDown;
         public new event KeyEventHandler KeyUp;
diff --git a/SunnyUI/Controls/UITextBox.cs b/SunnyUI/Controls/UITextBox.cs
index 4ce8a5ef..bbd83c19 100644
--- a/SunnyUI/Controls/UITextBox.cs
+++ b/SunnyUI/Controls/UITextBox.cs
@@ -111,10 +111,6 @@ namespace Sunny.UI
             MouseDown?.Invoke(this, e);
         }
 
-        public new event MouseEventHandler MouseDown;
-        public new event MouseEventHandler MouseUp;
-        public new event MouseEventHandler MouseMove;
-
         private void Edit_MouseLeave(object sender, EventArgs e)
         {
             MouseLeave?.Invoke(this, e);
@@ -140,11 +136,22 @@ namespace Sunny.UI
             Validating?.Invoke(this, e);
         }
 
-        public new EventHandler GotFocus;
-        public new EventHandler LostFocus;
-        public new CancelEventHandler Validating;
+        public new event MouseEventHandler MouseDown;
+        public new event MouseEventHandler MouseUp;
+        public new event MouseEventHandler MouseMove;
+        public new event EventHandler GotFocus;
+        public new event EventHandler LostFocus;
+        public new event CancelEventHandler Validating;
         public new event EventHandler Validated;
-        public new EventHandler MouseLeave;
+        public new event EventHandler MouseLeave;
+        public new event EventHandler DoubleClick;
+        public new event EventHandler Click;
+        [Browsable(true)]
+        public new event EventHandler TextChanged;
+        public new event KeyEventHandler KeyDown;
+        public new event KeyEventHandler KeyUp;
+        public new event KeyPressEventHandler KeyPress;
+        public new event EventHandler Leave;
 
         private void Edit_Validated(object sender, EventArgs e)
         {
@@ -203,8 +210,7 @@ namespace Sunny.UI
             DoubleClick?.Invoke(this, e);
         }
 
-        public new event EventHandler DoubleClick;
-        public new event EventHandler Click;
+
 
         private void Edit_Click(object sender, EventArgs e)
         {
@@ -380,17 +386,6 @@ namespace Sunny.UI
             edit.CheckMaxMin();
         }
 
-        [Browsable(true)]
-        public new event EventHandler TextChanged;
-
-        public new event KeyEventHandler KeyDown;
-
-        public new event KeyEventHandler KeyUp;
-
-        public new event KeyPressEventHandler KeyPress;
-
-        public new event EventHandler Leave;
-
         private void Edit_TextChanged(object s, EventArgs e)
         {
             TextChanged?.Invoke(this, e);
diff --git a/SunnyUI/Controls/UITreeView.cs b/SunnyUI/Controls/UITreeView.cs
index 86abbea7..6fa36bbd 100644
--- a/SunnyUI/Controls/UITreeView.cs
+++ b/SunnyUI/Controls/UITreeView.cs
@@ -71,6 +71,12 @@ namespace Sunny.UI
             view.KeyPress += View_KeyPress;
             view.KeyDown += View_KeyDown;
             view.KeyUp += View_KeyUp;
+            view.AfterLabelEdit += View_AfterLabelEdit;
+        }
+
+        private void View_AfterLabelEdit(object sender, NodeLabelEditEventArgs e)
+        {
+            AfterLabelEdit?.Invoke(this, e);
         }
 
         public Control ExToolTipControl()
@@ -78,11 +84,12 @@ namespace Sunny.UI
             return view;
         }
 
-        public new EventHandler MouseLeave;
-        public new EventHandler MouseEnter;
-        public new MouseEventHandler MouseMove;
-        public new MouseEventHandler MouseDown;
-        public new MouseEventHandler MouseUp;
+        public event NodeLabelEditEventHandler AfterLabelEdit;
+        public new event EventHandler MouseLeave;
+        public new event EventHandler MouseEnter;
+        public new event MouseEventHandler MouseMove;
+        public new event MouseEventHandler MouseDown;
+        public new event MouseEventHandler MouseUp;
         public new event KeyPressEventHandler KeyPress;
         public new event KeyEventHandler KeyDown;
         public new event KeyEventHandler KeyUp;