diff --git a/Bin/net40/SunnyUI.Demo.exe b/Bin/net40/SunnyUI.Demo.exe
index 86788d3d..e2105d1c 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 6f974ac9..ae794e89 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 1f63b889..66c6b586 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 9a153efd..de071e0a 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 e11f0006..d3bfa415 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 daca6d1e..0fb48dfc 100644
Binary files a/Bin/netcoreapp3.1/SunnyUI.dll and b/Bin/netcoreapp3.1/SunnyUI.dll differ
diff --git a/SunnyUI/Controls/UITreeView.cs b/SunnyUI/Controls/UITreeView.cs
index 48688304..8dcedea6 100644
--- a/SunnyUI/Controls/UITreeView.cs
+++ b/SunnyUI/Controls/UITreeView.cs
@@ -58,6 +58,42 @@ namespace Sunny.UI
             view.AfterSelect += View_AfterSelect;
             view.NodeMouseClick += View_NodeMouseClick;
             view.NodeMouseDoubleClick += View_NodeMouseDoubleClick;
+            view.MouseUp += View_MouseUp;
+            view.MouseDown += View_MouseDown;
+            view.MouseMove += View_MouseMove;
+            view.MouseEnter += View_MouseEnter;
+            view.MouseLeave += View_MouseLeave;
+        }
+
+        public new EventHandler MouseLeave;
+        public new EventHandler MouseEnter;
+        public new MouseEventHandler MouseMove;
+        public new MouseEventHandler MouseDown;
+        public new MouseEventHandler MouseUp;
+
+        private void View_MouseLeave(object sender, EventArgs e)
+        {
+            MouseLeave?.Invoke(this, e);
+        }
+
+        private void View_MouseEnter(object sender, EventArgs e)
+        {
+            MouseEnter?.Invoke(this, e);
+        }
+
+        private void View_MouseMove(object sender, MouseEventArgs e)
+        {
+            MouseMove?.Invoke(this, e);
+        }
+
+        private void View_MouseDown(object sender, MouseEventArgs e)
+        {
+            MouseDown?.Invoke(this, e);
+        }
+
+        private void View_MouseUp(object sender, MouseEventArgs e)
+        {
+            MouseUp?.Invoke(this, e);
         }
 
         [Browsable(false)]