diff --git a/Bin/SunnyUI.Demo.exe b/Bin/SunnyUI.Demo.exe
index f3c7e6e7..2d34344b 100644
Binary files a/Bin/SunnyUI.Demo.exe and b/Bin/SunnyUI.Demo.exe differ
diff --git a/Bin/SunnyUI.dll b/Bin/SunnyUI.dll
index a4c19b8b..67ff38bf 100644
Binary files a/Bin/SunnyUI.dll and b/Bin/SunnyUI.dll differ
diff --git a/SunnyUI.Demo/Controls/FCombobox.Designer.cs b/SunnyUI.Demo/Controls/FCombobox.Designer.cs
index 7e8f60be..6c0bcaf1 100644
--- a/SunnyUI.Demo/Controls/FCombobox.Designer.cs
+++ b/SunnyUI.Demo/Controls/FCombobox.Designer.cs
@@ -28,54 +28,54 @@
         /// </summary>
         private void InitializeComponent()
         {
-            System.Windows.Forms.TreeNode treeNode29 = new System.Windows.Forms.TreeNode("节点0");
-            System.Windows.Forms.TreeNode treeNode30 = new System.Windows.Forms.TreeNode("节点1");
-            System.Windows.Forms.TreeNode treeNode31 = new System.Windows.Forms.TreeNode("节点2");
-            System.Windows.Forms.TreeNode treeNode32 = new System.Windows.Forms.TreeNode("节点3");
-            System.Windows.Forms.TreeNode treeNode25 = new System.Windows.Forms.TreeNode("节点0");
-            System.Windows.Forms.TreeNode treeNode26 = new System.Windows.Forms.TreeNode("节点1");
-            System.Windows.Forms.TreeNode treeNode27 = new System.Windows.Forms.TreeNode("节点2");
-            System.Windows.Forms.TreeNode treeNode28 = new System.Windows.Forms.TreeNode("节点3");
-            System.Windows.Forms.TreeNode treeNode1 = new System.Windows.Forms.TreeNode("节点0");
-            System.Windows.Forms.TreeNode treeNode2 = new System.Windows.Forms.TreeNode("节点1");
-            System.Windows.Forms.TreeNode treeNode3 = new System.Windows.Forms.TreeNode("节点2");
-            System.Windows.Forms.TreeNode treeNode4 = new System.Windows.Forms.TreeNode("节点3");
-            System.Windows.Forms.TreeNode treeNode5 = new System.Windows.Forms.TreeNode("节点0", new System.Windows.Forms.TreeNode[] {
-            treeNode1,
-            treeNode2,
-            treeNode3,
-            treeNode4});
-            System.Windows.Forms.TreeNode treeNode6 = new System.Windows.Forms.TreeNode("节点4");
-            System.Windows.Forms.TreeNode treeNode7 = new System.Windows.Forms.TreeNode("节点5");
-            System.Windows.Forms.TreeNode treeNode8 = new System.Windows.Forms.TreeNode("节点6");
-            System.Windows.Forms.TreeNode treeNode9 = new System.Windows.Forms.TreeNode("节点7");
-            System.Windows.Forms.TreeNode treeNode10 = new System.Windows.Forms.TreeNode("节点1", new System.Windows.Forms.TreeNode[] {
-            treeNode6,
-            treeNode7,
-            treeNode8,
-            treeNode9});
-            System.Windows.Forms.TreeNode treeNode11 = new System.Windows.Forms.TreeNode("节点2");
-            System.Windows.Forms.TreeNode treeNode12 = new System.Windows.Forms.TreeNode("节点3");
-            System.Windows.Forms.TreeNode treeNode13 = new System.Windows.Forms.TreeNode("节点0");
-            System.Windows.Forms.TreeNode treeNode14 = new System.Windows.Forms.TreeNode("节点1");
-            System.Windows.Forms.TreeNode treeNode15 = new System.Windows.Forms.TreeNode("节点2");
-            System.Windows.Forms.TreeNode treeNode16 = new System.Windows.Forms.TreeNode("节点3");
-            System.Windows.Forms.TreeNode treeNode17 = new System.Windows.Forms.TreeNode("节点0", new System.Windows.Forms.TreeNode[] {
-            treeNode13,
-            treeNode14,
-            treeNode15,
-            treeNode16});
-            System.Windows.Forms.TreeNode treeNode18 = new System.Windows.Forms.TreeNode("节点4");
-            System.Windows.Forms.TreeNode treeNode19 = new System.Windows.Forms.TreeNode("节点5");
-            System.Windows.Forms.TreeNode treeNode20 = new System.Windows.Forms.TreeNode("节点6");
-            System.Windows.Forms.TreeNode treeNode21 = new System.Windows.Forms.TreeNode("节点7");
-            System.Windows.Forms.TreeNode treeNode22 = new System.Windows.Forms.TreeNode("节点1", new System.Windows.Forms.TreeNode[] {
-            treeNode18,
-            treeNode19,
-            treeNode20,
-            treeNode21});
-            System.Windows.Forms.TreeNode treeNode23 = new System.Windows.Forms.TreeNode("节点2");
-            System.Windows.Forms.TreeNode treeNode24 = new System.Windows.Forms.TreeNode("节点3");
+            System.Windows.Forms.TreeNode treeNode61 = new System.Windows.Forms.TreeNode("节点0");
+            System.Windows.Forms.TreeNode treeNode62 = new System.Windows.Forms.TreeNode("节点1");
+            System.Windows.Forms.TreeNode treeNode63 = new System.Windows.Forms.TreeNode("节点2");
+            System.Windows.Forms.TreeNode treeNode64 = new System.Windows.Forms.TreeNode("节点3");
+            System.Windows.Forms.TreeNode treeNode57 = new System.Windows.Forms.TreeNode("节点0");
+            System.Windows.Forms.TreeNode treeNode58 = new System.Windows.Forms.TreeNode("节点1");
+            System.Windows.Forms.TreeNode treeNode59 = new System.Windows.Forms.TreeNode("节点2");
+            System.Windows.Forms.TreeNode treeNode60 = new System.Windows.Forms.TreeNode("节点3");
+            System.Windows.Forms.TreeNode treeNode33 = new System.Windows.Forms.TreeNode("节点0");
+            System.Windows.Forms.TreeNode treeNode34 = new System.Windows.Forms.TreeNode("节点1");
+            System.Windows.Forms.TreeNode treeNode35 = new System.Windows.Forms.TreeNode("节点2");
+            System.Windows.Forms.TreeNode treeNode36 = new System.Windows.Forms.TreeNode("节点3");
+            System.Windows.Forms.TreeNode treeNode37 = new System.Windows.Forms.TreeNode("节点0", new System.Windows.Forms.TreeNode[] {
+            treeNode33,
+            treeNode34,
+            treeNode35,
+            treeNode36});
+            System.Windows.Forms.TreeNode treeNode38 = new System.Windows.Forms.TreeNode("节点4");
+            System.Windows.Forms.TreeNode treeNode39 = new System.Windows.Forms.TreeNode("节点5");
+            System.Windows.Forms.TreeNode treeNode40 = new System.Windows.Forms.TreeNode("节点6");
+            System.Windows.Forms.TreeNode treeNode41 = new System.Windows.Forms.TreeNode("节点7");
+            System.Windows.Forms.TreeNode treeNode42 = new System.Windows.Forms.TreeNode("节点1", new System.Windows.Forms.TreeNode[] {
+            treeNode38,
+            treeNode39,
+            treeNode40,
+            treeNode41});
+            System.Windows.Forms.TreeNode treeNode43 = new System.Windows.Forms.TreeNode("节点2");
+            System.Windows.Forms.TreeNode treeNode44 = new System.Windows.Forms.TreeNode("节点3");
+            System.Windows.Forms.TreeNode treeNode45 = new System.Windows.Forms.TreeNode("节点0");
+            System.Windows.Forms.TreeNode treeNode46 = new System.Windows.Forms.TreeNode("节点1");
+            System.Windows.Forms.TreeNode treeNode47 = new System.Windows.Forms.TreeNode("节点2");
+            System.Windows.Forms.TreeNode treeNode48 = new System.Windows.Forms.TreeNode("节点3");
+            System.Windows.Forms.TreeNode treeNode49 = new System.Windows.Forms.TreeNode("节点0", new System.Windows.Forms.TreeNode[] {
+            treeNode45,
+            treeNode46,
+            treeNode47,
+            treeNode48});
+            System.Windows.Forms.TreeNode treeNode50 = new System.Windows.Forms.TreeNode("节点4");
+            System.Windows.Forms.TreeNode treeNode51 = new System.Windows.Forms.TreeNode("节点5");
+            System.Windows.Forms.TreeNode treeNode52 = new System.Windows.Forms.TreeNode("节点6");
+            System.Windows.Forms.TreeNode treeNode53 = new System.Windows.Forms.TreeNode("节点7");
+            System.Windows.Forms.TreeNode treeNode54 = new System.Windows.Forms.TreeNode("节点1", new System.Windows.Forms.TreeNode[] {
+            treeNode50,
+            treeNode51,
+            treeNode52,
+            treeNode53});
+            System.Windows.Forms.TreeNode treeNode55 = new System.Windows.Forms.TreeNode("节点2");
+            System.Windows.Forms.TreeNode treeNode56 = new System.Windows.Forms.TreeNode("节点3");
             this.uiLine8 = new Sunny.UI.UILine();
             this.uiDatetimePicker1 = new Sunny.UI.UIDatetimePicker();
             this.uiColorPicker1 = new Sunny.UI.UIColorPicker();
@@ -294,19 +294,19 @@
             this.uiComboTreeView1.Margin = new System.Windows.Forms.Padding(4, 5, 4, 5);
             this.uiComboTreeView1.MinimumSize = new System.Drawing.Size(63, 0);
             this.uiComboTreeView1.Name = "uiComboTreeView1";
-            treeNode29.Name = "节点0";
-            treeNode29.Text = "节点0";
-            treeNode30.Name = "节点1";
-            treeNode30.Text = "节点1";
-            treeNode31.Name = "节点2";
-            treeNode31.Text = "节点2";
-            treeNode32.Name = "节点3";
-            treeNode32.Text = "节点3";
+            treeNode61.Name = "节点0";
+            treeNode61.Text = "节点0";
+            treeNode62.Name = "节点1";
+            treeNode62.Text = "节点1";
+            treeNode63.Name = "节点2";
+            treeNode63.Text = "节点2";
+            treeNode64.Name = "节点3";
+            treeNode64.Text = "节点3";
             this.uiComboTreeView1.Nodes.AddRange(new System.Windows.Forms.TreeNode[] {
-            treeNode29,
-            treeNode30,
-            treeNode31,
-            treeNode32});
+            treeNode61,
+            treeNode62,
+            treeNode63,
+            treeNode64});
             this.uiComboTreeView1.Padding = new System.Windows.Forms.Padding(0, 0, 30, 2);
             this.uiComboTreeView1.Size = new System.Drawing.Size(150, 29);
             this.uiComboTreeView1.TabIndex = 43;
@@ -334,19 +334,19 @@
             this.uiComboTreeView2.Margin = new System.Windows.Forms.Padding(4, 5, 4, 5);
             this.uiComboTreeView2.MinimumSize = new System.Drawing.Size(63, 0);
             this.uiComboTreeView2.Name = "uiComboTreeView2";
-            treeNode25.Name = "节点0";
-            treeNode25.Text = "节点0";
-            treeNode26.Name = "节点1";
-            treeNode26.Text = "节点1";
-            treeNode27.Name = "节点2";
-            treeNode27.Text = "节点2";
-            treeNode28.Name = "节点3";
-            treeNode28.Text = "节点3";
+            treeNode57.Name = "节点0";
+            treeNode57.Text = "节点0";
+            treeNode58.Name = "节点1";
+            treeNode58.Text = "节点1";
+            treeNode59.Name = "节点2";
+            treeNode59.Text = "节点2";
+            treeNode60.Name = "节点3";
+            treeNode60.Text = "节点3";
             this.uiComboTreeView2.Nodes.AddRange(new System.Windows.Forms.TreeNode[] {
-            treeNode25,
-            treeNode26,
-            treeNode27,
-            treeNode28});
+            treeNode57,
+            treeNode58,
+            treeNode59,
+            treeNode60});
             this.uiComboTreeView2.Padding = new System.Windows.Forms.Padding(0, 0, 30, 2);
             this.uiComboTreeView2.Size = new System.Drawing.Size(150, 29);
             this.uiComboTreeView2.TabIndex = 46;
@@ -363,35 +363,35 @@
             this.uiComboTreeView3.Margin = new System.Windows.Forms.Padding(4, 5, 4, 5);
             this.uiComboTreeView3.MinimumSize = new System.Drawing.Size(63, 0);
             this.uiComboTreeView3.Name = "uiComboTreeView3";
-            treeNode1.Name = "节点0";
-            treeNode1.Text = "节点0";
-            treeNode2.Name = "节点1";
-            treeNode2.Text = "节点1";
-            treeNode3.Name = "节点2";
-            treeNode3.Text = "节点2";
-            treeNode4.Name = "节点3";
-            treeNode4.Text = "节点3";
-            treeNode5.Name = "节点0";
-            treeNode5.Text = "节点0";
-            treeNode6.Name = "节点4";
-            treeNode6.Text = "节点4";
-            treeNode7.Name = "节点5";
-            treeNode7.Text = "节点5";
-            treeNode8.Name = "节点6";
-            treeNode8.Text = "节点6";
-            treeNode9.Name = "节点7";
-            treeNode9.Text = "节点7";
-            treeNode10.Name = "节点1";
-            treeNode10.Text = "节点1";
-            treeNode11.Name = "节点2";
-            treeNode11.Text = "节点2";
-            treeNode12.Name = "节点3";
-            treeNode12.Text = "节点3";
+            treeNode33.Name = "节点0";
+            treeNode33.Text = "节点0";
+            treeNode34.Name = "节点1";
+            treeNode34.Text = "节点1";
+            treeNode35.Name = "节点2";
+            treeNode35.Text = "节点2";
+            treeNode36.Name = "节点3";
+            treeNode36.Text = "节点3";
+            treeNode37.Name = "节点0";
+            treeNode37.Text = "节点0";
+            treeNode38.Name = "节点4";
+            treeNode38.Text = "节点4";
+            treeNode39.Name = "节点5";
+            treeNode39.Text = "节点5";
+            treeNode40.Name = "节点6";
+            treeNode40.Text = "节点6";
+            treeNode41.Name = "节点7";
+            treeNode41.Text = "节点7";
+            treeNode42.Name = "节点1";
+            treeNode42.Text = "节点1";
+            treeNode43.Name = "节点2";
+            treeNode43.Text = "节点2";
+            treeNode44.Name = "节点3";
+            treeNode44.Text = "节点3";
             this.uiComboTreeView3.Nodes.AddRange(new System.Windows.Forms.TreeNode[] {
-            treeNode5,
-            treeNode10,
-            treeNode11,
-            treeNode12});
+            treeNode37,
+            treeNode42,
+            treeNode43,
+            treeNode44});
             this.uiComboTreeView3.Padding = new System.Windows.Forms.Padding(0, 0, 30, 2);
             this.uiComboTreeView3.ShowLines = true;
             this.uiComboTreeView3.Size = new System.Drawing.Size(150, 29);
@@ -407,35 +407,35 @@
             this.uiComboTreeView4.Margin = new System.Windows.Forms.Padding(4, 5, 4, 5);
             this.uiComboTreeView4.MinimumSize = new System.Drawing.Size(63, 0);
             this.uiComboTreeView4.Name = "uiComboTreeView4";
-            treeNode13.Name = "节点0";
-            treeNode13.Text = "节点0";
-            treeNode14.Name = "节点1";
-            treeNode14.Text = "节点1";
-            treeNode15.Name = "节点2";
-            treeNode15.Text = "节点2";
-            treeNode16.Name = "节点3";
-            treeNode16.Text = "节点3";
-            treeNode17.Name = "节点0";
-            treeNode17.Text = "节点0";
-            treeNode18.Name = "节点4";
-            treeNode18.Text = "节点4";
-            treeNode19.Name = "节点5";
-            treeNode19.Text = "节点5";
-            treeNode20.Name = "节点6";
-            treeNode20.Text = "节点6";
-            treeNode21.Name = "节点7";
-            treeNode21.Text = "节点7";
-            treeNode22.Name = "节点1";
-            treeNode22.Text = "节点1";
-            treeNode23.Name = "节点2";
-            treeNode23.Text = "节点2";
-            treeNode24.Name = "节点3";
-            treeNode24.Text = "节点3";
+            treeNode45.Name = "节点0";
+            treeNode45.Text = "节点0";
+            treeNode46.Name = "节点1";
+            treeNode46.Text = "节点1";
+            treeNode47.Name = "节点2";
+            treeNode47.Text = "节点2";
+            treeNode48.Name = "节点3";
+            treeNode48.Text = "节点3";
+            treeNode49.Name = "节点0";
+            treeNode49.Text = "节点0";
+            treeNode50.Name = "节点4";
+            treeNode50.Text = "节点4";
+            treeNode51.Name = "节点5";
+            treeNode51.Text = "节点5";
+            treeNode52.Name = "节点6";
+            treeNode52.Text = "节点6";
+            treeNode53.Name = "节点7";
+            treeNode53.Text = "节点7";
+            treeNode54.Name = "节点1";
+            treeNode54.Text = "节点1";
+            treeNode55.Name = "节点2";
+            treeNode55.Text = "节点2";
+            treeNode56.Name = "节点3";
+            treeNode56.Text = "节点3";
             this.uiComboTreeView4.Nodes.AddRange(new System.Windows.Forms.TreeNode[] {
-            treeNode17,
-            treeNode22,
-            treeNode23,
-            treeNode24});
+            treeNode49,
+            treeNode54,
+            treeNode55,
+            treeNode56});
             this.uiComboTreeView4.Padding = new System.Windows.Forms.Padding(0, 0, 30, 2);
             this.uiComboTreeView4.ShowLines = true;
             this.uiComboTreeView4.Size = new System.Drawing.Size(150, 29);
diff --git a/SunnyUI/Controls/UIPanel.cs b/SunnyUI/Controls/UIPanel.cs
index 91ffd279..6ea3c8e2 100644
--- a/SunnyUI/Controls/UIPanel.cs
+++ b/SunnyUI/Controls/UIPanel.cs
@@ -451,13 +451,13 @@ namespace Sunny.UI
                 g.FillPath(color, path);
         }
 
-        protected override void WndProc(ref Message m)
-        {
-            if (m.Msg != 20)
-            {
-                base.WndProc(ref m);
-            }
-        }
+        // protected override void WndProc(ref Message m)
+        // {
+        //     if (m.Msg != 20)
+        //     {
+        //         base.WndProc(ref m);
+        //     }
+        // }
 
         protected virtual void AfterSetFillColor(Color color)
         {