diff --git a/Bin/net40/SunnyUI.Demo.exe b/Bin/net40/SunnyUI.Demo.exe
index bd40b5b5..70390304 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 f6ab87fd..e6e7921e 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 cfb050fa..021f4cc1 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 0152cd59..a69033b3 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 09cf1a16..54add391 100644
Binary files a/Bin/netcoreapp3.1/SunnyUI.dll and b/Bin/netcoreapp3.1/SunnyUI.dll differ
diff --git a/SunnyUI.Demo/Controls/FCheckBox.Designer.cs b/SunnyUI.Demo/Controls/FCheckBox.Designer.cs
index 60a9fd23..e71a6158 100644
--- a/SunnyUI.Demo/Controls/FCheckBox.Designer.cs
+++ b/SunnyUI.Demo/Controls/FCheckBox.Designer.cs
@@ -70,6 +70,7 @@
             this.uiCheckBox1.Size = new System.Drawing.Size(150, 35);
             this.uiCheckBox1.TabIndex = 0;
             this.uiCheckBox1.Text = "uiCheckBox1";
+            this.uiCheckBox1.CheckedChanged += new System.EventHandler(this.uiCheckBox1_CheckedChanged);
             // 
             // uiLine1
             // 
@@ -146,6 +147,7 @@
             this.uiCheckBoxGroup1.Size = new System.Drawing.Size(670, 211);
             this.uiCheckBoxGroup1.TabIndex = 41;
             this.uiCheckBoxGroup1.Text = "UICheckBoxGroup";
+            this.uiCheckBoxGroup1.TextAlignment = System.Drawing.ContentAlignment.MiddleCenter;
             this.uiCheckBoxGroup1.ValueChanged += new Sunny.UI.UICheckBoxGroup.OnValueChanged(this.uiCheckBoxGroup1_ValueChanged);
             // 
             // uiButton1
@@ -210,7 +212,6 @@
             // 
             // FCheckBox
             // 
-            this.AutoScaleDimensions = new System.Drawing.SizeF(10F, 21F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
             this.ClientSize = new System.Drawing.Size(800, 556);
             this.Name = "FCheckBox";
diff --git a/SunnyUI.Demo/Controls/FCheckBox.cs b/SunnyUI.Demo/Controls/FCheckBox.cs
index d57ea35d..25eb989b 100644
--- a/SunnyUI.Demo/Controls/FCheckBox.cs
+++ b/SunnyUI.Demo/Controls/FCheckBox.cs
@@ -49,5 +49,10 @@ namespace Sunny.UI.Demo
         {
             uiCheckBoxGroup1.Clear();
         }
+
+        private void uiCheckBox1_CheckedChanged(object sender, EventArgs e)
+        {
+            Console.WriteLine(uiCheckBox1.Checked);
+        }
     }
 }
\ No newline at end of file
diff --git a/SunnyUI.Demo/Controls/FRadioButton.Designer.cs b/SunnyUI.Demo/Controls/FRadioButton.Designer.cs
index d591a0a6..d265462d 100644
--- a/SunnyUI.Demo/Controls/FRadioButton.Designer.cs
+++ b/SunnyUI.Demo/Controls/FRadioButton.Designer.cs
@@ -294,6 +294,7 @@
             this.uiRadioButton1.Size = new System.Drawing.Size(150, 35);
             this.uiRadioButton1.TabIndex = 45;
             this.uiRadioButton1.Text = "uiRadioButton1";
+            this.uiRadioButton1.CheckedChanged += new System.EventHandler(this.uiRadioButton1_CheckedChanged);
             // 
             // uiLine2
             // 
@@ -329,6 +330,7 @@
             this.uiRadioButtonGroup1.Size = new System.Drawing.Size(670, 173);
             this.uiRadioButtonGroup1.TabIndex = 63;
             this.uiRadioButtonGroup1.Text = "UIRadioButtonGroup";
+            this.uiRadioButtonGroup1.TextAlignment = System.Drawing.ContentAlignment.MiddleCenter;
             this.uiRadioButtonGroup1.ValueChanged += new Sunny.UI.UIRadioButtonGroup.OnValueChanged(this.uiRadioButtonGroup1_ValueChanged);
             // 
             // uiButton4
@@ -357,7 +359,6 @@
             // 
             // FRadioButton
             // 
-            this.AutoScaleDimensions = new System.Drawing.SizeF(10F, 21F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
             this.ClientSize = new System.Drawing.Size(800, 598);
             this.Name = "FRadioButton";
diff --git a/SunnyUI.Demo/Controls/FRadioButton.cs b/SunnyUI.Demo/Controls/FRadioButton.cs
index cbb0de1a..071e7712 100644
--- a/SunnyUI.Demo/Controls/FRadioButton.cs
+++ b/SunnyUI.Demo/Controls/FRadioButton.cs
@@ -30,5 +30,10 @@ namespace Sunny.UI.Demo
         {
             uiRadioButtonGroup1.SelectedIndex = 6;
         }
+
+        private void uiRadioButton1_CheckedChanged(object sender, EventArgs e)
+        {
+            Console.WriteLine(uiRadioButton1.Checked);
+        }
     }
 }
\ No newline at end of file
diff --git a/SunnyUI/Controls/UICheckBox.cs b/SunnyUI/Controls/UICheckBox.cs
index 32976103..8a1f5033 100644
--- a/SunnyUI/Controls/UICheckBox.cs
+++ b/SunnyUI/Controls/UICheckBox.cs
@@ -29,7 +29,7 @@ using System.Windows.Forms;
 
 namespace Sunny.UI
 {
-    [DefaultEvent("ValueChanged")]
+    [DefaultEvent("CheckedChanged")]
     [DefaultProperty("Checked")]
     [ToolboxItem(true)]
     public class UICheckBox : UIControl
@@ -37,7 +37,7 @@ namespace Sunny.UI
         public UICheckBox()
         {
             SetStyleFlags();
-            Cursor = Cursors.Hand;
+            base.Cursor = Cursors.Hand;
             ShowRect = false;
             Size = new Size(150, 29);
             foreColor = UIStyles.Blue.CheckBoxForeColor;
@@ -130,10 +130,13 @@ namespace Sunny.UI
             {
                 _checked = value;
                 ValueChanged?.Invoke(this, _checked);
+                CheckedChanged?.Invoke(this, new EventArgs());
                 Invalidate();
             }
         }
 
+        public event EventHandler CheckedChanged;
+
         protected override void OnPaintFore(Graphics g, GraphicsPath path)
         {
             //设置按钮标题位置
diff --git a/SunnyUI/Controls/UIRadioButton.cs b/SunnyUI/Controls/UIRadioButton.cs
index 058c6a8d..aa2f74c8 100644
--- a/SunnyUI/Controls/UIRadioButton.cs
+++ b/SunnyUI/Controls/UIRadioButton.cs
@@ -30,7 +30,7 @@ using System.Windows.Forms;
 
 namespace Sunny.UI
 {
-    [DefaultEvent("ValueChanged")]
+    [DefaultEvent("CheckedChanged")]
     [DefaultProperty("Checked")]
     [ToolboxItem(true)]
     public sealed class UIRadioButton : UIControl
@@ -39,6 +39,8 @@ namespace Sunny.UI
 
         public event OnValueChanged ValueChanged;
 
+        public event EventHandler CheckedChanged;
+
         public UIRadioButton()
         {
             SetStyleFlags();
@@ -150,6 +152,7 @@ namespace Sunny.UI
                 }
 
                 ValueChanged?.Invoke(this, _checked);
+                CheckedChanged?.Invoke(this, new EventArgs());
                 Invalidate();
             }
         }