diff --git a/Bin/SunnyUI.dll b/Bin/SunnyUI.dll
index e1cdbef2..0b7a09cd 100644
Binary files a/Bin/SunnyUI.dll and b/Bin/SunnyUI.dll differ
diff --git a/Bin/SunnyUI.pdb b/Bin/SunnyUI.pdb
index b871e42a..49083564 100644
Binary files a/Bin/SunnyUI.pdb and b/Bin/SunnyUI.pdb differ
diff --git a/SunnyUI.Demo/Bin/SunnyUI.dll b/SunnyUI.Demo/Bin/SunnyUI.dll
index e1cdbef2..0b7a09cd 100644
Binary files a/SunnyUI.Demo/Bin/SunnyUI.dll and b/SunnyUI.Demo/Bin/SunnyUI.dll differ
diff --git a/SunnyUI/Controls/UICheckBox.cs b/SunnyUI/Controls/UICheckBox.cs
index 132ac909..bf0a1dbe 100644
--- a/SunnyUI/Controls/UICheckBox.cs
+++ b/SunnyUI/Controls/UICheckBox.cs
@@ -152,11 +152,12 @@ namespace Sunny.UI
 
         protected override void OnClick(EventArgs e)
         {
-            base.OnClick(e);
             if (!ReadOnly)
             {
                 Checked = !Checked;
             }
+
+            base.OnClick(e);
         }
 
         public override void SetStyleColor(UIBaseStyle uiColor)