diff --git a/DeedyDesigner/Deedy.Testing/WindowBorderTest.xaml b/DeedyDesigner/Deedy.Testing/WindowBorderTest.xaml
index 1ddc746..d291968 100644
--- a/DeedyDesigner/Deedy.Testing/WindowBorderTest.xaml
+++ b/DeedyDesigner/Deedy.Testing/WindowBorderTest.xaml
@@ -6,7 +6,7 @@
         xmlns:local="clr-namespace:Deedy.Testing"
         xmlns:deedy="clr-namespace:Deedy;assembly=Deedy.Wpf"
         mc:Ignorable="d"
-        Title="WindowHeaderTest" Height="450" Width="800" Foreground="White" FontSize="16" d:WindowStyle="None" Icon="/Icons/Icon.png">
+        Title="WindowHeaderTest" Height="450" Width="800" Foreground="White" d:WindowStyle="None" Icon="/Icons/Icon.png">
     <deedy:WindowBorder ButtonBase.Click="WindowBorder_Click" MenuItem.Click="WindowBorder_Click_1">
         <deedy:WindowBorder.Menu>
             <MenuItem Header="CustomMenu">
diff --git a/DeedyDesigner/Deedy.Wpf/WindowHeader.cs b/DeedyDesigner/Deedy.Wpf/WindowHeader.cs
index bc68eb1..4a576e3 100644
--- a/DeedyDesigner/Deedy.Wpf/WindowHeader.cs
+++ b/DeedyDesigner/Deedy.Wpf/WindowHeader.cs
@@ -24,7 +24,6 @@ namespace Deedy
         {
             DefaultStyleKeyProperty.OverrideMetadata(typeof(WindowHeader), new FrameworkPropertyMetadata(typeof(WindowHeader)));
             BackgroundProperty.OverrideMetadata(typeof(WindowHeader), new FrameworkPropertyMetadata(Brushes.DimGray));
-            FontSizeProperty.OverrideMetadata(typeof(WindowHeader), new FrameworkPropertyMetadata(16.0));
         }
         /// <summary>
         /// 悬停画刷