diff --git a/demo/Semi.Avalonia.Demo/Pages/HeaderedContentControlDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/HeaderedContentControlDemo.axaml
index d5c312b..07f7cfe 100644
--- a/demo/Semi.Avalonia.Demo/Pages/HeaderedContentControlDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/HeaderedContentControlDemo.axaml
@@ -6,7 +6,7 @@
              x:Class="Semi.Avalonia.Demo.Pages.HeaderedContentControlDemo">
     <ScrollViewer>
         <StackPanel HorizontalAlignment="Left" Spacing="20">
-            <HeaderedContentControl Theme="{DynamicResource GroupBox}" Header="Semi Design">
+            <HeaderedContentControl Theme="{DynamicResource GroupBox}" Header="Semi Design" Width="400" Height="200">
                 <TextBlock TextWrapping="Wrap">Semi Design 是由互娱社区前端团队与 UED 团队共同设计开发并维护的设计系统。设计系统包含设计语言以及一整套可复用的前端组件，帮助设计师与开发者更容易地打造高质量的、用户体验一致的、符合设计规范的 Web 应用。</TextBlock>
             </HeaderedContentControl>
         </StackPanel>
diff --git a/demo/Semi.Avalonia.Demo/Pages/LabelDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/LabelDemo.axaml
index 7fddd0b..e993eba 100644
--- a/demo/Semi.Avalonia.Demo/Pages/LabelDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/LabelDemo.axaml
@@ -23,6 +23,7 @@
                         </Style>
                     </StackPanel.Styles>
                     <HeaderedContentControl
+                        Width="400"
                         Height="400"
                         Margin="16"
                         VerticalAlignment="Top"
@@ -94,6 +95,7 @@
                         </Grid>
                     </HeaderedContentControl>
                     <HeaderedContentControl
+                        Width="400"
                         Height="400"
                         Margin="16"
                         VerticalAlignment="Top"
diff --git a/demo/Semi.Avalonia.Demo/Pages/TextBlockDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/TextBlockDemo.axaml
index 1125ce4..a5303cc 100644
--- a/demo/Semi.Avalonia.Demo/Pages/TextBlockDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/TextBlockDemo.axaml
@@ -16,6 +16,7 @@
                 </Style>
             </StackPanel.Styles>
             <HeaderedContentControl
+                Width="400"
                 Height="400"
                 Margin="16"
                 VerticalAlignment="Top"
@@ -95,6 +96,7 @@
                 </Grid>
             </HeaderedContentControl>
             <HeaderedContentControl
+                Width="400"
                 Height="400"
                 Margin="16"
                 VerticalAlignment="Top"
diff --git a/src/Semi.Avalonia/Controls/HeaderedContentControl.axaml b/src/Semi.Avalonia/Controls/HeaderedContentControl.axaml
index 918dc26..3a60806 100644
--- a/src/Semi.Avalonia/Controls/HeaderedContentControl.axaml
+++ b/src/Semi.Avalonia/Controls/HeaderedContentControl.axaml
@@ -7,8 +7,6 @@
         <Setter Property="BorderThickness" Value="1" />
         <Setter Property="BorderBrush" Value="{DynamicResource HeaderedContentControlDefaultBorderBrush}" />
         <Setter Property="CornerRadius" Value="{DynamicResource HeaderedContentControlCornerRadius}" />
-        <Setter Property="Width" Value="400" />
-        <Setter Property="Height" Value="200" />
         <Setter Property="HorizontalAlignment" Value="Stretch" />
         <Setter Property="HorizontalContentAlignment" Value="Left" />
         <Setter Property="VerticalContentAlignment" Value="Stretch" />
@@ -23,7 +21,7 @@
                     BorderBrush="{TemplateBinding BorderBrush}"
                     CornerRadius="{TemplateBinding CornerRadius}"
                     BorderThickness="{TemplateBinding BorderThickness}">
-                    <Grid RowDefinitions="Auto,Auto,*">
+                    <Grid RowDefinitions="Auto,Auto,Auto">
                         <ContentPresenter
                             Grid.Row="0"
                             FontWeight="Bold"