diff --git a/src/Ursa.Themes.Semi/Controls/DualBadge.axaml b/src/Ursa.Themes.Semi/Controls/DualBadge.axaml
index fa9a31f..80b36f0 100644
--- a/src/Ursa.Themes.Semi/Controls/DualBadge.axaml
+++ b/src/Ursa.Themes.Semi/Controls/DualBadge.axaml
@@ -19,40 +19,38 @@
             <ControlTemplate TargetType="{x:Type u:DualBadge}">
                 <Border
                     HorizontalAlignment="{TemplateBinding HorizontalAlignment}"
-                    VerticalAlignment="{TemplateBinding VerticalAlignment}">
+                    VerticalAlignment="{TemplateBinding VerticalAlignment}"
+                    ClipToBounds="True"
+                    CornerRadius="{TemplateBinding CornerRadius}">
                     <Grid ColumnDefinitions="*,*">
-                        <Border
+                        <DockPanel
                             Grid.Column="0"
-                            Background="{TemplateBinding HeaderBackground}"
-                            CornerRadius="{DynamicResource DualBadgeDefaultLeftCornerRadius}">
-                            <DockPanel>
-                                <ContentPresenter
-                                    Name="{x:Static u:DualBadge.PART_Icon}"
-                                    Width="14"
-                                    Height="14"
-                                    Margin="2 0 0 0"
-                                    IsVisible="{TemplateBinding Icon,Converter={x:Static ObjectConverters.IsNotNull}}"
-                                    Foreground="{TemplateBinding IconForeground}"
-                                    Padding="{TemplateBinding Padding}"
-                                    Content="{TemplateBinding Icon}"
-                                    ContentTemplate="{TemplateBinding IconTemplate}" />
-                                <ContentPresenter
-                                    Name="{x:Static u:DualBadge.PART_HeaderPresenter}"
-                                    TextElement.FontSize="{TemplateBinding FontSize}"
-                                    IsVisible="{TemplateBinding Header,Converter={x:Static ObjectConverters.IsNotNull}}"
-                                    Foreground="{TemplateBinding HeaderForeground}"
-                                    Padding="{TemplateBinding Padding}"
-                                    Content="{TemplateBinding Header}"
-                                    ContentTemplate="{TemplateBinding HeaderTemplate}" />
-                            </DockPanel>
-                        </Border>
+                            Background="{TemplateBinding HeaderBackground}">
+                            <ContentPresenter
+                                Name="{x:Static u:DualBadge.PART_Icon}"
+                                Width="14"
+                                Height="14"
+                                Margin="2 0 0 0"
+                                IsVisible="{TemplateBinding Icon,Converter={x:Static ObjectConverters.IsNotNull}}"
+                                Foreground="{TemplateBinding IconForeground}"
+                                Padding="{TemplateBinding Padding}"
+                                Content="{TemplateBinding Icon}"
+                                ContentTemplate="{TemplateBinding IconTemplate}" />
+                            <ContentPresenter
+                                Name="{x:Static u:DualBadge.PART_HeaderPresenter}"
+                                TextElement.FontSize="{TemplateBinding FontSize}"
+                                IsVisible="{TemplateBinding Header,Converter={x:Static ObjectConverters.IsNotNull}}"
+                                Foreground="{TemplateBinding HeaderForeground}"
+                                Padding="{TemplateBinding Padding}"
+                                Content="{TemplateBinding Header}"
+                                ContentTemplate="{TemplateBinding HeaderTemplate}"/>
+                        </DockPanel>
                         <ContentPresenter
                             Name="{x:Static u:DualBadge.PART_ContentPresenter}"
                             Grid.Column="1"
                             TextElement.FontSize="{TemplateBinding FontSize}"
                             Foreground="{TemplateBinding Foreground}"
                             Background="{TemplateBinding Background}"
-                            CornerRadius="{TemplateBinding CornerRadius}"
                             Padding="{TemplateBinding Padding}"
                             Content="{TemplateBinding Content}"
                             ContentTemplate="{TemplateBinding ContentTemplate}" />
@@ -60,5 +58,9 @@
                 </Border>
             </ControlTemplate>
         </Setter>
+
+        <Style Selector="^:header-empty">
+            <Setter Property="HeaderBackground" Value="LightGreen" />
+        </Style>
     </ControlTheme>
 </ResourceDictionary>
\ No newline at end of file
diff --git a/src/Ursa.Themes.Semi/Themes/Shared/DualBadge.axaml b/src/Ursa.Themes.Semi/Themes/Shared/DualBadge.axaml
index ce2a09b..c08cf04 100644
--- a/src/Ursa.Themes.Semi/Themes/Shared/DualBadge.axaml
+++ b/src/Ursa.Themes.Semi/Themes/Shared/DualBadge.axaml
@@ -1,6 +1,5 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
-    <CornerRadius x:Key="DualBadgeDefaultLeftCornerRadius">4 0 0 4</CornerRadius>
-    <CornerRadius x:Key="DualBadgeDefaultCornerRadius">0 4 4 0</CornerRadius>
+    <CornerRadius x:Key="DualBadgeDefaultCornerRadius">4</CornerRadius>
     <x:Double x:Key="DualBadgeDefaultFontSize">12</x:Double>
     <Thickness x:Key="DualBadgeDefaultThickness">1</Thickness>
     <Thickness x:Key="DualBadgeDefaultPadding">4 2</Thickness>
diff --git a/src/Ursa/Controls/DualBadge.cs b/src/Ursa/Controls/DualBadge.cs
index de02345..9e445c6 100644
--- a/src/Ursa/Controls/DualBadge.cs
+++ b/src/Ursa/Controls/DualBadge.cs
@@ -1,4 +1,5 @@
 using Avalonia;
+using Avalonia.Controls;
 using Avalonia.Controls.Metadata;
 using Avalonia.Controls.Presenters;
 using Avalonia.Controls.Primitives;
@@ -7,9 +8,13 @@ using Avalonia.Media;
 
 namespace Ursa.Controls;
 
+[PseudoClasses(PC_IconEmpty, PC_HeaderEmpty, PC_ContentEmpty)]
 [TemplatePart(PART_Icon, typeof(ContentPresenter))]
 public class DualBadge : HeaderedContentControl
 {
+    public const string PC_IconEmpty = ":icon-empty";
+    public const string PC_HeaderEmpty = ":header-empty";
+    public const string PC_ContentEmpty = ":content-empty";
     public const string PART_HeaderPresenter = "PART_HeaderPresenter";
     public const string PART_ContentPresenter = "PART_ContentPresenter";
     public const string PART_Icon = "PART_Icon";
@@ -58,4 +63,57 @@ public class DualBadge : HeaderedContentControl
         get => GetValue(HeaderBackgroundProperty);
         set => SetValue(HeaderBackgroundProperty, value);
     }
+
+    public static readonly StyledProperty<bool> IsIconEmptyProperty = AvaloniaProperty.Register<DualBadge, bool>(
+        nameof(IsIconEmpty));
+
+    public bool IsIconEmpty
+    {
+        get => GetValue(IsIconEmptyProperty);
+        set => SetValue(IsIconEmptyProperty, value);
+    }
+
+    public static readonly StyledProperty<bool> IsHeaderEmptyProperty = AvaloniaProperty.Register<DualBadge, bool>(
+        nameof(IsHeaderEmpty));
+
+    public bool IsHeaderEmpty
+    {
+        get => GetValue(IsHeaderEmptyProperty);
+        set => SetValue(IsHeaderEmptyProperty, value);
+    }
+
+    public static readonly StyledProperty<bool> IsContentEmptyProperty = AvaloniaProperty.Register<DualBadge, bool>(
+        nameof(IsContentEmpty));
+
+    public bool IsContentEmpty
+    {
+        get => GetValue(IsContentEmptyProperty);
+        set => SetValue(IsContentEmptyProperty, value);
+    }
+
+
+    static DualBadge()
+    {
+        IsIconEmptyProperty.Changed.AddClassHandler<DualBadge>((o, e) => o.OnIsIconEmptyChanged(e));
+        IsHeaderEmptyProperty.Changed.AddClassHandler<DualBadge>((o, e) => o.OnIsHeaderEmptyChanged(e));
+        IsContentEmptyProperty.Changed.AddClassHandler<DualBadge>((o, e) => o.OnIsContentEmptyChanged(e));
+    }
+
+    private void OnIsIconEmptyChanged(AvaloniaPropertyChangedEventArgs args)
+    {
+        bool newValue = args.GetNewValue<bool>();
+        PseudoClasses.Set(PC_IconEmpty, newValue);
+    }
+
+    private void OnIsHeaderEmptyChanged(AvaloniaPropertyChangedEventArgs args)
+    {
+        bool newValue = args.GetNewValue<bool>();
+        PseudoClasses.Set(PC_HeaderEmpty, newValue);
+    }
+
+    private void OnIsContentEmptyChanged(AvaloniaPropertyChangedEventArgs args)
+    {
+        bool newValue = args.GetNewValue<bool>();
+        PseudoClasses.Set(PC_ContentEmpty, newValue);
+    }
 }
\ No newline at end of file