diff --git a/demo/Semi.Avalonia.Demo/Pages/PaletteDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/PaletteDemo.axaml
index 8cf0b6b..eb707e0 100644
--- a/demo/Semi.Avalonia.Demo/Pages/PaletteDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/PaletteDemo.axaml
@@ -15,6 +15,7 @@
     <UserControl.Resources>
         <ResourceDictionary>
             <ResourceDictionary.MergedDictionaries>
+                <ResourceInclude Source="../Themes/ToggleButton.axaml" />
                 <ResourceInclude Source="../Controls/ColorItemControl.axaml" />
                 <ResourceInclude Source="../Controls/ColorDetailControl.axaml" />
                 <ResourceInclude Source="../Controls/FunctionalColorGroupControl.axaml" />
@@ -34,18 +35,19 @@
                     Name="toggle"
                     HorizontalAlignment="Right"
                     IsChecked="True"
-                    Theme="{DynamicResource BorderlessToggleButton}">
-                    <PathIcon
-                        Width="16"
-                        Height="16"
-                        Data="M5 2H19C20.6569 2 22 3.34315 22 5V19C22 20.6569 20.6569 22 19 22H5C3.34315 22 2 20.6569 2 19V5C2 3.34315 3.34315 2 5 2ZM6 4C5.44772 4 5 4.44772 5 5V19C5 19.5523 5.44772 20 6 20H9C9.55229 20 10 19.5523 10 19V5C10 4.44772 9.55229 4 9 4H6Z" />
-                </ToggleButton>
+                    Theme="{DynamicResource SplitViewToggleButton}" />
                 <Border IsVisible="{Binding #splitView.IsPaneOpen}" Theme="{DynamicResource CardBorder}">
-                    <controls:ColorDetailControl
-                        Background="{Binding SelectedColor.Brush}"
-                        IsVisible="{Binding SelectedColor, Converter={x:Static ObjectConverters.IsNotNull}}"
-                        ResourceKey="{Binding SelectedColor.ResourceKey}"
-                        ResourceName="{Binding SelectedColor.ColorDisplayName}" />
+                    <Panel>
+                        <TextBlock
+                            IsVisible="{Binding SelectedColor, Converter={x:Static ObjectConverters.IsNull}}"
+                            Text="Click on Color to Check Details"
+                            TextWrapping="Wrap" />
+                        <controls:ColorDetailControl
+                            Background="{Binding SelectedColor.Brush}"
+                            IsVisible="{Binding SelectedColor, Converter={x:Static ObjectConverters.IsNotNull}}"
+                            ResourceKey="{Binding SelectedColor.ResourceKey}"
+                            ResourceName="{Binding SelectedColor.ColorDisplayName}" />
+                    </Panel>
                 </Border>
             </StackPanel>
         </SplitView.Pane>
diff --git a/demo/Semi.Avalonia.Demo/Pages/PaletteDemo.axaml.cs b/demo/Semi.Avalonia.Demo/Pages/PaletteDemo.axaml.cs
index d21b6b6..4ef2ecf 100644
--- a/demo/Semi.Avalonia.Demo/Pages/PaletteDemo.axaml.cs
+++ b/demo/Semi.Avalonia.Demo/Pages/PaletteDemo.axaml.cs
@@ -3,6 +3,7 @@ using Avalonia;
 using Avalonia.Controls;
 using Avalonia.Controls.Primitives;
 using Avalonia.Markup.Xaml;
+using Avalonia.Threading;
 using Semi.Avalonia.Demo.ViewModels;
 
 namespace Semi.Avalonia.Demo.Pages;
@@ -19,7 +20,10 @@ public partial class PaletteDemo : UserControl
     {
         base.OnApplyTemplate(e);
         PaletteDemoViewModel? vm = new PaletteDemoViewModel();
-        vm.InitializeResources();
+        await Dispatcher.UIThread.InvokeAsync(() =>
+        {
+            vm.InitializeResources();
+        });
         DataContext = vm;
     }
 }
\ No newline at end of file
diff --git a/demo/Semi.Avalonia.Demo/Themes/ToggleButton.axaml b/demo/Semi.Avalonia.Demo/Themes/ToggleButton.axaml
index e3c7231..140bf91 100644
--- a/demo/Semi.Avalonia.Demo/Themes/ToggleButton.axaml
+++ b/demo/Semi.Avalonia.Demo/Themes/ToggleButton.axaml
@@ -29,4 +29,29 @@
             </Style>
         </Style>
     </ControlTheme>
+
+    <ControlTheme x:Key="SplitViewToggleButton" TargetType="ToggleButton">
+        <Setter Property="ToggleButton.Template">
+            <ControlTemplate TargetType="ToggleButton">
+                <Border
+                    Name="Background"
+                    Padding="8"
+                    Background="{TemplateBinding Background}"
+                    CornerRadius="3">
+                    <PathIcon
+                        Name="Icon"
+                        Width="16"
+                        Height="16"
+                        Data="M5 2H19C20.6569 2 22 3.34315 22 5V19C22 20.6569 20.6569 22 19 22H5C3.34315 22 2 20.6569 2 19V5C2 3.34315 3.34315 2 5 2ZM6 4C5.44772 4 5 4.44772 5 5V19C5 19.5523 5.44772 20 6 20H9C9.55229 20 10 19.5523 10 19V5C10 4.44772 9.55229 4 9 4H6Z"
+                        Foreground="{DynamicResource ButtonDefaultTertiaryForeground}" />
+                </Border>
+            </ControlTemplate>
+        </Setter>
+        <Style Selector="^:pointerover">
+            <Setter Property="Background" Value="{DynamicResource ButtonDefaultPointeroverBackground}" />
+        </Style>
+        <Style Selector="^:pressed">
+            <Setter Property="Background" Value="{DynamicResource ButtonDefaultPressedBackground}" />
+        </Style>
+    </ControlTheme>
 </ResourceDictionary>