diff --git a/demo/Semi.Avalonia.Demo/Pages/ThemeVariantDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/ThemeVariantDemo.axaml
index 7303773..6f5bcf9 100644
--- a/demo/Semi.Avalonia.Demo/Pages/ThemeVariantDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/ThemeVariantDemo.axaml
@@ -4,18 +4,36 @@
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:vm="clr-namespace:Semi.Avalonia.Demo.Pages"
+    x:DataType="vm:ThemeVariantDemoViewModel"
     d:DesignHeight="450"
     d:DesignWidth="800"
     mc:Ignorable="d">
-    <Grid>
-        <ThemeVariantScope Name="scope">
+    <Design.DataContext>
+        <vm:ThemeVariantDemoViewModel />
+    </Design.DataContext>
+    <StackPanel>
+        <Border Theme="{StaticResource CardBorder}">
+            <StackPanel>
+                <ListBox
+                    Theme="{StaticResource CardRadioGroupListBox}"
+                    ItemsSource="{Binding ThemeVariants}"
+                    SelectedItem="{Binding SelectedThemeVariant}" />
+                <DatePicker />
+                <CalendarDatePicker />
+            </StackPanel>
+        </Border>
+        <ThemeVariantScope RequestedThemeVariant="{Binding SelectedThemeVariant}">
             <Border Theme="{StaticResource CardBorder}">
                 <StackPanel>
+                    <ListBox
+                        Theme="{StaticResource CardRadioGroupListBox}"
+                        ItemsSource="{Binding ThemeVariants}"
+                        SelectedItem="{Binding SelectedThemeVariant}" />
                     <DatePicker />
                     <CalendarDatePicker />
-                    <ToggleSwitch Content="Switch Theme" IsCheckedChanged="Switch_OnIsCheckedChanged" />
                 </StackPanel>
             </Border>
         </ThemeVariantScope>
-    </Grid>
-</UserControl>
+    </StackPanel>
+</UserControl>
\ No newline at end of file
diff --git a/demo/Semi.Avalonia.Demo/Pages/ThemeVariantDemo.axaml.cs b/demo/Semi.Avalonia.Demo/Pages/ThemeVariantDemo.axaml.cs
index 2d80dd9..ad7366f 100644
--- a/demo/Semi.Avalonia.Demo/Pages/ThemeVariantDemo.axaml.cs
+++ b/demo/Semi.Avalonia.Demo/Pages/ThemeVariantDemo.axaml.cs
@@ -1,8 +1,7 @@
-using Avalonia;
+using System.Collections.Generic;
 using Avalonia.Controls;
-using Avalonia.Interactivity;
-using Avalonia.Markup.Xaml;
 using Avalonia.Styling;
+using CommunityToolkit.Mvvm.ComponentModel;
 
 namespace Semi.Avalonia.Demo.Pages;
 
@@ -11,10 +10,22 @@ public partial class ThemeVariantDemo : UserControl
     public ThemeVariantDemo()
     {
         InitializeComponent();
+        this.DataContext = new ThemeVariantDemoViewModel();
     }
+}
 
-    private void Switch_OnIsCheckedChanged(object sender, RoutedEventArgs e)
-    {
-        scope.RequestedThemeVariant = scope.ActualThemeVariant == ThemeVariant.Dark ? ThemeVariant.Light : ThemeVariant.Dark;
-    }
+public partial class ThemeVariantDemoViewModel : ObservableObject
+{
+    [ObservableProperty] private ThemeVariant? _selectedThemeVariant;
+
+    public IEnumerable<ThemeVariant> ThemeVariants =>
+    [
+        ThemeVariant.Default,
+        ThemeVariant.Light,
+        ThemeVariant.Dark,
+        SemiTheme.Aquatic,
+        SemiTheme.Desert,
+        SemiTheme.Dust,
+        SemiTheme.NightSky,
+    ];
 }
\ No newline at end of file