diff --git a/demo/Semi.Avalonia.Demo.Android/MainActivity.cs b/demo/Semi.Avalonia.Demo.Android/MainActivity.cs
index 7906c4f..d037305 100644
--- a/demo/Semi.Avalonia.Demo.Android/MainActivity.cs
+++ b/demo/Semi.Avalonia.Demo.Android/MainActivity.cs
@@ -4,9 +4,9 @@ using Avalonia.Android;
 
 namespace Semi.Avalonia.Demo.Android;
 
-[Activity(Label = "Semi.Avalonia.Demo.Android", Icon = "@drawable/Icon", Theme = "@style/MyTheme.NoActionBar",
-    LaunchMode = LaunchMode.SingleTop, ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.ScreenSize)]
-public class MainActivity : AvaloniaMainActivity
+[Activity(Label = "Semi.Avalonia.Demo.Android", Icon = "@drawable/Icon", MainLauncher = true, Theme = "@style/MyTheme.NoActionBar",
+    LaunchMode = LaunchMode.SingleTop, ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.ScreenSize | ConfigChanges.UiMode)]
+public class MainActivity : AvaloniaMainActivity<App>
 {
     
 }
\ No newline at end of file
diff --git a/demo/Semi.Avalonia.Demo.Android/SplashActivity.cs b/demo/Semi.Avalonia.Demo.Android/SplashActivity.cs
deleted file mode 100644
index 3186324..0000000
--- a/demo/Semi.Avalonia.Demo.Android/SplashActivity.cs
+++ /dev/null
@@ -1,22 +0,0 @@
-using Android.App;
-using Android.Content;
-using Avalonia;
-using Avalonia.Android;
-using Application = Android.App.Application;
-
-namespace Semi.Avalonia.Demo.Android;
-
-[Activity(Theme = "@style/MyTheme.Splash", MainLauncher = true, NoHistory = true)]
-public class SplashActivity: AvaloniaMainActivity<App>
-{
-    protected override AppBuilder CustomizeAppBuilder(AppBuilder builder)
-    {
-        return base.CustomizeAppBuilder(builder);
-    }
-
-    protected override void OnResume()
-    {
-        base.OnResume();
-        StartActivity(new Intent(Application.Context, typeof(MainActivity)));
-    }
-}
\ No newline at end of file