diff --git a/demo/Semi.Avalonia.Demo.Web/Assets/Fonts/SourceHanSansCN-Bold.otf b/demo/Semi.Avalonia.Demo.Web/Assets/Fonts/SourceHanSansCN-Bold.otf
new file mode 100644
index 0000000..8e1e869
Binary files /dev/null and b/demo/Semi.Avalonia.Demo.Web/Assets/Fonts/SourceHanSansCN-Bold.otf differ
diff --git a/demo/Semi.Avalonia.Demo.Web/Assets/SourceHanSansCN-Regular.otf b/demo/Semi.Avalonia.Demo.Web/Assets/Fonts/SourceHanSansCN-Regular.otf
similarity index 100%
rename from demo/Semi.Avalonia.Demo.Web/Assets/SourceHanSansCN-Regular.otf
rename to demo/Semi.Avalonia.Demo.Web/Assets/Fonts/SourceHanSansCN-Regular.otf
diff --git a/demo/Semi.Avalonia.Demo.Web/AvaloniaAppBuilderExtensions.cs b/demo/Semi.Avalonia.Demo.Web/AvaloniaAppBuilderExtensions.cs
index 2d5a50f..29386d5 100644
--- a/demo/Semi.Avalonia.Demo.Web/AvaloniaAppBuilderExtensions.cs
+++ b/demo/Semi.Avalonia.Demo.Web/AvaloniaAppBuilderExtensions.cs
@@ -11,6 +11,6 @@ public static class AvaloniaAppBuilderExtensions
         builder.With(new FontManagerOptions
         {
             DefaultFamilyName = DefaultFontFamily,
-            FontFallbacks = new[] { new FontFallback { FontFamily = new FontFamily(DefaultFontFamily) } }
+            FontFallbacks = [new FontFallback { FontFamily = new FontFamily(DefaultFontFamily) }]
         });
 }
\ No newline at end of file