diff --git a/demo/Semi.Avalonia.Demo/Pages/LabelDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/LabelDemo.axaml
index 86dd7d1..54dbba1 100644
--- a/demo/Semi.Avalonia.Demo/Pages/LabelDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/LabelDemo.axaml
@@ -17,7 +17,7 @@
             <ScrollViewer HorizontalScrollBarVisibility="Auto">
                 <StackPanel Orientation="Horizontal">
                     <StackPanel.Styles>
-                        <Style Selector="Label TextBlock">
+                        <Style Selector="Label, TextBlock">
                             <Setter Property="VerticalAlignment" Value="Center" />
                             <Setter Property="Margin" Value="4" />
                         </Style>