diff --git a/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml
index 1d9f9bf..2974962 100644
--- a/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml
@@ -52,7 +52,6 @@
                 <Button Classes="Success" Theme="{DynamicResource SolidButton}">Success</Button>
                 <Button Classes="Warning" Theme="{DynamicResource SolidButton}">Warning</Button>
                 <Button Classes="Danger" Theme="{DynamicResource SolidButton}">Danger</Button>
-                <Button Background="Purple" BorderBrush="Purple" Theme="{DynamicResource SolidButton}">Custom</Button>
                 <Button
                     Classes="Danger"
                     IsEnabled="False"