diff --git a/demo/Semi.Avalonia.Demo/Views/MainView.axaml b/demo/Semi.Avalonia.Demo/Views/MainView.axaml
index 831a1d0..1cf74f4 100644
--- a/demo/Semi.Avalonia.Demo/Views/MainView.axaml
+++ b/demo/Semi.Avalonia.Demo/Views/MainView.axaml
@@ -83,6 +83,7 @@
                                                 <Border Classes="NavItemHost" Classes.Selected="{Binding IsSelected}">
                                                     <Button
                                                         Classes="NavItem"
+                                                        FontWeight="Normal"
                                                         Classes.Selected="{Binding IsSelected}"
                                                         Command="{Binding NavigateCommand}"
                                                         CommandParameter="{Binding}"