diff --git a/src/Semi.Avalonia/Controls/HyperlinkButton.axaml b/src/Semi.Avalonia/Controls/HyperlinkButton.axaml
index cb7c397..a4339ee 100644
--- a/src/Semi.Avalonia/Controls/HyperlinkButton.axaml
+++ b/src/Semi.Avalonia/Controls/HyperlinkButton.axaml
@@ -82,7 +82,7 @@
         </Style>
 
         <Style Selector="^.Underline">
-            <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter">
+            <Style Selector="^ /template/ ContentPresenter#PART_ContentPresenter:pointerover">
                 <Setter Property="TextBlock.TextDecorations" Value="Underline" />
             </Style>
         </Style>