diff --git a/src/Semi.Avalonia/Controls/GridSplitter.axaml b/src/Semi.Avalonia/Controls/GridSplitter.axaml
index 13ab88a..0748fa6 100644
--- a/src/Semi.Avalonia/Controls/GridSplitter.axaml
+++ b/src/Semi.Avalonia/Controls/GridSplitter.axaml
@@ -6,6 +6,7 @@
         <Setter Property="Focusable" Value="True" />
         <Setter Property="MinWidth" Value="6" />
         <Setter Property="MinHeight" Value="6" />
+        <Setter Property="GridSplitter.ClipToBounds" Value="False" />
         <Setter Property="GridSplitter.Padding" Value="2" />
         <Setter Property="Background" Value="{DynamicResource GridSplitterBackground}" />
         <Setter Property="PreviewContent">