diff --git a/src/Semi.Avalonia/Controls/SplitView.axaml b/src/Semi.Avalonia/Controls/SplitView.axaml
index 78a0e77..852ffc2 100644
--- a/src/Semi.Avalonia/Controls/SplitView.axaml
+++ b/src/Semi.Avalonia/Controls/SplitView.axaml
@@ -129,7 +129,7 @@
                                 x:Name="PART_ContentPresenter"
                                 Content="{TemplateBinding Content}"
                                 ContentTemplate="{TemplateBinding ContentTemplate}" />
-                            <Rectangle Name="LightDismissLayer" />
+                            <Rectangle Name="LightDismissLayer" IsVisible="False" />
                         </Panel>
 
                     </Grid>
@@ -236,7 +236,7 @@
         </Style>
 
         <Style Selector="^:lightDismiss /template/ Rectangle#LightDismissLayer">
-            <Setter Property="Fill" Value="#99000000" />
+            <Setter Property="Fill" Value="{DynamicResource SplitViewMaskBrush}" />
         </Style>
         <Style Selector="^:overlay:open /template/ Rectangle#LightDismissLayer">
             <Setter Property="IsVisible" Value="True" />
diff --git a/src/Semi.Avalonia/Themes/Dark/SplitView.axaml b/src/Semi.Avalonia/Themes/Dark/SplitView.axaml
index aea9a99..e422867 100644
--- a/src/Semi.Avalonia/Themes/Dark/SplitView.axaml
+++ b/src/Semi.Avalonia/Themes/Dark/SplitView.axaml
@@ -1,4 +1,5 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <SolidColorBrush x:Key="SplitViewSeparatorBackground" Opacity="0.08" Color="#F9F9F9" />
+    <SolidColorBrush x:Key="SplitViewMaskBrush" Color="#FFA7ABB0" Opacity="0.2"></SolidColorBrush>
     <SolidColorBrush x:Key="SplitViewPaneBackground" Color="#16161A" />
 </ResourceDictionary>
\ No newline at end of file
diff --git a/src/Semi.Avalonia/Themes/Light/SplitView.axaml b/src/Semi.Avalonia/Themes/Light/SplitView.axaml
index e29053f..7733059 100644
--- a/src/Semi.Avalonia/Themes/Light/SplitView.axaml
+++ b/src/Semi.Avalonia/Themes/Light/SplitView.axaml
@@ -1,4 +1,5 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <SolidColorBrush x:Key="SplitViewSeparatorBackground" Opacity="0.08" Color="#1C1F23" />
+    <SolidColorBrush x:Key="SplitViewMaskBrush" Color="#FF555B61" Opacity="0.2"></SolidColorBrush>
     <SolidColorBrush x:Key="SplitViewPaneBackground" Color="White" />
 </ResourceDictionary>
\ No newline at end of file