diff --git a/src/Semi.Avalonia/Themes/Dark/SplitView.axaml b/src/Semi.Avalonia/Themes/Dark/SplitView.axaml
index e422867..35c9a13 100644
--- a/src/Semi.Avalonia/Themes/Dark/SplitView.axaml
+++ b/src/Semi.Avalonia/Themes/Dark/SplitView.axaml
@@ -1,5 +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="SplitViewMaskBrush" Opacity="0.2" Color="#A7ABB0" />
     <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 7733059..fc36c21 100644
--- a/src/Semi.Avalonia/Themes/Light/SplitView.axaml
+++ b/src/Semi.Avalonia/Themes/Light/SplitView.axaml
@@ -1,5 +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="SplitViewMaskBrush" Opacity="0.2" Color="#555B61"  />
     <SolidColorBrush x:Key="SplitViewPaneBackground" Color="White" />
 </ResourceDictionary>
\ No newline at end of file