diff --git a/src/Semi.Avalonia/Controls/TabControl.axaml b/src/Semi.Avalonia/Controls/TabControl.axaml
index 072863d..32e0973 100644
--- a/src/Semi.Avalonia/Controls/TabControl.axaml
+++ b/src/Semi.Avalonia/Controls/TabControl.axaml
@@ -37,7 +37,7 @@
ItemsPanel="{TemplateBinding ItemsPanel}" />
+ Background="{DynamicResource SemiColorBorder}" />
+ BorderBrush="{DynamicResource SemiColorBorder}">
@@ -300,4 +300,106 @@
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diff --git a/src/Semi.Avalonia/Controls/TabItem.axaml b/src/Semi.Avalonia/Controls/TabItem.axaml
index ac385b6..b62ca5a 100644
--- a/src/Semi.Avalonia/Controls/TabItem.axaml
+++ b/src/Semi.Avalonia/Controls/TabItem.axaml
@@ -213,4 +213,137 @@
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diff --git a/src/Semi.Avalonia/Themes/Dark/TabItem.axaml b/src/Semi.Avalonia/Themes/Dark/TabItem.axaml
index dc8da64..0e3f003 100644
--- a/src/Semi.Avalonia/Themes/Dark/TabItem.axaml
+++ b/src/Semi.Avalonia/Themes/Dark/TabItem.axaml
@@ -5,6 +5,6 @@
-
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\ No newline at end of file
diff --git a/src/Semi.Avalonia/Themes/Light/TabItem.axaml b/src/Semi.Avalonia/Themes/Light/TabItem.axaml
index dc8da64..0e3f003 100644
--- a/src/Semi.Avalonia/Themes/Light/TabItem.axaml
+++ b/src/Semi.Avalonia/Themes/Light/TabItem.axaml
@@ -5,6 +5,6 @@
-
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\ No newline at end of file