diff --git a/src/Semi.Avalonia.Demo/Pages/TabControlDemo.axaml b/src/Semi.Avalonia.Demo/Pages/TabControlDemo.axaml
index 30e0325..569c522 100644
--- a/src/Semi.Avalonia.Demo/Pages/TabControlDemo.axaml
+++ b/src/Semi.Avalonia.Demo/Pages/TabControlDemo.axaml
@@ -9,6 +9,7 @@
                 <TabItem Content="Hello 1" Header="Tab 1" />
                 <TabItem Content="Hello 2" Header="Tab 2" />
                 <TabItem Content="Hello 3" Header="Tab 3" />
+                <TabItem Content="中文内容" Header="中文中文" />
                 <TabItem
                     Content="Hello 4" Header="Tab 4"
                     IsEnabled="False" />
@@ -19,6 +20,7 @@
                 <TabItem Content="Hello 1" Header="Tab 1" />
                 <TabItem Content="Hello 2" Header="Tab 2" />
                 <TabItem Content="Hello 3" Header="Tab 3" />
+                <TabItem Content="中文内容" Header="中文中文" />
                 <TabItem
                     Content="Hello 4" Header="Tab 4"
                     IsEnabled="False" />
@@ -29,6 +31,7 @@
                 <TabItem Content="Hello 1" Header="Tab 1" />
                 <TabItem Content="Hello 2" Header="Tab 2" />
                 <TabItem Content="Hello 3" Header="Tab 3" />
+                <TabItem Content="中文内容" Header="中文中文" />
                 <TabItem
                     Content="Hello 4" Header="Tab 4"
                     IsEnabled="False" />
@@ -39,6 +42,7 @@
                 <TabItem Content="Hello 1" Header="Tab 1" />
                 <TabItem Content="Hello 2" Header="Tab 2" />
                 <TabItem Content="Hello 3" Header="Tab 3" />
+                <TabItem Content="中文内容" Header="中文中文" />
                 <TabItem
                     Content="Hello 4" Header="Tab 4"
                     IsEnabled="False" />