diff --git a/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml
index 0d97d8c..066f2b7 100644
--- a/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml
@@ -84,6 +84,32 @@
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diff --git a/demo/Semi.Avalonia.Demo/Pages/Overview.axaml b/demo/Semi.Avalonia.Demo/Pages/Overview.axaml
index 3b44c65..5838836 100644
--- a/demo/Semi.Avalonia.Demo/Pages/Overview.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/Overview.axaml
@@ -15,14 +15,6 @@
Text="Welcome to Semi Avalonia"
Theme="{StaticResource TitleTextBlock}" />
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@@ -61,8 +53,6 @@
选项 2
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Option 1
@@ -79,6 +69,7 @@
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Avalonia
WPF
@@ -89,6 +80,15 @@
Content="Content"
OffContent="No"
OnContent="Yes" />
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@@ -103,7 +103,9 @@
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@@ -132,6 +134,7 @@
Classes="revealPasswordButton"
PasswordChar="*"
Text="Avalonia" />
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@@ -152,6 +155,7 @@
List Item 4
List Item 5
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diff --git a/src/Semi.Avalonia/Controls/SplitButton.axaml b/src/Semi.Avalonia/Controls/SplitButton.axaml
index 5281171..f4cf5ae 100644
--- a/src/Semi.Avalonia/Controls/SplitButton.axaml
+++ b/src/Semi.Avalonia/Controls/SplitButton.axaml
@@ -18,67 +18,102 @@
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