diff --git a/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml b/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml
index 2e45282..420d5f8 100644
--- a/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml
+++ b/demo/Semi.Avalonia.Demo/Pages/ButtonDemo.axaml
@@ -42,7 +42,7 @@
-
+
@@ -56,7 +56,7 @@
-
+
-
+
-
+
@@ -123,7 +123,7 @@
-
+
@@ -138,7 +138,7 @@
-
+
diff --git a/src/Semi.Avalonia/Controls/DropDownButton.axaml b/src/Semi.Avalonia/Controls/DropDownButton.axaml
index c9dd99a..b698c9e 100644
--- a/src/Semi.Avalonia/Controls/DropDownButton.axaml
+++ b/src/Semi.Avalonia/Controls/DropDownButton.axaml
@@ -234,6 +234,9 @@
+