diff --git a/src/Semi.Avalonia/Locale/en-us.axaml b/src/Semi.Avalonia/Locale/en-us.axaml
index 44ae5f6..e41759c 100644
--- a/src/Semi.Avalonia/Locale/en-us.axaml
+++ b/src/Semi.Avalonia/Locale/en-us.axaml
@@ -1,4 +1,5 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui"
+                    x:Class="Semi.Avalonia.Locale.en_us"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <!-- DatePicker -->
     <x:String x:Key="STRING_DATEPICKER_DAY_TEXT">day</x:String>
diff --git a/src/Semi.Avalonia/Locale/zh-cn.axaml b/src/Semi.Avalonia/Locale/zh-cn.axaml
index ce37ee9..e46fe54 100644
--- a/src/Semi.Avalonia/Locale/zh-cn.axaml
+++ b/src/Semi.Avalonia/Locale/zh-cn.axaml
@@ -1,4 +1,5 @@
 <ResourceDictionary xmlns="https://github.com/avaloniaui"
+                    x:Class="Semi.Avalonia.Locale.zh_cn"
                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <!-- DatePicker -->
     <x:String x:Key="STRING_DATEPICKER_DAY_TEXT">日</x:String>