diff --git a/src/Semi.Avalonia/Locale/zh-tw.axaml b/src/Semi.Avalonia/Locale/zh-tw.axaml
new file mode 100644
index 0000000..dd1c99c
--- /dev/null
+++ b/src/Semi.Avalonia/Locale/zh-tw.axaml
@@ -0,0 +1,27 @@
+<ResourceDictionary
+    x:Class="Semi.Avalonia.Locale.zh_tw"
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <!--  DatePicker  -->
+    <x:String x:Key="STRING_DATEPICKER_DAY_TEXT">日</x:String>
+    <x:String x:Key="STRING_DATEPICKER_MONTH_TEXT">月</x:String>
+    <x:String x:Key="STRING_DATEPICKER_YEAR_TEXT">年</x:String>
+    <!--  TimePicker  -->
+    <x:String x:Key="STRING_TIMEPICKER_HOUR_TEXT">時</x:String>
+    <x:String x:Key="STRING_TIMEPICKER_MINUTE_TEXT">分</x:String>
+    <x:String x:Key="STRING_TIMEPICKER_SECOND_TEXT">秒</x:String>
+    <!-- TextBox/SelectableTextBox flyout -->
+    <x:String x:Key="STRING_MENU_CUT">剪下</x:String>
+    <x:String x:Key="STRING_MENU_COPY">複製</x:String>
+    <x:String x:Key="STRING_MENU_PASTE">貼上</x:String>
+    <!--  ManagedFileChooser  -->
+    <x:String x:Key="STRING_CHOOSER_FILE_NAME">檔案名</x:String>
+    <x:String x:Key="STRING_CHOOSER_SHOW_HIDDEN_FILES">顯示隱藏檔案</x:String>
+    <x:String x:Key="STRING_CHOOSER_DIALOG_OK">確定</x:String>
+    <x:String x:Key="STRING_CHOOSER_DIALOG_CANCEL">取消</x:String>
+    <x:String x:Key="STRING_CHOOSER_NAME_COLUMN">名稱</x:String>
+    <x:String x:Key="STRING_CHOOSER_DATEMODIFIED_COLUMN">修改日期</x:String>
+    <x:String x:Key="STRING_CHOOSER_TYPE_COLUMN">類型</x:String>
+    <x:String x:Key="STRING_CHOOSER_SIZE_COLUMN">大小</x:String>
+    <x:String x:Key="STRING_CHOOSER_PROMPT_FILE_ALREADY_EXISTS">{0} 已經存在。您要取代它嗎？</x:String>
+</ResourceDictionary>
\ No newline at end of file
diff --git a/src/Semi.Avalonia/Locale/zh-tw.axaml.cs b/src/Semi.Avalonia/Locale/zh-tw.axaml.cs
new file mode 100644
index 0000000..18f4508
--- /dev/null
+++ b/src/Semi.Avalonia/Locale/zh-tw.axaml.cs
@@ -0,0 +1,8 @@
+using Avalonia.Controls;
+
+namespace Semi.Avalonia.Locale;
+
+public class zh_tw: ResourceDictionary
+{
+    
+}
\ No newline at end of file
diff --git a/src/Semi.Avalonia/Themes/SemiTheme.axaml.cs b/src/Semi.Avalonia/Themes/SemiTheme.axaml.cs
index 907cb55..4f78fc3 100644
--- a/src/Semi.Avalonia/Themes/SemiTheme.axaml.cs
+++ b/src/Semi.Avalonia/Themes/SemiTheme.axaml.cs
@@ -22,6 +22,7 @@ public class SemiTheme : Styles
         { new CultureInfo("ja-jp"), new ja_jp() },
         { new CultureInfo("uk-ua"), new uk_ua() },
         { new CultureInfo("ru-ru"), new ru_ru() },
+        { new CultureInfo("zh-tw"), new zh_tw() },
     };
 
     private readonly IServiceProvider? sp;