diff --git a/src/Semi.Avalonia/Locale/ru-ru.axaml b/src/Semi.Avalonia/Locale/ru-ru.axaml
new file mode 100644
index 0000000..0807d44
--- /dev/null
+++ b/src/Semi.Avalonia/Locale/ru-ru.axaml
@@ -0,0 +1,24 @@
+<ResourceDictionary xmlns="https://github.com/avaloniaui"
+                    x:Class="Semi.Avalonia.Locale.ru_ru"
+                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <!-- DatePicker -->
+    <x:String x:Key="STRING_DATEPICKER_DAY_TEXT">день</x:String>
+    <x:String x:Key="STRING_DATEPICKER_MONTH_TEXT">месяц</x:String>
+    <x:String x:Key="STRING_DATEPICKER_YEAR_TEXT">год</x:String>
+    <!-- TimePicker -->
+    <x:String x:Key="STRING_TIMEPICKER_HOUR_TEXT">часы</x:String>
+    <x:String x:Key="STRING_TIMEPICKER_MINUTE_TEXT">минуты</x:String>
+    <!-- TextBox/SelectableTextBox flyout -->
+    <x:String x:Key="STRING_MENU_CUT">Вырезать</x:String>
+    <x:String x:Key="STRING_MENU_COPY">Копировать</x:String>
+    <x:String x:Key="STRING_MENU_PASTE">Вставить</x:String>
+    <!-- ManagedFileChooser -->
+    <x:String x:Key="STRING_CHOOSER_FILE_NAME">Имя файла</x:String>
+    <x:String x:Key="STRING_CHOOSER_SHOW_HIDDEN_FILES">Показать скрытые файлы</x:String>
+    <x:String x:Key="STRING_CHOOSER_DIALOG_OK">OK</x:String>
+    <x:String x:Key="STRING_CHOOSER_DIALOG_CANCEL">Cancel</x:String>
+    <x:String x:Key="STRING_CHOOSER_NAME_COLUMN">Имя</x:String>
+    <x:String x:Key="STRING_CHOOSER_DATEMODIFIED_COLUMN">Дата изменения</x:String>
+    <x:String x:Key="STRING_CHOOSER_TYPE_COLUMN">Тип</x:String>
+    <x:String x:Key="STRING_CHOOSER_SIZE_COLUMN">Размер</x:String>
+</ResourceDictionary>
\ No newline at end of file
diff --git a/src/Semi.Avalonia/Locale/ru-ru.axaml.cs b/src/Semi.Avalonia/Locale/ru-ru.axaml.cs
new file mode 100644
index 0000000..ad9bc07
--- /dev/null
+++ b/src/Semi.Avalonia/Locale/ru-ru.axaml.cs
@@ -0,0 +1,8 @@
+using Avalonia.Controls;
+
+namespace Semi.Avalonia.Locale;
+
+public class ru_ru : 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 88268f3..7ce1bd1 100644
--- a/src/Semi.Avalonia/Themes/SemiTheme.axaml.cs
+++ b/src/Semi.Avalonia/Themes/SemiTheme.axaml.cs
@@ -8,14 +8,15 @@ using Semi.Avalonia.Locale;
 
 namespace Semi.Avalonia;
 
-public class SemiTheme: Styles
+public class SemiTheme : Styles
 {
     private static readonly Dictionary<CultureInfo, ResourceDictionary> _localeToResource = new()
     {
         { new CultureInfo("zh-cn"), new zh_cn() },
         { new CultureInfo("en-us"), new en_us() },
+        { new CultureInfo("ru-ru"), new ru_ru() },
     };
-    
+
     private readonly IServiceProvider? sp;
     public SemiTheme(IServiceProvider? provider = null)
     {
@@ -28,17 +29,17 @@ public class SemiTheme: Styles
     {
         get => _locale;
         set
-        { 
+        {
             _locale = value;
             var resource = TryGetLocaleResource(value);
-            if(resource is null) return;
+            if (resource is null) return;
             foreach (var kv in resource)
             {
                 this.Resources.Add(kv);
             }
         }
     }
-    
+
     private static ResourceDictionary? TryGetLocaleResource(CultureInfo? locale)
     {
         if (locale is null)