diff --git a/Runtime/Constant/Language.cs b/Runtime/Constant/Language.cs
index 4a4a209..132da07 100644
--- a/Runtime/Constant/Language.cs
+++ b/Runtime/Constant/Language.cs
@@ -21,5 +21,10 @@
         /// 日语。
         /// </summary>
         Japanese,
+
+        /// <summary>
+        /// 俄语。
+        /// </summary>
+        Russian,
     }
 }