diff --git a/backend/apps/system/schemas/system_schema.py b/backend/apps/system/schemas/system_schema.py
index 83902a24..d87ad615 100644
--- a/backend/apps/system/schemas/system_schema.py
+++ b/backend/apps/system/schemas/system_schema.py
@@ -16,6 +16,7 @@ class BaseUser(BaseModel):
     oid: int
 
 class BaseUserDTO(BaseUser, BaseCreatorDTO):
+    language: str
     password: str
     def to_dict(self):
         return {