diff --git a/app/controller/add_user_route.py b/app/controller/add_user_route.py
index 9d4877e..b22a356 100644
--- a/app/controller/add_user_route.py
+++ b/app/controller/add_user_route.py
@@ -8,7 +8,7 @@ from starlette import status
 from starlette.requests import Request
 
 from app.config.env import env
-from app.model.UserModel import RegistryUser, UserModel, UserValidate, PublicUser, UserService
+from app.model.UserModel import RegistryUser, UserModel, PublicUser, UserService
 from app.utils.CrpyUtils import CryptUtils, TokenInfo
 from app.utils.db_utils import AsyncSessionDep
 from app.utils.next_id import next_id
@@ -48,7 +48,7 @@ def add_user_route(app: FastAPI):
       email=registry_user.email,
       full_name=registry_user.full_name,
       hash_password=hash_password,
-      valid=UserValidate.N,
+      valid='N',
     )
     user.id = await next_id()
     session.add(user)
@@ -85,7 +85,7 @@ def add_user_route(app: FastAPI):
     if not item_cls:
       return {"result": None, "error": f"用户 {username} 不存在"}
 
-    item_cls.valid = UserValidate.Y
+    item_cls.valid = 'Y'
     session.add(item_cls)
     await session.commit()
     await session.refresh(item_cls)
@@ -168,7 +168,7 @@ async def authenticate_user(session: AsyncSessionDep, username: str, password: s
   if not item_cls:
     return None
 
-  if item_cls.valid != UserValidate.Y:
+  if item_cls.valid != 'Y':
     return None
 
   if not CryptUtils.verify_password(password, item_cls.hash_password):
diff --git a/app/model/UserModel.py b/app/model/UserModel.py
index 39c3d5c..98456b1 100644
--- a/app/model/UserModel.py
+++ b/app/model/UserModel.py
@@ -11,17 +11,12 @@ from app.utils.create_module_service import create_model_service
 from app.utils.redis_utils import remove_redis_cache
 
 
-class UserValidate(str, Enum):
-  Y = 'Y'
-  N = 'N'
-
-
 # 公共的，也是最后返回给前端的一个用户信息数据类型
 class PublicUser(BasicModel):
   username: str = Field(..., description="用户名")
   email: str = Field(..., description="邮箱")
   full_name: str = Field(..., description="用户全名")
-  valid: UserValidate = Field(default=UserValidate.N, description="用户账号是否已经激活")
+  valid: str = Field(default='N', description="用户账号是否已经激活")
 
 
 # 注册的时候，客户端传入的用户信息，需要包含这个明文密码字段