diff --git a/backend/app/admin/schema/user.py b/backend/app/admin/schema/user.py
index ed97c20c..d0da918f 100644
--- a/backend/app/admin/schema/user.py
+++ b/backend/app/admin/schema/user.py
@@ -20,7 +20,7 @@ class AuthSchemaBase(SchemaBase):
 class AuthLoginParam(AuthSchemaBase):
     """用户登录参数"""
 
-    captcha_uuid: str | None = Field(None, description='验证码 UUID')
+    uuid: str | None = Field(None, description='验证码 UUID')
     captcha: str | None = Field(None, description='验证码')
 
 
diff --git a/backend/app/admin/service/auth_service.py b/backend/app/admin/service/auth_service.py
index 04f39199..a74b783c 100644
--- a/backend/app/admin/service/auth_service.py
+++ b/backend/app/admin/service/auth_service.py
@@ -103,14 +103,14 @@ async def login(
 
             await load_login_config(db)
             if settings.LOGIN_CAPTCHA_ENABLED:
-                if not obj.captcha_uuid or not obj.captcha:
+                if not obj.uuid or not obj.captcha:
                     raise errors.RequestError(msg=t('error.captcha.invalid'))
-                captcha_code = await redis_client.get(f'{settings.LOGIN_CAPTCHA_REDIS_PREFIX}:{obj.captcha_uuid}')
+                captcha_code = await redis_client.get(f'{settings.LOGIN_CAPTCHA_REDIS_PREFIX}:{obj.uuid}')
                 if not captcha_code:
                     raise errors.RequestError(msg=t('error.captcha.expired'))
                 if captcha_code.lower() != obj.captcha.lower():
                     raise errors.CustomError(error=CustomErrorCode.CAPTCHA_ERROR)
-                await redis_client.delete(f'{settings.LOGIN_CAPTCHA_REDIS_PREFIX}:{obj.captcha_uuid}')
+                await redis_client.delete(f'{settings.LOGIN_CAPTCHA_REDIS_PREFIX}:{obj.uuid}')
 
             await user_dao.update_login_time(db, obj.username)
             await db.refresh(user)