diff --git a/backend/apps/system/crud/user.py b/backend/apps/system/crud/user.py
index 4c96d124..ae6ed887 100644
--- a/backend/apps/system/crud/user.py
+++ b/backend/apps/system/crud/user.py
@@ -3,7 +3,7 @@ from typing import Optional
 from sqlmodel import Session, func, select, delete as sqlmodel_delete
 from apps.system.models.system_model import UserWsModel, WorkspaceModel
 from apps.system.schemas.auth import CacheName, CacheNamespace
-from apps.system.schemas.system_schema import BaseUserDTO, UserInfoDTO, UserWs
+from apps.system.schemas.system_schema import EMAIL_REGEX, PWD_REGEX, BaseUserDTO, UserInfoDTO, UserWs
 from common.core.deps import SessionDep
 from common.core.sqlbot_cache import cache, clear_cache
 from common.utils.locale import I18n
@@ -78,18 +78,7 @@ def check_email_exists(*, session: Session, email: str) -> bool:
     return session.exec(select(func.count()).select_from(UserModel).where(UserModel.email == email)).one() > 0
 
 
-# 预编译正则表达式，提高效率
-EMAIL_REGEX = re.compile(
-    r"^[a-zA-Z0-9]+([._-][a-zA-Z0-9]+)*@"
-    r"([a-zA-Z0-9]+(-[a-zA-Z0-9]+)*\.)+"
-    r"[a-zA-Z]{2,}$"
-)
 
-PWD_REGEX = re.compile(
-    r"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)"
-    r"(?=.*[~!@#$%^&*()_+\-={}|:\"<>?`\[\];',./])"
-    r"[A-Za-z\d~!@#$%^&*()_+\-={}|:\"<>?`\[\];',./]{8,20}$"
-)
 def check_email_format(email: str) -> bool:
     return bool(EMAIL_REGEX.fullmatch(email))
 
diff --git a/backend/apps/system/schemas/system_schema.py b/backend/apps/system/schemas/system_schema.py
index cb0c757f..ecec9ed2 100644
--- a/backend/apps/system/schemas/system_schema.py
+++ b/backend/apps/system/schemas/system_schema.py
@@ -1,8 +1,19 @@
 from typing import Optional
-from pydantic import BaseModel
+from pydantic import BaseModel, Field, field_validator
 
 from common.core.schemas import BaseCreatorDTO
+import re
 
+EMAIL_REGEX = re.compile(
+    r"^[a-zA-Z0-9]+([._-][a-zA-Z0-9]+)*@"
+    r"([a-zA-Z0-9]+(-[a-zA-Z0-9]+)*\.)+"
+    r"[a-zA-Z]{2,}$"
+)
+PWD_REGEX = re.compile(
+    r"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)"
+    r"(?=.*[~!@#$%^&*()_+\-={}|:\"<>?`\[\];',./])"
+    r"[A-Za-z\d~!@#$%^&*()_+\-={}|:\"<>?`\[\];',./]{8,20}$"
+)
 class model_status(BaseModel):
     status: bool
     ids: list[int]
@@ -13,11 +24,11 @@ class UserLanguage(BaseModel):
     
 
 class BaseUser(BaseModel):
-    account: str
+    account: str = Field(min_length=1, max_length=100, description="用户账号")
     oid: int
-
+    
 class BaseUserDTO(BaseUser, BaseCreatorDTO):
-    language: str
+    language: str = Field(pattern=r"^(zh-CN|en)$", default="zh-CN", description="用户语言")
     password: str
     status: int = 1
     def to_dict(self):
@@ -26,12 +37,23 @@ class BaseUserDTO(BaseUser, BaseCreatorDTO):
             "account": self.account,
             "oid": self.oid
         }
+    @field_validator("language")
+    def validate_language(cls, lang: str) -> str:
+        if not re.fullmatch(r"^(zh-CN|en)$", lang):
+            raise ValueError("Language must be 'zh-CN' or 'en'")
+        return lang
 
 class UserCreator(BaseUser):
-    name: str
-    email: str
+    name: str = Field(min_length=1, max_length=100, description="用户名")
+    email: str = Field(min_length=1, max_length=100, description="用户邮箱")
     status: int = 1
     oid_list: Optional[list[int]] = None 
+    
+    """ @field_validator("email")
+    def validate_email(cls, lang: str) -> str:
+        if not re.fullmatch(EMAIL_REGEX, lang):
+            raise ValueError("Email format is invalid!")
+        return lang """
 
 class UserEditor(UserCreator, BaseCreatorDTO):
    pass