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backend/app/api/auth.py

@@ -4,7 +4,8 @@
 from fastapi import APIRouter, Depends, HTTPException, status
 from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
 from sqlalchemy.orm import Session
-from pydantic import BaseModel, EmailStr
+from pydantic import BaseModel, field_validator
+import re
 import logging
 from app.core.database import get_db
 from app.core.security import verify_password, get_password_hash, create_access_token
@@ -31,9 +32,16 @@ oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/v1/auth/login")
 class UserCreate(BaseModel):
     """用户创建模型"""
     username: str
-    email: EmailStr
+    email: str
     password: str
 
+    @field_validator("email")
+    @classmethod
+    def email_format(cls, v: str) -> str:
+        if not v or not re.match(r"^[^@]+@[^@]+\.[^@]+$", v):
+            raise ValueError("邮箱格式无效")
+        return v.lower()
+
 
 class UserResponse(BaseModel):
     """用户响应模型"""