good version for web

backend/app/dependencies.py

@@ -5,13 +5,14 @@
 from fastapi import Depends, HTTPException, status
 from fastapi.security import OAuth2PasswordBearer
 from sqlalchemy.orm import Session
+from typing import Optional
 
 from app.models.database import get_db
 from app.services.user import UserService
 from app.schemas.user import UserResponse
 
 # OAuth2密码Bearer
-oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/v1/users/login")
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="/api/v1/users/login", auto_error=False)
 
 
 async def get_current_active_user(db: Session = Depends(get_db), token: str = Depends(oauth2_scheme)):
@@ -25,4 +26,19 @@ async def get_current_active_user(db: Session = Depends(get_db), token: str = De
         )
     if hasattr(user, 'status') and user.status != "active":
         raise HTTPException(status_code=400, detail="Inactive user")
-    return user
+    return user
+
+
+async def get_current_active_user_optional(db: Session = Depends(get_db), token: Optional[str] = Depends(oauth2_scheme)):
+    """获取当前活跃用户（可选，未登录返回None）"""
+    if not token:
+        return None
+    try:
+        user = UserService.get_current_user(db, token)
+        if not user:
+            return None
+        if hasattr(user, 'status') and user.status != "active":
+            return None
+        return user
+    except:
+        return None