执行 Ruff 安全自动修复

web/backend/routers/login.py

@@ -2,16 +2,17 @@
 
 import asyncio
 import threading
-from datetime import datetime
+
 from fastapi import APIRouter, Depends, HTTPException, WebSocket, WebSocketDisconnect
 from sqlalchemy import func
 from sqlalchemy.orm import Session, defer, load_only
 
-from ..database import get_db, SessionLocal
-from ..models import User, Account, LoginTask, ProxyConfig as ProxyConfigModel
+from ..database import SessionLocal, get_db
+from ..deps import authenticate_websocket, get_current_user, require_permission
+from ..models import Account, LoginTask, User
+from ..models import ProxyConfig as ProxyConfigModel
+from ..permissions import get_user_permissions, user_has_permission
 from ..schemas import LoginBatchRequest, LoginTaskOut
-from ..deps import get_current_user, require_permission, authenticate_websocket
-from ..permissions import user_has_permission, get_user_permissions
 from ..services.login_service import LoginBatchRunner, batch_registry
 
 router = APIRouter(prefix="/api/login", tags=["登录任务"])
@@ -259,7 +260,7 @@ async def ws_login_logs(websocket: WebSocket, batch_id: str):
                 if msg.get("level") == "result":
                     await asyncio.sleep(0.1)
                     break
-            except asyncio.TimeoutError:
+            except TimeoutError:
                 await websocket.send_json({"level": "heartbeat", "message": ""})
     except WebSocketDisconnect:
         pass