fix(critical): auth.js补userAuthMiddleware导入——缺失导致服务启动崩溃循环、API全502

server/src/routes/auth.js

@@ -19,6 +19,7 @@ const { User, Admin, AdminLog, LoginLog, VerificationCode } = require('../models
 const ApiResponse = require('../utils/response')
 const weChatService = require('../utils/weixin')
 const logger = require('../utils/logger')
+const { userAuthMiddleware } = require('../middleware/auth')
 const { sendVerificationCode } = require('../utils/mail')
 const axios = require('axios')