{"success":true,"message":"这是后端接口服务，不是登录网页。请打开前端地址（本地开发一般为 http://127.0.0.1:6001/ ）。健康检查：GET /api/health","data":{"service":"shipping-management-api","health":"/api/health","frontend_dev":"http://127.0.0.1:6001/"}}