{
  "code": 0,
  "data": {
    "ok": true,
    "app": "盐城邮政 AI 训战排行榜 MVP",
    "message": "后端服务连接成功",
    "serverTime": "2026-06-12T09:27:04.901Z",
    "nextStep": "小程序已可请求后端，下一步可接入 MySQL 和真实训练数据。"
  }
}