接口：https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/industry/express/business/intracity_service.html#_2-2-%E5%88%9B%E5%BB%BA%E9%97%A8%E5%BA%97

报错返回值：

{

    "errcode": 934999,

    "errmsg": "kv system fail rid: 69660e4e-15bee255-70be1e47",

    "_appid": "wx3d5f047f590f7e63",

    "_timestamp": 1768296014,

    "_n": "6bd4dec81613740b4dff61781512f74b"

}