{

  “params”: {

    “wxAppid”: “**”,

    “addSource”: 0,

    “orderId”: “**”,

    “openid”: “**”,

    “deliveryId”: “ZTO”,

    “bizId”: “**”,

    “customRemark”: “**”,

    “sender”: {

      “name”: “**”,

      “tel”: “”,

      “mobile”: “**”,

      “company”: “**”,

      “postCode”: “”,

      “country”: “中国”,

      “province”: “**”,

      “city”: “**”,

      “area”: “**”,

      “address”: “**”

    },

    “receiver”: {

      “name”: “**”,

      “tel”: “”,

      “mobile”: “**”,

      “company”: “”,

      “postCode”: “”,

      “country”: “中国”,

      “province”: “重庆市”,

      “city”: “重庆市”,

      “area”: “**”,

      “address”: “**”

    },

    “cargo”: {

      “count”: 4,

      “weight”: 1,

      “spaceX”: 30.5,

      “spaceY”: 20,

      “spaceZ”: 20,

      “detailList”: [

        {

          “name”: “**”,

          “count”: 1

        },

        {

          “name”: “**”,

          “count”: 1

        },

        {

          “name”: “**”,

          “count”: 1

        },

        {

          “name”: “**”,

          “count”: 1

        }

      ]

    },

    “service”: {

      “serviceName”: “标准快件”,

      “serviceType”: 0

    },

    “shop”: {

      “imgUrl”: “**”,

      “goodsName”: “**”,

      “goodsCount”: 4,

      “wxaPath”: “pages/index/index”

    },

    “insured”: {

      “useInsured”: 0,

      “insuredValue”: 0

    },

    “expectTime”: 0

  },

  “error”: {

    “name”: “”,

    “message”: “货物数量、重量、尺寸不正确或者不合理”,

    “code”: 400,

    “mark”: 20006,

    “custom”: “”,

    “stdout”: true

  }

}

我用微信物流助手在线下单，物流公司是中通 cargo货物的信息如上cargo数据，错误信息如上error数据，我对比了微信物流助手文档没有发现参数不符合规范的地方，请问这个请求为什么出错呢？