https://api.weixin.qq.com/wxa/setdynamicdata?access_token=？  

post如下官方文档数据后

{

    "data": "{\"items\":[{\"from\":{\"city_name_cn\":\"广州市\"},\"to\":{\"city_name_cn\":\"北京市\"}}], \"attribute\": {\"count\": 1, \"totalcount\": 100, \"id\": \"1\", \"seq\": 0}}",

    "lifespan": 86400,

    "query": "{\"type\":100005}",

    "scene": 1

}

返回结果

{

    "errcode": 85057,

    "errmsg": "invalid widget data format",

    "search_widget_err_info": {

        "errcode": -2,

        "errmsg": "Fail catch unknown field \"from\", Error before \":{\"city_name_cn\":\"广州市\"},\"to\":{\"city_name_cn\":\"北京市\"}}], \"attribute\": {\"count\": 1, \"totalcount\": 100, \"id\": \"1\", \"seq\": 0}}"

    }

}

appid

wxc0ebb192b589112e