接口：/wxa/submit_audit
请求body体：

{"item_list":[{"first_class":"体育","second_class":"体育场馆服务","first_id":674,"second_id":676},{"first_class":"体育","second_class":"在线健身","first_id":674,"second_id":682},{"first_class":"生活服务","second_class":"休闲娱乐","first_id":150,"second_id":666},{"first_class":"体育","second_class":"体育培训","first_id":674,"second_id":680},{"first_class":"工具","second_class":"信息查询","first_id":287,"second_id":612}]}

返回值：{"errcode":47001,"errmsg":"data format error rid: 6487cd65-6bd03f89-154f8569"}