请求链接：https://qyapi.weixin.qq.com/cgi-bin/externalcontact/batch/get_by_user?access_token=token&userid=id

返回提示{"errcode":41009,"errmsg":"missing userid, hint: [], from ip: , more info at https://open.work.weixin.qq.com/devtool/query?e=41009","external_contact_list":[]}