调用企业微信客户联系人自建应用获取外部联系人接口返回异常，系统繁忙 错误码-1

客户联系自建应用

批量获取客户详情接口，如下：

https://qyapi.weixin.qq.com/cgi-bin/externalcontact/batch/get_by_user?access_token=ACCESS_TOKEN

返回异常，异常如下：

{"req":{"userid_list":["ZhuShou26"],"cursor":"OnbIDev2uYrSHIsx5ZB6LSc-u7_lFqP9mk2-rn0x3_0","limit":100},"resp":{"errcode":-1,"errmsg":"system error, hint: [1688029889431491605499515], from ip: 124.222.14.44, more info at https://open.work.weixin.qq.com/devtool/query?e=-1","external_contact_list":[],"next_cursor":"xjQhbwn7GkpA7lPu9z49pKKusnz-XSvZgJ-d7VFjg9w"},"time":"2023-06-29T17:11:31+08:00"}

没有超频，这里是怎么出现的呢