最近调用 https://api.weixin.qq.com/cgi-bin/token会偶发返回错误码-1000，之前好像从没遇到过，该错误码也没有在文档https://developers.weixin.qq.com/doc/offiaccount/Basic_Information/Get_access_token.html 中说明，请问是什么原因，谢谢

{"errcode":-1000,"errmsg":"system error rid: 62bd3be0-2f1a9ff9-4b24efb5","access_token":null,"expires_in":0}