{"errcode":40001,"errmsg":"invalid credential, acc
https://api.weixin.qq.com/cgi-bin/qrcode/create?access_token=xxx
{“errcode”:40001,“errmsg”:“invalid credential, access_token is invalid or not latest hints: [nhNAkiuhE-T.hcva!]”}
token为啥多次调用的时候,就报这个错