iOS七牛云上传图片error=incorrect region, please use up-z2.qiniu.com

在上传图片到七牛云服务器上报错如下： info ===== <QNResponseInfo= id: CB441DB1-B50D-472A-8DAB-B07700E102C5, ver: 7.1.6, status: 400, requestId:XXXX, XXXX, xlog: RA:122.224.95.105:80;UP/400;NUPROXY:28/400, xvia: (null),

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