使用 npm install cnpm -g 安装淘宝镜像加速器cnpm 时报错：
npm ERR! code ERR_TLS_CERT_ALTNAME_INVALID npm ERR! errno ERR_TLS_CERT_ALTNAME_INVALID npm ERR! request to https://registry.cnpmjs.org/cnpm failed, reason: Hostname/IP does not match certificate's altnames: Host: registry.cnpmjs.org. is not in the cert's altnames: DNS:r.cnpmjs.org npm ERR! A complete log of this run can be found in: npm ERR! C:\Users\ASUS\AppData\Roaming\npm-cache\_logs\2020-10-08T12_17_57_800Z-debug.log解决办法：
输入如下命令：
npm config set strict-ssl false npm install -g supervisor执行成功后再执行：npm install cnpm -g 即可！
