报错情况：

<code>[2/4] Fetching packages...

error Error: certificate has expired

at TLSSocket.onConnectSecure (node:_tls_wrap:1539:34)

at TLSSocket.emit (node:events:513:28)

at TLSSocket._finishInit (node:_tls_wrap:953:8)

at TLSWrap.ssl.onhandshakedone (node:_tls_wrap:734:12)

info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.

 StackOver同样有这样的问题

解决方法：

①禁用SSL证书验证

<code>yarn config set strict-ssl false

②重新设置npm镜像源（二选一）

npm config set registry http://registry.cnpmjs.org

npm config set registry http://registry.npm.taobao.org