npm-yarn，淘宝镜像地址（with your networ

参考地址：

（1）https://blog.csdn.net/weixin_55666891/article/details/145574859
（2）https://blog.csdn.net/liuguoqinga/article/details/127601771

一：查看yarn配置 

查看当前使用的源 yarn config list

二：改变源 ：

yarn config set registry https://registry.npmmirror.com(推荐)

或 

yarn config set registry https://registry.npm.taobao.org

三：移除原代理

yarn configdeleteproxy

npmconfig rm proxy

npmconfig rm https-proxy