npm查看源

源：https://www.jianshu.com/p/748a65d4f7a5

查看源

npm config get registry

// 或

npm config list

修改源

# 默认源

npm config set registry https://registry.npmjs.org

# https -> http，这样网速就会好很多

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

# 如果还不能下载，就切换成淘宝源

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