1.经过config命令 npm config set registry https://registry.npm.taobao.org npm info underscore (若是上面配置正确这个命令会有字符串response)npm
2.命令行指定 npm --registry https://registry.npm.taobao.org info underscore命令行
3.编辑 ~/.npmrc 加入下面内容 registry = https://registry.npm.taobao.org字符串