安装swiper插件时，报错，经过下边方法解决后，重新安装swiper，成功！
FetchError: request to https://registry.npmjs.org/swiper failed, reason: connect ECONNREFUSED 127.0.0.1:9000
问题描述：
解决方法：
1、取消npm代理设置，执行命令
npm config set proxy null
npm config set https-proxy null
2、添加淘宝镜像
npm --registry https://registry.npm.taobao.org info underscore
标签：FetchError,ECONNREFUSED,127.0,npm,registry,https,org,swiper From： https://www.cnblogs.com/stary-pointer/p/17022689.html