npm 安装插件报错，提示证书过期CERT_HAS_EXPIRED：

npm ERR! code CERT_HAS_EXPIRED

npm ERR! errno CERT_HAS_EXPIRED

npm ERR! request to registry.npm.taobao.org/wavesurfer.… failed, reason: certificate has expired

解决方案：

npm cache clean --force //把npm缓存都删除了

npm config set strict-ssl false //取消ssl验证

npm install