409 Conflict - PUT https://registry.npm.taobao.org/-/user/org.couchdb.user:zphtown - [conflict]
原因是npm设置了淘宝源,切换回来就行了:npm config set registry https://registry.npmjs.org/参考这篇文章:https://blog.csdn.net/adc_god/article/details/77989869