npm install时报错 npm ERR！Windows_NT 6.1.7601

<img src="https://img-blog.csdn.net/20160526163643902?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQv/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center" height="284" width="435" alt="" style="border: none; max-width: 100%;" />

解决办法：先设置代理为空 npm config set proxy null， 然后再npm install cnpm -g --registry=https://registry.npm.taobao.org！