你是不是用了什么网络代理？

试试这个方法：

```

npm config set registry http://registry.npmjs.org/

```

http://stackoverflow.com/questions/18419144/npm-not-working-read-econnreset

use

npm config set registry http://registry.npmjs.org/

so that npm requests for http url instead of https.

and then try the same npm install command.