你是不是用了什么網絡代理？

試試這個方法：

```

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.