node-sass 安装失败 Failed at the nod

npm ERR! code ELIFECYCLE

npm ERR! errno 1

npm ERR! node-sass@4.9.2 postinstall: node scripts/build.js

npm ERR! Exit status 1

npm ERR!

npm ERR! Failed at the node-sass@4.9.2 postinstall script.

npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

解决方法：

1.先把项目里的node_modules删除

2.执行以下命令

npm config set registry [https://registry.npm.taobao.org](https://registry.npm.taobao.org)

3.再执行下面的命令

npm install