Failed at the node-sass@4.13.1 postinstall script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
看的第一遍，找不到sass，查看node-sass文件，里面没有文件解决办法下载sass之前，要先修改源先把node-modules删除掉执行以下命令npmconfigsetsass_binary_site=https://npm.taobao.org/mirrors/node-sass再npminstall ...
