Npm工作正常，然后今天我尝试使用以下命令安装@ ngui / tab：
npm install @ngui/tab --save
它给了我以下错误：
0 info it worked if it ends with ok
1 verbose cli [ 'C:\\Program Files\\nodejs\\node.exe',
1 verbose cli 'C:\\Users\\alpha\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js',
1 verbose cli 'install',
1 verbose cli 'core-js' ]
2 info using npm@5.0.4
3 info using node@v6.11.0
4 verbose npm-session 08b82689ec3193f8
5 silly install loadCurrentTree
6 silly install readLocalPackageData
7 silly fetchPackageMetaData error for core-js@file:node_modules\core-js ELOOP: too many symbolic links encountered, open 'D:\Crescendo veille\app2\node_modules\core-js\package.json'
8 verbose stack Error: ELOOP: too many symbolic …