中途还是需要sudo怎么办呢？

我用命令sudo yo webapp webapp-by-yo运行，可是安装了一半后，还是会报错，提示【npm ERR! Please try running this command again as root/Administrator.】是不是说在程序自动下载或者创建目录的时候也需要sudo   那我到底该怎么处理呢？

npm ERR! Error: EACCES, mkdir '/Users/sunjunjie/.npm/fs-extra/0.16.3'

npm ERR!  { [Error: EACCES, mkdir '/Users/sunjunjie/.npm/fs-extra/0.16.3']

npm ERR!   errno: 3,

npm ERR!   code: 'EACCES',

npm ERR!   path: '/Users/sunjunjie/.npm/fs-extra/0.16.3',

npm ERR!   parent: 'phantomjs' }

npm ERR! 

npm ERR! Please try running this command again as root/Administrator.