安装gulp报错，谁能解决

npm ERR! path /usr/local/lib/node_modules/gulp/node_modules/atob/bin/atob.js

npm ERR! code ENOENT

npm ERR! errno -2

npm ERR! syscall chmod

npm ERR! enoent ENOENT: no such file or directory, chmod '/usr/local/lib/node_modules/gulp/node_modules/atob/bin/atob.js'

npm ERR! enoent This is related to npm not being able to find a file.

npm ERR! enoent

npm ERR! A complete log of this run can be found in:

npm ERR!     /Users/shawn/.npm/_logs/2019-01-03T06_50_13_276Z-debug.log