npm install error

[icecooly]

mac os 10.13.1
npm 5.4.2

npm install
npm WARN checkPermissions Missing write access to /Users/skydu/node_modules/has-symbol-support-x
npm WARN checkPermissions Missing write access to /Users/skydu/node_modules/got
npm WARN checkPermissions Missing write access to /Users/skydu/node_modules/_isurl@1.0.0@isurl/node_modules/has-to-string-tag-x
npm WARN checkPermissions Missing write access to /Users/skydu/node_modules/_isurl@1.0.0@isurl/node_modules/is-object
npm WARN checkPermissions Missing write access to /Users/skydu/node_modules/p-finally
npm WARN checkPermissions Missing write access to /Users/skydu/node_modules/_url-parse-lax@1.0.0@url-parse-lax/node_modules/prepend-http
npm WARN checkPermissions Missing write access to /Users/skydu/node_modules/has-to-string-tag-x/node_modules/has-symbol-support-x
npm WARN checkPermissions Missing write access to /Users/skydu/node_modules/_p-timeout@1.2.0@p-timeout/node_modules/p-finally
npm WARN checkPermissions Missing write access to /Users/skydu/node_modules/_vue-resource@1.3.4@vue-resource/node_modules/got
npm WARN skydu No description
npm WARN skydu No repository field.
npm WARN skydu No license field.

npm ERR! path /Users/skydu/node_modules/has-symbol-support-x
npm ERR! code ENOENT
npm ERR! errno -2
npm ERR! syscall access
npm ERR! enoent ENOENT: no such file or directory, access '/Users/skydu/node_modules/has-symbol-support-x'
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: