vue 初始化项目报错

F:creatGit>npm install webpack -g
npm ERR! Unexpected end of JSON input while parsing near '...rimraf-2.0.0.tgz"},"e'

npm ERR! A complete log of this run can be found in:
npm ERR!     C:UsersAdministratorAppDataRoaming
pm-cache\_logs2018-06-01T09_34_35_682Z-debug.log

F:creatGit>npm cache clean --force
npm WARN using --force I sure hope you know what you are doing.

F:creatGit>npm install webpack -g
C:UsersAdministratorAppDataRoaming
pmwebpack -> C:UsersAdministratorAppDataRoaming
pm
ode_moduleswebpackinwebpack.js

  执行  

npm cache clean --force
然后再吃初始化