npm install 错误

$ npm install
npm ERR! Windows_NT 10.0.10586
npm ERR! argv "D:\\SysVars\\nodejs\\" "D:\\SysVars\\nodejs\\node_modules\\npm\\bin\\" "install"
npm ERR! node v4.4.7
npm ERR! npm v2.15.8
npm ERR! path D:\Workspace\myblog\node_modules\hexo-renderer-ejs
npm ERR! code UNKNOWN
npm ERR! errno -4094
npm ERR! syscall lstat
npm ERR! UNKNOWN: unknown error, lstat 'D:\Workspace\myblog\node_modules\hexo-renderer-ejs'
npm ERR!
npm ERR! If you need help, you may report this error at:
npm ERR! </npm/npm/issues>
npm ERR! error rolling back Error: UNKNOWN: unknown error, lstat 'D:\Workspace\myblog\node_modules\hexo-renderer-ejs'
npm ERR! error rolling back at Error (native)
npm ERR! error rolling back { [Error: UNKNOWN: unknown error, lstat 'D:\Workspace\myblog\node_modules\hexo-renderer-ejs']
npm ERR! error rolling back errno: -4094,
npm ERR! error rolling back code: 'UNKNOWN',
npm ERR! error rolling back syscall: 'lstat',
npm ERR! error rolling back path: 'D:\\Workspace\\myblog\\node_modules\\hexo-renderer-ejs' }
npm ERR! Please include the following file with any support request:
npm ERR! D:\Workspace\myblog\