$ npm run build

> mpvue@1.0.0 build D:wampwwwwebpackmpvuemy-project
> node build/build.js wx

D:wampwwwwebpackmpvuemy-projectuilduild.js:19
  if (err) throw err
           ^

Error: EPERM: operation not permitted, unlink 'D:wampwwwwebpackmpvuemy-projectdistwxcomponents'
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! mpvue@1.0.0 build: `node build/build.js wx`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the mpvue@1.0.0 build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:UsersAdministrator.KINGAppDataRoaming
pm-cache\_logs2019-03-04T01_42_19_971Z-debug.log