always npm error when i execute "npm run lint"

[webjohnjiang]

when i type "npm run lint", then lint result is ok, but at the end always show the npm Errors errors were link this:

/Users/xxxx/account/src/vuex/getters.js
  2:20  error  Extra semicolon  semi

/Users/xxxxx/account/src/vuex/store.js
  6:2  error  More than 1 blank line not allowed  no-multiple-empty-lines

✖ 45 problems (45 errors, 0 warnings)


npm ERR! Darwin 15.6.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "run" "lint"
npm ERR! node v4.5.0
npm ERR! npm  v2.15.9
npm ERR! code ELIFECYCLE
npm ERR! account@1.0.0 lint: `eslint --ext .js,.vue src test/unit/specs test/e2e/specs`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the account@1.0.0 lint script 'eslint --ext .js,.vue src test/unit/specs test/e2e/specs'.
npm ERR! This is most likely a problem with the account package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     eslint --ext .js,.vue src test/unit/specs test/e2e/specs
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs account
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!
npm ERR!     npm owner ls account
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /Users/cuiyongjian/Code/tencent/account/npm-debug.log

it does not effect the eslint result， but it disturbing...

===========以下是中文翻译========
你好，我用webpack脚手架创建的项目，在执行npm run lint进行代码检测的时候，总是在最后出现npm报错。
这个报错并不影响上面显示的lint错误，但是一大串的报错很令人心烦，请问是bug吗？

[LinusBorg]

Use -s to supress the npm errors. These will always show when the called script (eslint or whatever) exits with a code that is not 0

npm run lint -s

[webjohnjiang]

that's ok, thank you very much