npm ERR! Darwin 14.3.0npm ERR! argv "/usr/local/Cellar/node/6.4.0/bin/node" "/usr/local/bin/npm" "install"npm ERR! node v6.4.0npm ERR! npm  v4.0.5npm ERR! code ELIFECYCLEnpm ERR! phantomjs-prebuilt@2.1.14 install: `node install.js`npm ERR! Exit status 1npm ERR! npm ERR! Failed at the phantomjs-prebuilt@2.1.14 install script 'node install.js'.npm ERR! Make sure you have the latest version of node.js and npm installed.npm ERR! If you do, this is most likely a problem with the phantomjs-prebuilt package,npm ERR! not with npm itself.npm ERR! Tell the author that this fails on your system:npm ERR!     node install.jsnpm ERR! You can get information on how to open an issue for this project with:npm ERR!     npm bugs phantomjs-prebuiltnpm ERR! Or if that isn't available, you can get their info via:npm ERR!     npm owner ls phantomjs-prebuiltnpm ERR! There is likely additional logging output above.npm ERR! Please include the following file with any support request:npm ERR!     /Users/admin/vuex_demo/npm-debug.log每次都有phantomjs-prebuilt@2.1.14 install: `node install.js`这个错误于是在网上找了一些解决方案使用npm install phantomjs-prebuilt@2.1.14 --ignore-scripts 即可至于报错原因暂时还不清楚