npm install 不到

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Thomas-ari-book:cfunWeb user$ npm i --save nodemailer-wellknown npm ERR! Darwin 14.5.0 npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "i" "--save" "nodemailer-wellknown" npm ERR! node v4.0.0 npm ERR! npm v2.14.2 npm ERR! code EPEERINVALID npm ERR! peerinvalid The package phantomjs@1.9.18 does not satisfy its siblings' peerDependencies requirements! npm ERR! peerinvalid Peer mocha-phantomjs@3.6.0 wants phantomjs@1.9.1 - 1.9.7-15 npm ERR! Please include the following file with any support request: npm ERR! /Users/user/WebstormProjects/cfunWeb/npm-debug.log Thomas-ari-book:cfunWeb user$ npm -v 2.14.2