错误信息： npm ERR! bcrypt@0.8.0 install: node-gyp rebuild npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the bcrypt@0.8.0 install script. npm ERR! This is most likely a problem with the bcrypt package, npm ERR! not with npm itself. npm ERR! Tell the author that this fails on your system: npm ERR! node-gyp rebuild npm ERR! You can get their info via: npm ERR! npm owner ls bcrypt npm ERR! There is likely additional logging output above. npm ERR! System Darwin 14.0.0 npm ERR! command “/Users/baiyu/.nvm/v0.10.32/bin/node” “/Users/baiyu/.nvm/v0.10.32/bin/npm” “install” “bcrypt” "–save-dev" npm ERR! cwd /Users/baiyu/Projects/Node/imooc npm ERR! node -v v0.10.32 npm ERR! npm -v 1.4.28 npm ERR! code ELIFECYCLE npm ERR! not ok code 0 解决办法： sudo npm install -g node-gyp 搞了一下午。。。