Redux 教程服务端渲染，里面的例子跑不通

Redux 教程服务端渲染

是直接在counter上面改的

根据里面的步骤，跑不通，npm start就报错

npm ERR! Windows_NT 10.0.10586 npm ERR! argv "D:\\software\\nodejs\\node.exe" "D:\\software\\nodejs\\node_modul es\\npm\\bin\\npm-cli.js" "start" npm ERR! node v4.4.4 npm ERR! npm v2.15.1 npm ERR! code ELIFECYCLE npm ERR! [email protected] start: `if-env NODE_ENV=production && npm run start:prod || npm run start:dev` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at the [email protected] start script 'if-env NODE_ENV=production & & npm run start:prod || npm run start:dev'. npm ERR! This is most likely a problem with the tutorial package, npm ERR! not with npm itself. npm ERR! Tell the author that this fails on your system: npm ERR! if-env NODE_ENV=production && npm run start:prod || npm run start:d ev npm ERR! You can get information on how to open an issue for this project with: npm ERR! npm bugs tutorial npm ERR! Or if that isn't available, you can get their info via: npm ERR! npm ERR! npm owner ls tutorial npm ERR! There is likely additional logging output above. npm ERR! Please include the following file with any support request: npm ERR! D:\Nicholas\LW\testPro\redux\examples\Counter_Server_Render\npm-deb ug.log 

看不懂，有遇到过同样问题的朋友吗？，求分享。