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。