创建应用：

 $ express -c stylus myapp

然后用

 npm install && npm start

启动失败，报错：

 npm ERR! Windows_NT 6.1.7601
npm ERR! argv "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program Files\\nodejs
\\node_modules\\npm\\bin\\npm-cli.js" "start"
npm ERR! node v0.12.1
npm ERR! npm  v2.5.1
npm ERR! file C:\Windows\system32\cmd.exe;
npm ERR! path C:\Windows\system32\cmd.exe;
npm ERR! code ELIFECYCLE
npm ERR! errno ENOENT
npm ERR! syscall spawn C:\Windows\system32\cmd.exe;
npm ERR! [email protected] start: `node ./bin/www`
npm ERR! spawn C:\Windows\system32\cmd.exe; ENOENT
npm ERR!
npm ERR! Failed at the [email protected] start script 'node ./bin/www'.
npm ERR! This is most likely a problem with the myapp package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node ./bin/www
npm ERR! You can get their info via:
npm ERR!     npm owner ls myapp
npm ERR! There is likely additional logging output above.
npm ERR! Windows_NT 6.1.7601
npm ERR! argv "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program Files\\nodejs
\\node_modules\\npm\\bin\\npm-cli.js" "start"
npm ERR! node v0.12.1
npm ERR! npm  v2.5.1
npm ERR! code ELIFECYCLE

npm ERR! [email protected] start: `node ./bin/www`
npm ERR! Exit status -4058
npm ERR!
npm ERR! Failed at the [email protected] start script 'node ./bin/www'.
npm ERR! This is most likely a problem with the myapp package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node ./bin/www
npm ERR! You can get their info via:
npm ERR!     npm owner ls myapp
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     E:\nodeJS\expressStudy\myapp\npm-debug.log

但是使用

 node bin/www

则成功运行，请问这是为什么？是不是因为 windows cmd 没有 ls 命令？

 //package.json
{
  "name": "myapp",
  "version": "0.0.0",
  "private": true,
  "scripts": {
    "start": "node ./bin/www"
  },
  "dependencies": {
    "body-parser": "~1.12.0",
    "cookie-parser": "~1.3.4",
    "debug": "~2.1.1",
    "express": "~4.12.2",
    "jade": "~1.9.2",
    "morgan": "~1.5.1",
    "serve-favicon": "~2.2.0",
    "stylus": "0.42.3"
  }
}