text: module.exports = {
    port: 3000,
    env: 'dev',
    mongo: {
      uri: 'mongodb://localhost/expert-sys'
    },
    session: {
      secret: 'expertsys'
    },
    //用户角色种类
    userRoles: ['user', 'admin'],
    cookie: {
      maxAge: 90000,
      domain: 'localhost'
    }
  }
  