use Mix.Config

config :data,
  fromusername: "from",
  tousername: "to",
  msgtype: "news",
  articlecount: "2",
  articles:
    [
      item:
        [ [ title: "title",
            description: "description",
            pic_url: "http://pic_url",
            url: "http://baidu.com"
          ],
          [ title: "title",
            description: "description",
            pic_url: "http://pic_url",
            url: "http://baidu.com"
          ],
          [ title: "title",
            description: "description",
            pic_url: "http://pic_url",
            url: "http://baidu.com"
          ]
        ]
    ]