为什么编译成功，没有报错，但是模拟器一点反应都没有哇？

{

  "pages": [

   "pages/sum/sum",

   "pages/two/two"

  ],

  "window": {

    "backgroundColor": "#F6F6F6",

    "backgroundTextStyle": "light",

    "navigationBarBackgroundColor": "#F6F6F6",

    "navigationBarTitleText": "μ read",

    "navigationBarTextStyle": "black"

  },

  "tabBar": {

    "list": [{

      "color": "#8a8a8a",

      "selectedColor": "#2c2c2c",

      "pagePath": "pages/sum/sum",

      "text": "μ论",

      "iconPath": "images/星球.png",

      "selectedIconPath": "images/明暗.png"

    },{

      "color": "#8a8a8a",

      "selectedColor": "#2c2c2c",

      "pagePath": "pages/two/two",

      "text": "空间",

      "iconPath": "images/太阳.png",

      "selectedIconPath": "images/明暗(1).png"

    }]

  },

  "sitemapLocation": "sitemap.json",

  "style": "v2"

}