{
    "background_color": "purple",
    "display": "fullscreen",
    "icons": [
      {
        "src": "./../img/K.png",
        "sizes": "38x38",
        "type": "image/png"
      },
      {
        "src": "./../img/fox-icon.png",
        "sizes": "192x192",
        "type": "image/png"
      }
    ],
    "name": "桂林字牌官网",
    "short_name": "字牌官网",
    "start_url": "/"
  }