{
  "name": "我的PWA应用",          
  "short_name": "我的应用",      
  "start_url": "/?source=pwa",   
  "display": "standalone",       
  "background_color": "#ffffff", 
  "theme_color": "#2196F3",      
  "icons": [                      
    {
      "src": "icon-192x192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "icon-512x512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ],
  "scope": "/",                   
  "orientation": "portrait",     
  "description": "一款轻量的PWA应用", 
  "lang": "zh-CN"
}