{
     "name": "服务菜单",
     "short_name": "服务菜单",
     "start_url": "http://192.168.1.6:12345/",
     "display": "standalone",
     "icons": [
       {
         "src": "/logo.png",
         "sizes": "192x192",
         "type": "image/png"
       },
       {
         "src": "/logo.png",
         "sizes": "512x512",
         "type": "image/png"
       }
     ]
   }