{
  "name": "Laowang - 老王的摄影博客",
  "version": "0.1",
  "short_name": "Laowang",
  "start_url": "/",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#ffffff",
  "orientation": "portrait",
 "icons": [
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      "sizes": "64x64 32x32 24x24 16x16",
      "type": "image/x-icon"
    },
    {
      "src": "/pwa/pwa-192x192.png", 
      "type": "image/png",
      "sizes": "192x192"
    },
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      "type": "image/png",
      "sizes": "512x512"
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}