{
    "name": "Mac导航",
    "short_name": "Mac导航",
    "description": "Mac导航",
    "start_url": "/",
    "display": "standalone",
    "background_color": "#ffffff",
    "theme_color": "#333333",
    "icons": [
      {
        "src": "/x/home/icon4/4.png",
        "sizes": "192x192",
        "type": "image/png"
      },
      {
        "src": "/x/home/icon4/4.png",
        "sizes": "512x512",
        "type": "image/png"
      },
      {
        "src": "/x/home/icon4/4.png",
        "sizes": "512x512",
        "type": "image/png",
        "purpose": "maskable"
      }
    ]
  }