{
  "name": "美术作业提交",
  "short_name": "作业提交",
  "start_url": "/upload.html",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#4A90A4",
  "orientation": "portrait",
  "icons": [
    {
      "src": "/pwa-icon.png",
      "sizes": "512x512",
      "type": "image/png",
      "purpose": "any maskable"
    }
  ]
}