{
  "background_color": "#ffffff",
  "dir": "ltr",
  "display": "standalone",
  "name": "学习助手",
  "orientation": "any",
  "scope": "/student/",
  "short_name": "学习助手",
  "start_url": "/student/",
  "theme_color": "#ffffff",
  "icons": [
  {
    "src": "1024x1024.png",
    "sizes": "1024x1024",
    "type": "image/png",
    "purpose": "any"
  }
]
}