{
  "name": "Xlingo AI 英语学习",
  "short_name": "Xlingo",
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  "start_url": "/",
  "scope": "/",
  "display": "standalone",
  "orientation": "portrait",
  "background_color": "#f6f7f4",
  "theme_color": "#f6f7f4",
  "icons": [
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      "sizes": "192x192",
      "type": "image/png",
      "purpose": "any maskable"
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      "sizes": "512x512",
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}