{
    "name": "OnTime",
    "short_name": "OnTime",
    "start_url": ".",
    "display": "standalone",
    "background_color": "#F2F2F7",
    "theme_color": "#007AFF",
    "description": "再也不错过每一个截止日期。作业与考试提醒、资料整合、项目协作。",
    "orientation": "portrait-primary",
    "prefer_related_applications": false,
    "icons": [
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            "type": "image/png"
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            "sizes": "512x512",
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        },
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            "sizes": "192x192",
            "type": "image/png",
            "purpose": "maskable"
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            "src": "icons/Icon-maskable-512.png",
            "sizes": "512x512",
            "type": "image/png",
            "purpose": "maskable"
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}