{"background_color": "#f4f5f7", "description": "跨设备文件快传", "display": "standalone", "icons": [{"purpose": "any", "sizes": "192x192", "src": "logo3-192.png", "type": "image/png"}, {"purpose": "any", "sizes": "512x512", "src": "logo3-512.png", "type": "image/png"}], "name": "快传", "short_name": "快传", "start_url": ".", "theme_color": "#2563eb"}