{"name":"Letter 彩票数据分析","short_name":"Letter","description":"彩票数据采集、分析与展示平台","start_url":"/","display":"standalone","background_color":"#ffffff","theme_color":"#409eff","lang":"en","scope":"/","icons":[{"src":"favicon-v2.svg","sizes":"any","type":"image/svg+xml","purpose":"any"}]}