功能说明
支持列表: 抖音视频、哔哩哔哩、YouTube、TikTok
指令示例:@getletbot jx https://v.douyin.com/6BEYVNs@getletbot jx https://v.douyin.com/ie6u3554@getletbot jx https://www.youtube.com/watch?v=g4wBVvB-2qU@getletbot jx https://www.bilibili.com/video/BV1o64y167qq
