9:16 的图片比例，生成一张抖音直播的截图，里面是 刘亦菲 在直播，刘亦菲 手里拿着牌子，牌子里写着 今晚直播，欢迎来参亦菲畅聊！
9:16 aspect ratio, generate a screenshot of a Douyin live stream, inside is Liu Yifei live streaming, Liu Yifei is holding a sign in her hand, the sign says Tonight's live stream, welcome to join Yifei for a chat!
