你好，你能提供一些关于你的问题的更多信息吗？
您正在使用哪个运行时遇到多个轨道的问题？
您能否向我们提供一些代码或您的问题的屏幕截图？
播放失败时是否生成任何错误日志？
Hello, could you provide some more information about your issue?
Which runtime are you using that you're encountering issues with multiple tracks?
Could you provide us with some code, or with screenshots of your issue?
Are any error logs generated when playback fails?
