Enable hotkeys for HTML5 playback: video screenshot; enable/disable picture-in-picture; copy cached video; send any video to full screen or browser window size; fast forward, rewind, pause/play, volume, skip to next video, skip to previous or next frame, set playback speed. Video sites supported: YouTube, TED, Youku, QQ.com, bilibili, ixigua, iQiyi, support mainstream video sites in mainland China; Live broadcasts: Twitch, Douyu.com, YY.com, Huya.com. Custom sites can be added
反馈一个问题：
在TED上，开启【TED强制高清】时，TED官方字幕的时间轴和视频播放时间轴对不上。
也就是说开启此选项时，TED字幕和视频内容不同步。
还希望进行排查修复，谢谢作者！