<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Page Title</title>
</head>
<body>
<video id="video" controls preload="metadata" height='400px' width='500px'src="https://media.w3.org/2010/05/sintel/trailer_hd.mp4">
<track label="English" kind="subtitles" srclang="en" src="https://video-react.js.org/assets/elephantsdream/captions.en.vtt" default>
<track label="Deutsch" kind="subtitles" srclang="de" src="https://video-react.js.org/assets/elephantsdream/captions.en.vtt">
<track label="Español" kind="subtitles" srclang="es" src="https://video-react.js.org/assets/elephantsdream/captions.en.vtt">
</video>
</body>
</html>
我使用了HTMl 5视频标签。视频工作正常，但字幕不起作用。请大家给我任何建议。这是https://video-react.js.org/assets/elephantsdream/captions.en.vtt字幕文件
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Page Title</title>
</head>
<body>
<video id="video" controls preload="metadata" height='400px' width='500px' src="https://media.w3.org/2010/05/sintel/trailer_hd.mp4">
<track label="English" kind="subtitles" srclang="en" src="https://video-react.js.org/assets/elephantsdream/captions.en.vtt" default>
<track label="Deutsch" kind="subtitles" srclang="de" src="https://video-react.js.org/assets/elephantsdream/captions.en.vtt">
<track label="Español" kind="subtitles" srclang="es" src="https://video-react.js.org/assets/elephantsdream/captions.en.vtt">
</video>
</body>
</html>如果您从控制台检查错误，您将看到如下消息：