video标签中添加muted属性,代码: <video muted src="" autoplay loop></video>
<video style=" width:1200px; height: auto;" autoplay="autoplay" muted="true" loop="true" controls="controls" poster="1200x600.jpg"> <source src="视频.mp4" type="video/mp4"/> <object data="SWIT20200408.mp4" style=" width:1200px; height: auto;"></object> </video>