<p>【问题描述】1006213026 老师这节课开头的外教视频没声音，辛苦老师帮忙看下能修吗</p><br/><br/><table border="0" cellpadding="0" cellspacing="0"><tbody><tr><td colspan="1" rowspan="1"><a data-v-c8eb5fd0="" href="https://static-online-classroom.saasp.vdyoo.com//classroom/projectresource/playback_video_v1/index.html?params={%22src%22:%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%22,%22isPower%22:false}" target="_blank">https://static-online-classroom.saasp.vdyoo.com//classroom/projectresource/playback_video_v1/index.html?params={"src":"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","isPower":false}</a></td></tr></tbody></table><br/>