解決方法:
<video x5-playsinline="true" playsinline="true" webkit-playsinline="true" :poster="option.cover_pic_url ? option.cover_pic_url : $bigDefaultImg" v-if="option.content_file_url" controls="controls">
<source :src="option.content_file_url" type="video/mp4">
<source :src="option.content_file_url" type="video/ogg">
<source :src="option.content_file_url" type="video/webm" />
Your browser does not support the video tag.
</video>