vue video src改變 頁面不刷新

<div class="circles-video" v-if="circle.content.Video" :title="circle.content.Video.Url">
    <video class="video"  controls>
         <source :src="getVideoUrl(circle)" type="video/mp4"> 
    </video>
</div>
 

 

<div class="circles-video" v-if="circle.content.Video" :title="circle.content.Video.Url">
    <video class="video" :src="circle.content.Video.Url" controls></video>
</div>