每次刷新頁面隨機調(diào)用新的文件名代碼，

src="{HOME_THEME_PATH}pc/images/video/1.mp4" 刷新頁面調(diào)用新的文件名，如：1.mp4、2.mp4、3.mp4、4.mp4

  <video class="nav-c nav-c01 active" preload="auto" loop="loop" id="my-video" autoplay="autoplay" src="{HOME_THEME_PATH}pc/images/video/1.mp4" webkit-playsinline="true" playsinline="true" x-webkit-airplay="true" x5-video-player-type="h5" ="" x5-video-player-fullscreen="true" x5-video-ignore-metadata="true" width="100%" height="100%">
   
   <p> 不支持video</p>
  </video>