如何在小程序video组件上加一张图片 视频组件层级过高怎么办

 效果图

wxml代码

 <view class='contant'>

 <txv-video  vid="i0531pwauwe" playerid="txv1" autoplay="{{false}}">

 <cover-view  class='{{vimg}}'  bindtap='imghide'>

 <cover-image mode='widthFix' src='http://www-img.1688codes.com/d/file/p/2018-12-09/c4107d8b38fccc995d0d91958a344dcc.png'></cover-image>

</cover-view>

 </txv-video>

</view>

wxss代码

.top{

  margin-top: -5px;

}

.top image{

  width: 100%

}

.contant{

position: relative;

}

.vply{

  position: absolute;

}

.vimg{

  position: absolute;

}

.vimghide{

display: none

}