- 当前 Bug 的表现（可附上截图）

微信更新到7.0，video组件上面的 cover-image 组件的图片显示不出来

- 预期表现

- 复现路径

- 提供一个最简复现 Demo

<video

id="myvideo"

class="audio_player"

src="{{courseDetail.playUrl.mp4}}"

autoplay="true"

bindplay="didPlay"

bindpause="didPause"

bindtimeupdate="updatedTime"

binderror="playError"

bindended="playEnded"

bindfullscreenchange="fullScreenDidChange"

>

<cover-view class="audio_player_container">

<cover-image

class="audio_player_poster"

src="{{poster}}"      

/>

<!-- 控制条 -->

<cover-view wx:if="{{isFullScreen}}" class="control_bar">    

<!-- 开始时间 -->

<cover-view class="control_bar_time">{{playTime.currentTime}}/{{playTime.duration}}</cover-view>    

<!-- 全屏按钮 -->

<cover-view class="control_bar_button" bindtap="didTapFullScreen">

<cover-image

src="../image/audio_player_fullscreen.png"

class="control_bar_full_size"          

/>

</cover-view>

</cover-view>

</cover-view>

</video>