video组件 play pause 无效？
vide let index = e.target.current;
this.videoCur = index;
let newVideo = uni.createVideoContext(String(index));
if (this.video !== newVideo) {
newVideo.play();
this.video.pause();
}
this.video = newVideo;
o自定义组件之后 视频播放 获取到实例 但是play pause 方法 都无效
