小程序video视频播放，开发环境视频链接地址为ip开头，打开页面ios闪退，安卓正常；当视频链接地址为https开头ios，安卓打开页面都正常

playVideo(index){
let currentIndex = 'video' + index;
if(this.oldIndex!=currentIndex){
uni.createVideoContext(this.oldIndex, this).pause();
uni.createVideoContext(currentIndex, this).play();
this.oldIndex = currentIndex
}
},