视频播放组件ios下seek问题

视频播放组件，在ios下，首次进入seek功能正常，点击切换src后再seek，只能从0开始播放，测试机型：6s；Android和h5下均正常；不知道大家有没有碰到类似问题

<template>  
    <view>  
        <video id="myvideo" ref="myvideo" :src="src" @error="videoErrorCallback" controls v-if="show"></video>  
        <uni-list>  
            <uni-list-item title="video1" note="" link @tap="play(0)"></uni-list-item>  
            <uni-list-item title="video2" note="" link @tap="play(1)"></uni-list-item>  
        </uni-list>  
    </view>  
</template>  

<script>  
    export default {  
        data() {  
            return {  
                show: true,  
                src: '',  
                videoContext: '',  
                videoList: [  
                    'https://outin-ad708207f43f11eaabcd00163e1a65b6.oss-cn-shanghai.aliyuncs.com/sv/5474f3df-1748a91db3d/5474f3df-1748a91db3d.mp4?Expires=1601022477&OSSAccessKeyId=LTAI8bKSZ6dKjf44&Signature=ClhTE93%2F7WSc2HqGOq4%2BbMGWt%2BE%3D',  
                    'https://outin-ad708207f43f11eaabcd00163e1a65b6.oss-cn-shanghai.aliyuncs.com/sv/22c9a7b6-17495ce541d/22c9a7b6-17495ce541d.mp3?Expires=1601022539&OSSAccessKeyId=LTAI8bKSZ6dKjf44&Signature=4IrVpMAFTJdZTYBQnk1PMhIqCR4%3D'  
                ]  
            }  
        },  
        onLoad() {},  
        onReady() {},  
        methods: {  
            play(idx) {  
                this.videoContext = uni.createVideoContext('myvideo')  
                this.src = this.videoList[idx]  
                this.$nextTick(() => {  
                    this.videoContext.play()  
                    this.videoContext.seek(100)  
                })  
            },  
            videoErrorCallback: function(e) {  
                console.log('视频错误信息:')  
                console.log(e.target)  
            },  
        }  
    }  
</script>  

<style>  

</style>