uniapp中scroll-view初始化的时候无法横向滚动到某个为止

项目需求实现日历（13天）默认高亮第六天并定位到第六左边右边各六天（可以滑动）
在这里插入图片描述

直接上代码

<template><scroll-view  class="scroll-X":show-scrollbar="true" :scroll-x="scrollable":scroll-left='scrollLeft' scroll-with-animation><view class='item ' :class='{active:isTabActive==index}' v-for="(item,index) in tabRl" :key='index'@click='rlChangeFn(item,index)' ><text class='tit'>{{item.weekdayName}} </text><text class='tx'>{{item.patrolDate}} </text></view></scroll-view>
</template>
<script>
export default {data() {return {scrollable:true,//横向滚动scrollLeft:0,//横向定位的默认位置 直接设置其他值不会定位到那个点isTabActive:6,//默认第几个高亮tabRl:[ //假设这些为后台请求回来的数据{"count": null,"weekdayName": "星期五","patrolDate": "2024-04-12"},{"count": null,"weekdayName": "星期六","patrolDate": "2024-04-13"},{"count": null,"weekdayName": "星期日","patrolDate": "2024-04-14"},{"count": "2","weekdayName": "星期一","patrolDate": "2024-04-15"},{"count": "49","weekdayName": "星期二","patrolDate": "2024-04-16"},{"count": "50","weekdayName": "星期三","patrolDate": "2024-04-17"},{"count": "59","weekdayName": "星期四","patrolDate": "2024-04-18"},{"count": "46","weekdayName": "星期五","patrolDate": "2024-04-19"},{"count": "46","weekdayName": "星期六","patrolDate": "2024-04-20"},{"count": "46","weekdayName": "星期日","patrolDate": "2024-04-21"},{"count": "47","weekdayName": "星期一","patrolDate": "2024-04-22"},{"count": "46","weekdayName": "星期二","patrolDate": "2024-04-23"},{"count": null,"weekdayName": "星期三","patrolDate": "2024-04-24"}]}},onShow() {this.scrollLeft=800//或者onLoad设置滚动的位置 否则无法定位到某个为止 这个值根据实际情况进行填写 我的项目计算出来时800}，methods：{rlChangeFn(item,index){this.isTabActive=index//.....}}}
</script>
<style lang="scss">
.scroll-X {width: 500rpx; //自己根据实际情况设置height: 45rpx;border: 1rpx solid #D0D0D0;border-radius: 45rpx;overflow: hidden;white-space: nowrap; //**** 必须设置为这个 否则肯呢个会出现问题.item {display: inline-block;  //**** 必须设置为这个 否则肯呢个会出现问题padding: 10rpx 0;box-sizing: border-box;height: 100%;background: #FFFFFF;color: #333333;width: 100rpx;border-right: 1px solid #D0D0D0;.tit {display: block;text-align: center;width: 100%;font-size: 11rpx;color: #333333;width: 100%;}.tx {display: block;text-align: center;font-size: 11rpx;color: #333333;}}.active {background: #1765A6;.tit,.tx {color: #fff;}}
}
</style>