scroll-view连续的下拉刷新无法被正确触发

接管控制refresher-triggered做自定义下拉刷新，刷新加载成功后将其置为false，第一次下拉刷新可触发refresherrefresh，动画可以正常结束；在不进行页面上拉滑动时，再次下拉刷新有动画，但是无法触发refresherrefresh。

推测是因为结束刷新后滚动列表已经滚动到顶部，再下拉无法触发滚动导致的，于是尝试手动修改scrollTop，仍无效。

HBuilder version: 3.1.22.20210709

<scroll-view style="height: 100%;" scroll-y :scroll-top="scrollTop" :refresher-threshold='100' refresher-enabled :refresher-triggered="triggered"  
                   @refresherrefresh="onRefresh" @refresherrestore="onRestore">  
</scroll-view>

data () {  
  triggered: false,  
  refreshing: false  
},  
methods: {  
  onRefresh () {  
      if (this.refreshing) return;  
      this.refreshing = true;  
      if (!this.triggered) {  
        this.triggered = true;  
      }  
      setTimeout(() => {  
        this.triggered = false;  
        this.refreshing = false;  
        uni.showToast({  
          title: '加载完成'  
        });  
      }, 1000);  
    },  
    onRestore () {  
      this.triggered = false;  
      this.scrollTop = 1;  
      console.log('onRestore');  
    }  
}