<scroll-view
  class="scroll-wrap"
  scroll-y
  bounces="{{true}}"
  adjustDecelerationVelocity="adjustDecelerationVelocity"
  type="custom"
  scroll-top="{{scrollTop}}"
  show-scrollbar="{{false}}"
  refresher-enabled="{{enablePullRefresh}}"
  refresher-threshold="{{ refresherThreshold }}"
  refresher-default-style="none"
  refresher-triggered="{{ refreshing }}"
  bind:scroll="handleScroll"
  bind:scrolltolower="onScrollToLower"
  bind:refresherpulling="onPulling"
  bind:refresherrefresh="onRefresh"
  bind:refresherrestore="onRestore"
  bind:refresherabort="onAbort"
>
  <view slot="refresher" class="refresher-placeholder">
    <view class="tips">{{ refresherTip }}</view>
    <view class="icon {{ refreshing ? 'refreshing' : '' }}" style="transform: rotate({{ iconRotate }}deg)"></view>
  </view>
  <slot></slot>
</scroll-view>

我在onRefresh里设置了5秒后把refreshing改为false，当我下拉距离刚好或者略微超出refresherThreshold值的时候，无论refreshing是true还是false，永远都是先触发onRefresh，然后立刻触发onRestore。

只有下拉距离超出refresherThreshold值比较多的时候，才会先触发onRefresh，5秒后再触发onRestore。

这是什么毛病？