zhywpt-plug/wxminipro/plugin/miniprogram_npm/@vant/weapp/overlay/overlay.wxml

<van-transition
  show="{{ show }}"
  custom-class="van-overlay custom-class"
  custom-style="z-index: {{ zIndex }}; {{ customStyle }}"
  duration="{{ duration }}"
  bind:tap="onClick"
  catch:touchmove="{{ lockScroll ? 'noop' : ''}}"
>
  <slot></slot>
</van-transition>