prsx-crm/components/shrink/shrink.wxml

<view class="shrink-head" hover-class="navigator-hover" bindtap="changeShow">
    {{language[title]||title}}
    <view class="iconfont icon-dianjizhankai {{show?'close':'open'}}" />
</view>
<van-transition show="{{ show }}" custom-class="block">
    <slot />
</van-transition>