MD_YOSwechat/components/My_card/index.wxml

<view class="my-card custom-class" hover-class="{{hover?'hover':'none'}}" hover-start-time='50' hover-stay-time='100'>
    <view class="mtitle" wx:if="{{title}}">
        <view class="title-l">{{title}}</view>
        <slot name='title-r'></slot>
    </view>
    <slot />
</view>