<mt-popup v-model="popupVisible" popup-transition="popup-fade" style="max-height: 80%!important;overflow: auto">
<mt-radio v-model="model" :options="options" @change=onChange></mt-radio>
</mt-popup>
style中的内容,可以根据需求调整所需高度
动态添加高度吧算
<div class="bgsyj" :style="{'height':( (comments.length + 1) * 60 +200)+'px'}">