mint-ui pull down不起作用及解决方案

<template>
  <div style="min-height:200px">
    <mt-loadmore :top-method="loadTop" @top-status-change="handleTopChange" @bottom-status-change="handleBottomChange" :bottom-method="loadBottom" :bottom-all-loaded="allLoaded" ref="loadmore">
    
      <ul>
        <li v-<template>
  <div style="min-height:200px">