vue-自适应滑动条overflow: auto

vue
<div  style="height: 100%; overflow: auto;">
    <SearchHeader @search="it => init(it)"/>
    <div style="display: flex">
      <div id="signMarkingsStatistics" style="margin: 0 auto;flex: 1;height: 720px;width: 800px">div>
      <div id="signboardStatistics" style="margin: 0 auto;flex: 1;height: 720px;width: 800px">div>
    div>
  div>