banner上传突破，需要描述尺寸

children117cl

2021-04-14 89cecff4f95a1f6a4454552b5749aaa02ce93f87

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<template>
  <div id="app">
    <router-view />
  </div>
</template>
 
<script>
export default {
  name: 'App'
}
</script>