trafficBroadcast/miniprogram/pages/mediaController/index.wxml

<!--pages/imgController/index.wxml-->
<import src="../../components/none/index"></import>
<template is="none" wx:if="{{!mediaList || !mediaList.length}}" ></template>
<day-list mediaList="{{mediaList}}" wx:if="{{mediaList && mediaList.length}}"></day-list>