<template>
    <div  ref="courseDom" class="main_container">
        <div  class="page_item end_item">
           
        </div>
    </div>
</template>

<script lang="ts" setup>
import {onMounted, ref} from 'vue'



onMounted(async ()=>{
})
</script>

<style lang="scss" scoped>
</style>
