dev_manage_frontend/src/App.vue

<template>
  <div id="app">
    <el-container style="height: 100%">
      <side-bar></side-bar>
      <el-container>
        <el-main>
          <router-view/>
        </el-main>
      </el-container>
    </el-container>
  </div>
</template>
<script>
import SideBar from '@/components/SideBar.vue'
export default {
  components: {
    SideBar
  }
}
</script>

<style lang="scss">
*{
  margin: 0;
	padding: 0;
	border: 0;
}
#app {
  height: 100vh;
}
.el-aside {
  background-color: #fff;
}

.el-main {
  background-color: #EBF0FE;
}
</style>