消灭了小图标状态下Maximum的问题

web/src/view/layout/aside/asideComponent/asyncSubmenu.vue

@@ -1,5 +1,5 @@
 <template>
-  <el-submenu ref="subMenu" :index="routerInfo.name">
+  <el-submenu :popper-append-to-body="false" ref="subMenu" :index="routerInfo.name">
     <template slot="title">
       <i :class="'el-icon-'+routerInfo.meta.icon"></i>
       <span slot="title">{{routerInfo.meta.title}}</span>