<el-menu-item:index="sub.name"v-for="(sub, subIndex) in item.pageList">{{sub.name}}</el-menu-item>
<el-menu-item:class="$route.path===sub.path?'orderCtg_list_now':''":index="sub.path"v-for="(sub, subIndex) in item.pageList">{{sub.name}}</el-menu-item>