diff --git a/src/layout/navBars/topBar/index.vue b/src/layout/navBars/topBar/index.vue
index 7ae0130..fc9dba7 100644
--- a/src/layout/navBars/topBar/index.vue
+++ b/src/layout/navBars/topBar/index.vue
@@ -7,7 +7,6 @@
 
     <Horizontal :menuList="state.menuList" />
     <div class="right-section">
-      <!-- <module-switch :menuList="state.menuList" /> -->
       <User />
     </div>
   </div>
@@ -20,7 +19,6 @@ import { storeToRefs } from 'pinia'
 import { useRoutesList } from '/@/stores/routesList'
 import { useThemeConfig } from '/@/stores/themeConfig'
 import mittBus from '/@/utils/mitt'
-import ModuleSwitch from './module-switch.vue'
 
 // 引入组件
 const User = defineAsyncComponent(() => import('/@/layout/navBars/topBar/user.vue'))
@@ -62,7 +60,9 @@ const isLayoutTransverse = computed(() => {
 const setFilterRoutes = () => {
   let { layout, isClassicSplitMenu } = themeConfig.value
   if (layout === 'classic' && isClassicSplitMenu) {
-    state.menuList = delClassicChildren(filterRoutesFun(routesList.value))
+    // 为了支持下拉菜单，我们保留完整的菜单结构给 horizontal 组件
+    // 但仍然发送分割后的数据给侧边栏
+    state.menuList = filterRoutesFun(routesList.value) // 保留完整结构用于下拉菜单
     const resData = setSendClassicChildren(route.path)
     mittBus.emit('setSendClassicChildren', resData)
   } else {
diff --git a/src/layout/navBars/topBar/module-switch.vue b/src/layout/navBars/topBar/module-switch.vue
deleted file mode 100644
index 79df44c..0000000
--- a/src/layout/navBars/topBar/module-switch.vue
+++ /dev/null
@@ -1,190 +0,0 @@
-<template>
-  <el-dropdown :show-timeout="70" :hide-timeout="50" trigger="click" @command="onMenuChange">
-    <div class="layout-navbars-breadcrumb-user-icon">
-      <i class="iconfont icon-diqiu" :title="$t('message.user.title1')"></i>
-      <span class="current-lang">{{ state.currentModuleName }}</span>
-    </div>
-    <template #dropdown>
-      <el-dropdown-menu>
-        <el-dropdown-item v-for="item in menuLists as RouteItem[]" :key="item.path || ''" :command="item.path || ''">
-          <SvgIcon :name="item.meta?.icon" />
-          {{ $t(item.meta?.title || '未命名模块') }}
-        </el-dropdown-item>
-      </el-dropdown-menu>
-    </template>
-  </el-dropdown>
-</template>
-
-<script setup lang="ts" name="navMenuHorizontal">
-import { defineAsyncComponent, reactive, computed, onBeforeMount, watch } from 'vue'
-import { useRoute, onBeforeRouteUpdate, RouteRecordRaw, useRouter } from 'vue-router'
-import { storeToRefs } from 'pinia'
-import { useRoutesList } from '/@/stores/routesList'
-import { useThemeConfig } from '/@/stores/themeConfig'
-import other from '/@/utils/other'
-import mittBus from '/@/utils/mitt'
-import { treeToList, listToTree, filterList } from '/@/utils/tree'
-import { cloneDeep } from 'lodash-es'
-import { useI18n } from 'vue-i18n'
-const { t } = useI18n()
-const router = useRouter()
-
-// 引入组件
-const SubItem = defineAsyncComponent(() => import('/@/layout/navMenu/subItem.vue'))
-
-// 定义父组件传过来的值
-const props = defineProps({
-  // 菜单列表
-  menuList: {
-    type: Array<RouteRecordRaw>,
-    default: () => [],
-  },
-})
-
-// 定义变量内容
-const stores = useRoutesList()
-const storesThemeConfig = useThemeConfig()
-const { routesList } = storeToRefs(stores)
-const { themeConfig } = storeToRefs(storesThemeConfig)
-const route = useRoute()
-const state = reactive({
-  defaultActive: '' as string | undefined,
-  currentModuleName: '' as string,
-})
-
-// 获取父级菜单数据
-const menuLists = computed(() => {
-  return <RouteItems>props.menuList
-})
-
-// 路由过滤递归函数
-const filterRoutesFun = <T extends RouteItem>(arr: T[]): T[] => {
-  return arr
-    .filter((item: T) => !item.meta?.isHide)
-    .map((item: T) => {
-      item = Object.assign({}, item)
-      if (item.children) item.children = filterRoutesFun(item.children)
-      return item
-    })
-}
-
-// 获得根菜单路径
-const getRootPath = (path: string) => {
-  let rootPath = ''
-  let routeTree = listToTree(
-    filterList(treeToList(cloneDeep(routesList.value)), path, {
-      filterWhere: (item: any, filterword: string) => {
-        return item.path?.toLocaleLowerCase() === filterword
-      },
-    })
-  )
-  if (routeTree.length > 0 && routeTree[0]?.path) {
-    rootPath = routeTree[0].path
-  }
-  return rootPath
-}
-
-// 传送当前子级数据到菜单中
-const setSendClassicChildren = (path: string) => {
-  let rootPath = getRootPath(path)
-  rootPath = rootPath || path
-  const currentPathSplit = rootPath.split('/')
-  let currentData: MittMenu = { children: [] }
-  filterRoutesFun(routesList.value).map((v, k) => {
-    if (v.path === `/${currentPathSplit[1]}`) {
-      v['k'] = k
-      currentData['item'] = { ...v }
-      currentData['children'] = [{ ...v }]
-      if (v.children) currentData['children'] = v.children
-    }
-  })
-
-  return currentData
-}
-// 设置页面当前路由高亮
-const setCurrentRouterHighlight = (currentRoute: RouteToFrom) => {
-  const { path, meta } = currentRoute
-
-  if (themeConfig.value.layout === 'classic') {
-    let rootPath = getRootPath(path || '')
-    rootPath = rootPath || path || ''
-    state.defaultActive = `/${rootPath?.split('/')[1]}`
-    if (!state.defaultActive || state.defaultActive === '/') router.push(routesList.value[0].path)
-  } else {
-    const pathSplit = meta?.isDynamic ? meta.isDynamicPath!.split('/') : path!.split('/')
-    if (pathSplit.length >= 4 && meta?.isHide) state.defaultActive = pathSplit.splice(0, 3).join('/')
-    else state.defaultActive = path
-  }
-}
-
-const onMenuChange = (path: string) => {
-  console.log('path', path)
-  let to = menuLists.value.find(item => item.path === path)
-  state.currentModuleName = t(to.meta?.title || '未命名模块')
-  setCurrentRouterHighlight(to)
-  let { layout } = themeConfig.value
-  if (layout === 'classic') {
-    mittBus.emit('setSendClassicChildren', setSendClassicChildren(to.path))
-  }
-}
-
-// 页面加载前
-onBeforeMount(() => {
-  setCurrentRouterHighlight(route)
-  state.currentModuleName = t(route.meta?.title || '未命名模块')
-  let { layout } = themeConfig.value
-  if (layout === 'classic') {
-    mittBus.emit('setSendClassicChildren', setSendClassicChildren(route.path))
-  }
-})
-
-// 路由更新时
-onBeforeRouteUpdate((to) => {
-  state.currentModuleName = t(to.meta?.title || '未命名模块')
-  // 修复：https://gitee.com/lyt-top/vue-next-admin/issues/I3YX6G
-  setCurrentRouterHighlight(to)
-  // 修复经典布局开启切割菜单时，点击tagsView后左侧导航菜单数据不变的问题
-  let { layout, isClassicSplitMenu } = themeConfig.value
-  if (layout === 'classic' && isClassicSplitMenu) {
-    mittBus.emit('setSendClassicChildren', setSendClassicChildren(to.path))
-  }
-})
-</script>
-
-<style scoped lang="scss">
-.el-menu-horizontal-warp {
-  flex: 1;
-  overflow: hidden;
-  margin-right: 30px;
-
-  :deep(.el-scrollbar__bar.is-vertical) {
-    display: none;
-  }
-
-  :deep(a) {
-    width: 100%;
-  }
-
-  .el-menu.el-menu--horizontal {
-    display: flex;
-    height: 100%;
-    width: 100%;
-    box-sizing: border-box;
-  }
-}
-
-.layout-navbars-breadcrumb-user-icon {
-  display: flex;
-  align-items: center;
-  gap: 8px;
-
-  .module-name {
-    font-size: 14px;
-    color: var(--el-text-color-primary);
-    max-width: 120px;
-    overflow: hidden;
-    text-overflow: ellipsis;
-    white-space: nowrap;
-  }
-}
-</style>