diff --git a/src/layouts/components/SideNav.tsx b/src/layouts/components/SideNav.tsx
index 7a6e74e..b4ee42c 100644
--- a/src/layouts/components/SideNav.tsx
+++ b/src/layouts/components/SideNav.tsx
@@ -1,12 +1,13 @@
 import { defineComponent, PropType, computed, onMounted } from 'vue';
 import { useRouter } from 'vue-router';
+import union from 'lodash/union';
 import { prefix } from '@/config/global';
 import pgk from '../../../package.json';
 import MenuContent from './MenuContent';
 import AssetLogo from '@/assets/assets-t-logo.svg?component';
 import AssetLogoFull from '@/assets/assets-logo-full.svg?component';
 import { useSettingStore } from '@/store';
-import { getActive } from '@/router';
+import { getActive, getRoutesExpanded } from '@/router';
 
 const MIN_POINT = 992 - 1;
 
@@ -18,7 +19,8 @@ const useComputed = (props) => {
   const defaultExpanded = computed(() => {
     const path = getActive();
     const parentPath = path.substring(0, path.lastIndexOf('/'));
-    return parentPath === '' ? [] : [parentPath];
+    const expanded = getRoutesExpanded();
+    return union(expanded, parentPath === '' ? [] : [parentPath]);
   });
 
   const sideNavCls = computed(() => {
diff --git a/src/router/index.ts b/src/router/index.ts
index 09ad02b..4f0725d 100644
--- a/src/router/index.ts
+++ b/src/router/index.ts
@@ -1,4 +1,5 @@
 import { useRoute, createRouter, createWebHashHistory, RouteRecordRaw } from 'vue-router';
+import uniq from 'lodash/uniq';
 
 // 自动导入modules文件夹下所有ts文件
 const modules = import.meta.globEager('./modules/**/*.ts');
@@ -38,6 +39,25 @@ const defaultRouterList: Array<RouteRecordRaw> = [
 
 export const allRoutes = [...defaultRouterList, ...asyncRouterList];
 
+export const getRoutesExpanded = () => {
+  const expandedRoutes = [];
+
+  allRoutes.forEach((item) => {
+    if (item.meta && item.meta.expanded) {
+      expandedRoutes.push(item.path);
+    }
+    if (item.children && item.children.length > 0) {
+      item.children
+        .filter((child) => child.meta && child.meta.expanded)
+        .forEach((child: RouteRecordRaw) => {
+          expandedRoutes.push(item.path);
+          expandedRoutes.push(`${item.path}/${child.path}`);
+        });
+    }
+  });
+  return uniq(expandedRoutes);
+};
+
 export const getActive = (maxLevel = 3): string => {
   const route = useRoute();
   if (!route.path) {