diff --git a/web/src/pinia/modules/router.js b/web/src/pinia/modules/router.js
index db8c5150..4ee54891 100644
--- a/web/src/pinia/modules/router.js
+++ b/web/src/pinia/modules/router.js
@@ -101,6 +101,8 @@ export const useRouterStore = defineStore('router', () => {
   watchEffect(() => {
     let topActive = sessionStorage.getItem('topActive')
     asyncRouters.value[0]?.children.forEach((item) => {
+      // 初始化菜单内容，防止重复添加
+      topMenu.value = [];
       if (item.hidden) return
       menuMap[item.name] = item
       topMenu.value.push({ ...item, children: [] })