diff --git a/src/layouts/components/Menu/BasicMenu.vue b/src/layouts/components/Menu/BasicMenu.vue
index f023b2be..494ee958 100644
--- a/src/layouts/components/Menu/BasicMenu.vue
+++ b/src/layouts/components/Menu/BasicMenu.vue
@@ -2,7 +2,7 @@
 <template>
   <el-menu
     ref="menuRef"
-    :default-active="currentRoute.path"
+    :default-active="activeMenuIndex"
     :collapse="!appStore.sidebar.opened"
     :background-color="
       theme === 'dark' || sidebarColorScheme === SidebarColor.CLASSIC_BLUE
@@ -78,6 +78,83 @@ const theme = computed(() => settingsStore.theme);
 // 获取浅色主题下的侧边栏配色方案
 const sidebarColorScheme = computed(() => settingsStore.sidebarColorScheme);
 
+// 计算当前激活的菜单项
+const activeMenuIndex = computed(() => {
+  const currentPath = currentRoute.path;
+
+  // 如果路由设置了 activeMenu，优先使用
+  if (currentRoute.meta?.activeMenu) {
+    return currentRoute.meta.activeMenu as string;
+  }
+
+  // 在水平模式下（顶部布局），需要找到匹配的顶级菜单
+  if (props.menuMode === "horizontal") {
+    // 首先尝试简单的路径前缀匹配
+    const pathSegments = currentPath.split("/").filter(Boolean);
+    if (pathSegments.length > 0) {
+      const topLevelPath = `/${pathSegments[0]}`;
+
+      // 检查是否有菜单项匹配这个顶级路径
+      const matchingMenu = props.data.find((menu) => {
+        const menuPath = resolveFullPath(menu.path);
+        return menuPath === topLevelPath;
+      });
+
+      if (matchingMenu) {
+        console.log("🎯 Top menu matched:", topLevelPath, "for route:", currentPath);
+        return topLevelPath;
+      }
+    }
+
+    // 如果简单匹配失败，使用详细匹配
+    const findMatchingTopMenu = (menus: RouteRecordRaw[], targetPath: string): string | null => {
+      for (const menu of menus) {
+        const menuPath = resolveFullPath(menu.path);
+
+        // 精确匹配
+        if (targetPath === menuPath) {
+          return menuPath;
+        }
+
+        // 路径前缀匹配（子路径匹配父菜单）
+        if (targetPath.startsWith(menuPath + "/")) {
+          return menuPath;
+        }
+
+        // 如果有子菜单，检查子菜单是否匹配
+        if (menu.children && menu.children.length > 0) {
+          const hasMatchingChild = menu.children.some((child) => {
+            // 对于子菜单，需要正确解析路径
+            let childPath;
+            if (child.path.startsWith("/")) {
+              // 如果子路径是绝对路径，直接使用
+              childPath = child.path;
+            } else {
+              // 如果是相对路径，基于父菜单路径解析
+              childPath = path.resolve(menuPath, child.path);
+            }
+            return targetPath === childPath || targetPath.startsWith(childPath + "/");
+          });
+
+          if (hasMatchingChild) {
+            return menuPath;
+          }
+        }
+      }
+      return null;
+    };
+
+    const matchedMenu = findMatchingTopMenu(props.data, currentPath);
+    if (matchedMenu) {
+      console.log("🎯 Detailed menu matched:", matchedMenu, "for route:", currentPath);
+      return matchedMenu;
+    }
+  }
+
+  // 默认返回当前路径
+  return currentPath;
+});
+
 /**
  * 获取完整路径
  *
@@ -92,6 +169,11 @@ function resolveFullPath(routePath: string) {
     return props.basePath;
   }
 
+  // 如果 basePath 为空（顶部布局），直接返回 routePath
+  if (!props.basePath || props.basePath === "") {
+    return routePath;
+  }
+
   // 解析路径，生成完整的绝对路径
   return path.resolve(props.basePath, routePath);
 }
@@ -126,4 +208,54 @@ watch(
     }
   }
 );
+
+/**
+ * 监听激活菜单变化，为包含激活子菜单的父菜单添加样式类
+ */
+watch(
+  () => activeMenuIndex.value,
+  () => {
+    nextTick(() => {
+      updateParentMenuStyles();
+    });
+  },
+  { immediate: true }
+);
+
+/**
+ * 更新父菜单样式 - 为包含激活子菜单的父菜单添加 has-active-child 类
+ */
+function updateParentMenuStyles() {
+  if (!menuRef.value?.$el) return;
+
+  const menuEl = menuRef.value.$el as HTMLElement;
+
+  // 移除所有现有的 has-active-child 类
+  const allSubMenus = menuEl.querySelectorAll(".el-sub-menu");
+  allSubMenus.forEach((subMenu) => {
+    subMenu.classList.remove("has-active-child");
+  });
+
+  // 查找当前激活的菜单项
+  const activeMenuItem = menuEl.querySelector(".el-menu-item.is-active");
+  if (activeMenuItem) {
+    // 向上查找父级 el-sub-menu 元素
+    let parent = activeMenuItem.parentElement;
+    while (parent && parent !== menuEl) {
+      if (parent.classList.contains("el-sub-menu")) {
+        parent.classList.add("has-active-child");
+      }
+      parent = parent.parentElement;
+    }
+  }
+}
+
+/**
+ * 组件挂载后立即更新父菜单样式
+ */
+onMounted(() => {
+  nextTick(() => {
+    updateParentMenuStyles();
+  });
+});
 </script>
diff --git a/src/layouts/components/Menu/components/MenuItem.vue b/src/layouts/components/Menu/components/MenuItem.vue
index 2f39454e..8734383c 100644
--- a/src/layouts/components/Menu/components/MenuItem.vue
+++ b/src/layouts/components/Menu/components/MenuItem.vue
@@ -190,4 +190,41 @@ html.sidebar-color-blue {
     background-color: $menu-hover;
   }
 }
+
+// 父菜单激活状态样式 - 当子菜单激活时，父菜单显示激活状态
+.el-sub-menu {
+  // 当父菜单包含激活子菜单时的样式
+  &.has-active-child .el-sub-menu__title {
+    color: var(--el-color-primary) !important;
+    background-color: var(--el-color-primary-light-9) !important;
+
+    .menu-icon {
+      color: var(--el-color-primary) !important;
+    }
+  }
+
+  // 深色主题下的父菜单激活状态
+  html.dark & {
+    &.has-active-child .el-sub-menu__title {
+      color: var(--el-color-primary-light-3) !important;
+      background-color: rgba(64, 128, 255, 0.15) !important;
+
+      .menu-icon {
+        color: var(--el-color-primary-light-3) !important;
+      }
+    }
+  }
+
+  // 深蓝色侧边栏配色下的父菜单激活状态
+  html.sidebar-color-blue & {
+    &.has-active-child .el-sub-menu__title {
+      color: var(--el-color-primary-light-3) !important;
+      background-color: rgba(64, 128, 255, 0.2) !important;
+
+      .menu-icon {
+        color: var(--el-color-primary-light-3) !important;
+      }
+    }
+  }
+}
 </style>