From d493594ffee869639ec3ee1a6ae3b370db663f94 Mon Sep 17 00:00:00 2001
From: MadCcc <1075746765@qq.com>
Date: Tue, 15 Aug 2023 13:42:28 +0800
Subject: [PATCH] docs: fix menu sider-current demo (#44222)

---
 components/menu/demo/sider-current.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/menu/demo/sider-current.tsx b/components/menu/demo/sider-current.tsx
index 37f497b1af06..5c3a0afa6c68 100644
--- a/components/menu/demo/sider-current.tsx
+++ b/components/menu/demo/sider-current.tsx
@@ -49,7 +49,7 @@ const App: React.FC = () => {
 
   const onOpenChange: MenuProps['onOpenChange'] = (keys) => {
     const latestOpenKey = keys.find((key) => openKeys.indexOf(key) === -1);
-    if (rootSubmenuKeys.indexOf(latestOpenKey!) === -1) {
+    if (latestOpenKey && rootSubmenuKeys.indexOf(latestOpenKey!) === -1) {
       setOpenKeys(keys);
     } else {
       setOpenKeys(latestOpenKey ? [latestOpenKey] : []);