From 5b8af2949665349ea41ac7ca8de13e467dda7a2e Mon Sep 17 00:00:00 2001
From: "J.S.Patrick" <980141374@qq.com>
Date: Tue, 26 Sep 2023 13:50:04 +0800
Subject: [PATCH] Update breadcrumb.ts
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防止找不到顶级路由时报错
---
 src/utils/router/breadcrumb.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/utils/router/breadcrumb.ts b/src/utils/router/breadcrumb.ts
index 82572c97..bd41e2c1 100644
--- a/src/utils/router/breadcrumb.ts
+++ b/src/utils/router/breadcrumb.ts
@@ -19,7 +19,7 @@ export function getBreadcrumbByRouteKey(activeKey: string, menus: App.GlobalMenu
 function getBreadcrumbMenu(activeKey: string, menus: App.GlobalMenuOption[]) {
   const breadcrumbMenu: App.GlobalMenuOption[] = [];
   const topLevelMenu = getTopLevelMenu(activeKey, menus);
-  const options = getBreadcrumbMenuItem(activeKey, topLevelMenu as App.GlobalMenuOption);
+  const options = topLevelMenu ? getBreadcrumbMenuItem(activeKey, topLevelMenu as App.GlobalMenuOption) : [];
   breadcrumbMenu.push(...options);
   return breadcrumbMenu;
 }