From 52264b6e2a0e462ee5f7c705c268a7f759a1f4c6 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期一, 21 十二月 2020 10:50:48 +0800
Subject: [PATCH] 优化多级菜单之间切换无法缓存的问题

---
 ruoyi-ui/src/layout/components/Sidebar/SidebarItem.vue |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/ruoyi-ui/src/layout/components/Sidebar/SidebarItem.vue b/ruoyi-ui/src/layout/components/Sidebar/SidebarItem.vue
index 1dfd793..21f8f6a 100644
--- a/ruoyi-ui/src/layout/components/Sidebar/SidebarItem.vue
+++ b/ruoyi-ui/src/layout/components/Sidebar/SidebarItem.vue
@@ -56,6 +56,9 @@
   },
   methods: {
     hasOneShowingChild(children = [], parent) {
+      if (!children) {
+        children = [];
+      }
       const showingChildren = children.filter(item => {
         if (item.hidden) {
           return false

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