From 54678ba63ee1ce1540448414f342badfecec9b2d Mon Sep 17 00:00:00 2001
From: doudou <809539794@qq.com>
Date: Fri, 1 Feb 2019 10:53:07 +0800
Subject: [PATCH] fixed submenu collapsed when refresh page (#3494)

---
 src/components/SiderMenu/SiderMenu.js | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/components/SiderMenu/SiderMenu.js b/src/components/SiderMenu/SiderMenu.js
index 2522b4f0..b7782f7c 100644
--- a/src/components/SiderMenu/SiderMenu.js
+++ b/src/components/SiderMenu/SiderMenu.js
@@ -18,10 +18,14 @@ export default class SiderMenu extends PureComponent {
   }
 
   static getDerivedStateFromProps(props, state) {
-    const { pathname } = state;
-    if (props.location.pathname !== pathname) {
+    const { pathname, flatMenuKeysLen } = state;
+    if (
+      props.location.pathname !== pathname ||
+      props.flatMenuKeys.length !== flatMenuKeysLen
+    ) {
       return {
         pathname: props.location.pathname,
+        flatMenuKeysLen: props.flatMenuKeys.length,
         openKeys: getDefaultCollapsedSubMenus(props),
       };
     }
-- 
GitLab