From 078bb50028d81a5d5a0869ea60ffd9147e33197f Mon Sep 17 00:00:00 2001
From: afc163 <afc163@gmail.com>
Date: Mon, 29 Feb 2016 21:02:50 +0800
Subject: [PATCH] fix receiving activeKey

---
 src/MenuMixin.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/MenuMixin.js b/src/MenuMixin.js
index 75f44b00..beb51c2d 100644
--- a/src/MenuMixin.js
+++ b/src/MenuMixin.js
@@ -89,7 +89,7 @@ const MenuMixin = {
 
   componentWillReceiveProps(nextProps) {
     let props;
-    if (nextProps.activeKey) {
+    if ('activeKey' in nextProps) {
       props = {
         activeKey: getActiveKey(nextProps, nextProps.activeKey),
       };