From 8bae5a79f9942965f2fcec7243e090669afab23f Mon Sep 17 00:00:00 2001
From: Hoyt <hoythan@gmail.com>
Date: Wed, 24 Apr 2019 13:40:14 +0800
Subject: [PATCH] Menu: if defaultIndex value does not exist, the activeIndex
 value shall be null

---
 packages/menu/src/menu.vue | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/packages/menu/src/menu.vue b/packages/menu/src/menu.vue
index 3054e1d25..fb4ca24a6 100644
--- a/packages/menu/src/menu.vue
+++ b/packages/menu/src/menu.vue
@@ -139,7 +139,12 @@
       }
     },
     watch: {
-      defaultActive: 'updateActiveIndex',
+      defaultActive(value){
+        if(!this.items[value]){
+          this.activeIndex = null
+        }
+        this.updateActiveIndex(value)
+      },
 
       defaultOpeneds(value) {
         if (!this.collapse) {