From fe442ab4394dc8334430f4f8126a7e89d294bed0 Mon Sep 17 00:00:00 2001
From: lin-xin <2981207131@qq.com>
Date: Tue, 16 May 2017 14:14:51 +0800
Subject: [PATCH] add key for v-for

---
 src/components/common/Sidebar.vue | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/components/common/Sidebar.vue b/src/components/common/Sidebar.vue
index b1f87ddd..d3b9ff57 100644
--- a/src/components/common/Sidebar.vue
+++ b/src/components/common/Sidebar.vue
@@ -5,7 +5,7 @@
                 <template v-if="item.subs">
                     <el-submenu :index="item.index">
                         <template slot="title"><i class="el-icon-menu"></i>{{ item.title }}</template>
-                        <el-menu-item v-for="subItem in item.subs" :index="subItem.index">{{ subItem.title }}
+                        <el-menu-item v-for="(subItem,i) in item.subs" :key="i" :index="subItem.index">{{ subItem.title }}
                         </el-menu-item>
                     </el-submenu>
                 </template>