From d1650e31e955a490c5e1866f1d961fb40668b540 Mon Sep 17 00:00:00 2001
From: afc163 <afc163@gmail.com>
Date: Thu, 13 Dec 2018 22:58:14 +0800
Subject: [PATCH] =?UTF-8?q?=E2=9C=85=20fix=20key=20warning=20in=20tabs=20d?=
 =?UTF-8?q?emo?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 components/tabs/demo/nest.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/components/tabs/demo/nest.md b/components/tabs/demo/nest.md
index b5198fd2a7f4..44555843b719 100644
--- a/components/tabs/demo/nest.md
+++ b/components/tabs/demo/nest.md
@@ -41,13 +41,13 @@ class Demo extends React.Component {
       <div>
         <Select style={{ width: 200 }} onChange={(val) => { this.setState({ parentPos: val }); }}>
           {positionList.map(pos => (
-            <Option value={pos}>Parent - {pos}</Option>
+            <Option key={pos} value={pos}>Parent - {pos}</Option>
           ))}
         </Select>
 
         <Select style={{ width: 200 }} onChange={(val) => { this.setState({ childPos: val }); }}>
           {positionList.map(pos => (
-            <Option value={pos}>Child - {pos}</Option>
+            <Option key={pos} value={pos}>Child - {pos}</Option>
           ))}
         </Select>