From 8f79c9b328847603c3e8b15b3c5d363df6d86ac4 Mon Sep 17 00:00:00 2001
From: Benjy Cui <benjytrys@gmail.com>
Date: Thu, 24 Mar 2016 17:56:19 +0800
Subject: [PATCH] site: fix expand bug

---
 site/component/Demo/index.jsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/site/component/Demo/index.jsx b/site/component/Demo/index.jsx
index fe3d2ff98d..5e55b27518 100644
--- a/site/component/Demo/index.jsx
+++ b/site/component/Demo/index.jsx
@@ -44,9 +44,9 @@ export default class Demo extends React.Component {
               { meta.chinese || meta.english }
             </Link>
           </div>
-          <Collapse activeKey={expand ? 'code' : this.state.activeKey}
+          <Collapse activeKey={expand ? `${id}-code` : this.state.activeKey}
             onChange={this.handleChange.bind(this)}>
-            <Collapse.Panel key="code" header={introChildren}>
+            <Collapse.Panel key={`${id}-code`} header={introChildren}>
               <div className="highlight">
                 <pre>
                   <code className="javascript" dangerouslySetInnerHTML={{