update upload demo

components/upload/demo/picture-style.md

@@ -17,22 +17,31 @@ If uploade file is picture, a thumbnail can be shown. `IE8/9` do not support loc
 ````jsx
 import { Upload, Button, Icon } from 'antd';
 
+const fileList = [{
+  uid: -1,
+  name: 'xxx.png',
+  status: 'done',
+  url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
+  thumbUrl: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
+}, {
+  uid: -2,
+  name: 'yyy.png',
+  status: 'done',
+  url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
+  thumbUrl: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
+}];
+
 const props = {
   action: '//jsonplaceholder.typicode.com/posts/',
   listType: 'picture',
-  defaultFileList: [{
-    uid: -1,
-    name: 'xxx.png',
-    status: 'done',
-    url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
-    thumbUrl: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
-  }, {
-    uid: -2,
-    name: 'yyy.png',
-    status: 'done',
-    url: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
-    thumbUrl: 'https://zos.alipayobjects.com/rmsportal/jkjgkEfvpUPVyRjUImniVslZfWPnJuuZ.png',
-  }],
+  defaultFileList: [...fileList],
+};
+
+const props2 = {
+  action: '//jsonplaceholder.typicode.com/posts/',
+  listType: 'picture',
+  defaultFileList: [...fileList],
+  className: 'upload-list-inline',
 };
 
 ReactDOM.render(
@@ -44,7 +53,7 @@ ReactDOM.render(
     </Upload>
     <br />
     <br />
-    <Upload {...props} className="upload-list-inline">
+    <Upload {...props2}>
       <Button>
         <Icon type="upload" /> upload
       </Button>