奖品页加lazyload优化

@@ -6,6 +6,7 @@ import * as config from '../../../../config';
 import wx from 'weixin-js-sdk';
 import TipModal from '../components/tip-modal';
 import dayjs from 'dayjs';
+import LazyLoad from 'react-lazy-load';
 
 export default class Prize extends PureComponent {
     constructor(props) {
@@ -85,7 +86,9 @@ export default class Prize extends PureComponent {
                         return (
                             <div className="prize-item" key={prize.id}>
                                 <div className="item-top">
-                                    <img src={prize.img} className="prize-img"/>
+                                    <LazyLoad offset={1000}>
+                                      <img src={`${prize.img}?imageMogr2/2/w/200/h/140`} className="prize-img"/>
+                                    </LazyLoad>
                                     <div className="prize-info">
                                         <div className="prize-name">{prize.name}</div>
                                         <div className="got-time">中奖时间：{fmtTime(prize.createTime)}</div>