fix:奖品时间

@@ -72,9 +72,9 @@ export default class Prize extends PureComponent {
         let couponLink = 'https://m.yohobuy.com/home/coupons?openby:yohobuy={"action":"go.coupon"}';
         let redEnvelopeLink = 'https://activity.yoho.cn/feature/3221.html?title=我的红包&openby:yohobuy={"action":"go.mineredpackage"}';
 
-        this.state.prizes.map(prize => {
-          prize.createTime = dayjs(new Date(prize.createTime).getTime()).format('YYYY-MM-DD HH:mm');
-        });
+        let fmtTime = time => {
+          return dayjs(new Date(time).getTime()).format('YYYY-MM-DD HH:mm');
+        };
 
         return (
           pending ? '' :
@@ -88,7 +88,7 @@ export default class Prize extends PureComponent {
                                     <img src={prize.img} className="prize-img"/>
                                     <div className="prize-info">
                                         <div className="prize-name">{prize.name}</div>
-                                        <div className="got-time">中奖时间：{prize.createTime}</div>
+                                        <div className="got-time">中奖时间：{fmtTime(prize.createTime)}</div>
                                     </div>
                                 </div>
                                 <div className="item-bottom">