更新邀请的奖励提示获取

pages/activityPage.vue

@@ -900,7 +900,7 @@
                 vm.eachInviteAward.taskId = item.id;
                 vm.eachInviteAward.activityId = item.activityId;
                 if( item.timeStatus == 1 ){
-                  rewardList = item.rewardJsonInfo || [];
+                  rewardList = JSON.parse(item.rewardJsonInfo) || [];
                   for( let j=0; j<rewardList.length; j++ ){
                     if( rewardList[j].rewardType == 3 ){        // 勤奋分
                       vm.eachInviteAward.mark = rewardList[j].rewardQuantity;