bugfix-186: 后台新增兑换记录收件人姓名，电话，地址必填项改为非必填

yudao-module-reward/yudao-module-reward-impl/src/main/java/cn/iocoder/yudao/module/reward/api/reward/RedeemRewardApiImpl.java

@@ -150,7 +150,7 @@ public class RedeemRewardApiImpl implements RedeemRewardApi {
             if (StringUtils.isBlank(redeemRewardReqVO.getRecipientPhoneNum())) {
                 redeemRewardReqVO.setRecipientPhoneNum(memberUser.getMobile());
             }
-        } else {
+        } else if (redeemRewardReqVO.getEntrance() != PlatformTypeEnum.BACKEND.getValue()){
             if (StringUtils.isAnyBlank(redeemRewardReqVO.getRecipientName(), redeemRewardReqVO.getRecipientPhoneNum(), redeemRewardReqVO.getRecipientAddress())) {
                 throw exception(REWARD_REDEEM_RECIPIENT_ERROR);
             }