diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/service/impl/TbPointsExchangeRecordServiceImpl.java b/src/main/java/com/chaozhanggui/system/cashierservice/service/impl/TbPointsExchangeRecordServiceImpl.java
index 6e1d152..3a59c99 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/service/impl/TbPointsExchangeRecordServiceImpl.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/service/impl/TbPointsExchangeRecordServiceImpl.java
@@ -142,7 +142,7 @@ public class TbPointsExchangeRecordServiceImpl extends ServiceImpl<TbPointsExcha
         if (quantity <= 0) {
             throw new MsgException("兑换的商品库存不足");
         }
-        TbMemberPoints memberPoints = tbMemberPointsMapper.selectOne(Wrappers.<TbMemberPoints>lambdaQuery().eq(TbMemberPoints::getMobile, record.getMobile()));
+        TbMemberPoints memberPoints = tbMemberPointsMapper.selectOne(Wrappers.<TbMemberPoints>lambdaQuery().eq(TbMemberPoints::getMemberId, record.getMemberId()));
         if (memberPoints == null) {
             throw new MsgException("该会员积分不足无法兑换这个商品");
         }