diff --git a/eladmin-system/src/main/java/cn/ysk/cashier/mybatis/service/impl/TbCreditBuyerOrderServiceImpl.java b/eladmin-system/src/main/java/cn/ysk/cashier/mybatis/service/impl/TbCreditBuyerOrderServiceImpl.java
index b890dd1c..544b916b 100644
--- a/eladmin-system/src/main/java/cn/ysk/cashier/mybatis/service/impl/TbCreditBuyerOrderServiceImpl.java
+++ b/eladmin-system/src/main/java/cn/ysk/cashier/mybatis/service/impl/TbCreditBuyerOrderServiceImpl.java
@@ -325,22 +325,23 @@ public class TbCreditBuyerOrderServiceImpl extends ServiceImpl<TbCreditBuyerOrde
         record.setCreateTime(new Date());
         tbCreditPaymentRecordMapper.insert(record);
         dto = baseMapper.getOne(params);
-        if (NumberUtil.equals(dto.getPayAmount(), BigDecimal.ZERO) && NumberUtil.isGreater(dto.getPaidAmount(), BigDecimal.ZERO) && NumberUtil.isLess(dto.getUnpaidAmount(), BigDecimal.ZERO)) {
+        BigDecimal sub = NumberUtil.sub(refundAmount, dto.getUnpaidAmount());
+        if (NumberUtil.isGreater(sub, BigDecimal.ZERO)) {
             TbCreditPaymentRecord flow = new TbCreditPaymentRecord();
             flow.setCreditBuyerId(creditBuyerId);
             flow.setOrderId(orderId);
-            flow.setRepaymentAmount(dto.getUnpaidAmount());
+            flow.setRepaymentAmount(NumberUtil.sub(BigDecimal.ZERO, sub));
             flow.setPaymentMethod("挂账退款");
             flow.setPaymentTime(new Date());
-            flow.setRemark(StrUtil.format("挂账订单：{}，申请退款￥{}元，由于此挂账订单已提前还款，溢出部分￥{}元将转储至账户余额。", orderInfo.getOrderNo(), refundAmount, dto.getUnpaidAmount().abs()));
+            flow.setRemark(StrUtil.format("挂账订单：{}，申请退款￥{}元，由于此挂账订单已提前还款，溢出部分￥{}元将转储至账户余额。", orderInfo.getOrderNo(), refundAmount, sub));
             flow.setCreateTime(new Date());
             tbCreditPaymentRecordMapper.insert(flow);
             tbCreditBuyerOrderMapper.update(Wrappers.<TbCreditBuyerOrder>lambdaUpdate()
                     .eq(TbCreditBuyerOrder::getId, dto.getId())
-                    .set(TbCreditBuyerOrder::getPaidAmount, NumberUtil.add(dto.getPaidAmount(), dto.getUnpaidAmount()))
+                    .set(TbCreditBuyerOrder::getPaidAmount, NumberUtil.sub(dto.getPaidAmount(), sub))
             );
             // 退回余额
-            creditBuyer.setAccountBalance(NumberUtil.add(creditBuyer.getAccountBalance(), dto.getUnpaidAmount().abs()));
+            creditBuyer.setAccountBalance(NumberUtil.add(creditBuyer.getAccountBalance(), sub));
             tbCreditBuyerService.updateById(creditBuyer);
         }
         return true;