fix: 储值卡退款明细记录不准确修复

eladmin-system/src/main/java/cn/ysk/cashier/service/impl/order/TbOrderInfoServiceImpl.java

@@ -637,7 +637,7 @@ public class TbOrderInfoServiceImpl implements TbOrderInfoService {
         flow.setBizName("会员储值卡退款");
         flow.setType("+");
         flow.setAmount(returnAmount);
-        flow.setBalance(user.getAmount());
+        flow.setBalance(user.getAmount().add(returnAmount));
         flow.setCreateTime(cn.hutool.core.date.DateUtil.date().toTimestamp());
         flow.setIsReturn("0");
         tbShopUserFlowMapper.insert(flow);