From 018480994e5b940d74e3aa21382908cbd6c58104 Mon Sep 17 00:00:00 2001
From: SongZhang <2064194730@qq.com>
Date: Tue, 5 Nov 2024 15:17:14 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E9=9C=B8=E7=8E=8B=E9=A4=90=E5=85=85?=
 =?UTF-8?q?=E5=80=BC=E4=BF=AE=E6=94=B9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../chaozhanggui/system/cashierservice/service/PayService.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java b/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java
index de45ae3..069540e 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/service/PayService.java
@@ -460,6 +460,9 @@ public class PayService {
             }
 
             shouldPayAmount = shouldPayAmount.subtract(userCouponVo.getDiscountAmount());
+            if (shouldPayAmount.compareTo(BigDecimal.ZERO) < 0) {
+                shouldPayAmount = new BigDecimal("0.01");
+            }
 
             TbShopCoupon tbShopCoupons = mpShopCouponMapper.selectById(userCouponVo.getCouponId());
             if (tbShopCoupons == null) {