diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/entity/vo/TbUserCouponVo.java b/src/main/java/com/chaozhanggui/system/cashierservice/entity/vo/TbUserCouponVo.java
index 8effc04..da02631 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/entity/vo/TbUserCouponVo.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/entity/vo/TbUserCouponVo.java
@@ -27,7 +27,9 @@ public class TbUserCouponVo {
     private boolean isUse = false;
 
     private Integer currentUseNum = 0;
-    private BigDecimal currentDiscountAmount = new BigDecimal(0);
+
+    private BigDecimal finalDiscountAmount = new BigDecimal(0);
+    private Integer finalUseNum = 0;
 
 
     public void setEndTime(Date endTime) {
diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/service/CartService.java b/src/main/java/com/chaozhanggui/system/cashierservice/service/CartService.java
index ecfdf07..dff21e5 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/service/CartService.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/service/CartService.java
@@ -955,7 +955,7 @@ public class CartService {
             tbActivateOutRecord.setStatus(TableConstant.ActivateOutRecord.Status.CLOSED.getValue());
             tbActivateOutRecord.setCreateTime(DateUtil.date());
             tbActivateOutRecord.setRefNum(0);
-            couponVo.setCurrentDiscountAmount(couponVo.getDiscountAmount());
+            couponVo.setFinalDiscountAmount(couponVo.getDiscountAmount());
 
         }
 
@@ -1134,18 +1134,18 @@ public class CartService {
                                        ArrayList<TbActivateOutRecord> outRecords, Integer memberId) {
         TbUserCouponVo couponVo = getCanUseCoupon(couponMap, cashierCart.getProductId());
         if (couponVo != null && couponVo.getCurrentUseNum() > 0) {
-            BigDecimal currentUseNum;
+            BigDecimal currentUseNum = BigDecimal.ZERO;
+            List<TbUserCouponVo> tbUserCouponVos = usedCouponMap.computeIfAbsent(cashierCart.getProductId(), k -> new ArrayList<>());
+            tbUserCouponVos.add(couponVo);
+            TbCashierCart balanceCart = null;
+
             if (cashierCart.getNumber() < couponVo.getCurrentUseNum()) {
                 cashierCart.setUserCouponId(couponVo.getId());
                 discountAmount = discountAmount.add(cashierCart.getTotalAmountByNum(null));
                 couponVo.setCurrentUseNum(couponVo.getCurrentUseNum() - cashierCart.getNumber());
-            }
-            List<TbUserCouponVo> tbUserCouponVos = usedCouponMap.computeIfAbsent(cashierCart.getProductId(), k -> new ArrayList<>());
-            tbUserCouponVos.add(couponVo);
-
-            TbCashierCart balanceCart = null;
-            // 优惠券数量小于购物车数量，分割购物车数据
-            if (cashierCart.getNumber() > couponVo.getCurrentUseNum()) {
+                currentUseNum = BigDecimal.valueOf(cashierCart.getNumber());
+                // 优惠券数量小于购物车数量，分割购物车数据
+            }else if (cashierCart.getNumber() > couponVo.getCurrentUseNum()) {
                 currentUseNum = BigDecimal.valueOf(couponVo.getCurrentUseNum());
                 BigDecimal cartNum = BigDecimal.valueOf(cashierCart.getNumber());
                 int balanceNum = cashierCart.getTotalNumber() - couponVo.getCurrentUseNum();
@@ -1189,7 +1189,7 @@ public class CartService {
             tbActivateOutRecord.setRefNum(0);
             outRecords.add(tbActivateOutRecord);
 
-            couponVo.setCurrentDiscountAmount(couponVo.getCurrentDiscountAmount().add(discountAmount));
+            couponVo.setFinalDiscountAmount(discountAmount);
             // 优惠券未消耗完毕
             if (balanceCart != null && getCanUseCoupon(couponMap, balanceCart.getProductId()) != null) {
                 discountAmount = reduceProCoupon(couponMap, balanceCart, usedCouponMap, discountAmount, balanceCartList, outRecords, memberId);