fix

netflix-service/src/main/java/com/cyksj/service/order/impl/OrderDonServiceImpl.java

@@ -1342,7 +1342,7 @@ public class OrderDonServiceImpl extends ServiceImpl<OrderDonMapper, OrderDon> i
 				throw BusinessRuntimeException.getInstance("该优惠码不存在");
 			}
 			couponUser = new CouponUser();
-			couponUser.setCouponId(couponId);
+			couponUser.setCouponId(exists.getCouponId());
 			if (exists.getPopularizeId() != null) {
 				couponUser.setCouponId(exists.getPopularizeCouponId());
 				couponUser.setPopularizeId(exists.getPopularizeId());