积分抵扣问题

cash-service/order-service/src/main/java/com/czg/service/order/service/impl/OrderInfoServiceImpl.java

@@ -287,6 +287,8 @@ public class OrderInfoServiceImpl extends ServiceImpl<OrderInfoMapper, OrderInfo
             if (param.getUserId() == null) {
                 throw new ValidateException("生成支付订单失败，请选择用户后再使用积分抵扣");
             }
+        } else if (param.getPointsDiscountAmount().compareTo(BigDecimal.ZERO) > 0) {
+            throw new ValidateException("生成支付订单失败，已使用积分抵扣，积分数量不正确");
         }
         ShopUser shopUser = null;
         if (param.getUserId() != null) {