fix

netflix-service/src/main/java/com/cyksj/service/exchange/impl/ExchangeCodeServiceImpl.java

@@ -304,7 +304,7 @@ public class ExchangeCodeServiceImpl extends ServiceImpl<ExchangeCodeMapper, Exc
 			//默认数量为1
 			orderDon.setNum(1);
 			orderDon.setGoodsId(sku.getGoodsId());
-			orderDon.setExCode(exCodeOrderDon.getExCode());
+			orderDon.setExCode(exCode);
 			orderDon.setStatus(goodsDon.getType() == 1 && goodsDon.getSecondType() == 2 ? OrderDon.Status.complete : OrderDon.Status.hasPayment);
 			if (relation.getStartTime() == null || relation.getExpiryTime() == null) {
 				orderDon.setStatus(OrderDon.Status.hasPayment);