diff --git a/hw-modules/hw-mes/src/main/java/com/hw/mes/service/impl/MesBaseBarcodeInfoServiceImpl.java b/hw-modules/hw-mes/src/main/java/com/hw/mes/service/impl/MesBaseBarcodeInfoServiceImpl.java
index 5af0f402..3880f300 100644
--- a/hw-modules/hw-mes/src/main/java/com/hw/mes/service/impl/MesBaseBarcodeInfoServiceImpl.java
+++ b/hw-modules/hw-mes/src/main/java/com/hw/mes/service/impl/MesBaseBarcodeInfoServiceImpl.java
@@ -192,6 +192,9 @@ public class MesBaseBarcodeInfoServiceImpl implements IMesBaseBarcodeInfoService
 
         //判断选择的采购订单信息，是否已经合并过
         MesSaleOrderRelate querySaleOrderRelate = new MesSaleOrderRelate();
+        if (purchaseOrderId == null) {
+            throw new ServiceException("采购订单不能为空");
+        }
         querySaleOrderRelate.setPurchaseOrderId(purchaseOrderId);
         List<MesSaleOrderRelate> saleOrderRelates = mesSaleOrderRelateMapper.selectMesSaleOrderRelateList(querySaleOrderRelate);
         if (saleOrderRelates != null && !saleOrderRelates.isEmpty()) {