diff --git a/klp-wms/src/main/java/com/klp/service/impl/WmsDeliveryWaybillServiceImpl.java b/klp-wms/src/main/java/com/klp/service/impl/WmsDeliveryWaybillServiceImpl.java
index 5a3e9abb..2d43195e 100644
--- a/klp-wms/src/main/java/com/klp/service/impl/WmsDeliveryWaybillServiceImpl.java
+++ b/klp-wms/src/main/java/com/klp/service/impl/WmsDeliveryWaybillServiceImpl.java
@@ -95,6 +95,12 @@ public class WmsDeliveryWaybillServiceImpl implements IWmsDeliveryWaybillService
      */
     @Override
     public Boolean updateByBo(WmsDeliveryWaybillBo bo) {
+        // 现根据bo.getWaybillId()查询出数据库中的数据
+        // 如果这条数据的status是1 则抛异常为不允许修改
+        WmsDeliveryWaybill db = baseMapper.selectById(bo.getWaybillId());
+        if (db.getStatus() == 1) {
+            throw new RuntimeException("已发货的发货单不能修改");
+        }
         WmsDeliveryWaybill update = BeanUtil.toBean(bo, WmsDeliveryWaybill.class);
         validEntityBeforeSave(update);
         return baseMapper.updateById(update) > 0;