diff --git a/klp-wms/src/main/java/com/klp/service/impl/WmsDeliveryPlanServiceImpl.java b/klp-wms/src/main/java/com/klp/service/impl/WmsDeliveryPlanServiceImpl.java
index 9846d324..f0df70f6 100644
--- a/klp-wms/src/main/java/com/klp/service/impl/WmsDeliveryPlanServiceImpl.java
+++ b/klp-wms/src/main/java/com/klp/service/impl/WmsDeliveryPlanServiceImpl.java
@@ -7,6 +7,7 @@ import com.klp.common.core.domain.PageQuery;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.klp.common.exception.ServiceException;
 import com.klp.common.utils.StringUtils;
@@ -176,6 +177,17 @@ public class WmsDeliveryPlanServiceImpl implements IWmsDeliveryPlanService {
                 }
             }
         }
+
+        // 对于发货计划（planType = 0），需要先级联删除相关的发货单及明细
+        // 遍历所有要删除的计划，对发货计划进行级联删除
+        for (Long planId : ids) {
+            WmsDeliveryPlan plan = baseMapper.selectById(planId);
+            if (plan != null && plan.getPlanType() != null && plan.getPlanType() == 0) { // 发货计划
+                // 删除关联的发货单及明细
+                cascadeDeleteDeliveryWaybillsByPlanId(planId);
+            }
+        }
+
         return baseMapper.deleteBatchIds(ids) > 0;
     }
 
@@ -281,4 +293,43 @@ public class WmsDeliveryPlanServiceImpl implements IWmsDeliveryPlanService {
         return coilMapper.selectVoListWithDynamicJoin(qw);
     }
 
+    /**
+     * 级联删除发货单及其明细数据
+     *
+     * @param planId 计划ID
+     */
+    private void cascadeDeleteDeliveryWaybillsByPlanId(Long planId) {
+        // 先查询该计划下的所有发货单
+        List<WmsDeliveryWaybill> waybills = waybillMapper.selectList(
+            Wrappers.<WmsDeliveryWaybill>lambdaQuery()
+                .eq(WmsDeliveryWaybill::getPlanId, planId)
+                .eq(WmsDeliveryWaybill::getDelFlag, 0)
+        );
+
+        if (!waybills.isEmpty()) {
+            // 获取所有发货单ID
+            List<Long> waybillIds = waybills.stream()
+                .map(WmsDeliveryWaybill::getWaybillId)
+                .collect(Collectors.toList());
+
+            // 先删除发货单明细
+            if (!waybillIds.isEmpty()) {
+                LambdaQueryWrapper<WmsDeliveryWaybillDetail> detailWrapper =
+                    Wrappers.<WmsDeliveryWaybillDetail>lambdaQuery()
+                        .in(WmsDeliveryWaybillDetail::getWaybillId, waybillIds)
+                        .eq(WmsDeliveryWaybillDetail::getDelFlag, 0);
+
+                // 直接删除
+                waybillDetailMapper.delete(detailWrapper);
+            }
+
+            // 再删除发货单主表
+            LambdaQueryWrapper<WmsDeliveryWaybill> waybillWrapper =
+                Wrappers.<WmsDeliveryWaybill>lambdaQuery()
+                    .in(WmsDeliveryWaybill::getWaybillId, waybillIds)
+                    .eq(WmsDeliveryWaybill::getDelFlag, 0);
+            waybillMapper.delete(waybillWrapper);
+        }
+    }
+
 }
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 a030f16b..23ab68a8 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
@@ -8,13 +8,16 @@ import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.klp.common.utils.StringUtils;
+import com.klp.domain.WmsDeliveryWaybillDetail;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import com.klp.domain.bo.WmsDeliveryWaybillBo;
 import com.klp.domain.vo.WmsDeliveryWaybillVo;
 import com.klp.domain.WmsDeliveryWaybill;
 import com.klp.mapper.WmsDeliveryWaybillMapper;
+import com.klp.mapper.WmsDeliveryWaybillDetailMapper;
 import com.klp.service.IWmsDeliveryWaybillService;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.List;
 import java.util.Map;
@@ -31,6 +34,7 @@ import java.util.Collection;
 public class WmsDeliveryWaybillServiceImpl implements IWmsDeliveryWaybillService {
 
     private final WmsDeliveryWaybillMapper baseMapper;
+    private final WmsDeliveryWaybillDetailMapper waybillDetailMapper;
 
     /**
      * 查询发货单主
@@ -124,10 +128,24 @@ public class WmsDeliveryWaybillServiceImpl implements IWmsDeliveryWaybillService
      * 批量删除发货单主
      */
     @Override
+    @Transactional(rollbackFor = Exception.class)
     public Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid) {
         if(isValid){
             //TODO 做一些业务上的校验,判断是否需要校验
         }
+
+        // 级联删除发货单明细
+        if (ids != null && !ids.isEmpty()) {
+            // 构建查询条件，查找关联的明细记录
+            LambdaQueryWrapper<WmsDeliveryWaybillDetail> detailWrapper =
+                Wrappers.<WmsDeliveryWaybillDetail>lambdaQuery()
+                    .in(WmsDeliveryWaybillDetail::getWaybillId, ids)
+                    .eq(WmsDeliveryWaybillDetail::getDelFlag, 0);
+
+            // 删除相关的发货单明细
+            waybillDetailMapper.delete(detailWrapper);
+        }
+
         return baseMapper.deleteBatchIds(ids) > 0;
     }