diff --git a/klp-crm/src/main/java/com/klp/crm/service/impl/CrmOrderServiceImpl.java b/klp-crm/src/main/java/com/klp/crm/service/impl/CrmOrderServiceImpl.java
index 58c24136..6c8fe889 100644
--- a/klp-crm/src/main/java/com/klp/crm/service/impl/CrmOrderServiceImpl.java
+++ b/klp-crm/src/main/java/com/klp/crm/service/impl/CrmOrderServiceImpl.java
@@ -285,9 +285,27 @@ public class CrmOrderServiceImpl implements ICrmOrderService {
      */
     @Override
     public Boolean updateByBo(CrmOrderBo bo) {
+        // 查询旧订单获取原销售员，用于判断是否需要同步钢卷
+        CrmOrder oldOrder = null;
+        String oldSalesman = null;
+        if (bo.getOrderId() != null) {
+            oldOrder = baseMapper.selectById(bo.getOrderId());
+            oldSalesman = oldOrder != null ? oldOrder.getSalesman() : null;
+        }
+
         CrmOrder update = BeanUtil.toBean(bo, CrmOrder.class);
         validEntityBeforeSave(update);
-        return baseMapper.updateById(update) > 0;
+        boolean result = baseMapper.updateById(update) > 0;
+
+        // 如果销售员变更，同步更新所有关联钢卷的业务员名称
+        if (result && oldOrder != null) {
+            String newSalesman = update.getSalesman();
+            if (!Objects.equals(oldSalesman, newSalesman) && StringUtils.isNotBlank(newSalesman)) {
+                coilContractRelMapper.updateCoilSaleNameByOrderId(bo.getOrderId(), newSalesman);
+            }
+        }
+
+        return result;
     }
 
     /**
diff --git a/klp-wms/src/main/java/com/klp/mapper/WmsCoilContractRelMapper.java b/klp-wms/src/main/java/com/klp/mapper/WmsCoilContractRelMapper.java
index e45f47a9..197dab01 100644
--- a/klp-wms/src/main/java/com/klp/mapper/WmsCoilContractRelMapper.java
+++ b/klp-wms/src/main/java/com/klp/mapper/WmsCoilContractRelMapper.java
@@ -29,4 +29,9 @@ public interface WmsCoilContractRelMapper extends BaseMapperPlus<WmsCoilContract
      * 根据订单ID查询销售员（业务员）姓名
      */
     String selectSalesmanByOrderId(@Param("orderId") Long orderId);
+
+    /**
+     * 批量更新关联钢卷的业务员名称（当订单销售员变更时同步）
+     */
+    int updateCoilSaleNameByOrderId(@Param("orderId") Long orderId, @Param("saleName") String saleName);
 }
diff --git a/klp-wms/src/main/java/com/klp/service/impl/WmsCoilContractRelServiceImpl.java b/klp-wms/src/main/java/com/klp/service/impl/WmsCoilContractRelServiceImpl.java
index 2bdf8b6a..10f9df74 100644
--- a/klp-wms/src/main/java/com/klp/service/impl/WmsCoilContractRelServiceImpl.java
+++ b/klp-wms/src/main/java/com/klp/service/impl/WmsCoilContractRelServiceImpl.java
@@ -5,13 +5,17 @@ import com.klp.common.core.page.TableDataInfo;
 import com.klp.common.core.domain.PageQuery;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 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.utils.StringUtils;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import com.klp.domain.bo.WmsCoilContractRelBo;
 import com.klp.domain.vo.WmsCoilContractRelVo;
 import com.klp.domain.WmsCoilContractRel;
+import com.klp.domain.WmsMaterialCoil;
 import com.klp.mapper.WmsCoilContractRelMapper;
+import com.klp.mapper.WmsMaterialCoilMapper;
 import com.klp.service.IWmsCoilContractRelService;
 
 import java.util.List;
@@ -30,6 +34,8 @@ public class WmsCoilContractRelServiceImpl implements IWmsCoilContractRelService
 
     private final WmsCoilContractRelMapper baseMapper;
 
+    private final WmsMaterialCoilMapper coilMapper;
+
     /**
      * 查询钢卷与合同关联关系
      */
@@ -75,10 +81,28 @@ public class WmsCoilContractRelServiceImpl implements IWmsCoilContractRelService
         boolean flag = baseMapper.insert(add) > 0;
         if (flag) {
             bo.setRelId(add.getRelId());
+            // 同步钢卷业务员：根据合同ID查询销售员并更新到关联钢卷
+            syncCoilSaleName(bo.getCoilId(), bo.getContractId());
         }
         return flag;
     }
 
+    /**
+     * 同步钢卷的业务员名称：根据合同ID查询销售员并更新到钢卷
+     */
+    private void syncCoilSaleName(Long coilId, Long contractId) {
+        if (coilId == null || contractId == null) {
+            return;
+        }
+        String saleName = baseMapper.selectSalesmanByOrderId(contractId);
+        if (StringUtils.isNotBlank(saleName)) {
+            LambdaUpdateWrapper<WmsMaterialCoil> updateWrapper = Wrappers.lambdaUpdate();
+            updateWrapper.set(WmsMaterialCoil::getSaleName, saleName)
+                .eq(WmsMaterialCoil::getCoilId, coilId);
+            coilMapper.update(null, updateWrapper);
+        }
+    }
+
     /**
      * 修改钢卷与合同关联关系
      */
@@ -86,7 +110,12 @@ public class WmsCoilContractRelServiceImpl implements IWmsCoilContractRelService
     public Boolean updateByBo(WmsCoilContractRelBo bo) {
         WmsCoilContractRel update = BeanUtil.toBean(bo, WmsCoilContractRel.class);
         validEntityBeforeSave(update);
-        return baseMapper.updateById(update) > 0;
+        boolean result = baseMapper.updateById(update) > 0;
+        if (result) {
+            // 合同变更时同步钢卷业务员
+            syncCoilSaleName(bo.getCoilId(), bo.getContractId());
+        }
+        return result;
     }
 
     /**
diff --git a/klp-wms/src/main/resources/mapper/klp/WmsCoilContractRelMapper.xml b/klp-wms/src/main/resources/mapper/klp/WmsCoilContractRelMapper.xml
index 48f8ce32..75c89715 100644
--- a/klp-wms/src/main/resources/mapper/klp/WmsCoilContractRelMapper.xml
+++ b/klp-wms/src/main/resources/mapper/klp/WmsCoilContractRelMapper.xml
@@ -145,4 +145,12 @@
         LIMIT 1
     </select>
 
+    <!-- 批量更新关联钢卷的业务员名称（当订单销售员变更时同步） -->
+    <update id="updateCoilSaleNameByOrderId">
+        UPDATE wms_material_coil mc
+        INNER JOIN wms_coil_contract_rel rel ON mc.coil_id = rel.coil_id AND rel.del_flag = 0
+        SET mc.sale_name = #{saleName}
+        WHERE rel.contract_id = #{orderId} AND mc.del_flag = 0
+    </update>
+
 </mapper>
\ No newline at end of file