diff --git a/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java b/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java
index ec8f78f4..69ff4f72 100644
--- a/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java
+++ b/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java
@@ -21,7 +21,7 @@ import com.klp.domain.bo.*;
 import com.klp.domain.vo.*;
 import com.klp.domain.WmsCoilPendingAction;
 import com.klp.domain.bo.WmsCoilPendingActionBo;
-import com.klp.mapper.WmsDeliveryPlanMapper;
+import com.klp.mapper.*;
 import com.klp.system.service.ISysUserService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
@@ -29,11 +29,6 @@ import org.apache.commons.collections4.CollectionUtils;
 import org.springframework.beans.BeanUtils;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
-import com.klp.mapper.WmsMaterialCoilMapper;
-import com.klp.mapper.WmsStockMapper;
-import com.klp.mapper.WmsProductMapper;
-import com.klp.mapper.WmsRawMaterialMapper;
-import com.klp.mapper.WmsGenerateRecordMapper;
 import com.klp.service.IWmsMaterialCoilService;
 import com.klp.service.IWmsStockService;
 import com.klp.service.IWmsGenerateRecordService;
@@ -69,6 +64,7 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
     private final IWmsRawMaterialService rawMaterialService;
     private final IWmsBomItemService bomItemService;
     private final IWmsCoilPendingActionService coilPendingActionService;
+    private final WmsCoilPendingActionMapper coilPendingActionMapper;
     private final IWmsProductService productService;
     private final ISysUserService userService;
     private final WmsDeliveryPlanMapper deliveryPlanMapper;
@@ -1393,7 +1389,7 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
             for (WmsMaterialCoil newChildCoil : newCoils) {
                 if (newChildCoil.getQrcodeRecordId() != null) {
                     // 更新该子钢卷的分卷步骤中的child_coil_ids字段
-                    updateChildCoilIdsQrcodeCoilId(newChildCoil.getQrcodeRecordId(), newChildCoil.getCoilId(), childCoilIdsStr);
+                    updateChildCoilIdsQrcodeCoilId(oldCoil.getCoilId(), newChildCoil.getQrcodeRecordId(), newChildCoil.getCoilId(), childCoilIdsStr);
                 } else {
                     log.warn("子钢卷缺少二维码记录ID，跳过分卷步骤child_coil_ids更新，coilId: {}", newChildCoil.getCoilId());
                 }
@@ -3123,7 +3119,7 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
      * @param currentCoilId 当前子钢卷ID
      * @param childCoilIdsStr 本次分卷产生的所有子钢卷ID的逗号分隔字符串
      */
-    private void updateChildCoilIdsQrcodeCoilId(Long qrcodeRecordId, Long currentCoilId, String childCoilIdsStr) {
+    private void updateChildCoilIdsQrcodeCoilId(Long oldCoilId, Long qrcodeRecordId, Long currentCoilId, String childCoilIdsStr) {
         log.info("开始更新子钢卷二维码的分卷步骤child_coil_ids，qrcodeRecordId: {}, currentCoilId: {}, childCoilIdsStr: {}",
             qrcodeRecordId, currentCoilId, childCoilIdsStr);
 
@@ -3163,7 +3159,12 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
             for (int i = steps.size() - 1; i >= 0; i--) {
                 Map<String, Object> step = steps.get(i);
                 String operation = (String) step.get("operation");
-                if ("分卷".equals(operation)) {
+                Long parentCoilId = null;
+                Object oldCoilIdObj = step.get("old_coil_id");
+                if (oldCoilIdObj != null) {
+                    parentCoilId = Long.valueOf(oldCoilIdObj.toString());
+                }
+                if ("分卷".equals(operation) && oldCoilId.equals(parentCoilId)) {
                     lastSplitStep = step;
                     break; // 找到最新的分卷步骤就停止
                 }
@@ -3362,10 +3363,12 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
             String.valueOf(childCoil.getCoilId()) :
             existingChildCoilIds + "," + childCoil.getCoilId();
 
-        WmsCoilPendingActionBo updatePendingBo = new WmsCoilPendingActionBo();
-        updatePendingBo.setActionId(pendingActionId);
-        updatePendingBo.setRemark(updatedChildCoilIds);
-        coilPendingActionService.updateByBo(updatePendingBo);
+        coilPendingActionMapper.update(
+            null,
+            Wrappers.<WmsCoilPendingAction>lambdaUpdate()
+                .eq(WmsCoilPendingAction::getActionId, pendingActionId)
+                .set(WmsCoilPendingAction::getRemark, updatedChildCoilIds)
+        );
 
         // 10. 返回创建的子钢卷信息
         WmsMaterialCoilVo result = queryById(childCoil.getCoilId());
@@ -3431,7 +3434,7 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
 
             for (WmsMaterialCoil childCoil : childCoils) {
                 if (childCoil.getQrcodeRecordId() != null) {
-                    updateChildCoilIdsQrcodeCoilId(childCoil.getQrcodeRecordId(), childCoil.getCoilId(), allChildCoilIdsStr);
+                    updateChildCoilIdsQrcodeCoilId(parentCoilId,childCoil.getQrcodeRecordId(), childCoil.getCoilId(), allChildCoilIdsStr);
                 }
             }