diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/cal/plan/MesCalPlanMapper.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/cal/plan/MesCalPlanMapper.java
index d2cd4b7..9478a13 100644
--- a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/cal/plan/MesCalPlanMapper.java
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/dal/mysql/cal/plan/MesCalPlanMapper.java
@@ -5,6 +5,7 @@ import cn.iocoder.yudao.framework.mybatis.core.mapper.BaseMapperX;
 import cn.iocoder.yudao.framework.mybatis.core.query.LambdaQueryWrapperX;
 import cn.iocoder.yudao.module.mes.controller.admin.cal.plan.vo.MesCalPlanPageReqVO;
 import cn.iocoder.yudao.module.mes.dal.dataobject.cal.plan.MesCalPlanDO;
+import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import org.apache.ibatis.annotations.Mapper;
 
 /**
@@ -31,4 +32,11 @@ public interface MesCalPlanMapper extends BaseMapperX<MesCalPlanDO> {
         return selectOne(MesCalPlanDO::getCode, code);
     }
 
+    default void updateWithShiftFieldCleanup(MesCalPlanDO plan, boolean clearShiftMethod, boolean clearShiftCount) {
+        update(plan, Wrappers.<MesCalPlanDO>lambdaUpdate()
+                .eq(MesCalPlanDO::getId, plan.getId())
+                .set(clearShiftMethod, MesCalPlanDO::getShiftMethod, null)
+                .set(clearShiftCount, MesCalPlanDO::getShiftCount, null));
+    }
+
 }
diff --git a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/cal/plan/MesCalPlanServiceImpl.java b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/cal/plan/MesCalPlanServiceImpl.java
index c751329..68631dd 100644
--- a/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/cal/plan/MesCalPlanServiceImpl.java
+++ b/yudao-module-mes/src/main/java/cn/iocoder/yudao/module/mes/service/cal/plan/MesCalPlanServiceImpl.java
@@ -12,7 +12,6 @@ import cn.iocoder.yudao.module.mes.enums.cal.MesCalShiftMethodEnum;
 import cn.iocoder.yudao.module.mes.enums.cal.MesCalShiftTypeEnum;
 import cn.iocoder.yudao.module.mes.service.cal.team.MesCalTeamShiftService;
 import cn.hutool.core.util.ObjUtil;
-import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import jakarta.annotation.Resource;
 import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Service;
@@ -78,9 +77,8 @@ public class MesCalPlanServiceImpl implements MesCalPlanService {
         // 1.3 校验编码唯一
         validatePlanCodeUnique(updateReqVO.getId(), updateReqVO.getCode());
 
-        // 2. 更新
-        updateReqVO.setStatus(null); // 不允许通过 update 修改状态，状态变更走专用接口
         // 2.1 倒班字段联动清理：单白班不倒班，倒班方式非按天时不需要倒班天数
+        updateReqVO.setStatus(null); // 不允许通过 update 修改状态，状态变更走专用接口
         boolean clearShiftMethod = MesCalShiftTypeEnum.SINGLE.getType().equals(updateReqVO.getShiftType());
         boolean clearShiftCount = clearShiftMethod || updateReqVO.getShiftMethod() == null
                 || !MesCalShiftMethodEnum.DAY.getMethod().equals(updateReqVO.getShiftMethod());
@@ -90,12 +88,9 @@ public class MesCalPlanServiceImpl implements MesCalPlanService {
         if (clearShiftCount) {
             updateReqVO.setShiftCount(null);
         }
+        // 2.2 更新
         MesCalPlanDO updateObj = BeanUtils.toBean(updateReqVO, MesCalPlanDO.class);
-        // 2.2 entity 提供非 null 字段的 SET（NOT_NULL 策略），wrapper 负责显式 SET NULL 清掉旧值
-        planMapper.update(updateObj, Wrappers.<MesCalPlanDO>lambdaUpdate()
-                .eq(MesCalPlanDO::getId, updateObj.getId())
-                .set(clearShiftMethod, MesCalPlanDO::getShiftMethod, null)
-                .set(clearShiftCount, MesCalPlanDO::getShiftCount, null));
+        planMapper.updateWithShiftFieldCleanup(updateObj, clearShiftMethod, clearShiftCount);
     }
 
     @Override