diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/OaProjectScheduleStepController.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/OaProjectScheduleStepController.java
index 9b49bc3..9f4f9a0 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/OaProjectScheduleStepController.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/controller/OaProjectScheduleStepController.java
@@ -7,6 +7,7 @@ import java.util.concurrent.TimeUnit;
 
 import com.ruoyi.common.core.AjaxResult;
 import com.ruoyi.oa.domain.bo.BatchBo;
+import com.ruoyi.oa.domain.bo.BatchDelayBo;
 import com.ruoyi.oa.domain.dto.PersonalReportDTO;
 import lombok.RequiredArgsConstructor;
 
@@ -117,6 +118,15 @@ public class OaProjectScheduleStepController extends BaseController {
         return toAjax(iOaProjectScheduleStepService.changeBatch(batchBo));
     }
 
+    /**
+     * 批量延期步骤结束时间
+     */
+    @RepeatSubmit()
+    @PutMapping("/batch-delay")
+    public R<Void> batchDelay(@Validated(EditGroup.class) @RequestBody BatchDelayBo batchDelayBo) {
+        return toAjax(iOaProjectScheduleStepService.batchDelay(batchDelayBo));
+    }
+
     /**
      * 删除项目进度步骤跟踪
      *
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/bo/BatchDelayBo.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/bo/BatchDelayBo.java
new file mode 100644
index 0000000..c8bfaa2
--- /dev/null
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/domain/bo/BatchDelayBo.java
@@ -0,0 +1,15 @@
+package com.ruoyi.oa.domain.bo;
+
+import lombok.Data;
+
+import java.util.List;
+
+@Data
+public class BatchDelayBo {
+
+    private List<Long> trackIds;
+
+    private Integer delayValue;
+
+    private String delayUnit;
+}
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/OaProjectScheduleStepMapper.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/OaProjectScheduleStepMapper.java
index 753d3c8..ef0403e 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/OaProjectScheduleStepMapper.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/mapper/OaProjectScheduleStepMapper.java
@@ -55,4 +55,12 @@ public interface OaProjectScheduleStepMapper extends BaseMapperPlus<OaProjectSch
      * 根据 schedule_id 批量更新节点负责人（仅更新 node_header 不为空的记录）
      */
     int updateNodeHeaderByScheduleId(@Param("scheduleId") Long scheduleId, @Param("nodeHeader") String nodeHeader);
+
+    /**
+     * 批量延期：根据 trackId 列表更新 plan_end 时间
+     * @param trackIds trackId 列表
+     * @param delayMinutes 延期分钟数
+     * @return 更新记录数
+     */
+    int batchDelayPlanEnd(@Param("trackIds") List<Long> trackIds, @Param("delayMinutes") Long delayMinutes);
 }
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/IOaProjectScheduleStepService.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/IOaProjectScheduleStepService.java
index 2744e12..40a14f0 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/IOaProjectScheduleStepService.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/IOaProjectScheduleStepService.java
@@ -82,4 +82,11 @@ public interface IOaProjectScheduleStepService{
     PersonalReportDTO personalReport(Long poolId, String nickName);
 
     TableDataInfo<OaProjectScheduleStepVo> queryPageListMyPage(OaProjectScheduleStepBo bo, PageQuery pageQuery);
+
+    /**
+     * 批量延期步骤结束时间
+     * @param bo 批量延期参数
+     * @return 是否成功
+     */
+    Boolean batchDelay(com.ruoyi.oa.domain.bo.BatchDelayBo bo);
 }
diff --git a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaProjectScheduleStepServiceImpl.java b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaProjectScheduleStepServiceImpl.java
index a95a215..5100633 100644
--- a/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaProjectScheduleStepServiceImpl.java
+++ b/ruoyi-oa/src/main/java/com/ruoyi/oa/service/impl/OaProjectScheduleStepServiceImpl.java
@@ -13,6 +13,7 @@ import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.ruoyi.oa.domain.*;
 import com.ruoyi.oa.domain.bo.BatchBo;
+import com.ruoyi.oa.domain.bo.BatchDelayBo;
 import com.ruoyi.oa.domain.dto.NodeDTO;
 import com.ruoyi.oa.domain.dto.PersonalReportDTO;
 import com.ruoyi.oa.domain.vo.OaExpressVo;
@@ -71,15 +72,15 @@ public class OaProjectScheduleStepServiceImpl implements IOaProjectScheduleStepS
     private final OaProjectScheduleStepMapper projectScheduleStepMapper;
 
     private final ISysOaTaskService sysOaTaskService;
-    
+
     private final OaProjectReportMapper projectReportMapper;
-    
+
     private final SysOaTaskMapper taskMapper;
-    
+
     private final OaUserActiveMapper userActiveMapper;
-    
+
     private final OaExpressQuestionMapper expressQuestionMapper;
-    
+
     private final OaRequirementsMapper requirementsMapper;
 
     private final IOaExpressService oaExpressService;
@@ -606,49 +607,49 @@ public class OaProjectScheduleStepServiceImpl implements IOaProjectScheduleStepS
 
         return count != null ? count.intValue() : 0;
     }
-    
+
     /**
      * 统计报工信息
      */
     private PersonalReportDTO.WorkReportStats getWorkReportStats(Long userId, Date startDate, Date endDate) {
         PersonalReportDTO.WorkReportStats stats = new PersonalReportDTO.WorkReportStats();
-        
+
         LambdaQueryWrapper<OaProjectReport> wrapper = Wrappers.<OaProjectReport>lambdaQuery()
             .eq(OaProjectReport::getDelFlag, 0)
             .eq(OaProjectReport::getUserId, userId);
-        
+
         // 添加时间范围条件
         if (startDate != null && endDate != null) {
             wrapper.between(OaProjectReport::getCreateTime, startDate, endDate);
         }
-        
+
         List<OaProjectReport> reports = projectReportMapper.selectList(wrapper);
-        
+
         // 计算报工天数（这里简化处理，实际可能需要按日期去重）
         stats.setTotalWorkDays(BigDecimal.valueOf(reports.size()));
         stats.setValidWorkDays(BigDecimal.valueOf(reports.size()));
-        
+
         // 统计涉及的项目数量
         Set<Long> projectIds = reports.stream()
             .map(OaProjectReport::getProjectId)
             .filter(Objects::nonNull)
             .collect(Collectors.toSet());
         stats.setReportProjectCount(projectIds.size());
-        
+
         return stats;
     }
-    
+
     /**
      * 统计出差信息
      */
     private PersonalReportDTO.BusinessTripStats getBusinessTripStats(Long userId, Date startDate, Date endDate) {
         PersonalReportDTO.BusinessTripStats stats = new PersonalReportDTO.BusinessTripStats();
-        
+
         LambdaQueryWrapper<OaProjectReport> wrapper = Wrappers.<OaProjectReport>lambdaQuery()
             .eq(OaProjectReport::getDelFlag, 0)
             .eq(OaProjectReport::getIsTrip, 1) // 出差标记
             .eq(OaProjectReport::getUserId, userId);
-        
+
         // 添加时间范围条件
         if (startDate != null && endDate != null) {
             wrapper.between(OaProjectReport::getCreateTime, startDate, endDate);
@@ -673,7 +674,7 @@ public class OaProjectScheduleStepServiceImpl implements IOaProjectScheduleStepS
 
         // 3. 国内出差天数 = 总出差天数 - 国外出差天数
         stats.setDomesticTripDays(BigDecimal.valueOf(totalTripCount - foreignTripCount));
-        
+
         // 统计出差项目数量
         Set<Long> tripProjectIds = projectReportMapper.selectObjs(wrapper
                 .select(OaProjectReport::getProjectId)) // 只查询project_id字段
@@ -682,10 +683,10 @@ public class OaProjectScheduleStepServiceImpl implements IOaProjectScheduleStepS
                 .map(obj -> (Long) obj)
                 .collect(Collectors.toSet());
         stats.setTripProjectCount(tripProjectIds.size());
-        
+
         return stats;
     }
-    
+
     /**
      * 统计项目信息
      */
@@ -765,45 +766,45 @@ public class OaProjectScheduleStepServiceImpl implements IOaProjectScheduleStepS
         stats.setProjectList(projectList);
         return stats;
     }
-    
 
-    
+
+
     /**
      * 统计任务信息
      */
     private PersonalReportDTO.TaskStats getTaskStats(Long userId, Date startDate, Date endDate, List<Long> projectIds) {
         PersonalReportDTO.TaskStats stats = new PersonalReportDTO.TaskStats();
-        
+
         // 查询发放的任务（创建的任务）
         LambdaQueryWrapper<SysOaTask> assignedWrapper = Wrappers.<SysOaTask>lambdaQuery()
             .eq(SysOaTask::getCreateUserId, userId);
-            
+
         if (startDate != null && endDate != null) {
             assignedWrapper.between(SysOaTask::getBeginTime, startDate, endDate);
         }
         if (projectIds != null && !projectIds.isEmpty()) {
             assignedWrapper.in(SysOaTask::getProjectId, projectIds);
         }
-        
+
         List<SysOaTask> assignedTasks = taskMapper.selectList(assignedWrapper);
-        
+
         // 查询承担的任务（被分配的任务）
         LambdaQueryWrapper<SysOaTask> undertakenWrapper = Wrappers.<SysOaTask>lambdaQuery()
             .eq(SysOaTask::getWorkerId, userId);
-            
+
         if (startDate != null && endDate != null) {
             undertakenWrapper.between(SysOaTask::getBeginTime, startDate, endDate);
         }
         if (projectIds != null && !projectIds.isEmpty()) {
             undertakenWrapper.in(SysOaTask::getProjectId, projectIds);
         }
-        
+
         List<SysOaTask> undertakenTasks = taskMapper.selectList(undertakenWrapper);
-        
+
         // 统计数量
         stats.setAssignedTasks(assignedTasks.size());
         stats.setUndertakenTasks(undertakenTasks.size());
-        
+
         // 统计已完成任务数量（状态为完成）
         long completedAssigned = assignedTasks.stream().filter(task -> Long.valueOf(2).equals(task.getState())).count();
         long completedUndertaken = undertakenTasks.stream().filter(task -> Long.valueOf(2).equals(task.getState())).count();
@@ -817,27 +818,27 @@ public class OaProjectScheduleStepServiceImpl implements IOaProjectScheduleStepS
         long unfinishedAssigned = assignedTasks.stream().filter(task -> Long.valueOf(0).equals(task.getState())).count();
         long unfinishedUndertaken = undertakenTasks.stream().filter(task -> Long.valueOf(0).equals(task.getState())).count();
         stats.setUnfinishedTasks((int) (unfinishedAssigned + unfinishedUndertaken));
-        
+
         // 统计延期任务数量
         long delayedAssigned = assignedTasks.stream().filter(task -> Long.valueOf(15).equals(task.getState())).count();
         long delayedUndertaken = undertakenTasks.stream().filter(task -> Long.valueOf(15).equals(task.getState())).count();
         stats.setDelayedTasks((int) (delayedAssigned + delayedUndertaken));
-        
+
         // 构建任务清单
         List<PersonalReportDTO.TaskSummary> assignedTaskList = assignedTasks.stream()
             .map(this::buildTaskSummary)
             .collect(Collectors.toList());
-        
+
         List<PersonalReportDTO.TaskSummary> undertakenTaskList = undertakenTasks.stream()
             .map(this::buildTaskSummary)
             .collect(Collectors.toList());
-        
+
         stats.setAssignedTaskList(assignedTaskList);
         stats.setUndertakenTaskList(undertakenTaskList);
-        
+
         return stats;
     }
-    
+
     /**
      * 构建任务摘要
      */
@@ -848,7 +849,7 @@ public class OaProjectScheduleStepServiceImpl implements IOaProjectScheduleStepS
         summary.setState(task.getState());
         summary.setIsDelayed(task.getPostponements() != null && task.getPostponements() > 0);
         summary.setPostponements(task.getPostponements());
-        
+
         // 获取项目名称
         if (task.getProjectId() != null) {
             SysOaProject project = projectMapper.selectById(task.getProjectId());
@@ -856,17 +857,17 @@ public class OaProjectScheduleStepServiceImpl implements IOaProjectScheduleStepS
                 summary.setProjectName(project.getProjectName());
             }
         }
-        
+
         return summary;
     }
-    
+
     /**
      * 统计工程异常信息（基于oa_express_question表）
      */
     private PersonalReportDTO.EngineeringExceptionStats getExceptionStats(String nickName, Date startDate, Date endDate) {
         PersonalReportDTO.EngineeringExceptionStats stats = new PersonalReportDTO.EngineeringExceptionStats();
 
-        
+
         // 查询快递问题表，通过汇报人匹配
         LambdaQueryWrapper<OaExpressQuestion> wrapper = Wrappers.<OaExpressQuestion>lambdaQuery()
             .eq(OaExpressQuestion::getReportBy, nickName)
@@ -876,18 +877,18 @@ public class OaProjectScheduleStepServiceImpl implements IOaProjectScheduleStepS
         if (startDate != null && endDate != null) {
             wrapper.between(OaExpressQuestion::getReportTime, startDate, endDate);
         }
-        
+
         List<OaExpressQuestion> questions = expressQuestionMapper.selectList(wrapper);
-        
+
         stats.setTotalExceptions(questions.size());
-        
+
         // 统计已解决和未解决的异常
         long resolvedCount = questions.stream().filter(q -> Long.valueOf(1).equals(q.getStatus())).count();
         long unresolvedCount = questions.stream().filter(q -> Long.valueOf(0).equals(q.getStatus())).count();
-        
+
         stats.setResolvedExceptions((int) resolvedCount);
         stats.setDelayedExceptions((int) unresolvedCount); // 未解决的视为延期异常
-        
+
         // 构建异常清单
         List<PersonalReportDTO.ExceptionSummary> exceptionList = questions.stream()
             .map(question -> {
@@ -896,49 +897,49 @@ public class OaProjectScheduleStepServiceImpl implements IOaProjectScheduleStepS
                 summary.setDescription(question.getDescription());
                 summary.setStatus(Long.valueOf(1).equals(question.getStatus()) ? "已解决" : "未解决");
                 summary.setIsDelayed(Long.valueOf(0).equals(question.getStatus())); // 未解决的视为延期
-                
+
                 // 这里可以根据expressId关联获取项目信息
                 summary.setProjectName(oaExpressService.queryById(question.getExpressId()).getProjectName());
-                
+
                 return summary;
             })
             .collect(Collectors.toList());
-        
+
         stats.setExceptionList(exceptionList);
         return stats;
     }
-    
+
     /**
      * 统计关键采购任务信息（基于oa_requirements表）
      */
     private PersonalReportDTO.ProcurementTaskStats getProcurementStats(Long userId, Date startDate, Date endDate) {
         PersonalReportDTO.ProcurementTaskStats stats = new PersonalReportDTO.ProcurementTaskStats();
-        
+
         // 查询需求表，通过负责人ID匹配
         LambdaQueryWrapper<OaRequirements> wrapper = Wrappers.<OaRequirements>lambdaQuery()
             .eq(OaRequirements::getOwnerId, userId)
             .eq(OaRequirements::getDelFlag, 0);
-                
+
         // 添加时间范围条件
         if (startDate != null && endDate != null) {
             wrapper.between(OaRequirements::getCreateTime, startDate, endDate);
         }
-        
+
         List<OaRequirements> requirements = requirementsMapper.selectList(wrapper);
-        
+
         stats.setTotalProcurementTasks(requirements.size());
-        
+
         // 统计已完成和延期的需求
         long completedCount = requirements.stream().filter(req -> Integer.valueOf(1).equals(req.getStatus())).count();
         stats.setCompletedProcurementTasks((int) completedCount);
-        
+
         // 计算延期需求（截止日期已过但未完成的）
         long delayedCount = requirements.stream()
             .filter(req -> Integer.valueOf(0).equals(req.getStatus())) // 未完成
             .filter(req -> req.getDeadline() != null && req.getDeadline().before(new Date())) // 已过期
             .count();
         stats.setDelayedProcurementTasks((int) delayedCount);
-        
+
         // 构建采购任务清单
         List<PersonalReportDTO.ProcurementTaskSummary> procurementList = requirements.stream()
             .map(req -> {
@@ -946,12 +947,12 @@ public class OaProjectScheduleStepServiceImpl implements IOaProjectScheduleStepS
                 summary.setProcurementId(req.getRequirementId());
                 summary.setProcurementContent(req.getTitle());
                 summary.setStatus(Integer.valueOf(1).equals(req.getStatus()) ? "已完成" : "进行中");
-                
+
                 // 判断是否延期
-                boolean isDelayed = Integer.valueOf(0).equals(req.getStatus()) && 
+                boolean isDelayed = Integer.valueOf(0).equals(req.getStatus()) &&
                     req.getDeadline() != null && req.getDeadline().before(new Date());
                 summary.setIsDelayed(isDelayed);
-                
+
                 // 获取项目名称
                 if (req.getProjectId() != null) {
                     SysOaProject project = projectMapper.selectById(req.getProjectId());
@@ -961,11 +962,11 @@ public class OaProjectScheduleStepServiceImpl implements IOaProjectScheduleStepS
                 } else {
                     summary.setProjectName("无关联项目");
                 }
-                
+
                 return summary;
             })
             .collect(Collectors.toList());
-        
+
         stats.setProcurementTaskList(procurementList);
         return stats;
     }
@@ -1035,5 +1036,40 @@ public class OaProjectScheduleStepServiceImpl implements IOaProjectScheduleStepS
 //        return stats;
 //    }
 
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public Boolean batchDelay(BatchDelayBo bo) {
+        if (bo.getTrackIds() == null || bo.getTrackIds().isEmpty()) {
+            return false;
+        }
+
+        // 延期前检查：查询所有待延期的步骤，判断是否已完成
+        List<OaProjectScheduleStep> steps = baseMapper.selectList(
+            new LambdaQueryWrapper<OaProjectScheduleStep>()
+                .in(OaProjectScheduleStep::getTrackId, bo.getTrackIds())
+        );
+
+        // 检查是否有已完成的步骤（status=2）
+        String completedTrack = steps.stream()
+            .filter(step -> step.getStatus() != null && step.getStatus() == 2)
+            .map(OaProjectScheduleStep::getSecondLevelNode)
+            .collect(Collectors.joining(","));
+
+        if (!completedTrack.isEmpty()) {
+            throw new RuntimeException("以下步骤已完成，不允许延期：" + completedTrack);
+        }
+
+        Long delayMinutes;
+        if ("day".equals(bo.getDelayUnit())) {
+            delayMinutes = bo.getDelayValue() * 24L * 60L;
+        } else if ("hour".equals(bo.getDelayUnit())) {
+            delayMinutes = bo.getDelayValue() * 60L;
+        } else {
+            return false;
+        }
+        int updated = baseMapper.batchDelayPlanEnd(bo.getTrackIds(), delayMinutes);
+        return updated > 0;
+    }
+
 
 }
diff --git a/ruoyi-oa/src/main/resources/mapper/oa/OaProjectScheduleStepMapper.xml b/ruoyi-oa/src/main/resources/mapper/oa/OaProjectScheduleStepMapper.xml
index 8d48c40..5c34a75 100644
--- a/ruoyi-oa/src/main/resources/mapper/oa/OaProjectScheduleStepMapper.xml
+++ b/ruoyi-oa/src/main/resources/mapper/oa/OaProjectScheduleStepMapper.xml
@@ -306,8 +306,19 @@
         WHERE schedule_id = #{scheduleId}
           AND del_flag = '0'
           AND use_flag = '1'
-          AND node_header IS NOT NULL
-          AND node_header != ''
+          AND (node_header IS NULL OR node_header = '')
+    </update>
+
+    <update id="batchDelayPlanEnd">
+        UPDATE oa_project_schedule_step
+        SET plan_end = DATE_ADD(plan_end, INTERVAL #{delayMinutes} MINUTE)
+        WHERE track_id IN
+        <foreach collection="trackIds" item="id" open="(" separator="," close=")">
+            #{id}
+        </foreach>
+          AND del_flag = '0'
+          AND use_flag = '1'
+          AND status IN (0, 1)
     </update>
 
 </mapper>
diff --git a/ruoyi-ui/src/api/oa/projectScheduleStep.js b/ruoyi-ui/src/api/oa/projectScheduleStep.js
index cd336a9..e6376da 100644
--- a/ruoyi-ui/src/api/oa/projectScheduleStep.js
+++ b/ruoyi-ui/src/api/oa/projectScheduleStep.js
@@ -67,3 +67,12 @@ export function listMyPage (query) {
     params: query
   })
 }
+
+// 批量延期步骤结束时间
+export function batchDelayStep (data) {
+  return request({
+    url: '/oa/projectScheduleStep/batch-delay',
+    method: 'put',
+    data: data
+  })
+}
diff --git a/ruoyi-ui/src/views/oa/project/pace/components/StepTable.vue b/ruoyi-ui/src/views/oa/project/pace/components/StepTable.vue
index c288dd0..f43c63a 100644
--- a/ruoyi-ui/src/views/oa/project/pace/components/StepTable.vue
+++ b/ruoyi-ui/src/views/oa/project/pace/components/StepTable.vue
@@ -4,12 +4,15 @@
       <el-col>
         <el-col :span="1.5">
           <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="addInnerData">新增</el-button>
+          <el-button type="warning" plain icon="el-icon-time" size="mini" @click="handleBatchDelay" :disabled="selectedRows.length === 0">批量延期</el-button>
           <slot name="extra-buttons"></slot>
         </el-col>
       </el-col>
     </el-row>
     <vxe-table size="mini" height="500" ref="tableRef" border show-overflow :edit-config="editConfig" :data="innerData"
-      :row-config="{ 'isCurrent': true }" :column-config="{ 'isCurrent': true }" :sort-config="sortConfig">
+      :row-config="{ 'isCurrent': true, 'isHover': true }" :column-config="{ 'isCurrent': true }" :sort-config="sortConfig"
+      @checkbox-change="handleCheckboxChange" @checkbox-all="handleCheckboxAll">
+      <vxe-column type="checkbox" width="50"></vxe-column>
       <vxe-column field="sortNum" title="顺序" :edit-render="{ name: 'input' }" width="70" sortable></vxe-column>
       <vxe-column field="secondLevelNode" title="步骤名称" :edit-render="{ name: 'input' }"></vxe-column>
       <vxe-column field="tabNode" title="进度类别" :edit-render="{ name: 'input' }"></vxe-column>
@@ -166,6 +169,25 @@
       <el-button type="primary" @click="submitApplyDelay">确认申请</el-button>
     </el-dialog>
 
+    <!-- 批量延期对话框 -->
+    <el-dialog :visible.sync="dialogBatchDelayVisible" title="批量延期" append-to-body width="400px">
+      <el-form :model="dialogBatchDelayForm" label-width="100px">
+        <el-form-item label="延期数值">
+          <el-input-number v-model="dialogBatchDelayForm.delayValue" :min="1" :max="365" style="width: 100%;"></el-input-number>
+        </el-form-item>
+        <el-form-item label="延期单位">
+          <el-radio-group v-model="dialogBatchDelayForm.delayUnit">
+            <el-radio label="day">天</el-radio>
+            <el-radio label="hour">小时</el-radio>
+          </el-radio-group>
+        </el-form-item>
+      </el-form>
+      <div slot="footer">
+        <el-button @click="dialogBatchDelayVisible = false">取消</el-button>
+        <el-button type="primary" @click="submitBatchDelay">确认延期</el-button>
+      </div>
+    </el-dialog>
+
     <el-dialog :visible.sync="addDialogVisible" title="新增进度" append-to-body>
       <el-form :model="dialogAddForm" ref="formRef" label-width="120px">
         <el-form-item label="进度类别" prop="tabNode">
@@ -229,7 +251,7 @@
 <script>
 import { addFileOperationRecord } from '@/api/oa/fileOperationRecord';
 import { applyProjectScheduleDelay } from "@/api/oa/projectScheduleDelay";
-import { updateProjectScheduleStep } from "@/api/oa/projectScheduleStep";
+import { updateProjectScheduleStep, batchDelayStep } from "@/api/oa/projectScheduleStep";
 import { listSupplier } from "@/api/oa/supplier";
 import { listUser } from "@/api/system/user";
 
@@ -280,6 +302,13 @@ export default {
         delayTo: '',
         applyReason: '',
       },
+      // 批量延期对话框控制
+      dialogBatchDelayVisible: false,
+      dialogBatchDelayForm: {
+        delayValue: 1,
+        delayUnit: 'day',
+      },
+      selectedRows: [],
       dialogMoreVisible: false,
       // 新增对话框控制
       addDialogVisible: false,
@@ -699,6 +728,44 @@ export default {
     handleDelete (row) {
       this.$emit('delete', row.trackId);
     },
+    handleCheckboxChange ({ records }) {
+      this.selectedRows = records;
+    },
+    handleCheckboxAll ({ records }) {
+      this.selectedRows = records;
+    },
+    handleBatchDelay () {
+      if (this.selectedRows.length === 0) {
+        this.$modal.msgWarning("请先选择要延期的步骤");
+        return;
+      }
+      this.dialogBatchDelayForm = {
+        delayValue: 1,
+        delayUnit: 'day',
+      };
+      this.dialogBatchDelayVisible = true;
+    },
+    submitBatchDelay () {
+      const trackIds = this.selectedRows.map(row => row.trackId).filter(id => id);
+      if (trackIds.length === 0) {
+        this.$modal.msgWarning("请选择有效的步骤");
+        return;
+      }
+      this.buttonLoading = true;
+      batchDelayStep({
+        trackIds: trackIds,
+        delayValue: this.dialogBatchDelayForm.delayValue,
+        delayUnit: this.dialogBatchDelayForm.delayUnit,
+      }).then(res => {
+        this.$modal.msgSuccess("批量延期成功");
+        this.dialogBatchDelayVisible = false;
+        this.$emit("refresh", this.innerData);
+      }).catch(() => {
+        this.$modal.msgError("批量延期失败");
+      }).finally(() => {
+        this.buttonLoading = false;
+      });
+    },
   },
 }
 </script>