diff --git a/klp-admin/src/main/resources/db/migration/V4__newSql.sql b/klp-admin/src/main/resources/db/migration/V4__newSql.sql
new file mode 100644
index 00000000..79727e22
--- /dev/null
+++ b/klp-admin/src/main/resources/db/migration/V4__newSql.sql
@@ -0,0 +1,6 @@
+alter table wms_purchase_plan_detail
+    modify plan_id bigint null comment '采购计划ID';
+
+alter table wms_purchase_plan_detail
+    add detail_code varchar(64) null comment '详情编码' after plan_id;
+
diff --git a/klp-flowable/src/main/java/com/klp/flowable/listener/UserTaskListener.java b/klp-flowable/src/main/java/com/klp/flowable/listener/UserTaskListener.java
index 1ec6011c..eeb17de1 100644
--- a/klp-flowable/src/main/java/com/klp/flowable/listener/UserTaskListener.java
+++ b/klp-flowable/src/main/java/com/klp/flowable/listener/UserTaskListener.java
@@ -4,6 +4,8 @@ import org.flowable.engine.delegate.TaskListener;
 import org.flowable.task.service.delegate.DelegateTask;
 import org.springframework.stereotype.Component;
 
+import java.util.Map;
+
 /**
  * 用户任务监听器
  *
@@ -20,8 +22,24 @@ public class UserTaskListener implements TaskListener {
 
     @Override
     public void notify(DelegateTask delegateTask) {
-        //TODO 实现你的任务监听器逻辑
         System.out.println("执行任务监听器...");
+        
+        // 检查是否有指定的下一个处理人
+        Map<String, Object> variables = delegateTask.getVariables();
+        if (variables.containsKey("nextUserIds")) {
+            String nextUserIds = (String) variables.get("nextUserIds");
+            if (nextUserIds != null && !nextUserIds.isEmpty()) {
+                // 设置任务的处理人
+                String[] userIds = nextUserIds.split(",");
+                if (userIds.length > 0) {
+                    delegateTask.setAssignee(userIds[0]);
+                }
+                // 如果有多个处理人，可以设置为候选人
+                for (int i = 1; i < userIds.length; i++) {
+                    delegateTask.addCandidateUser(userIds[i]);
+                }
+            }
+        }
     }
 
 }
diff --git a/klp-flowable/src/main/java/com/klp/flowable/utils/NextUserSelector.java b/klp-flowable/src/main/java/com/klp/flowable/utils/NextUserSelector.java
new file mode 100644
index 00000000..bc6e33ca
--- /dev/null
+++ b/klp-flowable/src/main/java/com/klp/flowable/utils/NextUserSelector.java
@@ -0,0 +1,68 @@
+package com.klp.flowable.utils;
+
+import org.flowable.engine.RuntimeService;
+import org.flowable.engine.TaskService;
+import org.flowable.task.api.Task;
+import org.springframework.stereotype.Component;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * 下一个处理人选择器
+ * 用于处理用户自定义选择下一个处理人的逻辑
+ *
+ * @author CodeBuddy
+ * @since 2025/8/22
+ */
+@Component
+public class NextUserSelector {
+
+    private final TaskService taskService;
+    private final RuntimeService runtimeService;
+
+    public NextUserSelector(TaskService taskService, RuntimeService runtimeService) {
+        this.taskService = taskService;
+        this.runtimeService = runtimeService;
+    }
+
+    /**
+     * 设置下一个任务的处理人
+     *
+     * @param taskId 当前任务ID
+     * @param nextUserIds 下一个处理人ID，多个用逗号分隔
+     */
+    public void setNextTaskUsers(String taskId, String nextUserIds) {
+        if (nextUserIds == null || nextUserIds.isEmpty()) {
+            return;
+        }
+        
+        Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
+        if (task == null) {
+            return;
+        }
+        
+        // 设置流程变量，在任务完成后传递给下一个任务
+        Map<String, Object> variables = new HashMap<>();
+        variables.put("nextUserIds", nextUserIds);
+        
+        // 更新流程实例变量
+        runtimeService.setVariables(task.getExecutionId(), variables);
+    }
+    
+    /**
+     * 获取当前任务的指定处理人
+     *
+     * @param taskId 任务ID
+     * @return 指定的处理人ID，多个用逗号分隔
+     */
+    public String getNextTaskUsers(String taskId) {
+        Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
+        if (task == null) {
+            return null;
+        }
+        
+        Object nextUserIds = runtimeService.getVariable(task.getExecutionId(), "nextUserIds");
+        return nextUserIds != null ? nextUserIds.toString() : null;
+    }
+}
\ No newline at end of file
diff --git a/klp-system/src/main/java/com/klp/workflow/service/impl/WfTaskServiceImpl.java b/klp-system/src/main/java/com/klp/workflow/service/impl/WfTaskServiceImpl.java
index 5bee9e87..1a26bde5 100644
--- a/klp-system/src/main/java/com/klp/workflow/service/impl/WfTaskServiceImpl.java
+++ b/klp-system/src/main/java/com/klp/workflow/service/impl/WfTaskServiceImpl.java
@@ -74,6 +74,18 @@ public class WfTaskServiceImpl extends FlowServiceFactory implements IWfTaskServ
         // 获取 bpmn 模型
         BpmnModel bpmnModel = repositoryService.getBpmnModel(task.getProcessDefinitionId());
         identityService.setAuthenticatedUserId(TaskUtils.getUserId());
+        
+        // 处理下一级审批人，将用户选择的下一个处理人保存到流程变量中
+        if (StringUtils.isNotBlank(taskBo.getNextUserIds())) {
+            // 如果有指定下一个处理人，则将其保存到流程变量中
+            Map<String, Object> variables = taskBo.getVariables();
+            if (variables == null) {
+                variables = new HashMap<>();
+                taskBo.setVariables(variables);
+            }
+            variables.put("nextUserIds", taskBo.getNextUserIds());
+        }
+        
         if (DelegationState.PENDING.equals(task.getDelegationState())) {
             taskService.addComment(taskBo.getTaskId(), taskBo.getProcInsId(), FlowComment.DELEGATE.getType(), taskBo.getComment());
             taskService.resolveTask(taskBo.getTaskId());
diff --git a/klp-ui/src/views/workflow/work/detail.vue b/klp-ui/src/views/workflow/work/detail.vue
index 43c5ca21..e36e7b10 100644
--- a/klp-ui/src/views/workflow/work/detail.vue
+++ b/klp-ui/src/views/workflow/work/detail.vue
@@ -42,6 +42,10 @@
                     {{ item.nickName }}
                   </el-tag>
                   <el-button class="button-new-tag" type="primary" icon="el-icon-plus" size="mini" circle @click="onSelectNextUsers" />
+                  <div class="form-item-tip">
+                    <i class="el-icon-info"></i>
+                    <span>您可以指定下一个任务的处理人，系统将自动将任务分配给指定的人员</span>
+                  </div>
                 </el-form-item>
               </el-form>
             </el-col>
@@ -651,4 +655,16 @@ export default {
 .button-new-tag {
   margin-left: 10px;
 }
+
+.form-item-tip {
+  margin-top: 8px;
+  font-size: 12px;
+  color: #909399;
+  line-height: 1.5;
+  
+  i {
+    margin-right: 4px;
+    color: #E6A23C;
+  }
+}
 </style>
diff --git a/klp-wms/src/main/java/com/klp/domain/WmsPurchasePlanDetail.java b/klp-wms/src/main/java/com/klp/domain/WmsPurchasePlanDetail.java
index 3e2bd9c3..98c98299 100644
--- a/klp-wms/src/main/java/com/klp/domain/WmsPurchasePlanDetail.java
+++ b/klp-wms/src/main/java/com/klp/domain/WmsPurchasePlanDetail.java
@@ -73,4 +73,9 @@ public class WmsPurchasePlanDetail extends BaseEntity {
      */
     private Long contractId;
 
+    /**
+     * 详情编号
+     */
+    private String detailCode;
+
 }
diff --git a/klp-wms/src/main/java/com/klp/domain/bo/WmsPurchasePlanDetailBo.java b/klp-wms/src/main/java/com/klp/domain/bo/WmsPurchasePlanDetailBo.java
index 8fa5da79..37e3c605 100644
--- a/klp-wms/src/main/java/com/klp/domain/bo/WmsPurchasePlanDetailBo.java
+++ b/klp-wms/src/main/java/com/klp/domain/bo/WmsPurchasePlanDetailBo.java
@@ -75,5 +75,10 @@ public class WmsPurchasePlanDetailBo extends BaseEntity {
      */
     private Long contractId;
 
+    /**
+     * 详情编号
+     */
+    private String detailCode;
+
 
 }
diff --git a/klp-wms/src/main/java/com/klp/domain/vo/WmsPurchasePlanDetailVo.java b/klp-wms/src/main/java/com/klp/domain/vo/WmsPurchasePlanDetailVo.java
index 721da3f6..185db049 100644
--- a/klp-wms/src/main/java/com/klp/domain/vo/WmsPurchasePlanDetailVo.java
+++ b/klp-wms/src/main/java/com/klp/domain/vo/WmsPurchasePlanDetailVo.java
@@ -111,4 +111,9 @@ public class WmsPurchasePlanDetailVo {
      * 合同编号
      */
     private String contractNo;
+
+    /**
+     * 详情编号
+     */
+    private String detailCode;
 }
diff --git a/klp-wms/src/main/java/com/klp/service/impl/WmsPurchasePlanDetailServiceImpl.java b/klp-wms/src/main/java/com/klp/service/impl/WmsPurchasePlanDetailServiceImpl.java
index 19505ce5..cbb7e864 100644
--- a/klp-wms/src/main/java/com/klp/service/impl/WmsPurchasePlanDetailServiceImpl.java
+++ b/klp-wms/src/main/java/com/klp/service/impl/WmsPurchasePlanDetailServiceImpl.java
@@ -66,6 +66,7 @@ public class WmsPurchasePlanDetailServiceImpl implements IWmsPurchasePlanDetailS
         lqw.eq(StringUtils.isNotBlank(bo.getOwner()), WmsPurchasePlanDetail::getOwner, bo.getOwner());
         lqw.eq(bo.getQuantity() != null, WmsPurchasePlanDetail::getQuantity, bo.getQuantity());
         lqw.eq(StringUtils.isNotBlank(bo.getUnit()), WmsPurchasePlanDetail::getUnit, bo.getUnit());
+        lqw.like(StringUtils.isNotBlank(bo.getDetailCode()), WmsPurchasePlanDetail::getDetailCode, bo.getDetailCode());
         return lqw;
     }
 
@@ -78,6 +79,7 @@ public class WmsPurchasePlanDetailServiceImpl implements IWmsPurchasePlanDetailS
         qw.eq(StringUtils.isNotBlank(bo.getOwner()), "wpd.owner", bo.getOwner());
         qw.eq(bo.getQuantity() != null, "wpd.quantity", bo.getQuantity());
         qw.eq(StringUtils.isNotBlank(bo.getUnit()), "wpd.unit", bo.getUnit());
+        qw.like(StringUtils.isNotBlank(bo.getDetailCode()), "wpd.detail_code", bo.getDetailCode());
         return qw;
     }
 
diff --git a/klp-wms/src/main/resources/mapper/klp/WmsPurchasePlanDetailMapper.xml b/klp-wms/src/main/resources/mapper/klp/WmsPurchasePlanDetailMapper.xml
index 6e16aabf..f117e1c8 100644
--- a/klp-wms/src/main/resources/mapper/klp/WmsPurchasePlanDetailMapper.xml
+++ b/klp-wms/src/main/resources/mapper/klp/WmsPurchasePlanDetailMapper.xml
@@ -21,6 +21,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <result property="updateBy" column="update_by"/>
         <result property="contractId" column="contract_id"/>
         <result property="supplierId" column="supplier_id"/>
+        <result property="detailCode" column="detail_code"/>
     </resultMap>
     <select id="selectVoPagePlus" resultType="com.klp.domain.vo.WmsPurchasePlanDetailVo">
     <!-- 联查材料名称编码 -->