diff --git a/pigx-flow/pigx-flow-api/src/main/java/com/pig4cloud/pigx/flow/constant/ProcessInstanceConstant.java b/pigx-flow/pigx-flow-api/src/main/java/com/pig4cloud/pigx/flow/constant/ProcessInstanceConstant.java
index c64c3f40c..2ab6f372c 100644
--- a/pigx-flow/pigx-flow-api/src/main/java/com/pig4cloud/pigx/flow/constant/ProcessInstanceConstant.java
+++ b/pigx-flow/pigx-flow-api/src/main/java/com/pig4cloud/pigx/flow/constant/ProcessInstanceConstant.java
@@ -50,6 +50,16 @@ public class ProcessInstanceConstant {
 	 */
 	public static final String USER_TASK_REFUSE_TYPE_TO_NODE = "TO_NODE";
 
+	/**
+	 * 拒绝处理策略：驳回到发起人 审批人拒绝后，流程跳转回发起人节点，发起人可重新编辑提交
+	 */
+	public static final String USER_TASK_REFUSE_TYPE_TO_START = "TO_START";
+
+	/**
+	 * 流程变量：驳回到发起人标识 用于标记流程实例是否处于驳回待重新提交状态
+	 */
+	public static final String REJECT_TO_STARTER_VAR = "rejectToStarter";
+
 	/**
 	 * 多人审批模式：会签 所有审批人都必须同意才能通过，任何一人拒绝则不通过
 	 */
diff --git a/pigx-flow/pigx-flow-api/src/main/java/com/pig4cloud/pigx/flow/vo/ProcessInstanceRecordVo.java b/pigx-flow/pigx-flow-api/src/main/java/com/pig4cloud/pigx/flow/vo/ProcessInstanceRecordVo.java
new file mode 100644
index 000000000..43b39975a
--- /dev/null
+++ b/pigx-flow/pigx-flow-api/src/main/java/com/pig4cloud/pigx/flow/vo/ProcessInstanceRecordVo.java
@@ -0,0 +1,38 @@
+package com.pig4cloud.pigx.flow.vo;
+
+import com.pig4cloud.pigx.flow.entity.ProcessInstanceRecord;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+/**
+ * 流程实例记录视图对象
+ * <p>
+ * 继承自ProcessInstanceRecord实体类，用于扩展查询返回的额外信息。
+ * 包含流程实例的驳回状态等运行时信息。
+ * </p>
+ *
+ * @author pigx
+ */
+@Data
+@EqualsAndHashCode(callSuper = true)
+public class ProcessInstanceRecordVo extends ProcessInstanceRecord {
+
+	/**
+	 * 是否驳回到发起人状态
+	 * <p>
+	 * true表示流程已被驳回到发起人，等待发起人重新编辑提交；
+	 * false或null表示流程正常运行中
+	 * </p>
+	 */
+	private Boolean rejectToStarter;
+
+	/**
+	 * 重新提交的任务ID
+	 * <p>
+	 * 当rejectToStarter为true时，此字段保存发起人节点(root)的任务ID，
+	 * 用于前端调用重新提交接口
+	 * </p>
+	 */
+	private String resubmitTaskId;
+
+}
diff --git a/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/controller/ProcessTaskController.java b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/controller/ProcessTaskController.java
index 62d5be7df..94f0116d7 100644
--- a/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/controller/ProcessTaskController.java
+++ b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/controller/ProcessTaskController.java
@@ -159,4 +159,23 @@ public class ProcessTaskController {
 		return taskService.back(taskParamDto);
 	}
 
+	/**
+	 * 重新提交任务（驳回到发起人后）
+	 * <p>
+	 * 当流程被驳回到发起人后，发起人可使用此接口重新编辑表单并提交。
+	 * 与completeTask不同：
+	 * 1. 不需要填写审批意见
+	 * 2. 会自动清理驳回标识
+	 * 3. 提交后流程继续到下一个审批节点
+	 * </p>
+	 * @param taskParamDto 重新提交参数，包含：
+	 *                     - taskId: 发起人节点的任务ID
+	 *                     - formData: 更新后的表单数据
+	 * @return R 统一响应对象，操作成功返回提交结果
+	 */
+	@PostMapping("resubmitTask")
+	public R resubmitTask(@RequestBody TaskParamDto taskParamDto) {
+		return taskService.resubmitTask(taskParamDto);
+	}
+
 }
diff --git a/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/service/ITaskService.java b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/service/ITaskService.java
index bff9632bd..b15de35a5 100644
--- a/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/service/ITaskService.java
+++ b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/service/ITaskService.java
@@ -106,4 +106,18 @@ public interface ITaskService {
 	 */
 	R queryTaskData();
 
+	/**
+	 * 重新提交任务（驳回到发起人后）
+	 * <p>
+	 * 当流程被驳回到发起人时，发起人使用此方法重新编辑表单并提交。
+	 * 与普通completeTask不同：
+	 * 1. 不需要填写审批意见
+	 * 2. 会清理 rejectToStarter 流程变量
+	 * 3. 完成后流程继续到下一个审批节点
+	 * </p>
+	 * @param taskParamDto 任务参数，包含taskId和更新后的formData
+	 * @return 操作结果
+	 */
+	R resubmitTask(TaskParamDto taskParamDto);
+
 }
diff --git a/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/service/impl/ProcessInstanceServiceImpl.java b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/service/impl/ProcessInstanceServiceImpl.java
index 00fdd60e8..e3b09edd1 100644
--- a/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/service/impl/ProcessInstanceServiceImpl.java
+++ b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/service/impl/ProcessInstanceServiceImpl.java
@@ -29,6 +29,7 @@ import com.pig4cloud.pigx.flow.support.utils.NodeUtil;
 import com.pig4cloud.pigx.flow.vo.NodeFormatParamVo;
 import com.pig4cloud.pigx.flow.vo.NodeVo;
 import com.pig4cloud.pigx.flow.vo.ProcessCopyVo;
+import com.pig4cloud.pigx.flow.vo.ProcessInstanceRecordVo;
 import lombok.RequiredArgsConstructor;
 import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
@@ -364,7 +365,39 @@ public class ProcessInstanceServiceImpl implements IProcessInstanceService {
 
         Page<ProcessInstanceRecord> instanceRecordPage = processInstanceRecordService.lambdaQuery().eq(ProcessInstanceRecord::getUserId, userId).eq(ProcessInstanceRecord::getStatus, taskQueryParamDto.getStatus()).between(ArrayUtil.isNotEmpty(taskQueryParamDto.getTaskTime()), ProcessInstanceRecord::getCreateTime, ArrayUtil.isNotEmpty(taskQueryParamDto.getTaskTime()) ? taskQueryParamDto.getTaskTime()[0] : null, ArrayUtil.isNotEmpty(taskQueryParamDto.getTaskTime()) ? taskQueryParamDto.getTaskTime()[1] : null).orderByDesc(ProcessInstanceRecord::getCreateTime).page(new Page<>(taskQueryParamDto.getCurrent(), taskQueryParamDto.getSize()));
 
-        return R.ok(instanceRecordPage);
+        // 转换为 VO 并添加驳回状态信息
+        List<ProcessInstanceRecordVo> voList = BeanUtil.copyToList(instanceRecordPage.getRecords(), ProcessInstanceRecordVo.class);
+
+        for (ProcessInstanceRecordVo vo : voList) {
+            try {
+                // 从 Flowable 变量中获取 rejectToStarter 状态
+                Object rejectVar = runtimeService.getVariable(
+                    vo.getProcessInstanceId(),
+                    "rejectToStarter"
+                );
+                vo.setRejectToStarter(Boolean.TRUE.equals(rejectVar));
+
+                // 如果是驳回状态，获取 root 任务 ID 用于重新提交
+                if (Boolean.TRUE.equals(vo.getRejectToStarter())) {
+                    Task task = taskService.createTaskQuery()
+                        .processInstanceId(vo.getProcessInstanceId())
+                        .taskDefinitionKey("root")
+                        .singleResult();
+                    if (task != null) {
+                        vo.setResubmitTaskId(task.getId());
+                    }
+                }
+            } catch (Exception e) {
+                // 流程可能已结束，设置为 false
+                vo.setRejectToStarter(false);
+            }
+        }
+
+        // 构建返回的分页对象
+        Page<ProcessInstanceRecordVo> resultPage = new Page<>(instanceRecordPage.getCurrent(), instanceRecordPage.getSize(), instanceRecordPage.getTotal());
+        resultPage.setRecords(voList);
+
+        return R.ok(resultPage);
     }
 
     /**
diff --git a/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/service/impl/TaskServiceImpl.java b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/service/impl/TaskServiceImpl.java
index de2f5b541..daf3163fd 100644
--- a/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/service/impl/TaskServiceImpl.java
+++ b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/service/impl/TaskServiceImpl.java
@@ -10,6 +10,7 @@ import com.pig4cloud.pigx.common.core.util.R;
 import com.pig4cloud.pigx.common.data.tenant.TenantContextHolder;
 import com.pig4cloud.pigx.common.security.util.SecurityUtils;
 import com.pig4cloud.pigx.flow.constant.NodeStatusEnum;
+import com.pig4cloud.pigx.flow.constant.ProcessInstanceConstant;
 import com.pig4cloud.pigx.flow.dto.IndexPageStatistics;
 import com.pig4cloud.pigx.flow.dto.Node;
 import com.pig4cloud.pigx.flow.dto.TaskParamDto;
@@ -483,6 +484,79 @@ public class TaskServiceImpl implements ITaskService {
         return flowableEngineService.back(taskParamDto);
     }
 
+    /**
+     * 重新提交任务（驳回到发起人后）
+     * <p>
+     * 当流程被驳回到发起人时，发起人使用此方法重新编辑表单并提交。
+     * 该方法会：
+     * 1. 验证任务存在且属于当前用户
+     * 2. 验证任务是 root 节点任务
+     * 3. 更新表单数据
+     * 4. 清理 rejectToStarter 流程变量
+     * 5. 完成任务，流程继续到下一个审批节点
+     * </p>
+     *
+     * @param taskParamDto 任务参数，包含taskId和更新后的formData
+     * @return R 操作结果
+     */
+    @Override
+    @SneakyThrows
+    @Transactional(rollbackFor = Exception.class)
+    public R resubmitTask(TaskParamDto taskParamDto) {
+        long userId = SecurityUtils.getUser().getId();
+
+        // 1. 获取任务并验证
+        Task task = taskService.createTaskQuery()
+            .taskId(taskParamDto.getTaskId())
+            .taskTenantId(TenantContextHolder.getTenantId().toString())
+            .taskAssignee(String.valueOf(userId))
+            .singleResult();
+
+        if (task == null) {
+            return R.failed("任务不存在或无权限操作");
+        }
+
+        // 2. 验证是 root 任务（发起人节点）
+        if (!StrUtil.equals(task.getTaskDefinitionKey(), "root")) {
+            return R.failed("非重新提交任务，无法操作");
+        }
+
+        String processInstanceId = task.getProcessInstanceId();
+
+        // 3. 更新表单数据
+        if (CollUtil.isNotEmpty(taskParamDto.getFormData())) {
+            runtimeService.setVariables(task.getExecutionId(), taskParamDto.getFormData());
+
+            // 同步更新到 ProcessInstanceRecord
+            ProcessInstanceRecord processInstanceRecord = processInstanceRecordService.lambdaQuery()
+                .eq(ProcessInstanceRecord::getProcessInstanceId, processInstanceId)
+                .one();
+
+            if (processInstanceRecord != null) {
+                Map<String, Object> existingFormData = new HashMap<>();
+                if (StrUtil.isNotBlank(processInstanceRecord.getFormData())) {
+                    existingFormData = objectMapper.readValue(processInstanceRecord.getFormData(),
+                        new TypeReference<Map<String, Object>>() {});
+                }
+                existingFormData.putAll(taskParamDto.getFormData());
+                String updatedFormData = objectMapper.writeValueAsString(existingFormData);
+
+                processInstanceRecordService.lambdaUpdate()
+                    .set(ProcessInstanceRecord::getFormData, updatedFormData)
+                    .eq(ProcessInstanceRecord::getProcessInstanceId, processInstanceId)
+                    .update();
+            }
+        }
+
+        // 4. 清理 rejectToStarter 变量
+        runtimeService.removeVariable(processInstanceId, "rejectToStarter");
+
+        // 5. 完成任务，流程继续
+        taskService.complete(taskParamDto.getTaskId());
+
+        return R.ok("重新提交成功");
+    }
+
     /**
      * 递归获取所有需要停止的子流程实例ID列表
      * <p>
diff --git a/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/support/listeners/RootTaskCreateListener.java b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/support/listeners/RootTaskCreateListener.java
new file mode 100644
index 000000000..d5bc542bb
--- /dev/null
+++ b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/support/listeners/RootTaskCreateListener.java
@@ -0,0 +1,66 @@
+package com.pig4cloud.pigx.flow.support.listeners;
+
+import cn.hutool.extra.spring.SpringUtil;
+import lombok.extern.slf4j.Slf4j;
+import org.flowable.engine.RuntimeService;
+import org.flowable.engine.TaskService;
+import org.flowable.task.service.delegate.DelegateTask;
+import org.flowable.task.service.delegate.TaskListener;
+
+/**
+ * 发起人任务创建监听器
+ * <p>
+ * 用于处理发起人节点（root节点）的任务创建事件。
+ * 该监听器的核心职责是区分"正常发起流程"和"驳回到发起人"两种场景：
+ * <ul>
+ *   <li>正常发起流程：自动完成root任务，让流程继续到第一个审批节点</li>
+ *   <li>驳回到发起人：保留任务，让发起人可以在待办任务中看到并处理</li>
+ * </ul>
+ * </p>
+ * <p>
+ * 判断逻辑：
+ * 通过检查流程变量 rejectToStarter 是否为 true 来判断是否是驳回场景。
+ * 该变量在 ApproveServiceTask 处理驳回到发起人时设置。
+ * </p>
+ *
+ * @author pigx
+ * @see com.pig4cloud.pigx.flow.support.tasks.ApproveServiceTask
+ */
+@Slf4j
+public class RootTaskCreateListener implements TaskListener {
+
+	/**
+	 * 任务创建事件处理方法
+	 * <p>
+	 * 当root任务被创建时触发。根据是否是驳回场景决定是否自动完成任务。
+	 * </p>
+	 *
+	 * @param delegateTask 委派的任务对象
+	 */
+	@Override
+	public void notify(DelegateTask delegateTask) {
+		RuntimeService runtimeService = SpringUtil.getBean(RuntimeService.class);
+		TaskService taskService = SpringUtil.getBean(TaskService.class);
+
+		String processInstanceId = delegateTask.getProcessInstanceId();
+		String taskId = delegateTask.getId();
+		String assignee = delegateTask.getAssignee();
+
+		log.debug("发起人任务创建 - 任务ID: {}, 执行人: {}, 流程实例ID: {}", taskId, assignee, processInstanceId);
+
+		// 检查是否是驳回场景
+		Object rejectToStarter = runtimeService.getVariable(processInstanceId, "rejectToStarter");
+
+		if (!Boolean.TRUE.equals(rejectToStarter)) {
+			// 非驳回场景：自动完成 root 任务，让流程继续到下一个节点
+			log.debug("非驳回场景，自动完成发起人任务 - 任务ID: {}", taskId);
+			taskService.complete(taskId);
+		}
+		else {
+			// 驳回场景：保留任务给发起人处理
+			// 发起人可以在待办任务列表中看到这个任务，并进行编辑重新提交
+			log.info("驳回场景，保留任务给发起人 - 任务ID: {}, 执行人: {}", taskId, assignee);
+		}
+	}
+
+}
diff --git a/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/support/node/RootTaskHandler.java b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/support/node/RootTaskHandler.java
new file mode 100644
index 000000000..c2da4e999
--- /dev/null
+++ b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/support/node/RootTaskHandler.java
@@ -0,0 +1,67 @@
+package com.pig4cloud.pigx.flow.support.node;
+
+import cn.hutool.extra.spring.SpringUtil;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.pig4cloud.pigx.flow.constant.ProcessInstanceConstant;
+import com.pig4cloud.pigx.flow.dto.NodeUser;
+import lombok.extern.slf4j.Slf4j;
+import org.flowable.engine.delegate.DelegateExecution;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+
+/**
+ * 发起人任务处理器
+ * <p>
+ * 用于处理驳回到发起人场景下，发起人任务的执行人解析。
+ * 该处理器作为Spring Bean注入，在BPMN模型中通过EL表达式调用。
+ * </p>
+ * <p>
+ * 使用方式：
+ * 在UserTask的assignee属性中配置：${rootTaskHandler.resolveAssignee(execution)}
+ * </p>
+ *
+ * @author pigx
+ */
+@Component("rootTaskHandler")
+@Slf4j
+public class RootTaskHandler {
+
+	/**
+	 * 解析发起人作为任务执行人
+	 * <p>
+	 * 从流程变量中获取发起人信息（root变量），返回发起人的用户ID作为任务执行人。
+	 * 该方法在任务创建时由Flowable引擎通过EL表达式调用。
+	 * </p>
+	 *
+	 * @param execution 流程执行上下文，包含流程变量等信息
+	 * @return 发起人用户ID字符串，如果未找到则返回默认空执行人标识
+	 */
+	public String resolveAssignee(DelegateExecution execution) {
+		// 从流程变量中获取发起人信息
+		Object rootUserObj = execution.getVariable("root");
+		if (rootUserObj == null) {
+			log.warn("未找到发起人信息，流程实例ID: {}", execution.getProcessInstanceId());
+			return ProcessInstanceConstant.DEFAULT_EMPTY_ASSIGN.toString();
+		}
+
+		ObjectMapper objectMapper = SpringUtil.getBean(ObjectMapper.class);
+		try {
+			// 发起人信息存储为List<NodeUser>格式
+			List<NodeUser> nodeUsers = objectMapper.readValue(objectMapper.writeValueAsString(rootUserObj),
+					new TypeReference<List<NodeUser>>() {
+					});
+			if (!nodeUsers.isEmpty()) {
+				Long userId = nodeUsers.get(0).getId();
+				log.debug("解析发起人成功，用户ID: {}", userId);
+				return userId.toString();
+			}
+		}
+		catch (Exception e) {
+			log.error("解析发起人信息失败，流程实例ID: {}", execution.getProcessInstanceId(), e);
+		}
+		return ProcessInstanceConstant.DEFAULT_EMPTY_ASSIGN.toString();
+	}
+
+}
diff --git a/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/support/tasks/ApproveServiceTask.java b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/support/tasks/ApproveServiceTask.java
index f1d2e4ad1..7a0a22db1 100644
--- a/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/support/tasks/ApproveServiceTask.java
+++ b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/support/tasks/ApproveServiceTask.java
@@ -105,6 +105,11 @@ public class ApproveServiceTask implements JavaDelegate {
 				// 根据拒绝设置重定向到特定节点
 				stateChangeBuilder.moveActivityIdTo(currentActivityId, refuseConfig.getNodeId()).changeState();
 			}
+			else if (StrUtil.equals(rejectionHandler, "TO_START")) {
+				// 驳回到发起人：设置驳回标识变量，跳转到 root 节点
+				runtimeService.setVariable(processInstanceId, "rejectToStarter", true);
+				stateChangeBuilder.moveActivityIdTo(currentActivityId, "root").changeState();
+			}
 			else {
 				// 默认行为：重定向到结束节点
 				stateChangeBuilder.moveActivityIdTo(currentActivityId, "end").changeState();
diff --git a/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/support/utils/ModelUtil.java b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/support/utils/ModelUtil.java
index a126071a2..d9fdd3d89 100644
--- a/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/support/utils/ModelUtil.java
+++ b/pigx-flow/pigx-flow-biz/src/main/java/com/pig4cloud/pigx/flow/support/utils/ModelUtil.java
@@ -13,6 +13,7 @@ import com.pig4cloud.pigx.flow.service.IProcessNodeDataService;
 import com.pig4cloud.pigx.flow.support.expression.condition.NodeExpressionStrategyFactory;
 import com.pig4cloud.pigx.flow.support.listeners.ApprovalCreateListener;
 import com.pig4cloud.pigx.flow.support.listeners.FlowProcessEventListener;
+import com.pig4cloud.pigx.flow.support.listeners.RootTaskCreateListener;
 import com.pig4cloud.pigx.flow.support.tasks.ApproveServiceTask;
 import com.pig4cloud.pigx.flow.support.tasks.CopyServiceTask;
 import lombok.extern.slf4j.Slf4j;
@@ -352,22 +353,53 @@ public class ModelUtil {
 	/**
 	 * 构建开始节点
 	 * <p>
-	 * 创建BPMN流程的开始事件节点。
-	 * 每个流程必须有且只有一个开始节点。
+	 * 创建BPMN流程的开始事件节点和发起人任务节点。
+	 * 流程结构：StartEvent(start) → UserTask(root) → 第一个审批节点
+	 * </p>
+	 * <p>
+	 * 发起人任务节点的作用：
+	 * <ul>
+	 *   <li>正常发起流程时，通过RootTaskCreateListener自动完成，流程继续到下一个节点</li>
+	 *   <li>驳回到发起人时，任务保留给发起人，发起人可以在待办任务中编辑并重新提交</li>
+	 * </ul>
+	 * </p>
 	 *
 	 * @param node 前端传输的开始节点数据
-	 * @return 包含开始事件的流程元素列表
+	 * @return 包含开始事件和发起人任务的流程元素列表
 	 */
 	private static List<FlowElement> buildStartNode(Node node) {
 
 		List<FlowElement> flowElementList = new ArrayList<>();
 
+		// 1. 创建真正的开始事件（ID 为 start）
 		StartEvent startEvent = new StartEvent();
-		startEvent.setId(node.getId());
-		startEvent.setName(node.getName());
-
+		startEvent.setId("start");
+		startEvent.setName("开始");
 		flowElementList.add(startEvent);
 
+		// 2. 创建发起人任务节点（ID 保持为 root）
+		// 配置任务监听器，用于处理驳回场景
+		FlowableListener createListener = new FlowableListener();
+		createListener.setImplementation(RootTaskCreateListener.class.getCanonicalName());
+		createListener.setImplementationType("class");
+		createListener.setEvent("create");
+
+		UserTask rootTask = new UserTask();
+		rootTask.setId(node.getId()); // 保持 "root" 作为 ID
+		rootTask.setName(node.getName());
+		// 动态获取发起人作为执行人
+		rootTask.setAssignee("${rootTaskHandler.resolveAssignee(execution)}");
+
+		List<FlowableListener> taskListeners = new ArrayList<>();
+		taskListeners.add(createListener);
+		rootTask.setTaskListeners(taskListeners);
+
+		flowElementList.add(rootTask);
+
+		// 3. 更新节点的 head/tail 信息
+		node.setHeadId("start"); // 头部是 StartEvent
+		node.setTailId(node.getId()); // 尾部是 root UserTask
+
 		return flowElementList;
 	}
 
@@ -655,7 +687,11 @@ public class ModelUtil {
 	/**
 	 * 创建节点内部连接线
 	 * <p>
-	 * 创建节点内部的连接线，例如审批节点与其后续服务任务之间的连接。
+	 * 创建节点内部的连接线，例如：
+	 * <ul>
+	 *   <li>开始节点：start → root（StartEvent到发起人UserTask）</li>
+	 *   <li>审批节点：审批任务 → 服务任务</li>
+	 * </ul>
 	 *
 	 * @param node   节点数据
 	 * @param flowId 流程定义ID
@@ -673,6 +709,13 @@ public class ModelUtil {
 			return sequenceFlowList;
 		}
 
+		// 开始节点：创建 start → root 的连线
+		if (node.getType() == NodeTypeEnum.ROOT.getValue().intValue()) {
+			SequenceFlow sequenceFlow = buildSingleSequenceFlow("start", nodeId, null, "start->root");
+			sequenceFlowList.add(sequenceFlow);
+		}
+
+		// 审批节点：创建审批任务到服务任务的连线
 		if (node.getType() == NodeTypeEnum.APPROVAL.getValue().intValue()) {
 
 			String gatewayId = StrUtil.format("approve_service_task_{}", nodeId);