diff --git a/ruoyi-system/src/main/java/com/ruoyi/workflow/service/IWfTaskService.java b/ruoyi-system/src/main/java/com/ruoyi/workflow/service/IWfTaskService.java
index 7fbdda0..78fbbe4 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/workflow/service/IWfTaskService.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/workflow/service/IWfTaskService.java
@@ -117,4 +117,11 @@ public interface IWfTaskService {
     void startFirstTask(ProcessInstance processInstance, Map<String, Object> variables);
 
     public List<FlowRecord> getApprovedRecords(Long userId, String category);
+
+    /**
+     * 检查任务节点类型
+     * @param taskId 任务ID
+     * @return Map包含isStartNode和isEndNode信息
+     */
+    Map<String, Boolean> checkTaskNodeType(String taskId);
 }
diff --git a/ruoyi-system/src/main/java/com/ruoyi/workflow/service/impl/WfProcessServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/workflow/service/impl/WfProcessServiceImpl.java
index cbb27e0..24f8a8d 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/workflow/service/impl/WfProcessServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/workflow/service/impl/WfProcessServiceImpl.java
@@ -888,7 +888,7 @@ public class WfProcessServiceImpl extends FlowServiceFactory implements IWfProce
      *
      * @param bpmnModel 流程模型
      * @param processInstanceId 流程实例ID
-     * @param candidateUsers 审批人字符串
+     * @param candidateUsers 审批人ID（单个用户）
      */
     private void assignNextUsers(BpmnModel bpmnModel, String processInstanceId, String candidateUsers) {
         if (StringUtils.isBlank(candidateUsers)) {
@@ -905,25 +905,9 @@ public class WfProcessServiceImpl extends FlowServiceFactory implements IWfProce
                 return;
             }
 
-            // 解析审批人字符串，格式可能是：userId1,userId2,userId3
-            String[] userIds = candidateUsers.split(",");
-            
-            // 为每个任务直接指定实际办理人
+            // 为每个任务直接指定实际办理人（现在只支持单个用户）
             for (Task task : tasks) {
-                // 如果只有一个审批人，直接设置为实际办理人
-                if (userIds.length == 1 && StringUtils.isNotBlank(userIds[0])) {
-                    taskService.setAssignee(task.getId(), userIds[0].trim());
-                } else if (userIds.length > 1) {
-                    // 如果有多个审批人，设置第一个为实际办理人，其他为候选人
-                    // 或者根据业务需求，可以只设置候选人让用户自己认领
-                    taskService.setAssignee(task.getId(), userIds[0].trim());
-                    // 如果需要其他人也能看到任务，可以添加候选人
-                    for (int i = 1; i < userIds.length; i++) {
-                        if (StringUtils.isNotBlank(userIds[i])) {
-                            taskService.addCandidateUser(task.getId(), userIds[i].trim());
-                        }
-                    }
-                }
+                taskService.setAssignee(task.getId(), candidateUsers.trim());
             }
         } catch (Exception e) {
             e.printStackTrace();
diff --git a/ruoyi-system/src/main/java/com/ruoyi/workflow/service/impl/WfTaskServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/workflow/service/impl/WfTaskServiceImpl.java
index b0b841e..0f89c49 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/workflow/service/impl/WfTaskServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/workflow/service/impl/WfTaskServiceImpl.java
@@ -729,4 +729,63 @@ public class WfTaskServiceImpl extends FlowServiceFactory implements IWfTaskServ
         }
         return null;
     }
+
+    /**
+     * 检查任务节点类型
+     * @param taskId 任务ID
+     * @return Map包含isStartNode和isEndNode信息
+     */
+    @Override
+    public Map<String, Boolean> checkTaskNodeType(String taskId) {
+        Map<String, Boolean> result = new HashMap<>();
+        result.put("isStartNode", false);
+        result.put("isEndNode", false);
+
+        try {
+            // 获取任务信息
+            Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
+            if (task == null) {
+                return result;
+            }
+
+            // 获取流程定义
+            ProcessDefinition processDefinition = repositoryService.createProcessDefinitionQuery()
+                    .processDefinitionId(task.getProcessDefinitionId())
+                    .singleResult();
+
+            // 获取BPMN模型
+            BpmnModel bpmnModel = repositoryService.getBpmnModel(processDefinition.getId());
+            Process process = bpmnModel.getMainProcess();
+
+            // 获取当前任务节点
+            FlowElement currentElement = process.getFlowElement(task.getTaskDefinitionKey());
+            if (currentElement instanceof UserTask) {
+                UserTask userTask = (UserTask) currentElement;
+
+                // 检查是否为开始节点的下一个节点
+                List<SequenceFlow> incomingFlows = userTask.getIncomingFlows();
+                for (SequenceFlow flow : incomingFlows) {
+                    FlowElement sourceElement = process.getFlowElement(flow.getSourceRef());
+                    if (sourceElement instanceof StartEvent) {
+                        result.put("isStartNode", true);
+                        break;
+                    }
+                }
+
+                // 检查是否为结束节点的上一个节点
+                List<SequenceFlow> outgoingFlows = userTask.getOutgoingFlows();
+                for (SequenceFlow flow : outgoingFlows) {
+                    FlowElement targetElement = process.getFlowElement(flow.getTargetRef());
+                    if (targetElement instanceof EndEvent) {
+                        result.put("isEndNode", true);
+                        break;
+                    }
+                }
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        return result;
+    }
 }