diff --git a/project/src/main/java/com/sdm/project/service/impl/ProjectServiceImpl.java b/project/src/main/java/com/sdm/project/service/impl/ProjectServiceImpl.java
index d097bf3d..2533d433 100644
--- a/project/src/main/java/com/sdm/project/service/impl/ProjectServiceImpl.java
+++ b/project/src/main/java/com/sdm/project/service/impl/ProjectServiceImpl.java
@@ -296,9 +296,10 @@ public class ProjectServiceImpl extends BaseService implements IProjectService {
      * 处理任务扩展节点批量更新
      * @param taskExtraNodeList 扩展节点列表
      */
-    private void handleTaskExtraNode(List<TaskExtraNode> taskExtraNodeList) {
+    private void handleTaskExtraNode(List<TaskExtraNode> taskExtraNodeList,String taskUuid) {
+        mapper.deleteTaskExtraList(Collections.singletonList(taskUuid));
         if (CollectionUtils.isNotEmpty(taskExtraNodeList)) {
-            taskExtraNodeList.forEach(mapper::updateProjectNodeItemExtra);
+            mapper.batchAddSimulationTaskExtra(taskExtraNodeList);
         }
     }
 
@@ -433,7 +434,7 @@ public class ProjectServiceImpl extends BaseService implements IProjectService {
             renameDirNew(taskUuid, nodeName);
 
             // 2. 批量更新节点扩展信息
-            handleTaskExtraNode(taskEditNodeReq.getTaskExtraNodeList());
+            handleTaskExtraNode(taskEditNodeReq.getTaskExtraNodeList(),taskUuid);
 
             // 3. 处理执行人（需消息通知+权限同步）
             handleTaskMember(taskEditNodeReq, MemberTypeEnum.EXECUTOR,