diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/impl/BpmnProcessTaskServiceImpl.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/impl/BpmnProcessTaskServiceImpl.java
index f2a7c828d..20de3a14a 100644
--- a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/impl/BpmnProcessTaskServiceImpl.java
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/impl/BpmnProcessTaskServiceImpl.java
@@ -459,10 +459,13 @@ public class BpmnProcessTaskServiceImpl implements BpmnProcessTaskService {
             task.setPriority(parentTask.getPriority());
             task.setCreateTime(new Date());
 
-            Execution subExecution = runtimeService.createExecutionQuery()
-                    .parentId(parentTask.getExecutionId()) // 将新执行实例设置为当前执行实例的子实例
-                    .activityId(parentTask.getTaskDefinitionKey()) // 指定活动ID
-                    .singleResult();
+            Execution subExecution = runtimeService.addMultiInstanceExecution(parentTask.getTaskDefinitionKey(), parentTask.getProcessInstanceId(), null);
+//            ExecutionEntity concurrentExecution = CommandContextUtil.getExecutionEntityManager()
+//                    .createChildExecution((ExecutionEntity) multiInstanceRootExecution);
+//            Execution subExecution = runtimeService.createExecutionQuery()
+//                    .parentId(parentTask.getExecutionId()) // 将新执行实例设置为当前执行实例的子实例
+//                    .activityId(parentTask.getTaskDefinitionKey()) // 指定活动ID
+//                    .singleResult();
             task.setExecutionId(subExecution.getId());
             log.info("流程加签父任务:{},正在创建加签子任务:{},", parentTaskId, JSONUtil.toJsonStr(Lists.newArrayList(task)));
             taskService.saveTask(task);