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 20de3a14a..e5e23fcae 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
@@ -459,7 +459,9 @@ public class BpmnProcessTaskServiceImpl implements BpmnProcessTaskService {
             task.setPriority(parentTask.getPriority());
             task.setCreateTime(new Date());
 
-            Execution subExecution = runtimeService.addMultiInstanceExecution(parentTask.getTaskDefinitionKey(), parentTask.getProcessInstanceId(), null);
+            Map<String, Object> executionVariables = new HashMap<>();
+            executionVariables.put("assigneeName", assigner.buildAssigneeId());
+            Execution subExecution = runtimeService.addMultiInstanceExecution(parentTask.getTaskDefinitionKey(), parentTask.getProcessInstanceId(), executionVariables);
 //            ExecutionEntity concurrentExecution = CommandContextUtil.getExecutionEntityManager()
 //                    .createChildExecution((ExecutionEntity) multiInstanceRootExecution);
 //            Execution subExecution = runtimeService.createExecutionQuery()