diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/listener/EngineExecutionStartListener.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/listener/EngineExecutionStartListener.java
index ad5c9a3db..4f06b073e 100644
--- a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/listener/EngineExecutionStartListener.java
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/listener/EngineExecutionStartListener.java
@@ -90,7 +90,8 @@ public class EngineExecutionStartListener implements ExecutionListener {
         String currentActivityId = execution.getCurrentActivityId();
         String assigneeListVariableName = INTERNAL_TASK_RELATION_ASSIGNEE_LIST_INFO + currentActivityId;
         if (execution.hasVariable(assigneeListVariableName)) {
-            return;
+            // 提级审批中，会操作
+            execution.removeVariable(assigneeListVariableName);
         }
         Process mainProcess = ProcessDefinitionUtil.getBpmnModel(execution.getProcessDefinitionId()).getMainProcess();
         UserTask userTask = (UserTask) mainProcess.getFlowElement(currentActivityId);