diff --git a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/listener/notice/RocketMqMessagePushEventListener.java b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/listener/notice/RocketMqMessagePushEventListener.java
index 9cb2c3832..a43219ea8 100644
--- a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/listener/notice/RocketMqMessagePushEventListener.java
+++ b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/listener/notice/RocketMqMessagePushEventListener.java
@@ -158,7 +158,8 @@ public class RocketMqMessagePushEventListener implements BpmnMessagePushEventLis
         Map<String, Object> variables = new HashMap<>();
 
         BpmnProcessInstanceVO processInstance = getBpmnProcessInstanceVO(event);
-        Map<String, Object> originVariables = processInstance.getVariables();
+        Map<String, Object> originVariables = new HashMap<>(processInstance.getVariables());
+
         BpmnTaskDelegateAssigner initiator = (BpmnTaskDelegateAssigner) originVariables.getOrDefault(INTERNAL_INITIATOR,
                 new BpmnTaskDelegateAssigner());
         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");