diff --git a/spring-ai-alibaba-graph-example/chatflow/src/main/java/com/alibaba/example/conf/TodoChatFlowFactory.java b/spring-ai-alibaba-graph-example/chatflow/src/main/java/com/alibaba/example/conf/TodoChatFlowFactory.java
index 90aabcb0..932e290c 100644
--- a/spring-ai-alibaba-graph-example/chatflow/src/main/java/com/alibaba/example/conf/TodoChatFlowFactory.java
+++ b/spring-ai-alibaba-graph-example/chatflow/src/main/java/com/alibaba/example/conf/TodoChatFlowFactory.java
@@ -82,7 +82,7 @@ public static CompiledGraph build(ChatClient chatClient, CompiledGraph subGraph)
             }
             Map<String, Object> input = Map.of("task_content", taskContent);
 
-            var subResult = subGraph.invoke(input, RunnableConfig.builder().threadId(subThreadId).build());
+            var subResult = subGraph.call(input, RunnableConfig.builder().threadId(subThreadId).build());
             if (subResult.isPresent()) {
                 Object createdTaskObj = subResult.get().value("created_task").orElse(null);
                 String createdTask = null;