diff --git a/rag2_0/dify/dify_tool.py b/rag2_0/dify/dify_tool.py
index d881d99..1873706 100755
--- a/rag2_0/dify/dify_tool.py
+++ b/rag2_0/dify/dify_tool.py
@@ -357,7 +357,7 @@ class DifyTool:
         """
         根据会话 ID 从 'messages' 表中获取会话消息信息。
         """
-        return self.dify_pgsql.get_app_conversations(conversation_id)
+        return self.dify_pgsql.get_conversation_messages(conversation_id)
 
     def get_workflow_node_executions_info(self, workflow_run_id:str):
         return self.dify_pgsql.get_workflow_node_executions_info(workflow_run_id)