From 88c885aaa979c626b6ac286956f1594428880593 Mon Sep 17 00:00:00 2001
From: ulleo <ulleo.wang@gmail.com>
Date: Tue, 25 Nov 2025 18:13:15 +0800
Subject: [PATCH] fix: "Object of type datetime is not JSON serializable" error
 in mcp chat

---
 backend/apps/chat/task/llm.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/apps/chat/task/llm.py b/backend/apps/chat/task/llm.py
index 801cbf16..39ab5423 100644
--- a/backend/apps/chat/task/llm.py
+++ b/backend/apps/chat/task/llm.py
@@ -1047,7 +1047,7 @@ class LLMService:
             if in_chat:
                 yield 'data:' + orjson.dumps({'content': 'execute-success', 'type': 'sql-data'}).decode() + '\n\n'
             if not stream:
-                json_result['data'] = result.get('data')
+                json_result['data'] = get_chat_chart_data(_session, self.record.id)
 
             if finish_step.value <= ChatFinishStep.QUERY_DATA.value:
                 if stream: