From beba89cc0ac9c5a0606c424d810ee154a5f30d8a Mon Sep 17 00:00:00 2001
From: Stream <Stream_2@qq.com>
Date: Mon, 2 Feb 2026 16:39:50 +0800
Subject: [PATCH] chore: better debug message

---
 api/core/agent/patterns/function_call.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/api/core/agent/patterns/function_call.py b/api/core/agent/patterns/function_call.py
index 4dd3fc2585..14e1f75534 100644
--- a/api/core/agent/patterns/function_call.py
+++ b/api/core/agent/patterns/function_call.py
@@ -175,7 +175,7 @@ class FunctionCallStrategy(AgentPattern):
         elif isinstance(output_text, str):
             output_payload = output_text
         else:
-            raise ValueError("Final output is not a string or structured data.")
+            raise ValueError(f"Final output ({final_tool_args}) is not a string or structured data.")
 
         return AgentResult(
             output=output_payload,