diff --git a/app/lingma_client.py b/app/lingma_client.py
index 4b3f41c..e50631d 100644
--- a/app/lingma_client.py
+++ b/app/lingma_client.py
@@ -971,7 +971,10 @@ class LingmaGatewayClient:
             },
         }
         if tool_config is not None:
-            payload["toolConfig"] = tool_config
+            if "tools" in tool_config and tool_config["tools"]:
+                payload["tools"] = tool_config["tools"]
+            if "tool_choice" in tool_config and tool_config["tool_choice"]:
+                payload["tool_choice"] = tool_config["tool_choice"]
         logger.info(
             "lingma payload request_id=%s session_id=%s mode=%s tool_config=%s",
             request_id,