fix agent config bug.

rootfs/agents/Jarvis/agent.toml

@@ -2,7 +2,7 @@ instance_id = "Jarvis"
 fullname = "Jarvis"
 max_token = 4000
 #timeout = 1800
-model_name = "gpt-4-turbo-preview"
+model_name = "default"
 #enable_kb = "true"
 enable_timestamp = "true"
 enable_json_resp = "true"
@@ -36,6 +36,7 @@ update_knowledge_graph($op_name,$params)
 
 [behavior.on_message]
 type="AgentMessageProcess"
+model_name="swift_llm"
 mutil_model="gpt-4-vision-preview"
 asr_model="openai-whisper"
 tts_model="tts-1"