diff --git a/src/chat/knowledge/qa_manager.py b/src/chat/knowledge/qa_manager.py
index 1a087a7f..c3def2ed 100644
--- a/src/chat/knowledge/qa_manager.py
+++ b/src/chat/knowledge/qa_manager.py
@@ -22,7 +22,6 @@ class QAManager:
     ):
         self.embed_manager = embed_manager
         self.kg_manager = kg_manager
-        self.qa_model = LLMRequest(model_set=model_config.model_task_config.lpmm_qa, request_type="lpmm.qa")
 
     async def process_query(
         self, question: str
diff --git a/src/config/api_ada_configs.py b/src/config/api_ada_configs.py
index a5d5f059..a74728c0 100644
--- a/src/config/api_ada_configs.py
+++ b/src/config/api_ada_configs.py
@@ -132,9 +132,6 @@ class ModelTaskConfig(ConfigBase):
     lpmm_rdf_build: TaskConfig
     """LPMM RDF构建模型配置"""
 
-    lpmm_qa: TaskConfig
-    """LPMM问答模型配置"""
-
     def get_task(self, task_name: str) -> TaskConfig:
         """获取指定任务的配置"""
         if hasattr(self, task_name):
diff --git a/src/hippo_memorizer/chat_history_summarizer.py b/src/hippo_memorizer/chat_history_summarizer.py
index fddd2100..12952b08 100644
--- a/src/hippo_memorizer/chat_history_summarizer.py
+++ b/src/hippo_memorizer/chat_history_summarizer.py
@@ -848,11 +848,7 @@ class ChatHistorySummarizer:
         )
 
         try:
-            response, _ = await self.summarizer_llm.generate_response_async(
-                prompt=prompt,
-                temperature=0.3,
-                max_tokens=500,
-            )
+            response, _ = await self.summarizer_llm.generate_response_async(prompt=prompt)
 
             # 解析JSON响应
             json_str = response.strip()
diff --git a/template/model_config_template.toml b/template/model_config_template.toml
index 669488f6..27b78df5 100644
--- a/template/model_config_template.toml
+++ b/template/model_config_template.toml
@@ -191,10 +191,4 @@ slow_threshold = 20.0
 model_list = ["siliconflow-deepseek-v3.2"]
 temperature = 0.2
 max_tokens = 800
-slow_threshold = 20.0
-
-[model_task_config.lpmm_qa] # 问答模型
-model_list = ["siliconflow-deepseek-v3.2"]
-temperature = 0.7
-max_tokens = 800
-slow_threshold = 20.0
+slow_threshold = 20.0
\ No newline at end of file