diff --git a/server/routers/chat_router.py b/server/routers/chat_router.py
index 9c5fb82d..9902da60 100644
--- a/server/routers/chat_router.py
+++ b/server/routers/chat_router.py
@@ -129,21 +129,6 @@ async def call(query: str = Body(...), meta: dict = Body(None)):
 
     return {"response": response.content}
 
-@chat.post("/call_lite")
-async def call_lite(query: str = Body(...), meta: dict = Body(None)):
-    meta = meta or {}
-    async def predict_async(query):
-        loop = asyncio.get_event_loop()
-        model_provider = meta.get("model_provider", config.model_provider_lite)
-        model_name = meta.get("model_name", config.model_name_lite)
-        model = select_model(model_provider=model_provider, model_name=model_name)
-        return await loop.run_in_executor(executor, model.predict, query)
-
-    response = await predict_async(query)
-    logger.debug({"query": query, "response": response.content})
-
-    return {"response": response.content}
-
 @chat.get("/agent")
 async def get_agent():
     agents = [agent.get_info() for agent in agent_manager.agents.values()]
diff --git a/src/config/__init__.py b/src/config/__init__.py
index c44df254..b3ff8125 100644
--- a/src/config/__init__.py
+++ b/src/config/__init__.py
@@ -51,9 +51,7 @@ class Config(SimpleConfig):
         ## 注意这里是模型名，而不是具体的模型路径，默认使用 HuggingFace 的路径
         ## 如果需要自定义本地模型路径，则在 src/.env 中配置 MODEL_DIR
         self.add_item("model_provider", default="siliconflow", des="模型提供商", choices=list(self.model_names.keys()))
-        self.add_item("model_provider_lite", default="siliconflow", des="模型提供商（用于轻量任务）", choices=list(self.model_names.keys()))
         self.add_item("model_name", default="Qwen/Qwen2.5-7B-Instruct", des="模型名称")
-        self.add_item("model_name_lite", default="Qwen/Qwen2.5-7B-Instruct", des="模型名称（用于轻量任务）")
 
         self.add_item("embed_model", default="siliconflow/BAAI/bge-m3", des="Embedding 模型", choices=list(self.embed_model_names.keys()))
         self.add_item("reranker", default="siliconflow/BAAI/bge-reranker-v2-m3", des="Re-Ranker 模型", choices=list(self.reranker_names.keys()))
diff --git a/src/core/retriever.py b/src/core/retriever.py
index 89b4b873..af800ef2 100644
--- a/src/core/retriever.py
+++ b/src/core/retriever.py
@@ -136,8 +136,8 @@ class Retriever:
 
     def rewrite_query(self, query, history, refs):
         """重写查询"""
-        model_provider = config.model_provider_lite
-        model_name = config.model_name_lite
+        model_provider = config.model_provider
+        model_name = config.model_name
         model = select_model(model_provider=model_provider, model_name=model_name)
         if refs["meta"].get("mode") == "search":  # 如果是搜索模式，就使用 meta 的配置，否则就使用全局的配置
             rewrite_query_span = refs["meta"].get("use_rewrite_query", "off")
@@ -162,8 +162,8 @@ class Retriever:
     def reco_entities(self, query, history, refs):
         """识别句子中的实体"""
         query = refs.get("rewritten_query", query)
-        model_provider = config.model_provider_lite
-        model_name = config.model_name_lite
+        model_provider = config.model_provider
+        model_name = config.model_name
         model = select_model(model_provider=model_provider, model_name=model_name)
 
         entities = []