diff --git a/app/api/search.py b/app/api/search.py
index 8e00abe..7e1d405 100644
--- a/app/api/search.py
+++ b/app/api/search.py
@@ -49,7 +49,7 @@ def search_docs(request: QueryRequest, user_id: str = Query(..., description="
         logger.info("Storage context created successfully.")
 
         # 创建 ServiceContext 实例，确保使用本地嵌入模型，且明确禁用 LLM
-        service_context = ServiceContext.from_defaults(embed_model=embedder, llm=None)
+        service_context = ServiceContext.from_defaults(embed_model=embedder, llm=None, llm_predictor=None)
         logger.info("Service context created successfully.")
 
         # 使用 load_index_from_storage 加载索引