.

app/api/search.py

@@ -48,7 +48,7 @@ def search_docs(request: QueryRequest, user_id: str = Query(..., description="
         storage_context = StorageContext.from_defaults(persist_dir=index_path, vector_store=vector_store)
         logger.info("Storage context created successfully.")
 
-        # 创建 ServiceContext 实例
+        # 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)
         logger.info("Service context created successfully.")
 
@@ -61,7 +61,7 @@ def search_docs(request: QueryRequest, user_id: str = Query(..., description="
         logger.info(f"Generated query embedding: {query_vector}")
 
         # 使用 VectorStoreIndex 创建查询引擎
-        query_engine = index.as_query_engine()
+        query_engine = index.as_query_engine(service_context=service_context)
         logger.info(f"Query engine created successfully.")
 
         # 执行查询