diff --git a/scripts/rag_build_query.py b/scripts/rag_build_query.py
index 4ade395..e412629 100644
--- a/scripts/rag_build_query.py
+++ b/scripts/rag_build_query.py
@@ -3,7 +3,7 @@ from typing import List  # 导入 List 用于类型注解
 import os
 import logging
 import faiss
-from llama_index import SimpleDirectoryReader, VectorStoreIndex, ServiceContext, StorageContext, load_index_from_storage
+from llama_index import SimpleDirectoryReader, VectorStoreIndex, ServiceContext, StorageContext, load_index_from_storage, Settings
 from llama_index.embeddings.huggingface import HuggingFaceEmbedding
 from llama_index.vector_stores.faiss import FaissVectorStore
 from app.core.config import settings  # 导入应用配置
@@ -135,6 +135,9 @@ def build_user_index(user_id: str):
     )
 
     try:
+        # 禁用 LLM
+        Settings.llm = None
+
         # 构建索引，并使用 `storage_context.persist()` 方法保存索引
         index = VectorStoreIndex.from_documents(
             documents,