diff --git a/scripts/rag_build_query.py b/scripts/rag_build_query.py
index a329741..1afd1f4 100644
--- a/scripts/rag_build_query.py
+++ b/scripts/rag_build_query.py
@@ -9,6 +9,7 @@ from llama_index.vector_stores.faiss import FaissVectorStore
 from app.core.config import settings  # 导入应用配置
 from scripts.permissions import get_user_allowed_indexes  # 导入权限函数，管理用户索引
 import numpy as np
+from llama_index.core import Node
 
 
 USER_INDEX_PATH = "index_data"  # 用户索引存储路径