diff --git a/RAGSDK/MainRepo/Samples/RagDemo/fastapi_multi_demo/fastapi_multithread.py b/RAGSDK/MainRepo/Samples/RagDemo/fastapi_multi_demo/fastapi_multithread.py
index 4025ac30668206ae855c52e855b5d6830190ddf7..ed0350225869b072ed6aec22c81aff5c36c94e8f 100644
--- a/RAGSDK/MainRepo/Samples/RagDemo/fastapi_multi_demo/fastapi_multithread.py
+++ b/RAGSDK/MainRepo/Samples/RagDemo/fastapi_multi_demo/fastapi_multithread.py
@@ -5,6 +5,7 @@ from concurrent.futures import ThreadPoolExecutor
 from typing import Optional
 from pathlib import Path
 from fastapi import FastAPI, HTTPException
+from paddle.base import libpaddle
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from mx_rag.chain import SingleText2TextChain
 from mx_rag.document import LoaderMng
@@ -21,7 +22,6 @@ from mx_rag.retrievers import Retriever
 from mx_rag.storage.document_store import SQLiteDocstore
 from mx_rag.storage.vectorstore import MindFAISS
 from mx_rag.utils import ClientParam
-from paddle.base import libpaddle
 
 
 
diff --git a/RAGSDK/MainRepo/Samples/RagDemo/rag_demo_knowledge.py b/RAGSDK/MainRepo/Samples/RagDemo/rag_demo_knowledge.py
index 021ff870b074405a625eaba2a3e82f510c544653..0b6180073a48cc13f28945894fe945470ac4205f 100644
--- a/RAGSDK/MainRepo/Samples/RagDemo/rag_demo_knowledge.py
+++ b/RAGSDK/MainRepo/Samples/RagDemo/rag_demo_knowledge.py
@@ -5,19 +5,19 @@ import argparse
 import threading
 import traceback
 from loguru import logger
+from paddle.base import libpaddle
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain_community.document_loaders import TextLoader
-from mx_rag.document import LoaderMng
-from mx_rag.document.loader import DocxLoader, PdfLoader
 from mx_rag.embedding.local import TextEmbedding
 from mx_rag.embedding.service import TEIEmbedding
+from mx_rag.document import LoaderMng
+from mx_rag.document.loader import DocxLoader, PdfLoader
 from mx_rag.knowledge import KnowledgeDB
 from mx_rag.knowledge.handler import upload_files
 from mx_rag.knowledge.knowledge import KnowledgeStore
 from mx_rag.storage.document_store import SQLiteDocstore
 from mx_rag.storage.vectorstore import MindFAISS
 from mx_rag.utils import ClientParam
-from paddle.base import libpaddle
 
 
 class CustomFormatter(argparse.ArgumentDefaultsHelpFormatter):
diff --git a/RAGSDK/MainRepo/langgraph/langgraph_demo.py b/RAGSDK/MainRepo/langgraph/langgraph_demo.py
index 6baf1d30769541300d732a8383202170b2aebde9..26eda87ada019e3fe571aca0dcedfd362cd25414 100644
--- a/RAGSDK/MainRepo/langgraph/langgraph_demo.py
+++ b/RAGSDK/MainRepo/langgraph/langgraph_demo.py
@@ -6,10 +6,10 @@ from langchain_core.documents import Document
 from langchain_core.prompts import PromptTemplate
 from langchain_core.retrievers import BaseRetriever
 from loguru import logger
+from paddle.base import libpaddle
 from mx_rag.llm import LLMParameterConfig
 from mx_rag.storage.vectorstore import MindFAISS
 from mx_rag.utils import ClientParam
-from paddle.base import libpaddle
 
 
 def evaluate_creator(evaluator, evaluate_type: str):
diff --git a/RAGSDK/PocValidation/rag_recursive_tree_demo.py b/RAGSDK/PocValidation/rag_recursive_tree_demo.py
index 88f28d1a56a7cf45c98a0cd4c50e4e037c236c0c..1df5b290d9151f43f4a3a211ee3ece96335811f8 100644
--- a/RAGSDK/PocValidation/rag_recursive_tree_demo.py
+++ b/RAGSDK/PocValidation/rag_recursive_tree_demo.py
@@ -4,6 +4,7 @@
 import argparse
 from loguru import logger
 from langchain.text_splitter import RecursiveCharacterTextSplitter
+from paddle.base import libpaddle
 from mx_rag.document import LoaderMng
 from mx_rag.document.loader import DocxLoader, PdfLoader
 from mx_rag.embedding.local import TextEmbedding
@@ -14,7 +15,6 @@ from mx_rag.recursive_tree import TreeBuilderConfig, TreeRetrieverConfig, TreeRe
 from mx_rag.recursive_tree.tree_structures import save_tree
 from mx_rag.storage.document_store import SQLiteDocstore
 from mx_rag.utils import ClientParam
-from paddle.base import libpaddle
 from transformers import AutoTokenizer