diff --git a/dsSchoolBuddy/ElasticSearch/T2_BgeM3.py b/dsSchoolBuddy/ElasticSearch/T2_BgeM3.py
index 725ea5f8..2d79e644 100644
--- a/dsSchoolBuddy/ElasticSearch/T2_BgeM3.py
+++ b/dsSchoolBuddy/ElasticSearch/T2_BgeM3.py
@@ -1,10 +1,10 @@
-from langchain_community.document_loaders import PyPDFLoader
-from langchain_text_splitters import RecursiveCharacterTextSplitter
-from langchain_openai import OpenAIEmbeddings
-from langchain_core.vectorstores import InMemoryVectorStore
-from langchain_core.documents import Document
 import os
 
+from langchain_core.documents import Document
+from langchain_core.vectorstores import InMemoryVectorStore
+from langchain_openai import OpenAIEmbeddings
+from langchain_text_splitters import RecursiveCharacterTextSplitter
+
 from Config.Config import EMBED_MODEL_NAME, EMBED_BASE_URL, EMBED_API_KEY
 
 # 设置环境变量