diff --git a/chains/local_doc_qa.py b/chains/local_doc_qa.py
index da83da7..02e0958 100644
--- a/chains/local_doc_qa.py
+++ b/chains/local_doc_qa.py
@@ -10,6 +10,7 @@ from langchain.docstore.document import Document
 import numpy as np
 from utils import torch_gc
 from tqdm import tqdm
+from pypinyin import lazy_pinyin
 
 
 DEVICE_ = EMBEDDING_DEVICE
@@ -76,14 +77,14 @@ def similarity_search_with_score_by_vector(
         doc = self.docstore.search(_id)
         id_set.add(i)
         docs_len = len(doc.page_content)
-        for k in range(1, max(i, store_len-i)):
+        for k in range(1, max(i, store_len - i)):
             break_flag = False
             for l in [i + k, i - k]:
                 if 0 <= l < len(self.index_to_docstore_id):
                     _id0 = self.index_to_docstore_id[l]
                     doc0 = self.docstore.search(_id0)
                     if docs_len + len(doc0.page_content) > self.chunk_size:
-                        break_flag=True
+                        break_flag = True
                         break
                     elif doc0.metadata["source"] == doc.metadata["source"]:
                         docs_len += len(doc0.page_content)
@@ -166,7 +167,7 @@ class LocalDocQA:
                 if len(failed_files) > 0:
                     print("以下文件未能成功加载：")
                     for file in failed_files:
-                        print(file,end="\n")
+                        print(file, end="\n")
 
         else:
             docs = []
@@ -187,7 +188,7 @@ class LocalDocQA:
             else:
                 if not vs_path:
                     vs_path = os.path.join(VS_ROOT_PATH,
-                                           f"""{os.path.splitext(file)[0]}_FAISS_{datetime.datetime.now().strftime("%Y%m%d_%H%M%S")}""")
+                                           f"""{"".join(lazy_pinyin(os.path.splitext(file)[0]))}_FAISS_{datetime.datetime.now().strftime("%Y%m%d_%H%M%S")}""")
                 vector_store = FAISS.from_documents(docs, self.embeddings)
                 torch_gc()
 
diff --git a/requirements.txt b/requirements.txt
index 56ccfd8..1efce0f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,4 +13,5 @@ gradio==3.28.3
 fastapi
 uvicorn
 peft
+pypinyin
 #detectron2@git+https://github.com/facebookresearch/detectron2.git@v0.6#egg=detectron2