diff --git a/pilot/source_embedding/chinese_text_splitter.py b/pilot/source_embedding/chn_document_splitter.py
similarity index 76%
rename from pilot/source_embedding/chinese_text_splitter.py
rename to pilot/source_embedding/chn_document_splitter.py
index 091276af6..090a6af56 100644
--- a/pilot/source_embedding/chinese_text_splitter.py
+++ b/pilot/source_embedding/chn_document_splitter.py
@@ -1,30 +1,29 @@
-from langchain.text_splitter import CharacterTextSplitter
 import re
 from typing import List
-# from configs.model_config import SENTENCE_SIZE
+from langchain.text_splitter import CharacterTextSplitter
 
 
-class ChineseTextSplitter(CharacterTextSplitter):
+class CHNDocumentSplitter(CharacterTextSplitter):
     def __init__(self, pdf: bool = False, sentence_size: int = None, **kwargs):
         super().__init__(**kwargs)
         self.pdf = pdf
         self.sentence_size = sentence_size
 
-    def split_text1(self, text: str) -> List[str]:
-        if self.pdf:
-            text = re.sub(r"\n{3,}", "\n", text)
-            text = re.sub('\s', ' ', text)
-            text = text.replace("\n\n", "")
-        sent_sep_pattern = re.compile('([﹒﹔﹖﹗．。！？]["’”」』]{0,2}|(?=["‘“「『]{1,2}|$))')  # del ：；
-        sent_list = []
-        for ele in sent_sep_pattern.split(text):
-            if sent_sep_pattern.match(ele) and sent_list:
-                sent_list[-1] += ele
-            elif ele:
-                sent_list.append(ele)
-        return sent_list
+    # def split_text_version2(self, text: str) -> List[str]:
+    #     if self.pdf:
+    #         text = re.sub(r"\n{3,}", "\n", text)
+    #         text = re.sub('\s', ' ', text)
+    #         text = text.replace("\n\n", "")
+    #     sent_sep_pattern = re.compile('([﹒﹔﹖﹗．。！？]["’”」』]{0,2}|(?=["‘“「『]{1,2}|$))')  # del ：；
+    #     sent_list = []
+    #     for ele in sent_sep_pattern.split(text):
+    #         if sent_sep_pattern.match(ele) and sent_list:
+    #             sent_list[-1] += ele
+    #         elif ele:
+    #             sent_list.append(ele)
+    #     return sent_list
 
-    def split_text(self, text: str) -> List[str]:   ##此处需要进一步优化逻辑
+    def split_text(self, text: str) -> List[str]:
         if self.pdf:
             text = re.sub(r"\n{3,}", r"\n", text)
             text = re.sub('\s', " ", text)