diff --git a/.gitignore b/.gitignore
index 0d96928..46e76e1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
 .idea
 /data_base
 /knowledge_db
-/.env
\ No newline at end of file
+/.env
diff --git a/docs/sources.txt b/docs/sources.txt
new file mode 100644
index 0000000..a4b9f9b
--- /dev/null
+++ b/docs/sources.txt
@@ -0,0 +1,30 @@
+药理学
+https://zhuanlan.zhihu.com/p/164961617
+https://zhuanlan.zhihu.com/p/165216521
+医疗器械
+http://www.nxgy.gov.cn/zwgk/zfxxgkml/spyp/spypjg3/201708/t20170808_386803.html
+http://www.nxgy.gov.cn/zwgk/zfxxgkml/spyp/spypjg3/201708/t20170808_386804.html
+心内科
+https://www.sohu.com/a/342578283_456057
+癌症
+https://wjw.hunan.gov.cn/wjw/ztzl/knowledge/zthd/jljh/201605/t20160530_4044693.html
+http://www.caca.org.cn/system/2021/04/30/030005405.shtml
+https://www.cancer.org/content/dam/cancer-org/cancer-control/zh/booklets-flyers/what-is-cancer.pdf
+https://blog.dana-farber.org/insight/zh-hans/%E7%99%8C%E7%97%87%E5%92%8C%E8%82%BF%E7%98%A4%E7%9A%84%E5%8C%BA%E5%88%AB/
+眼科
+http://cnszgx.cn/read.asp?ID=86
+https://zhuanlan.zhihu.com/p/359339233
+https://www.sohu.com/a/654565938_120960539
+https://www.sohu.com/a/415154851_487694
+妇产科
+https://www.medsci.cn/article/show_article.do?id=5fbb11600e0a
+https://zhuanlan.zhihu.com/p/267976684
+http://wsjkw.jl.gov.cn/zdzt/jkkp/202108/t20210805_8170018.html
+疾病
+https://hospital.nwu.edu.cn/info/1036/2087.htm
+http://www.ynlf.gov.cn/info/3132/68031.htm
+https://www.kepuchina.cn/qykj/yxqy/201712/t20171208_291650.shtml
+http://jk.anhuinews.com/newjklm/jkdjt/202310/t20231003_7104539.html
+中医体质
+http://www.sdgwlc.com/health_detail/879.html
+https://finance.sina.cn/2021-07-27/detail-ikqciyzk7865390.d.html
\ No newline at end of file
diff --git a/server/api/__pycache__/hello.cpython-39.pyc b/server/api/__pycache__/hello.cpython-39.pyc
index 518a8db..a0a72c3 100644
Binary files a/server/api/__pycache__/hello.cpython-39.pyc and b/server/api/__pycache__/hello.cpython-39.pyc differ
diff --git a/server/service/__pycache__/chain.cpython-39.pyc b/server/service/__pycache__/chain.cpython-39.pyc
index 86e3f6e..eee5df5 100644
Binary files a/server/service/__pycache__/chain.cpython-39.pyc and b/server/service/__pycache__/chain.cpython-39.pyc differ
diff --git a/server/service/__pycache__/load.cpython-39.pyc b/server/service/__pycache__/load.cpython-39.pyc
index c1d3cf4..8a35325 100644
Binary files a/server/service/__pycache__/load.cpython-39.pyc and b/server/service/__pycache__/load.cpython-39.pyc differ
diff --git a/server/service/__pycache__/split.cpython-39.pyc b/server/service/__pycache__/split.cpython-39.pyc
index 536c698..ce4d9ad 100644
Binary files a/server/service/__pycache__/split.cpython-39.pyc and b/server/service/__pycache__/split.cpython-39.pyc differ
diff --git a/server/service/load.py b/server/service/load.py
index bf11b80..c14ab60 100644
--- a/server/service/load.py
+++ b/server/service/load.py
@@ -74,7 +74,7 @@ def load_docs():
 
 
 def load_db(category: str):
-    base_directory = '../../data_base/chroma/'
+    base_directory = '../../data_base/'
     persist_directory = os.path.join(base_directory, category)
     # 定义 Embeddings
     embedding = QianfanEmbeddingsEndpoint(
diff --git a/server/service/persist_cmd.py b/server/service/persist_cmd.py
index 9438e74..a640c4b 100644
--- a/server/service/persist_cmd.py
+++ b/server/service/persist_cmd.py
@@ -1,10 +1,12 @@
 import os
+import time
 
 from langchain_community.embeddings import QianfanEmbeddingsEndpoint
 from langchain_community.vectorstores.chroma import Chroma
 from server.service.split import split_docs
 
 from server.service.load import load_docs
+from dotenv import load_dotenv, find_dotenv
 
 
 def persist_vector_db(category: str, s_docs):
@@ -12,8 +14,9 @@ def persist_vector_db(category: str, s_docs):
     embedding = QianfanEmbeddingsEndpoint(
         streaming=True,
         model="Embedding-V1",
+        chunk_size=16,
     )
-    base_directory = '../../data_base/chroma/'
+    base_directory = '../../data_base/'
     # 定义持久化路径
     persist_directory = os.path.join(base_directory, category)
 
@@ -29,6 +32,9 @@ def persist_vector_db(category: str, s_docs):
 
 
 if __name__ == '__main__':
+    _ = load_dotenv(find_dotenv())
     docs_dict = load_docs()
     for category, docs in docs_dict.items():
+        # if category not in ['Chinese_medicine_physique','device','medicine','cancer','cardiology',]:
+        #     print(docs)
         persist_vector_db(category, docs)