diff --git a/README.md b/README.md
index 8d41b73c..953a0492 100644
--- a/README.md
+++ b/README.md
@@ -148,7 +148,7 @@ $ python startup.py -a
 [![Telegram](https://img.shields.io/badge/Telegram-2CA5E0?style=for-the-badge&logo=telegram&logoColor=white "langchain-chatglm")](https://t.me/+RjliQ3jnJ1YyN2E9)
 
 ### 项目交流群
-<img src="img/qr_code_82.jpg" alt="二维码" width="300" />
+<img src="img/qr_code_83.jpg" alt="二维码" width="300" />
 
 🎉 Langchain-Chatchat 项目微信交流群，如果你也对本项目感兴趣，欢迎加入群聊参与讨论交流。
 
diff --git a/configs/kb_config.py.example b/configs/kb_config.py.example
index cf9b3e68..f1b5d1a0 100644
--- a/configs/kb_config.py.example
+++ b/configs/kb_config.py.example
@@ -105,6 +105,10 @@ kbs_config = {
         "index_name": "test_index",
         "user": "",
         "password": ""
+    },
+    "milvus_kwargs":{
+        "search_params":{"metric_type": "L2"}, #在此处增加search_params
+        "index_params":{"metric_type": "L2","index_type": "HNSW"} # 在此处增加index_params
     }
 }
 
diff --git a/img/qr_code_83.jpg b/img/qr_code_83.jpg
new file mode 100644
index 00000000..bfde76ad
Binary files /dev/null and b/img/qr_code_83.jpg differ
diff --git a/server/knowledge_base/utils.py b/server/knowledge_base/utils.py
index 7fced47d..85d0f0c5 100644
--- a/server/knowledge_base/utils.py
+++ b/server/knowledge_base/utils.py
@@ -258,7 +258,7 @@ def make_text_splitter(
         print(e)
         text_splitter_module = importlib.import_module('langchain.text_splitter')
         TextSplitter = getattr(text_splitter_module, "RecursiveCharacterTextSplitter")
-        text_splitter = TextSplitter(chunk_size=250, chunk_overlap=50)
+        text_splitter = TextSplitter(chunk_size=chunk_size, chunk_overlap=chunk_overlap)
     return text_splitter