diff --git a/README.md b/README.md
index 93daa1c..0764f56 100644
--- a/README.md
+++ b/README.md
@@ -1,20 +1,22 @@
 <div align="center">
-  <img src="https://github.com/RapidAI/LabelConvert/releases/download/v0/LabelConvertv3.png" width="55%" height="55%"/>
-</div>
+  <div align="center">
+    <img src="https://github.com/RapidAI/LabelConvert/releases/download/v0/LabelConvertv3.png" width="55%" height="55%"/>
+  </div>
+  <br/>
+
+  <a href=""><img src="https://img.shields.io/badge/Python->=3.6,<3.12-aff.svg"></a>
+  <a href=""><img src="https://img.shields.io/badge/OS-Linux%2C%20Win%2C%20Mac-pink.svg"></a>
+  <a href="https://github.com/RapidAI/LabelConvert/graphs/contributors"><img src="https://img.shields.io/github/contributors/RapidAI/LabelConvert?color=9ea"></a>
+  <a href="https://github.com/RapidAI/LabelConvert/stargazers"><img src="https://img.shields.io/github/stars/RapidAI/LabelConvert?color=ccf" ></a>
+  <a href="https://pepy.tech/project/label_convert"><img src="https://static.pepy.tech/badge/label_convert?period=total&units=abbreviation&left_color=grey&right_color=blue&left_text=Downloads"></a>
+  <a href="https://pypi.org/project/label_convert/"><img alt="PyPI" src="https://img.shields.io/pypi/v/label_convert"></a>
+  <a href="https://choosealicense.com/licenses/apache-2.0/"><img src="https://img.shields.io/badge/License-Apache%202-dfd.svg"></a>
+  <a href="https://semver.org/"><img alt="SemVer2.0" src="https://img.shields.io/badge/SemVer-2.0-brightgreen"></a>
+  <a href="https://github.com/psf/black"><img src="https://img.shields.io/badge/code%20style-black-000000.svg"></a>
 
-## Label Convert
+</div>
 
-<p align="left">
-    <a href=""><img src="https://img.shields.io/badge/Python->=3.6,<3.12-aff.svg"></a>
-    <a href=""><img src="https://img.shields.io/badge/OS-Linux%2C%20Win%2C%20Mac-pink.svg"></a>
-    <a href="https://github.com/RapidAI/LabelConvert/graphs/contributors"><img src="https://img.shields.io/github/contributors/RapidAI/LabelConvert?color=9ea"></a>
-    <a href="https://github.com/RapidAI/LabelConvert/stargazers"><img src="https://img.shields.io/github/stars/RapidAI/LabelConvert?color=ccf" ></a>
-    <a href="https://pepy.tech/project/label_convert"><img src="https://static.pepy.tech/badge/label_convert?period=total&units=abbreviation&left_color=grey&right_color=blue&left_text=Downloads"></a>
-    <a href="https://pypi.org/project/label_convert/"><img alt="PyPI" src="https://img.shields.io/pypi/v/label_convert"></a>
-    <a href="https://choosealicense.com/licenses/apache-2.0/"><img src="https://img.shields.io/badge/License-Apache%202-dfd.svg"></a>
-    <a href="https://semver.org/"><img alt="SemVer2.0" src="https://img.shields.io/badge/SemVer-2.0-brightgreen"></a>
-    <a href="https://github.com/psf/black"><img src="https://img.shields.io/badge/code%20style-black-000000.svg"></a>
-</p>
+## Introduction
 
 A dataset format conversion tool for object detection and image segmentation, which supports mutual conversion between **labelme, labelImg tools and YOLO, VOC, and COCO** dataset formats.
 
@@ -38,8 +40,7 @@ pip install label_convert
 ```
 
 ## Documentation
-Full documentation can be found on [docs](https://rapidai.github.io/LabelConvert/docs).
-
+Full documentation can be found on [docs](https://rapidai.github.io/LabelConvert/docs) in Chinese.
 
 ## Contributing
 Pull requests are welcome. For major changes, please open an issue first
diff --git a/requirements.txt b/requirements.txt
index 619f011..3623128 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 opencv_python
 tqdm
-numpy
\ No newline at end of file
+numpy
+PyYAML
\ No newline at end of file