diff --git a/docs/README_CN.md b/docs/README_CN.md
index 77c2e74..da50229 100644
--- a/docs/README_CN.md
+++ b/docs/README_CN.md
@@ -10,6 +10,8 @@
 
 [![Python 3.8](https://img.shields.io/badge/python-3.8-yellow.svg)](https://www.python.org/downloads/release/python-380/) [![PaddlePaddle 2.2](https://img.shields.io/badge/paddlepaddle-2.2+-blue.svg)](https://www.paddlepaddle.org.cn/install/quick?docurl=/documentation/docs/zh/install/pip/windows-pip.html) [![QGIS 3.16.11](https://img.shields.io/badge/qgis-3.16.11+-green.svg)](https://www.qgis.org/) ![license](https://img.shields.io/github/license/deepbands/buildseg) ![release](https://img.shields.io/badge/release-v0.1-red.svg)
 
+buildseg是一个基于PaddlePaddle的用于建筑提取的QGIS插件，使用PaddleSeg提供的语义分割能力，可以对大片区域进行分块提取并拼接。
+
 ![bs001](https://user-images.githubusercontent.com/71769312/145813120-b1f20a02-94da-436d-b8ec-d523bcccb720.gif)
 
 ## 如何使用