diff --git a/README.md b/README.md
index 5a863e4..839277f 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,17 @@
-# robot
\ No newline at end of file
+# 巡线 & 蓝牙控制机器人
+
+## 功能
+1. 蓝牙实时控制
+2. 自动巡线
+
+
+## 目录结构
+
+### core 
+主要实现代码（包括客户端和服务端）。
+
+### raspberrypi l298n hc-02 
+相关硬件文档与测试
+
+### SerialRW 
+Windows 下串口通信工具
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