diff --git a/README.md b/README.md
index 3db68e2..29e1c22 100644
--- a/README.md
+++ b/README.md
@@ -15,8 +15,9 @@ https://gitee.com/myperworld/wrobot
 B站演示地址：
 https://www.bilibili.com/video/BV13mb5zUEk8/
 
-世博轮足硬件和软件：
+世博轮足硬件和软件购买：
 https://www.goofish.com/item?id=855415907884&categoryId=50023914
 
 esp32遥控器：
+通过遥控器比通过网页websocket模式，小车稳定性高出很多，而且还特别省电。
 https://www.goofish.com/item?id=675331522207&categoryId=50023914