diff --git a/README.md b/README.md
index 701d2c374aba19c024543ff477916ea50179a0d2..9f69f486db385aefb747c16796153e9506b23d5b 100644
--- a/README.md
+++ b/README.md
@@ -71,7 +71,7 @@ $ make
 
 - 将*.bin通过TFTP服务器烧写到开发板，跳转启动
 
-![hello world](https://images.gitee.com/uploads/images/2021/0707/170359_b847c982_8736513.png "hello world.png")
+![输入图片说明](https://images.gitee.com/uploads/images/2021/0709/150949_98bdb9cf_8736513.png "屏幕截图.png")
 
 ## 参考资料