diff --git a/README.md b/README.md
index ceae7b0..9c5f3da 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ B站视频地址：https://www.bilibili.com/video/BV1Wv411h7kN#reply4197445138
 
 ![Alt text](https://github.com/Fafa-DL/Lhy_Machine_Learning/blob/main/Assignment%20Schedule.png)
 
-![Alt text](https://github.com/Fafa-DL/Lhy_Machine_Learning/blob/main/HW.png)
+![Alt text](https://github.com/Fafa-DL/Lhy_Machine_Learning/blob/main/HW.jpg)
 第一节 Introduction  作业 HW1: Regression
 
 第二节 Deep Learning  作业 HW2: Classification