diff --git a/3.编程思维体系构建/3.6.5.1CS61A Sec1.md b/3.编程思维体系构建/3.6.5.1CS61A Sec1.md
index abb9523..c668860 100644
--- a/3.编程思维体系构建/3.6.5.1CS61A Sec1.md	
+++ b/3.编程思维体系构建/3.6.5.1CS61A Sec1.md	
@@ -422,5 +422,5 @@ None
 如果被题目卡住了，那就再去看看食用指南吧！😋
 
 ::: tip 📥
-本小节课后作业下载 <Download url="code/HW 01.zip"/>
+本小节课后作业下载 <Download url="https://cdn.xyxsw.site/code/HW 01.zip"/>
 :::