diff --git a/source/_posts/homework.md b/source/_posts/homework.md
index 4cceecf..3ab7988 100644
--- a/source/_posts/homework.md
+++ b/source/_posts/homework.md
@@ -6,34 +6,40 @@ date: 2020-10-30 09:39:53
 tags:
 ---
 
-# 第一次作业
+# 第一次大作业
 
-* [题目](/~zhaozuohong/homework1/)
-* [答案](/~zhaozuohong/answer1)
+* [题目](/~zhaozuohong/big-homework1/)
+* [答案](/~zhaozuohong/big-answer1/)
+* [实验报告模板（ $\rm \LaTeX$ )](/~zhaozuohong/template1/)
 
-# 第二次作业
+# 第五次作业
 
-* [题目](/~zhaozuohong/homework2/)
-* [答案](/~zhaozuohong/answer2)
+* [题目](/~zhaozuohong/homework5/)
+* [答案](/~zhaozuohong/answer5/)
+* [讲解](/~zhaozuohong/resources/Experiment5.pdf)
+
+# 第四次作业
+
+* [题目](/~zhaozuohong/homework4/)
+* [答案](/~zhaozuohong/answer4/)
+* [讲解](/~zhaozuohong/resources/Experiment4.pdf)
 
 # 第三次作业
 
 * [题目](/~zhaozuohong/homework3/)
 * [答案](/~zhaozuohong/answer3)
 * [测试数据](/~zhaozuohong/test3)
+* [讲解](/~zhaozuohong/resources/Experiment3.pdf)
 
-# 第四次作业
+# 第二次作业
 
-* [题目](/~zhaozuohong/homework4/)
-* [答案](/~zhaozuohong/answer4/)
+* [题目](/~zhaozuohong/homework2/)
+* [答案](/~zhaozuohong/answer2)
+* [讲解](/~zhaozuohong/resources/Experiment2.pptx)
 
-# 第五次作业
+# 第一次作业
 
-* [题目](/~zhaozuohong/homework5/)
-* [答案](/~zhaozuohong/answer5/)
-
-# 第一次大作业
-
-* [题目](/~zhaozuohong/big-homework1/)
-* [答案](/~zhaozuohong/big-answer1/)
-* [实验报告模板（ $\rm \LaTeX$ )](/~zhaozuohong/template1/)
+* [题目](/~zhaozuohong/homework1/)
+* [答案](/~zhaozuohong/answer1)
+* [讲解](/~zhaozuohong/resources/Experiment1.pptx)
+* 
\ No newline at end of file