diff --git a/w5/Main.java b/w4/Main.java
similarity index 100%
rename from w5/Main.java
rename to w4/Main.java
diff --git a/w5/反思.txt b/w4/反思.txt
similarity index 100%
rename from w5/反思.txt
rename to w4/反思.txt
diff --git a/w5/实验报告.txt b/w4/实验报告.txt
similarity index 100%
rename from w5/实验报告.txt
rename to w4/实验报告.txt
diff --git a/w5/类图.png b/w4/类图.png
similarity index 100%
rename from w5/类图.png
rename to w4/类图.png
diff --git a/w5/运行成功截图.png b/w4/运行成功截图.png
similarity index 100%
rename from w5/运行成功截图.png
rename to w4/运行成功截图.png