diff --git a/README.md b/README.md
index cdc1aee..1f2f30d 100644
--- a/README.md
+++ b/README.md
@@ -24,4 +24,9 @@
 ##11.17
 * UINavigationController
 
-> 实现：利用导航栏的push操作实现controller之间的跳转
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+> 实现：利用导航栏的push操作实现controller之间的跳转
+
+##12.1
+* UIScrollView
+
+> 实现：使用三张图片实现循环轮播图
\ No newline at end of file