diff --git a/README.md b/README.md
index 2c7928f..2237183 100644
--- a/README.md
+++ b/README.md
@@ -15,4 +15,10 @@
 * UICollectionView
 * UIScrollView
 
-> 实现：无限循环轮播图
\ No newline at end of file
+> 实现：无限循环轮播图
+
+##12.8
+* UINavigationBar
+* UITabBar
+
+> 实现：低配HduIn负一界面
\ No newline at end of file