diff --git a/README.md b/README.md
index 1b4b25e..c7d52ab 100644
--- a/README.md
+++ b/README.md
@@ -17,3 +17,7 @@
 MPR121调参库使用了@ilufang的MPR121库
 
 其余方面想到再补充（
+
+
+PCB1.1更新，修复几个错误
+新上传一个钣金外壳，CAD零件待补充