diff --git a/antdv-demo b/antdv-demo
index 43f89955b..1cf8913c4 160000
--- a/antdv-demo
+++ b/antdv-demo
@@ -1 +1 @@
-Subproject commit 43f89955b59abfd51bdfd4d9dcbc3b4fc4c481b0
+Subproject commit 1cf8913c4b662bc2bda8ec44734e445ec370cc60
diff --git a/breakChange-2.x.md b/breakChange-2.x.md
index 4e3d50b2e..57c7536b4 100644
--- a/breakChange-2.x.md
+++ b/breakChange-2.x.md
@@ -2,6 +2,12 @@
 
 ## global api
 
+所有 dom 原生属性由驼峰改成全小写，涉及 API
+
+####
+
+maxLength -> maxlength tabIndex => tabindex readOnly => readonly autoComplete => autocomplete
+
 ## Tag
 
 ### CheckableTag