diff --git a/CHANGELOG.en-US.md b/CHANGELOG.en-US.md
index 148532443..6213cc9c4 100644
--- a/CHANGELOG.en-US.md
+++ b/CHANGELOG.en-US.md
@@ -1,5 +1,12 @@
 ## Changelog
 
+### 1.4.9
+
+*2017-11-01*
+
+- Fixed Form validating not triggered correctly in some conditions, #7744
+- Fixed range selection of DatePicker not working in Chromium 53-57 browsers, #7927
+
 ### 1.4.8
 
 *2017-10-24*
diff --git a/CHANGELOG.zh-CN.md b/CHANGELOG.zh-CN.md
index ee2695717..f43c5d031 100644
--- a/CHANGELOG.zh-CN.md
+++ b/CHANGELOG.zh-CN.md
@@ -1,5 +1,11 @@
 ## 更新日志
 
+### 1.4.9
+*2017-11-01*
+
+- 修复某些情况下 Form 验证没有正确触发的问题，#7744
+- 修复 DatePicker 的范围选择在内核为 Chromium 53-57 的浏览器中无法使用的问题，#7927
+
 ### 1.4.8
 *2017-10-24*