diff --git a/build/release.sh b/build/release.sh
index 861a34035..463c07e92 100644
--- a/build/release.sh
+++ b/build/release.sh
@@ -43,6 +43,7 @@ then
 
   # commit
   git add -A
+  git commit -m "[build] $VERSION"
   npm version $VERSION --message "[release] $VERSION"
 
   # publish
diff --git a/docs/examples-docs/changelog.md b/docs/examples-docs/changelog.md
index 0a011b9fd..25d98d8dc 100644
--- a/docs/examples-docs/changelog.md
+++ b/docs/examples-docs/changelog.md
@@ -1,5 +1,12 @@
 ## 更新日志
 
+## [v0.8.3](https://github.com/youzan/vant/tree/v0.8.3) (2017-08-18)
+[Full Changelog](https://github.com/youzan/vant/compare/v0.8.1...v0.8.3)
+
+**修复:**
+
+- fix: dialog wrong z-index  [\#77](https://github.com/youzan/vant/pull/77) ([chenjiahan](https://github.com/chenjiahan))
+
 ## [v0.8.1](https://github.com/youzan/vant/tree/v0.8.1) (2017-08-18)
 [Full Changelog](https://github.com/youzan/vant/compare/v0.8.0...v0.8.1)
 
diff --git a/packages/index.js b/packages/index.js
index a9d849596..b7ef72447 100644
--- a/packages/index.js
+++ b/packages/index.js
@@ -37,7 +37,7 @@ import Swipe from './swipe';
 import SwipeItem from './swipe-item';
 import DatetimePicker from './datetime-picker';
 
-const version = '0.8.3';
+const version = '0.8.4';
 const components = [
   Button,
   Switch,
diff --git a/packages/vant-css/package.json b/packages/vant-css/package.json
index c732ceeba..93029d11a 100644
--- a/packages/vant-css/package.json
+++ b/packages/vant-css/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vant-css",
-  "version": "0.8.3",
+  "version": "0.8.4",
   "description": "vant css.",
   "main": "lib/index.css",
   "style": "lib/index.css",