docs(changelog): v.2.12.13

docs/markdown/changelog.en-US.md

@@ -16,6 +16,14 @@ Vant follows [Semantic Versioning 2.0.0](https://semver.org/lang/zh-CN/).
 
 ## Details
 
+### [v2.12.13](https://github.com/youzan/vant/compare/v2.12.12...v2.12.13)
+
+`2021-04-11`
+
+**Feature**
+
+- Sticky: add change event [#8479](https://github.com/youzan/vant/issues/8479)
+
 ### [v2.12.12](https://github.com/youzan/vant/compare/v2.12.11...v2.12.12)
 
 `2021-04-05`

docs/markdown/changelog.zh-CN.md

@@ -16,6 +16,14 @@ Vant 遵循 [Semver](https://semver.org/lang/zh-CN/) 语义化版本规范。
 
 ## 更新内容
 
+### [v2.12.13](https://github.com/youzan/vant/compare/v2.12.12...v2.12.13)
+
+`2021-04-11`
+
+**Feature**
+
+- Sticky: 新增 change 事件 [#8479](https://github.com/youzan/vant/issues/8479)
+
 ### [v2.12.12](https://github.com/youzan/vant/compare/v2.12.11...v2.12.12)
 
 `2021-04-05`

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vant",
-  "version": "2.12.12",
+  "version": "2.12.13",
   "description": "Mobile UI Components built on Vue",
   "main": "lib/index.js",
   "module": "es/index.js",

vant.config.js

@@ -26,7 +26,7 @@ module.exports = {
     locales: {
       'zh-CN': {
         title: 'Vant',
-        description: '轻量、可靠的移动端 Vue 组件库',
+        description: '轻量、可靠的移动端组件库',
         logo: 'https://img01.yzcdn.cn/vant/logo.png',
         langLabel: '中文',
         links: [