[+] update changelog

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Change Log
 
+## 0.6.6
+- [!] Fixed the padding undefined bug for [wxc-tab-page](https://alibaba.github.io/weex-ui/#/packages/wxc-tab-page/)   [issue/320](https://github.com/alibaba/weex-ui/issues/320)
+- [!] Fixed the standOut Value bug for [wxc-popup](https://alibaba.github.io/weex-ui/#/packages/wxc-popup/)     [issue/319](https://github.com/alibaba/weex-ui/issues/319)
+
 ## 0.6.5
 - [+] [`wxc-button`](https://alibaba.github.io/weex-ui/#/packages/wxc-button/) supports to set the disabled style for replace
 - [!] Fixed the link click callback for [`wxc-rich-text`](https://alibaba.github.io/weex-ui/#/packages/wxc-rich-text/)  [issue/298](https://github.com/alibaba/weex-ui/issues/298)

CHANGELOG_cn.md

@@ -1,5 +1,9 @@
 # 升级日志
 
+## 0.6.6
+- [!] 修复 [wxc-tab-page](https://alibaba.github.io/weex-ui/#/packages/wxc-tab-page/) 中 Padding 不存在时候的报错  [issue/320](https://github.com/alibaba/weex-ui/issues/320)
+- [!] 修复 [wxc-popup](https://alibaba.github.io/weex-ui/#/packages/wxc-popup/) 组件传入的standOut值为字符串 bug    [issue/319](https://github.com/alibaba/weex-ui/issues/319)
+
 ## 0.6.5
 - [+] [`wxc-button`](https://alibaba.github.io/weex-ui/#/cn/packages/wxc-button/) 支持设置 disabled 样式进行覆盖
 - [!] 修复 [`wxc-rich-text`](https://alibaba.github.io/weex-ui/#/cn/packages/wxc-rich-text/) link 不支持点击回调问题  [issue/298](https://github.com/alibaba/weex-ui/issues/298)

docs/_coverpage.md

@@ -1,6 +1,6 @@
 <img src="https://img.alicdn.com/tfs/TB1kCs_er_I8KJjy1XaXXbsxpXa-419-495.png" width="146px">
 
-# <span style="font-weight:400;">Weex Ui</span> <span style="font-size:14px">0.6.5</span>
+# <span style="font-weight:400;">Weex Ui</span> <span style="font-size:14px">0.6.6</span>
 
 > <span style="line-height:1.8rem;font-weight:400;font-size:1.3rem">A rich interaction, lightweight, high performance UI library.<span>