update i18n docs

CHANGELOG.en-US.md

@@ -17,6 +17,8 @@
 - Fixed DatePicker displaying 1970 when initial value is null, #2388
 - Fixed `filteredValue` attribute for Table, #2348
 - Fixed scrollable Table's style with empty data, #2396
+- Added `beforeClose` attribute for MessageBox, #2204
+- Fixed filterable Select not showing dropdown when triangle icon is clicked, #2389
 
 Breaking change
 - The `default-sort-prop` and `default-sort-order` attributes added in 1.1.3 are now merged into an object-typed attribute

CHANGELOG.zh-CN.md

@@ -16,6 +16,8 @@
 - 修复 DatePicker 初始值为 null 显示 1970，#2388
 - 修复 Table 缺少 filteredValue 属性，#2348
 - 修复 Table 空数据时且存在滚动条时的样式，#2396
+- 新增 MessageBox 的 `beforeClose` 属性，#2204
+- 修复可过滤的 Select 点击三角图标不显示下拉框的问题，#2389
 
 非兼容性更新
 - 1.1.3 新增的 `default-sort-prop` 和 `default-sort-order` 属性现在合并为一个对象类型属性

examples/docs/en-US/i18n.md

@@ -95,6 +95,7 @@ Currently Element ships with the following languages:
   <li>Thai (th)</li>
   <li>Indonesian (id)</li>
   <li>Bulgarian (bg)</li>
+  <li>Polish (pl)</li>
 </ul>
 
 If your target language is not included, you are more than welcome to contribute: just add another language config [here](https://github.com/ElemeFE/element/tree/master/src/locale/lang) and create a pull request.

examples/docs/zh-CN/i18n.md

@@ -107,6 +107,7 @@ Vue.use(Element, {
   <li>泰语（th）</li>
   <li>印尼语（id）</li>
   <li>保加利亚语（bg）</li>
+  <li>波兰语（pl）</li>
 </ul>
 
 如果你需要使用其他的语言，欢迎贡献 PR：只需在 [这里](https://github.com/ElemeFE/element/tree/master/src/locale/lang) 添加一个语言配置文件即可。