diff --git a/docs/markdown/changelog.en-US.md b/docs/markdown/changelog.en-US.md
index b57b2487d..32b886705 100644
--- a/docs/markdown/changelog.en-US.md
+++ b/docs/markdown/changelog.en-US.md
@@ -1,5 +1,20 @@
 # Changelog
 
+### [v2.5.9-beta.0](https://github.com/youzan/vant/compare/v2.5.8...v2.5.9-beta.0)
+
+`2020-03-28`
+
+**Feature**
+
+- AddressEdit: add click-area event [#5939](https://github.com/youzan/vant/issues/5939)
+- NavBar: add placeholder prop [#5938](https://github.com/youzan/vant/issues/5938)
+- Steps: add click-step event [#5937](https://github.com/youzan/vant/issues/5937)
+
+**Bug Fixes**
+
+- NumberKeyboard: show-delete-key prop not work [#5935](https://github.com/youzan/vant/issues/5935)
+- Toast: incorrect height in legacy devices [#5931](https://github.com/youzan/vant/issues/5931)
+
 ### [v2.5.8](https://github.com/youzan/vant/compare/v2.5.7...v2.5.8)
 
 `2020-03-27`
diff --git a/docs/markdown/changelog.zh-CN.md b/docs/markdown/changelog.zh-CN.md
index 8675825e9..98e572838 100644
--- a/docs/markdown/changelog.zh-CN.md
+++ b/docs/markdown/changelog.zh-CN.md
@@ -10,6 +10,21 @@ Vant 遵循 [Semver](https://semver.org/lang/zh-CN/) 语义化版本规范。
 - 次版本号：每隔一至二个月发布，包含新特性和较大的功能更新，向下兼容。
 - 主版本号：发布时间不定，包含不兼容更新，预计下一个主版本会与 Vue 3.0 同期发布。
 
+### [v2.5.9-beta.0](https://github.com/youzan/vant/compare/v2.5.8...v2.5.9-beta.0)
+
+`2020-03-28`
+
+**Feature**
+
+- AddressEdit: 新增 click-area 事件 [#5939](https://github.com/youzan/vant/issues/5939)
+- NavBar: 新增 placeholder 属性 [#5938](https://github.com/youzan/vant/issues/5938)
+- Steps: 新增 click-step 事件 [#5937](https://github.com/youzan/vant/issues/5937)
+
+**Bug Fixes**
+
+- NumberKeyboard: 修复 show-delete-key 属性不生效的问题 [#5935](https://github.com/youzan/vant/issues/5935)
+- Toast: 修复在部分机型上高度错误的问题 [#5931](https://github.com/youzan/vant/issues/5931)
+
 ### [v2.5.8](https://github.com/youzan/vant/compare/v2.5.7...v2.5.8)
 
 `2020-03-27`
diff --git a/src/nav-bar/README.md b/src/nav-bar/README.md
index 2dbbb06e6..2fe034368 100644
--- a/src/nav-bar/README.md
+++ b/src/nav-bar/README.md
@@ -61,7 +61,7 @@ export default {
 | left-arrow | Whether to show left arrow | *boolean* | `false` |
 | border | Whether to show bottom border | *boolean* | `true` |
 | fixed | Whether to fixed top | *boolean* | `false` |
-| placeholder `v2.6.0` | Whether to generage a placeholder element when fixed | *boolean* | `false` |
+| placeholder `v2.5.9` | Whether to generage a placeholder element when fixed | *boolean* | `false` |
 | z-index | Z-index | *number \| string* | `1` |
 
 ### Slots
diff --git a/src/nav-bar/README.zh-CN.md b/src/nav-bar/README.zh-CN.md
index 2a129b318..a102de717 100644
--- a/src/nav-bar/README.zh-CN.md
+++ b/src/nav-bar/README.zh-CN.md
@@ -63,7 +63,7 @@ export default {
 | left-arrow | 是否显示左侧箭头 | *boolean* | `false` |
 | border | 是否显示下边框 | *boolean* | `true` |
 | fixed | 是否固定在顶部 | *boolean* | `false` |
-| placeholder `v2.6.0` | 固定在顶部时，是否在标签位置生成一个等高的占位元素 | *boolean* | `false` |
+| placeholder `v2.5.9` | 固定在顶部时，是否在标签位置生成一个等高的占位元素 | *boolean* | `false` |
 | z-index | 元素 z-index | *number \| string* | `1` |
 
 ### Slots
diff --git a/src/number-keyboard/README.md b/src/number-keyboard/README.md
index d0173e5a0..d2552a6c7 100644
--- a/src/number-keyboard/README.md
+++ b/src/number-keyboard/README.md
@@ -145,7 +145,7 @@ Use `title` prop to set keyboard title
 | extra-key | Content of bottom left key | *string* | `''` |
 | close-button-text | Close button text | *string* | `-` |
 | delete-button-text | Delete button text | *string* | `delete` |
-| show-delete-key `v2.6.0` | Whether to show delete button | *boolean* | `true` |
+| show-delete-key `v2.5.9` | Whether to show delete button | *boolean* | `true` |
 | hide-on-click-outside | Whether to hide keyboard when click outside | *boolean* | `true` |
 | safe-area-inset-bottom | Whether to enable bottom safe area adaptation | *boolean* | `true` |
 
diff --git a/src/number-keyboard/README.zh-CN.md b/src/number-keyboard/README.zh-CN.md
index e01d6d27b..b544acdb4 100644
--- a/src/number-keyboard/README.zh-CN.md
+++ b/src/number-keyboard/README.zh-CN.md
@@ -151,7 +151,7 @@ export default {
 | extra-key | 左下角按键内容 | *string* | `''` |
 | close-button-text | 关闭按钮文字，空则不展示 | *string* | `-` |
 | delete-button-text | 删除按钮文字 | *string* | `删除` |
-| show-delete-key `v2.6.0` | 是否展示删除按钮 | *boolean* | `true` |
+| show-delete-key `v2.5.9` | 是否展示删除按钮 | *boolean* | `true` |
 | hide-on-click-outside | 点击外部时是否收起键盘 | *boolean* | `true` |
 | safe-area-inset-bottom | 是否开启[底部安全区适配](#/zh-CN/quickstart#di-bu-an-quan-qu-gua-pei) | *boolean* | `true` |
 
diff --git a/src/steps/README.md b/src/steps/README.md
index e126db654..130f373b8 100644
--- a/src/steps/README.md
+++ b/src/steps/README.md
@@ -90,4 +90,4 @@ export default {
 
 | Event | Description | Arguments |
 |------|------|------|
-| click-step `v2.6.0` | Triggered when a step's title or icon is clicked | *index: number* |
+| click-step `v2.5.9` | Triggered when a step's title or icon is clicked | *index: number* |
diff --git a/src/steps/README.zh-CN.md b/src/steps/README.zh-CN.md
index d67c9e00b..d6306a277 100644
--- a/src/steps/README.zh-CN.md
+++ b/src/steps/README.zh-CN.md
@@ -96,4 +96,4 @@ export default {
 
 | 事件名 | 说明 | 回调参数 |
 |------|------|------|
-| click-step `v2.6.0` | 点击步骤的标题或图标时触发 | *index: number* |
+| click-step `v2.5.9` | 点击步骤的标题或图标时触发 | *index: number* |
diff --git a/src/swipe/README.md b/src/swipe/README.md
index 1785f78cc..ab99f81f5 100644
--- a/src/swipe/README.md
+++ b/src/swipe/README.md
@@ -170,7 +170,7 @@ export default {
 | vertical | Whether to be vertical Scrolling | *boolean* | `false` |
 | touchable | Whether to allow swipe by touch gesture | *boolean* | `true` |
 | stop-propagation `v2.1.0` | Whether to stop touchmove event propagation | *boolean* | `false` |
-| lazy-render `v2.6.0` | Whether to enable lazy render | *boolean* | `false` |
+| lazy-render `v2.5.8` | Whether to enable lazy render | *boolean* | `false` |
 | indicator-color | Indicator color | *string* | `#1989fa` |
 
 ### Swipe Events
diff --git a/src/swipe/README.zh-CN.md b/src/swipe/README.zh-CN.md
index a933f516c..fcc3f380a 100644
--- a/src/swipe/README.zh-CN.md
+++ b/src/swipe/README.zh-CN.md
@@ -176,7 +176,7 @@ export default {
 | vertical | 是否为纵向滚动 | *boolean* | `false` |
 | touchable | 是否可以通过手势滑动 | *boolean* | `true` |
 | stop-propagation `v2.2.13` | 是否阻止滑动事件冒泡 | *boolean* | `true` |
-| lazy-render `v2.6.0` | 是否延迟渲染未展示的轮播 | *boolean* | `false` |
+| lazy-render `v2.5.8` | 是否延迟渲染未展示的轮播 | *boolean* | `false` |
 | indicator-color | 指示器颜色 | *string* | `#1989fa` |
 
 ### Swipe Events