diff --git a/docs/markdown/v2-progress-tracking.md b/docs/markdown/v2-progress-tracking.md
index 8e3974b47..900465b07 100644
--- a/docs/markdown/v2-progress-tracking.md
+++ b/docs/markdown/v2-progress-tracking.md
@@ -2,11 +2,15 @@
 
 ### Actionsheet
 
-- [x] 重命名为 ActionSheet
+- [x] 重命名为 ActionSheet 
+
+改动原因：规范命名
 
 ### Button
 
-- [ ] 移除 bottom-action 属性
+- [x] 移除 bottom-action 属性
+
+改动原因：冗余属性，可以被 square 和 size="large" 代替
 
 ### Field
 
diff --git a/docs/src/docs-entry.js b/docs/src/docs-entry.js
index 41b7d784f..138178248 100644
--- a/docs/src/docs-entry.js
+++ b/docs/src/docs-entry.js
@@ -12,6 +12,7 @@ export default {
   'style-guide.zh-CN': () => import('../markdown/style-guide.zh-CN.md'),
   'theme.en-US': () => import('../markdown/theme.en-US.md'),
   'theme.zh-CN': () => import('../markdown/theme.zh-CN.md'),
+  'v2-progress-tracking': () => import('../markdown/v2-progress-tracking.md'),
   'action-sheet.en-US': () => import('../../packages/action-sheet/en-US.md'),
   'action-sheet.zh-CN': () => import('../../packages/action-sheet/zh-CN.md'),
   'address-edit.en-US': () => import('../../packages/address-edit/en-US.md'),
diff --git a/packages/button/index.less b/packages/button/index.less
index 79f11d237..09dbc8031 100644
--- a/packages/button/index.less
+++ b/packages/button/index.less
@@ -131,21 +131,6 @@
     display: block;
   }
 
-  &--bottom-action {
-    border: 0;
-    width: 100%;
-    height: 50px;
-    font-size: 16px;
-    line-height: 50px;
-    border-radius: 0;
-    color: @button-bottom-action-default-color;
-    background-color: @button-bottom-action-default-background-color;
-
-    &.van-button--primary {
-      background-color: @button-bottom-action-primary-background-color;
-    }
-  }
-
   &--disabled {
     opacity: @button-disabled-opacity;
   }
diff --git a/packages/button/index.tsx b/packages/button/index.tsx
index eea20c878..63071fe43 100644
--- a/packages/button/index.tsx
+++ b/packages/button/index.tsx
@@ -26,7 +26,6 @@ export type ButtonProps = RouteProps & {
   nativeType?: string;
   loadingSize: string;
   loadingText?: string;
-  bottomAction?: boolean;
 };
 
 export type ButtonEvents = {
@@ -65,8 +64,7 @@ function Button(
         block: props.block,
         plain: props.plain,
         round: props.round,
-        square: props.square,
-        'bottom-action': props.bottomAction
+        square: props.square
       }
     ]),
     { 'van-hairline--surround': hairline }
@@ -108,7 +106,6 @@ Button.props = {
   disabled: Boolean,
   nativeType: String,
   loadingText: String,
-  bottomAction: Boolean,
   tag: {
     type: String,
     default: 'button'
diff --git a/packages/sku/components/SkuActions.tsx b/packages/sku/components/SkuActions.tsx
index 7c6f3daf2..4cd0655ec 100644
--- a/packages/sku/components/SkuActions.tsx
+++ b/packages/sku/components/SkuActions.tsx
@@ -27,11 +27,18 @@ function SkuActions(
   return (
     <div class={bem()} {...inherit(ctx)}>
       {props.showAddCartBtn && (
-        <Button bottomAction text="加入购物车" onClick={emit('sku:addCart')} />
+        <Button
+          square
+          size="large"
+          type="warning"
+          text="加入购物车"
+          onClick={emit('sku:addCart')}
+        />
       )}
       <Button
-        type="primary"
-        bottomAction
+        square
+        size="large"
+        type="danger"
         text={props.buyText || '立即购买'}
         onClick={emit('sku:buy')}
       />
diff --git a/packages/sku/demo/index.vue b/packages/sku/demo/index.vue
index 3e633d5ca..5b91f3547 100644
--- a/packages/sku/demo/index.vue
+++ b/packages/sku/demo/index.vue
@@ -117,14 +117,17 @@
           >
             <div class="van-sku-actions">
               <van-button
-                bottom-action
+                square
+                size="large"
+                type="warning"
                 @click="onPointClicked"
               >
                 {{ $t('button1') }}
               </van-button>
               <van-button
-                type="primary"
-                bottom-action
+                square
+                size="large"
+                type="danger"
                 @click="props.skuEventBus.$emit('sku:buy')"
               >
                 {{ $t('button2') }}
diff --git a/packages/sku/en-US.md b/packages/sku/en-US.md
index 9c798befd..078507401 100644
--- a/packages/sku/en-US.md
+++ b/packages/sku/en-US.md
@@ -70,12 +70,27 @@ Vue.use(Sku);
       <span class="van-sku__price-symbol">￥</span><span class="van-sku__price-num">{{ props.price }}</span>
     </div>
   </template>
+
   <!-- custom sku actions -->
   <template slot="sku-actions" slot-scope="props">
     <div class="van-sku-actions">
-      <van-button bottom-action @click="onPointClicked">Button</van-button>
+      <van-button
+        square
+        size="large"
+        type="warning"
+        @click="onPointClicked"
+      >
+        Button
+      </van-button>
       <!-- trigger sku inner event -->
-      <van-button type="primary" bottom-action @click="props.skuEventBus.$emit('sku:buy')">Button</van-button>
+      <van-button
+        square
+        size="large"
+        type="danger"
+        @click="props.skuEventBus.$emit('sku:buy')"
+      >
+        Button
+      </van-button>
     </div>
   </template>
 </van-sku>
diff --git a/packages/sku/zh-CN.md b/packages/sku/zh-CN.md
index 57e2bea4c..add20f0ce 100644
--- a/packages/sku/zh-CN.md
+++ b/packages/sku/zh-CN.md
@@ -71,12 +71,27 @@ Vue.use(Sku);
       <span class="van-sku__price-symbol">￥</span><span class="van-sku__price-num">{{ props.price }}</span>
     </div>
   </template>
+
   <!-- 自定义 sku actions -->
   <template slot="sku-actions" slot-scope="props">
     <div class="van-sku-actions">
-      <van-button bottom-action @click="onPointClicked">积分兑换</van-button>
+      <van-button
+        square
+        size="large"
+        type="warning"
+        @click="onPointClicked"
+      >
+        积分兑换
+      </van-button>
       <!-- 直接触发 sku 内部事件，通过内部事件执行 onBuyClicked 回调 -->
-      <van-button type="primary" bottom-action @click="props.skuEventBus.$emit('sku:buy')">买买买</van-button>
+      <van-button
+        square
+        size="large"
+        type="danger"
+        @click="props.skuEventBus.$emit('sku:buy')"
+      >
+        买买买
+      </van-button>
     </div>
   </template>
 </van-sku>
diff --git a/packages/style/var.less b/packages/style/var.less
index 3e7ddf3a6..d8884392a 100644
--- a/packages/style/var.less
+++ b/packages/style/var.less
@@ -77,10 +77,6 @@
 @button-warning-color: @white;
 @button-warning-background-color: @orange;
 @button-warning-border-color: @orange;
-@button-bottom-action-default-color: @white;
-@button-bottom-action-default-background-color: @orange;
-@button-bottom-action-primary-color: @white;
-@button-bottom-action-primary-background-color: @red;
 @button-border-width: 1px;
 @button-border-radius: 2px;
 @button-round-border-radius: 10em;