diff --git a/packages/vant/src/button/README.md b/packages/vant/src/button/README.md
index 9ca21692c..dbfa7aff9 100644
--- a/packages/vant/src/button/README.md
+++ b/packages/vant/src/button/README.md
@@ -31,22 +31,22 @@ app.use(Button);
 ### Plain
 
 ```html
-<van-button plain type="primary">Primary</van-button>
-<van-button plain type="primary">Danger</van-button>
+<van-button plain type="primary">Plain</van-button>
+<van-button plain type="success">Plain</van-button>
 ```
 
 ### Hairline
 
 ```html
 <van-button plain hairline type="primary">Hairline</van-button>
-<van-button plain hairline type="primary">Hairline</van-button>
+<van-button plain hairline type="success">Hairline</van-button>
 ```
 
 ### Disabled
 
 ```html
 <van-button disabled type="primary">Disabled</van-button>
-<van-button disabled type="primary">Disabled</van-button>
+<van-button disabled type="success">Disabled</van-button>
 ```
 
 ### Loading
@@ -54,14 +54,14 @@ app.use(Button);
 ```html
 <van-button loading type="primary" />
 <van-button loading type="primary" loading-type="spinner" />
-<van-button loading type="primary" loading-text="Loading..." />
+<van-button loading type="success" loading-text="Loading..." />
 ```
 
 ### Shape
 
 ```html
 <van-button square type="primary">Square</van-button>
-<van-button round type="primary">Round</van-button>
+<van-button round type="success">Round</van-button>
 ```
 
 ### Icon
diff --git a/packages/vant/src/button/README.zh-CN.md b/packages/vant/src/button/README.zh-CN.md
index 8ebc4bf8d..6a77bc8c3 100644
--- a/packages/vant/src/button/README.zh-CN.md
+++ b/packages/vant/src/button/README.zh-CN.md
@@ -36,7 +36,7 @@ app.use(Button);
 
 ```html
 <van-button plain type="primary">朴素按钮</van-button>
-<van-button plain type="primary">朴素按钮</van-button>
+<van-button plain type="success">朴素按钮</van-button>
 ```
 
 ### 细边框
@@ -45,7 +45,7 @@ app.use(Button);
 
 ```html
 <van-button plain hairline type="primary">细边框按钮</van-button>
-<van-button plain hairline type="primary">细边框按钮</van-button>
+<van-button plain hairline type="success">细边框按钮</van-button>
 ```
 
 ### 禁用状态
@@ -54,7 +54,7 @@ app.use(Button);
 
 ```html
 <van-button disabled type="primary">禁用状态</van-button>
-<van-button disabled type="primary">禁用状态</van-button>
+<van-button disabled type="success">禁用状态</van-button>
 ```
 
 ### 加载状态
@@ -64,7 +64,7 @@ app.use(Button);
 ```html
 <van-button loading type="primary" />
 <van-button loading type="primary" loading-type="spinner" />
-<van-button loading type="primary" loading-text="加载中..." />
+<van-button loading type="success" loading-text="加载中..." />
 ```
 
 ### 按钮形状
@@ -73,7 +73,7 @@ app.use(Button);
 
 ```html
 <van-button square type="primary">方形按钮</van-button>
-<van-button round type="primary">圆形按钮</van-button>
+<van-button round type="success">圆形按钮</van-button>
 ```
 
 ### 图标按钮