diff --git a/components/button/demo/button-group.md b/components/button/demo/button-group.md
index 229294ad8..8d695fc1a 100644
--- a/components/button/demo/button-group.md
+++ b/components/button/demo/button-group.md
@@ -84,4 +84,7 @@
 .nico-insert-code .ant-btn-group {
   margin-left: 8px;
 }
+.nico-insert-code .ant-btn {
+  margin-bottom: 10px;
+}
 </style>
diff --git a/components/button/demo/menu.md b/components/button/demo/menu.md
index f947a125f..c17f7b269 100644
--- a/components/button/demo/menu.md
+++ b/components/button/demo/menu.md
@@ -4,30 +4,16 @@
 
 菜单按钮
 
-**注**: 下拉按钮的 icon 大小统一成 10px。
+**注**: 下拉按钮的 icon 大小统一成 **10px**。
 
 ---
 
 ````html
-<button class="ant-btn ant-btn-primary ant-btn-menu ant-btn-lg">
-  <span>大号菜单</span>
-  <span class="anticon anticon-bars"></span>
-</button>
 <button class="ant-btn ant-btn-primary ant-btn-menu">
-  <span>中号菜单</span>
-  <span class="anticon anticon-bars"></span>
-</button>
-<button class="ant-btn ant-btn-primary ant-btn-menu sm">
-  <span>小号菜单</span>
-  <span class="anticon anticon-bars"></span>
-</button>
-<button class="ant-btn ant-btn-primary ant-btn-circle ant-btn-menu ant-btn-lg">
+  <span>菜单按钮</span>
   <span class="anticon anticon-bars"></span>
 </button>
 <button class="ant-btn ant-btn-ghost ant-btn-circle ant-btn-menu">
   <span class="anticon anticon-bars"></span>
 </button>
-<button class="ant-btn ant-btn-default ant-btn-circle-outline ant-btn-menu ant-btn-sm">
-  <span class="anticon anticon-bars"></span>
-</button>
 ````