diff --git a/components/nav-bar/demo/basic.md b/components/nav-bar/demo/basic.md
index d745f5a32d..132ff6c0cd 100644
--- a/components/nav-bar/demo/basic.md
+++ b/components/nav-bar/demo/basic.md
@@ -1,19 +1,13 @@
 ---
 order: 0
-title: mode
+title: NavBar
 ---
 
-模式
-
-
 ````jsx
 import { NavBar, Icon } from 'antd-mobile';
 
 ReactDOM.render(
-  <div style={{ padding: 8 }}>
-    <NavBar leftContent="返回"
-      rightContent={[<Icon key="0" type="user" />, <Icon key="1" type="search" />, <Icon key="2" type="plus" />]}
-    >NavBar</NavBar>
+  <div>
     <div style={{ height: 8 }} />
     <NavBar leftContent="返回" mode="light"
       rightContent={[<Icon key="0" type="user" />, <Icon key="1" type="search" />, <Icon key="2" type="plus" />]}
diff --git a/components/nav-bar/demo/basic1.md b/components/nav-bar/demo/basic1.md
deleted file mode 100644
index 4c3e9b199a..0000000000
--- a/components/nav-bar/demo/basic1.md
+++ /dev/null
@@ -1,29 +0,0 @@
----
-order: 1
-title: other
----
-
-左侧或右侧无内容
-
-
-````jsx
-import { NavBar, Icon } from 'antd-mobile';
-
-ReactDOM.render(
-  <div style={{ padding: 8 }}>
-    <NavBar iconName={false}
-      rightContent={[<Icon key="0" type="user" />, <Icon key="1" type="search" />, <Icon key="2" type="plus" />]}
-    >NavBar</NavBar>
-    <div style={{ height: 8 }} />
-    <NavBar leftContent="返回">NavBar</NavBar>
-    <div style={{ height: 8 }} />
-    <NavBar iconName={false}
-      rightContent={<Icon type="ellipsis" />}
-    >NavBar</NavBar>
-    <div style={{ height: 8 }} />
-    <NavBar iconName={false} leftContent="取消"
-      rightContent="完成"
-    >NavBar</NavBar>
-  </div>
-, mountNode);
-````