diff --git a/packages/nav-bar/test/__snapshots__/demo.spec.js.snap b/packages/nav-bar/test/__snapshots__/demo.spec.js.snap
index ef421bdce..be2f2d61c 100644
--- a/packages/nav-bar/test/__snapshots__/demo.spec.js.snap
+++ b/packages/nav-bar/test/__snapshots__/demo.spec.js.snap
@@ -3,7 +3,7 @@
 exports[`renders demo correctly 1`] = `
 <div>
   <div>
-    <div class="van-hairline--bottom van-nav-bar" style="z-index:1;">
+    <div class="van-nav-bar van-hairline--bottom" style="z-index:1;">
       <div class="van-nav-bar__left">
         <i class="van-icon van-icon-arrow van-nav-bar__arrow" style="color:undefined;font-size:undefined;">
           <!---->
@@ -13,7 +13,7 @@ exports[`renders demo correctly 1`] = `
     </div>
   </div>
   <div>
-    <div class="van-hairline--bottom van-nav-bar" style="z-index:1;">
+    <div class="van-nav-bar van-hairline--bottom" style="z-index:1;">
       <div class="van-nav-bar__left">
         <i class="van-icon van-icon-arrow van-nav-bar__arrow" style="color:undefined;font-size:undefined;">
           <!---->
diff --git a/packages/nav-bar/zh-CN.md b/packages/nav-bar/zh-CN.md
index dcf102e29..ad4b1377d 100644
--- a/packages/nav-bar/zh-CN.md
+++ b/packages/nav-bar/zh-CN.md
@@ -54,7 +54,7 @@ export default {
 | right-text | 右侧文案 | `String` | `''` | - |
 | left-arrow | 是否显示左侧箭头 | `Boolean` | `false` | - |
 | fixed | 是否固定在顶部 | `Boolean` | `false` | - |
-| border | 是否显示下边框 | `Boolean` | `true` | 1.4.7 |
+| border | 是否显示下边框 | `Boolean` | `true` | 1.4.6 |
 | z-index | 元素 z-index | `Number` | `1` | - |
 
 ### Slot