diff --git a/packages/vant/src/nav-bar/NavBar.tsx b/packages/vant/src/nav-bar/NavBar.tsx
index 3469df1e0..0182bf334 100644
--- a/packages/vant/src/nav-bar/NavBar.tsx
+++ b/packages/vant/src/nav-bar/NavBar.tsx
@@ -30,7 +30,7 @@ const navBarProps = {
   safeAreaInsetTop: Boolean,
 };
 
-export type NavbarProps = ExtractPropTypes<typeof navBarProps>;
+export type NavBarProps = ExtractPropTypes<typeof navBarProps>;
 
 export default defineComponent({
   name,
diff --git a/packages/vant/src/nav-bar/README.md b/packages/vant/src/nav-bar/README.md
index 95b71b071..286b71cc0 100644
--- a/packages/vant/src/nav-bar/README.md
+++ b/packages/vant/src/nav-bar/README.md
@@ -120,7 +120,7 @@ export default {
 The component exports the following type definitions:
 
 ```ts
-import type { NavbarProps } from 'vant';
+import type { NavBarProps } from 'vant';
 ```
 
 ## Theming
diff --git a/packages/vant/src/nav-bar/README.zh-CN.md b/packages/vant/src/nav-bar/README.zh-CN.md
index 2f5c386f3..a5f8268d5 100644
--- a/packages/vant/src/nav-bar/README.zh-CN.md
+++ b/packages/vant/src/nav-bar/README.zh-CN.md
@@ -128,7 +128,7 @@ export default {
 组件导出以下类型定义：
 
 ```ts
-import type { NavbarProps } from 'vant';
+import type { NavBarProps } from 'vant';
 ```
 
 ## 主题定制
diff --git a/packages/vant/src/nav-bar/index.ts b/packages/vant/src/nav-bar/index.ts
index 876bca5d1..7d35a92f6 100644
--- a/packages/vant/src/nav-bar/index.ts
+++ b/packages/vant/src/nav-bar/index.ts
@@ -3,4 +3,4 @@ import _NavBar from './NavBar';
 
 export const NavBar = withInstall(_NavBar);
 export default NavBar;
-export type { NavbarProps } from './NavBar';
+export type { NavBarProps } from './NavBar';