diff --git a/zh-cn/application-dev/application-models/accessibilityextensionability.md b/zh-cn/application-dev/application-models/accessibilityextensionability.md
index dc0f569dc503e085822121ba73de09305c4b8c76..a5037ee6c60df9ed887ae52269accefc1583f73d 100644
--- a/zh-cn/application-dev/application-models/accessibilityextensionability.md
+++ b/zh-cn/application-dev/application-models/accessibilityextensionability.md
@@ -17,7 +17,7 @@ AccessibilityExtensionAbility基于ExtensionAbility框架,提供无障碍扩
 - [如何处理一个无障碍事件](#如何处理一个无障碍事件)
 - [如何声明无障碍扩展服务具备的能力](#如何声明无障碍扩展服务具备的能力)
 - [如何开启自定义的无障碍扩展服务](#如何开启自定义的无障碍扩展服务)
-- [相关示例](#相关示例)
+- [相关实例](#相关实例)
 
 ## AccessibilityExtensionAbility概述