diff --git a/zh-cn/application-dev/application-models/accessibilityextensionability.md b/zh-cn/application-dev/application-models/accessibilityextensionability.md
index 6b8a899c9620a9c768591e3f7bd8256188f519e9..678e3f9ffa6b128716d93353a35ba6855ab2d4ae 100644
--- a/zh-cn/application-dev/application-models/accessibilityextensionability.md
+++ b/zh-cn/application-dev/application-models/accessibilityextensionability.md
@@ -1,4 +1,4 @@
-# AccessibilityExtensionAbility开发指南
+# AccessibilityExtensionAbility
 
 AccessibilityExtensionAbility基于ExtensionAbility框架，提供无障碍扩展服务，开发者可以基于AccessibilityExtensionAbility模板开发自己的辅助功能应用，协助用户完成一些快捷的交互过程。