diff --git a/zh-cn/application-dev/application-models/accessibilityextensionability.md b/zh-cn/application-dev/application-models/accessibilityextensionability.md
index 98008c1a530809057f2f7f1e3831e4fb0b9f38f6..088262861fe48b0d92ef3b5eef2f35395b0eae57 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。