diff --git a/zh-cn/application-dev/application-models/inputmethodextentionability.md b/zh-cn/application-dev/application-models/inputmethodextentionability.md
index eaf3c64fbe799d8572ea4bb3ece53f0cf2108863..c0a7fce615e287db9e93db2d8390a5464071cc0e 100644
--- a/zh-cn/application-dev/application-models/inputmethodextentionability.md
+++ b/zh-cn/application-dev/application-models/inputmethodextentionability.md
@@ -1,4 +1,4 @@
-# InputMethodExtensionAbility
+# InputMethodExtensionAbility开发指南
 
 [InputMethodExtensionAbility](../reference/apis/js-apis-inputmethod-extension-ability.md)是inputMethod类型的ExtensionAbility组件，提供输入法框架服务相关扩展能力。