diff --git a/zh-cn/application-dev/reference/apis/js-apis-inputmethod.md b/zh-cn/application-dev/reference/apis/js-apis-inputmethod.md
index 2a43022fbd1568727c25df6b532183ddd287f883..b374bd9f820a06f6a60c5abe0e5e20714dc44bb9 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inputmethod.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inputmethod.md
@@ -1821,7 +1821,7 @@ inputMethodController.off('deleteRight');
 
 ### on('sendKeyboardStatus')<sup>10+</sup>
 
-on(type: 'sendKeyboardStatus', callback: (keyBoardStatus: KeyboardStatus) => void): void
+on(type: 'sendKeyboardStatus', callback: (keyboardStatus: KeyboardStatus) => void): void
 
 订阅输入法应用发送键盘状态事件。使用callback异步回调。
 
@@ -1832,7 +1832,7 @@ on(type: 'sendKeyboardStatus', callback: (keyBoardStatus: KeyboardStatus) => voi
 | 参数名   | 类型  | 必填 | 说明    |
 | -------- | ------ | ---- | ---- |
 | type     | string  | 是   | 设置监听类型。<br/>- type为‘sendKeyboardStatus’时表示订阅输入法应用发送键盘状态事件监听。 |
-| callback | (keyBoardStatus: [KeyboardStatus](#keyboardstatus10)) => void | 是   | 回调函数，返回键盘状态。<br/>开发者需要在回调函数中根据传入的键盘状态做相应动作。 |
+| callback | (keyboardStatus: [KeyboardStatus](#keyboardstatus10)) => void | 是   | 回调函数，返回键盘状态。<br/>开发者需要在回调函数中根据传入的键盘状态做相应动作。 |
 
 **错误码：**
 
@@ -1846,8 +1846,8 @@ on(type: 'sendKeyboardStatus', callback: (keyBoardStatus: KeyboardStatus) => voi
 
 ```js
 try {
-  inputMethodController.on('sendKeyboardStatus', (keyBoardStatus) => {
-    console.log(`Succeeded in subscribing sendKeyboardStatus, keyBoardStatus: ${keyBoardStatus}`);
+  inputMethodController.on('sendKeyboardStatus', (keyboardStatus) => {
+    console.log(`Succeeded in subscribing sendKeyboardStatus, keyboardStatus: ${keyboardStatus}`);
   });
 } catch(err) {
   console.error(`Failed to subscribe sendKeyboardStatus: ${JSON.stringify(err)}`);
@@ -1856,7 +1856,7 @@ try {
 
 ### off('sendKeyboardStatus')<sup>10+</sup>
 
-off(type: 'sendKeyboardStatus', callback?: (keyBoardStatus: KeyboardStatus) => void): void
+off(type: 'sendKeyboardStatus', callback?: (keyboardStatus: KeyboardStatus) => void): void
 
 取消订阅输入法应用发送键盘状态事件。
 
@@ -1867,13 +1867,13 @@ off(type: 'sendKeyboardStatus', callback?: (keyBoardStatus: KeyboardStatus) => v
 | 参数名   | 类型                                                         | 必填 | 说明                                                         |
 | -------- | ------------------------------------------------------------ | ---- | ------------------------------------------------------------ |
 | type     | string                                                       | 是   | 设置监听类型。<br/>- type为‘sendKeyboardStatus’时表示取消订阅输入法应用发送键盘状态事件监听。 |
-| callback | (keyBoardStatus: [KeyboardStatus](#keyboardstatus10)) => void | 否   | 取消订阅的回调函数，需要与on接口传入的保持一致。当该参数不填写时，取消订阅type对应的所有回调事件。 |
+| callback | (keyboardStatus: [KeyboardStatus](#keyboardstatus10)) => void | 否   | 取消订阅的回调函数，需要与on接口传入的保持一致。当该参数不填写时，取消订阅type对应的所有回调事件。 |
 
 **示例：**
 
 ```js
-let onSendKeyboardStatus = (keyBoardStatus: KeyboardStatus) => {
-    console.log(`Succeeded in subscribing sendKeyboardStatus, keyBoardStatus: ${keyBoardStatus}`);
+let onSendKeyboardStatus = (keyboardStatus: KeyboardStatus) => {
+    console.log(`Succeeded in subscribing sendKeyboardStatus, keyboardStatus: ${keyboardStatus}`);
 };
 inputMethodController.off('sendKeyboardStatus', onSendKeyboardStatus);
 inputMethodController.off('sendKeyboardStatus');
@@ -2935,4 +2935,4 @@ inputMethodSetting.displayOptionalInputMethod().then(() => {
 }).catch((err) => {
   console.error(`Failed to displayOptionalInputMethod: ${JSON.stringify(err)}`);
 })
-```
+```
\ No newline at end of file
diff --git a/zh-cn/release-notes/changelogs/OpenHarmony_4.0.9.2/changelogs-imf.md b/zh-cn/release-notes/changelogs/OpenHarmony_4.0.9.2/changelogs-imf.md
index f258d54766f13f32aace584f57fd447e73b0f8b0..3463f9c6366a3d8b3e67c5117c2b29211825da8b 100644
--- a/zh-cn/release-notes/changelogs/OpenHarmony_4.0.9.2/changelogs-imf.md
+++ b/zh-cn/release-notes/changelogs/OpenHarmony_4.0.9.2/changelogs-imf.md
@@ -21,9 +21,10 @@ off接口新增需要取消订阅的回调函数作为可选参数，需要与on
 | off('insertText')         | off(type: 'insertText'): void         | off(type: 'insertText', callback?: (text: string) => void): void |
 | off('deleteLeft')         | off(type: 'deleteLeft'): void         | off(type: 'deleteLeft', callback?: (length: number) => void): void |
 | off('deleteRight')        | off(type: 'deleteRight'): void        | off(type: 'deleteRight', callback?: (length: number) => void): void |
-| off('sendKeyboardStatus') | off(type: 'sendKeyboardStatus'): void | off(type: 'sendKeyboardStatus', callback?: (keyBoardStatus: KeyboardStatus) => void): void |
+| off('sendKeyboardStatus') | off(type: 'sendKeyboardStatus'): void | off(type: 'sendKeyboardStatus', callback?: (keyboardStatus: KeyboardStatus) => void): void |
 | off('sendFunctionKey')    | off(type: 'sendFunctionKey'): void    | off(type: 'sendFunctionKey', callback?: (functionKey: FunctionKey) => void): void |
 | off('moveCursor')         | off(type: 'moveCursor'): void         | off(type: 'moveCursor', callback?: (direction: Direction) => void): void |
+| off('handleExtendAction') | off(type: 'handleExtendAction'): void | off(type: 'handleExtendAction', callback?: (action: ExtendAction) => void): void |
 | off('selectByRange')      | off(type: 'selectByRange'): void      | off(type: 'selectByRange', callback?: Callback\<Range\>): void |
 | off('selectByMovement')   | off(type: 'selectByMovement'): void   | off(type: 'selectByMovement', callback?: Callback\<Movement\>): void |