diff --git a/api/@ohos.multimodalInput.inputConsumer.d.ts b/api/@ohos.multimodalInput.inputConsumer.d.ts
index 973a4404e3..b7e0d8f3c9 100644
--- a/api/@ohos.multimodalInput.inputConsumer.d.ts
+++ b/api/@ohos.multimodalInput.inputConsumer.d.ts
@@ -49,8 +49,9 @@ declare namespace inputConsumer {
      * @syscap SystemCapability.MultimodalInput.Input.InputConsumer
      * @systemapi hide for inner use
      * @param type type of the inputevent about input which is to be subscribed.
-     * @param keyOption the key events about input which is to be subscribed.
+     * @param keyOptions the key events about input which is to be subscribed.
      * @param callback callback function, receive reported data.
+     * @throws {BusinessError} 401 - Parameter error.
      */
     function on(type: "key", keyOptions: KeyOptions, callback: Callback<KeyOptions>): void;
 
@@ -61,8 +62,9 @@ declare namespace inputConsumer {
      * @syscap SystemCapability.MultimodalInput.Input.InputConsumer
      * @systemapi hide for inner use
      * @param type type of the inputevent about input which is to be subscribed.
-     * @param keyOption the key events about input which is to be subscribed.
+     * @param keyOptions the key events about input which is to be subscribed.
      * @param callback callback function, receive reported data.
+     * @throws {BusinessError} 401 - Parameter error.
      */
     function off(type: "key", keyOptions: KeyOptions, callback?: Callback<KeyOptions>): void;
 }
diff --git a/api/@ohos.multimodalInput.inputDevice.d.ts b/api/@ohos.multimodalInput.inputDevice.d.ts
index ab4051ef4e..2d3cc32091 100755
--- a/api/@ohos.multimodalInput.inputDevice.d.ts
+++ b/api/@ohos.multimodalInput.inputDevice.d.ts
@@ -17,16 +17,21 @@ import { Callback, AsyncCallback } from "./basic";
 import { KeyCode } from "./@ohos.multimodalInput.keyCode"
 
 /**
-* The input device management module is configured to obtain an ID and device information of an input device.
-*
-* @since 8
-* @syscap SystemCapability.MultimodalInput.Input.InputDevice
-* @import import inputDevice from '@ohos.multimodalInput.inputDevice';
-*/
-
+ * The input device management module is configured to obtain an ID and device information of an input device.
+ *
+ * @since 8
+ * @syscap SystemCapability.MultimodalInput.Input.InputDevice
+ * @import import inputDevice from '@ohos.multimodalInput.inputDevice';
+ */
 declare namespace inputDevice {
+  /**
+   * @since 9
+   */
   type ChangedType = 'add' | 'remove';
 
+  /**
+   * @since 9
+   */
   type SourceType = 'keyboard' | 'mouse' | 'touchpad' | 'touchscreen' | 'joystick' | 'trackball';
 
   /**
@@ -89,6 +94,7 @@ declare namespace inputDevice {
    * @syscap SystemCapability.MultimodalInput.Input.InputDevice
    * @param type Type of the input device event, which is **change**.
    * @return Callback for the input device event.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function on(type: "change", listener: Callback<DeviceListener>): void;
 
@@ -99,6 +105,7 @@ declare namespace inputDevice {
    * @syscap SystemCapability.MultimodalInput.Input.InputDevice
    * @param type Type of the input device event, which is **change**.
    * @return Callback for the input device event.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function off(type: "change", listener?: Callback<DeviceListener>): void;
 
@@ -107,6 +114,7 @@ declare namespace inputDevice {
    * For example, a touchscreen may report information such as x, y, and pressure,
    * which indicate the x-axis coordinate, y-axis coordinate, and pressure, respectively.
    *
+   * @since 8
    * @syscap SystemCapability.MultimodalInput.Input.InputDevice
    * @param source Input source type of the axis. For example, if a mouse reports an x-axis event, the source of the x-axis is the mouse.
    * @param axis Type of the axis. for example, the x-axis, y-axis, and pressure axis.
@@ -156,6 +164,7 @@ declare namespace inputDevice {
   /**
    * Defines the information about an input device.
    *
+   * @since 8
    * @syscap SystemCapability.MultimodalInput.Input.InputDevice
    * @param name Name of the input device.
    * @param sources Source type supported by the input device. For example, if a keyboard is attached with a touchpad, the device has two input sources: keyboard and touchpad.
@@ -224,9 +233,20 @@ declare namespace inputDevice {
    *
    * @since 8
    * @syscap SystemCapability.MultimodalInput.Input.InputDevice
-   * @param callback callback function, receive reported data
+   * @param callback Callback function, receive reported data
+   * @deprecated since 9
+   * @useinstead ohos.multimodalInput.inputDevice#getDeviceList
    */
   function getDeviceIds(callback: AsyncCallback<Array<number>>): void;
+
+  /**
+   * Obtains the IDs of all input devices.
+   *
+   * @since 8
+   * @syscap SystemCapability.MultimodalInput.Input.InputDevice
+   * @deprecated since 9
+   * @useinstead ohos.multimodalInput.inputDevice#getDeviceList
+   */
   function getDeviceIds(): Promise<Array<number>>;
 
   /**
@@ -235,11 +255,62 @@ declare namespace inputDevice {
    * @since 8
    * @syscap SystemCapability.MultimodalInput.Input.InputDevice
    * @param deviceId ID of the input device whose information is to be obtained.
-   * @param callback callback function, receive reported data
+   * @param callback Callback function, receive reported data
+   * @deprecated since 9
+   * @useinstead ohos.multimodalInput.inputDevice#getDeviceInfo
    */
   function getDevice(deviceId: number, callback: AsyncCallback<InputDeviceData>): void;
+
+  /**
+   * Obtain the information about an input device.
+   *
+   * @since 8
+   * @syscap SystemCapability.MultimodalInput.Input.InputDevice
+   * @param deviceId ID of the input device whose information is to be obtained.
+   * @deprecated since 9
+   * @useinstead ohos.multimodalInput.inputDevice#getDeviceInfo
+   */
   function getDevice(deviceId: number): Promise<InputDeviceData>;
 
+  /**
+   * Obtains the IDs of all input devices.
+   *
+   * @since 9
+   * @syscap SystemCapability.MultimodalInput.Input.InputDevice
+   * @param callback Callback function, receive reported data
+   * @throws {BusinessError} 401 - Parameter error.
+   */
+  function getDeviceList(callback: AsyncCallback<Array<number>>): void;
+
+  /**
+   * Obtains the IDs of all input devices.
+   *
+   * @since 9
+   * @syscap SystemCapability.MultimodalInput.Input.InputDevice
+   */
+  function getDeviceList(): Promise<Array<number>>;
+
+  /**
+  * Obtain the information about an input device.
+  *
+  * @since 9
+  * @syscap SystemCapability.MultimodalInput.Input.InputDevice
+  * @param deviceId ID of the input device whose information is to be obtained.
+  * @param callback Callback function, receive reported data
+  * @throws {BusinessError} 401 - Parameter error.
+  */
+  function getDeviceInfo(deviceId: number, callback: AsyncCallback<InputDeviceData>): void;
+
+  /**
+  * Obtain the information about an input device.
+  *
+  * @since 9
+  * @syscap SystemCapability.MultimodalInput.Input.InputDevice
+  * @param deviceId ID of the input device whose information is to be obtained.
+  * @throws {BusinessError} 401 - Parameter error.
+  */
+  function getDeviceInfo(deviceId: number): Promise<InputDeviceData>;
+
   /**
    * Checks whether the specified key codes of an input device are supported.
    *
@@ -248,8 +319,20 @@ declare namespace inputDevice {
    * @param deviceId ID of the input device.
    * @param keys Key codes of the input device, You can query a maximum of five key codes at a time.
    * @return Returns a result indicating whether the specified key codes are supported.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function supportKeys(deviceId: number, keys: Array<KeyCode>, callback: Callback<Array<boolean>>): void;
+
+  /**
+   * Checks whether the specified key codes of an input device are supported.
+   *
+   * @since 9
+   * @syscap SystemCapability.MultimodalInput.Input.InputDevice
+   * @param deviceId ID of the input device.
+   * @param keys Key codes of the input device, You can query a maximum of five key codes at a time.
+   * @return Returns a result indicating whether the specified key codes are supported.
+   * @throws {BusinessError} 401 - Parameter error.
+   */
   function supportKeys(deviceId: number, keys: Array<KeyCode>): Promise<Array<boolean>>;
 
   /**
@@ -259,8 +342,19 @@ declare namespace inputDevice {
    * @syscap SystemCapability.MultimodalInput.Input.InputDevice
    * @param deviceId ID of the specified input device.
    * @return Returns the keyboard type.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function getKeyboardType(deviceId: number, callback: AsyncCallback<KeyboardType>): void;
+
+  /**
+   * Query the keyboard type of the input device.
+   *
+   * @since 9
+   * @syscap SystemCapability.MultimodalInput.Input.InputDevice
+   * @param deviceId ID of the specified input device.
+   * @return Returns the keyboard type.
+   * @throws {BusinessError} 401 - Parameter error.
+   */
   function getKeyboardType(deviceId: number): Promise<KeyboardType>;
 }
 
diff --git a/api/@ohos.multimodalInput.inputDeviceCooperate.d.ts b/api/@ohos.multimodalInput.inputDeviceCooperate.d.ts
index c7e8abcecf..8512e44f1e 100755
--- a/api/@ohos.multimodalInput.inputDeviceCooperate.d.ts
+++ b/api/@ohos.multimodalInput.inputDeviceCooperate.d.ts
@@ -16,12 +16,11 @@
 import { AsyncCallback } from "./basic";
 
 declare namespace inputDeviceCooperate {
-
   /**
    * Enumerates mouse traversal events.
    * 
    * @since 9
-   * @syscap SystemCapability.MultimodalInput.Input.Cooperator.
+   * @syscap SystemCapability.MultimodalInput.Input.Cooperator
    * @systemapi hide for inner use.
    */
   enum EventMsg {
@@ -63,50 +62,97 @@ declare namespace inputDeviceCooperate {
 
   /**
    * Enable or disable the mouse traversal.
-   * 
+   *
    * @since 9
    * @syscap SystemCapability.MultimodalInput.Input.Cooperator
    * @systemapi hide for inner use
    * @param enable Whether to enable mouse traversal.
    * @param callback Asynchronous callback function.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function enable(enable: boolean, callback: AsyncCallback<void>): void;
+
+  /**
+   * Enable or disable the mouse traversal.
+   *
+   * @since 9
+   * @syscap SystemCapability.MultimodalInput.Input.Cooperator
+   * @systemapi hide for inner use
+   * @param enable Whether to enable mouse traversal.
+   * @throws {BusinessError} 401 - Parameter error.
+   */
   function enable(enable: boolean): Promise<void>;
 
   /**
    * Starts mouse traversal.
-   * 
+   *
    * @since 9
    * @syscap SystemCapability.MultimodalInput.Input.Cooperator
    * @systemapi hide for inner use
    * @param sinkDeviceDescriptor Descriptor of the target network for mouse traversal.
    * @param srcInputDeviceId Identifier of the peripheral device for mouse traversal.
    * @param callback Asynchronous callback function.
+   * @throws {BusinessError} 401 - Parameter error.
+   * @throws {BusinessError} 4400001 - Incorrect descriptor for the target device.
+   * @throws {BusinessError} 4400002 - Screen hop failed.
    */
   function start(sinkDeviceDescriptor: string, srcInputDeviceId: number, callback: AsyncCallback<void>): void;
+
+  /**
+   * Starts mouse traversal.
+   *
+   * @since 9
+   * @syscap SystemCapability.MultimodalInput.Input.Cooperator
+   * @systemapi hide for inner use
+   * @param sinkDeviceDescriptor Descriptor of the target network for mouse traversal.
+   * @param srcInputDeviceId Identifier of the peripheral device for mouse traversal.
+   * @throws {BusinessError} 401 - Parameter error.
+   * @throws {BusinessError} 4400001 - Incorrect descriptor for the target device.
+   * @throws {BusinessError} 4400002 - Screen hop failed.
+   */
   function start(sinkDeviceDescriptor: string, srcInputDeviceId: number): Promise<void>;
 
   /**
    * Stops mouse traversal.
-   * 
+   *
    * @since 9
    * @syscap SystemCapability.MultimodalInput.Input.Cooperator
    * @systemapi hide for inner use
    * @param callback Asynchronous callback function.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function stop(callback: AsyncCallback<void>): void;
+
+  /**
+   * Stops mouse traversal.
+   *
+   * @since 9
+   * @syscap SystemCapability.MultimodalInput.Input.Cooperator
+   * @systemapi hide for inner use
+   */
   function stop(): Promise<void>;
 
   /**
    * Obtains the status of the mouse traversal switch.
-   * 
+   *
    * @since 9
    * @syscap SystemCapability.MultimodalInput.Input.Cooperator
    * @systemapi hide for inner use
    * @param deviceDescriptor Descriptor of the target network for mouse traversal.
    * @param callback Asynchronous callback used to receive the status of the mouse traversal switch.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function getState(deviceDescriptor: string, callback: AsyncCallback<{ state: boolean }>): void;
+
+  /**
+   * Obtains the status of the mouse traversal switch.
+   *
+   * @since 9
+   * @syscap SystemCapability.MultimodalInput.Input.Cooperator
+   * @systemapi hide for inner use
+   * @param deviceDescriptor Descriptor of the target network for mouse traversal.
+   * @throws {BusinessError} 401 - Parameter error.
+   */
   function getState(deviceDescriptor: string): Promise<{ state: boolean }>;
 
   /**
@@ -117,6 +163,7 @@ declare namespace inputDeviceCooperate {
    * @systemapi hide for inner use
    * @param type Registration type.
    * @param callback Asynchronous callback used to receive mouse traversal events.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function on(type: 'cooperation', callback: AsyncCallback<{ deviceDescriptor: string, eventMsg: EventMsg }>): void;
 
@@ -128,6 +175,7 @@ declare namespace inputDeviceCooperate {
    * @systemapi hide for inner use
    * @param type Registration type.
    * @param callback Asynchronous callback used to return the result.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function off(type: 'cooperation', callback?: AsyncCallback<void>): void;
 
diff --git a/api/@ohos.multimodalInput.inputEvent.d.ts b/api/@ohos.multimodalInput.inputEvent.d.ts
index e085a5f969..a335447db2 100755
--- a/api/@ohos.multimodalInput.inputEvent.d.ts
+++ b/api/@ohos.multimodalInput.inputEvent.d.ts
@@ -14,13 +14,12 @@
 */
 
 /**
-* InputEvent
-*
-* @since 9
-* @syscap SystemCapability.MultimodalInput.Input.Core
-* @import import InputEvent from '@ohos.multimodalInput.inputEvent';
-*/
-
+ * InputEvent
+ *
+ * @since 9
+ * @syscap SystemCapability.MultimodalInput.Input.Core
+ * @import import InputEvent from '@ohos.multimodalInput.inputEvent';
+ */
 export declare interface InputEvent {
   /**
    * Unique event ID generated by the server
diff --git a/api/@ohos.multimodalInput.inputEventClient.d.ts b/api/@ohos.multimodalInput.inputEventClient.d.ts
index d6c8a7c8c1..589bb0c18c 100644
--- a/api/@ohos.multimodalInput.inputEventClient.d.ts
+++ b/api/@ohos.multimodalInput.inputEventClient.d.ts
@@ -26,6 +26,7 @@ declare namespace inputEventClient {
     /**
      * Defines event of key that user want to inject.
      *
+     * @since 8
      * @syscap SystemCapability.MultimodalInput.Input.InputSimulator
      * @systemapi hide for inner use
      * @param isPressed The status of key.
@@ -47,6 +48,7 @@ declare namespace inputEventClient {
      * @syscap SystemCapability.MultimodalInput.Input.InputSimulator
      * @systemapi hide for inner use
      * @param KeyEvent the key event to be injected.
+     * @throws {BusinessError} 401 - Parameter error.
      */
     function injectEvent({KeyEvent: KeyEvent}): void;
 }
diff --git a/api/@ohos.multimodalInput.inputMonitor.d.ts b/api/@ohos.multimodalInput.inputMonitor.d.ts
index b13486feeb..f61123da73 100644
--- a/api/@ohos.multimodalInput.inputMonitor.d.ts
+++ b/api/@ohos.multimodalInput.inputMonitor.d.ts
@@ -44,6 +44,8 @@ declare namespace inputMonitor {
      * @permission ohos.permission.INPUT_MONITORING
      * @param type Event type.
      * @param receiver Callback used to receive the reported data.
+     * @throws {BusinessError} 401 - Parameter error.
+     * @throws {BusinessError} 201 - Permission denied.
      */
     function on(type:"touch", receiver:TouchEventReceiver):void;
 
@@ -55,6 +57,8 @@ declare namespace inputMonitor {
      * @permission ohos.permission.INPUT_MONITORING
      * @param type Event type.
      * @param receiver Callback used to receive the reported data.
+     * @throws {BusinessError} 401 - Parameter error.
+     * @throws {BusinessError} 201 - Permission denied.
      */
     function on(type:"mouse", receiver:Callback<MouseEvent>):void;
 
@@ -66,6 +70,8 @@ declare namespace inputMonitor {
      * @permission ohos.permission.INPUT_MONITORING
      * @param type Event type.
      * @param receiver Callback used to receive the reported data.
+     * @throws {BusinessError} 401 - Parameter error.
+     * @throws {BusinessError} 201 - Permission denied.
      */
     function off(type:"touch", receiver?:TouchEventReceiver):void;
 
@@ -77,7 +83,9 @@ declare namespace inputMonitor {
      * @permission ohos.permission.INPUT_MONITORING
      * @param type Event type.
      * @param receiver Callback used to receive the reported data.
+     * @throws {BusinessError} 401 - Parameter error.
+     * @throws {BusinessError} 201 - Permission denied.
      */
     function off(type:"mouse", receiver?:Callback<MouseEvent>):void;
 }
-export default inputMonitor;
+export default inputMonitor;
\ No newline at end of file
diff --git a/api/@ohos.multimodalInput.mouseEvent.d.ts b/api/@ohos.multimodalInput.mouseEvent.d.ts
index 4f541b7760..8598db12bf 100755
--- a/api/@ohos.multimodalInput.mouseEvent.d.ts
+++ b/api/@ohos.multimodalInput.mouseEvent.d.ts
@@ -16,12 +16,12 @@ import { InputEvent } from "./@ohos.multimodalInput.inputEvent"
 import { KeyCode } from "./@ohos.multimodalInput.keyCode"
 
 /**
-* Action
-*
-* @since 9
-* @syscap SystemCapability.MultimodalInput.Input.Core
-* @import import {Action} from '@ohos.multimodalInput.mouseEvent';
-*/
+ * Action
+ *
+ * @since 9
+ * @syscap SystemCapability.MultimodalInput.Input.Core
+ * @import import {Action} from '@ohos.multimodalInput.mouseEvent';
+ */
 export declare enum Action {
   /**
    * Cancel
@@ -60,12 +60,12 @@ export declare enum Action {
 }
 
 /**
-* Button
-*
-* @since 9
-* @syscap SystemCapability.MultimodalInput.Input.Core
-* @import import {Button} from '@ohos.multimodalInput.mouseEvent';
-*/
+ * Mouse button
+ *
+ * @since 9
+ * @syscap SystemCapability.MultimodalInput.Input.Core
+ * @import import {Button} from '@ohos.multimodalInput.mouseEvent';
+ */
 export declare enum Button {
   /**
    * Left button on the mouse
@@ -109,12 +109,12 @@ export declare enum Button {
 }
 
 /**
-* Axis
-*
-* @since 9
-* @syscap SystemCapability.MultimodalInput.Input.Core
-* @import import {Axis} from '@ohos.multimodalInput.mouseEvent';
-*/
+ * Axis
+ *
+ * @since 9
+ * @syscap SystemCapability.MultimodalInput.Input.Core
+ * @import import {Axis} from '@ohos.multimodalInput.mouseEvent';
+ */
 export declare enum Axis {
   /**
    * Vertical scroll axis
@@ -133,12 +133,12 @@ export declare enum Axis {
 }
 
 /**
-* AxisValue
-*
-* @since 9
-* @syscap SystemCapability.MultimodalInput.Input.Core
-* @import import {AxisValue} from '@ohos.multimodalInput.mouseEvent';
-*/
+ * AxisValue
+ *
+ * @since 9
+ * @syscap SystemCapability.MultimodalInput.Input.Core
+ * @import import {AxisValue} from '@ohos.multimodalInput.mouseEvent';
+ */
 export declare interface AxisValue {
   /**
    * Axis type
@@ -152,12 +152,12 @@ export declare interface AxisValue {
 }
 
 /**
-* MouseEvent
-*
-* @since 9
-* @syscap SystemCapability.MultimodalInput.Input.Core
-* @import import {MouseEvent} from '@ohos.multimodalInput.mouseEvent';
-*/
+ * MouseEvent
+ *
+ * @since 9
+ * @syscap SystemCapability.MultimodalInput.Input.Core
+ * @import import {MouseEvent} from '@ohos.multimodalInput.mouseEvent';
+ */
 export declare interface MouseEvent extends InputEvent {
   /**
    * Mouse event action
diff --git a/api/@ohos.multimodalInput.pointer.d.ts b/api/@ohos.multimodalInput.pointer.d.ts
index 63636fd133..55fa1863b6 100644
--- a/api/@ohos.multimodalInput.pointer.d.ts
+++ b/api/@ohos.multimodalInput.pointer.d.ts
@@ -16,14 +16,18 @@
 import { AsyncCallback } from "./basic";
 
 /**
-* Declares interfaces related to mouse pointer attributes.
-*
-* @since 9
-* @syscap SystemCapability.MultimodalInput.Input.Pointer
-* @import import pointer from '@ohos.multimodalInput.pointer';
-*/
-
+ * Declares interfaces related to mouse pointer attributes.
+ *
+ * @since 9
+ * @syscap SystemCapability.MultimodalInput.Input.Pointer
+ * @import import pointer from '@ohos.multimodalInput.pointer';
+ */
 declare namespace pointer {
+  /**
+   * Pointer style.
+   * @since 9
+   * @syscap SystemCapability.MultimodalInput.Input.Pointer
+   */
   enum PointerStyle {
     /**
      * Default
@@ -81,27 +85,27 @@ declare namespace pointer {
     SOUTH_WEST,
 
     /**
-     * North-east and south-west arrow
+     * Northeast and southwest adjustment
      */
     NORTH_EAST_SOUTH_WEST,
 
     /**
-     * North-west and south-east arrow
+     * Northwest and southeast adjustment
      */
     NORTH_WEST_SOUTH_EAST,
 
     /**
-     * Cross
+     * Cross (accurate selection)
      */
     CROSS,
 
     /**
-     * Copy cursor
+     * Copy
      */
     CURSOR_COPY,
 
     /**
-     * Forbid cursor
+     * Forbid
      */
     CURSOR_FORBID,
 
@@ -111,17 +115,17 @@ declare namespace pointer {
     COLOR_SUCKER,
 
     /**
-     * Hand grabbing
+     * Grabbing hand
      */
     HAND_GRABBING,
 
     /**
-     * Hand open
+     * Opening hand
      */
     HAND_OPEN,
 
     /**
-     * Hand pointing
+     * Hand-shaped pointer
      */
     HAND_POINTING,
 
@@ -136,27 +140,27 @@ declare namespace pointer {
     MOVE,
 
     /**
-     * Resize left and right
+     * Left and right resizing
      */
     RESIZE_LEFT_RIGHT,
 
     /**
-     * Resize up and down
+     * Up and down resizing
      */
     RESIZE_UP_DOWN,
 
     /**
-     * Screenshot selection
+     * Screenshot crosshair
      */
     SCREENSHOT_CHOOSE,
 
     /**
-     * Screenshot cursor
+     * Screenshot
      */
     SCREENSHOT_CURSOR,
 
     /**
-     * Text cursor
+     * Text selection
      */
     TEXT_CURSOR,
 
@@ -171,52 +175,52 @@ declare namespace pointer {
     ZOOM_OUT,
 
     /**
-     * East arrow of the middle mouse button
+     * Scrolling east
      */
     MIDDLE_BTN_EAST,
 
     /**
-     * West arrow of the middle mouse button
+     * Scrolling west
      */
     MIDDLE_BTN_WEST,
 
     /**
-     * South arrow of the middle mouse button
+     * Scrolling south
      */
     MIDDLE_BTN_SOUTH,
 
     /**
-     * North arrow of the middle mouse button
+     * Scrolling north
      */
     MIDDLE_BTN_NORTH,
 
     /**
-     * North-south arrow of the middle mouse button
+     * Scrolling north and south
      */
     MIDDLE_BTN_NORTH_SOUTH,
 
     /**
-     * North-east arrow of the middle mouse button
+     * Scrolling northeast
      */
     MIDDLE_BTN_NORTH_EAST,
 
     /**
-     * North-west arrow of the middle mouse button
+     * Scrolling northwest
      */
     MIDDLE_BTN_NORTH_WEST,
 
     /**
-     * South-east arrow of the middle mouse button
+     * Scrolling southeast
      */
     MIDDLE_BTN_SOUTH_EAST,
 
     /**
-     * South-west arrow of the middle mouse button
+     * Scrolling southwest
      */
     MIDDLE_BTN_SOUTH_WEST,
 
     /**
-     * North-west and south-east arrow of the middle mouse button
+     * Moving as a cone in four directions
      */
     MIDDLE_BTN_NORTH_SOUTH_WEST_EAST,
   }
@@ -228,6 +232,7 @@ declare namespace pointer {
    * @systemapi hide for inner use
    * @param speed Pointer moving speed.
    * @param callback Callback used to return the result.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function setPointerSpeed(speed: number, callback: AsyncCallback<void>): void;
 
@@ -238,6 +243,7 @@ declare namespace pointer {
    * @systemapi hide for inner use
    * @param speed Pointer moving speed.
    * @return Returns the result through a promise.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function setPointerSpeed(speed: number): Promise<void>;
 
@@ -247,6 +253,7 @@ declare namespace pointer {
    * @syscap SystemCapability.MultimodalInput.Input.Pointer
    * @systemapi hide for inner use
    * @param callback Callback used to return the result.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function getPointerSpeed(callback: AsyncCallback<number>): void;
 
@@ -266,6 +273,7 @@ declare namespace pointer {
    * @param windowId Window ID.
    * @param pointerStyle Pointer style.
    * @param callback Callback used to return the result.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function setPointerStyle(windowId: number, pointerStyle: PointerStyle, callback: AsyncCallback<void>): void;
 
@@ -276,6 +284,7 @@ declare namespace pointer {
    * @param windowId Window ID.
    * @param pointerStyle Pointer style.
    * @return Returns the result through a promise.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function setPointerStyle(windowId: number, pointerStyle: PointerStyle): Promise<void>;
 
@@ -285,6 +294,7 @@ declare namespace pointer {
    * @syscap SystemCapability.MultimodalInput.Input.Pointer
    * @param windowId Window ID.
    * @param callback Callback used to return the result.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function getPointerStyle(windowId: number, callback: AsyncCallback<PointerStyle>): void;
 
@@ -294,6 +304,7 @@ declare namespace pointer {
    * @syscap SystemCapability.MultimodalInput.Input.Pointer
    * @param windowId Window ID.
    * @return Returns the result through a promise.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function getPointerStyle(windowId: number): Promise<PointerStyle>;
 
@@ -304,8 +315,19 @@ declare namespace pointer {
    * @syscap SystemCapability.MultimodalInput.Input.Pointer
    * @param visible Whether the pointer icon is visible. The value true indicates that the pointer icon is visible,
    * and the value false indicates the opposite.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function setPointerVisible(visible: boolean, callback: AsyncCallback<void>): void;
+
+  /**
+   * Sets whether the pointer icon is visible.
+   *
+   * @since 9
+   * @syscap SystemCapability.MultimodalInput.Input.Pointer
+   * @param visible Whether the pointer icon is visible. The value true indicates that the pointer icon is visible,
+   * and the value false indicates the opposite.
+   * @throws {BusinessError} 401 - Parameter error.
+   */
   function setPointerVisible(visible: boolean): Promise<void>;
 
   /**
@@ -314,8 +336,17 @@ declare namespace pointer {
    * @since 9
    * @syscap SystemCapability.MultimodalInput.Input.Pointer
    * @return Returns <b>true</b> if the pointer icon is visible; returns <b>false</b> otherwise.
+   * @throws {BusinessError} 401 - Parameter error.
    */
   function isPointerVisible(callback: AsyncCallback<boolean>): void;
+
+  /**
+   * Checks whether the pointer icon is visible.
+   *
+   * @since 9
+   * @syscap SystemCapability.MultimodalInput.Input.Pointer
+   * @return Returns <b>true</b> if the pointer icon is visible; returns <b>false</b> otherwise.
+   */
   function isPointerVisible(): Promise<boolean>;
 }
 
diff --git a/api/@ohos.multimodalInput.touchEvent.d.ts b/api/@ohos.multimodalInput.touchEvent.d.ts
index 220172d1b3..bf637da06e 100755
--- a/api/@ohos.multimodalInput.touchEvent.d.ts
+++ b/api/@ohos.multimodalInput.touchEvent.d.ts
@@ -15,12 +15,12 @@
 import { InputEvent } from './@ohos.multimodalInput.inputEvent'
 
 /**
-* Action
-*
-* @since 9
-* @syscap SystemCapability.MultimodalInput.Input.Core
-* @import import {Action} from '@ohos.multimodalInput.touchEvent';
-*/
+ * Action
+ *
+ * @since 9
+ * @syscap SystemCapability.MultimodalInput.Input.Core
+ * @import import {Action} from '@ohos.multimodalInput.touchEvent';
+ */
 export declare enum Action {
   /**
    * Touch cancelled
@@ -44,12 +44,12 @@ export declare enum Action {
 }
 
 /**
-* ToolType
-*
-* @since 9
-* @syscap SystemCapability.MultimodalInput.Input.Core
-* @import import {ToolType} from '@ohos.multimodalInput.touchEvent';
-*/
+ * ToolType
+ *
+ * @since 9
+ * @syscap SystemCapability.MultimodalInput.Input.Core
+ * @import import {ToolType} from '@ohos.multimodalInput.touchEvent';
+ */
 export declare enum ToolType {
   /**
    * Finger
@@ -90,12 +90,12 @@ export declare enum ToolType {
 }
 
 /**
-* SourceType
-*
-* @since 9
-* @syscap SystemCapability.MultimodalInput.Input.Core
-* @import import {SourceType} from '@ohos.multimodalInput.touchEvent';
-*/
+ * SourceType
+ *
+ * @since 9
+ * @syscap SystemCapability.MultimodalInput.Input.Core
+ * @import import {SourceType} from '@ohos.multimodalInput.touchEvent';
+ */
 export declare enum SourceType {
   /**
    * Touchscreen
@@ -114,12 +114,12 @@ export declare enum SourceType {
 }
 
 /**
-* Touch
-*
-* @since 9
-* @syscap SystemCapability.MultimodalInput.Input.Core
-* @import import {Touch} from '@ohos.multimodalInput.touchEvent';
-*/
+ * Touch
+ *
+ * @since 9
+ * @syscap SystemCapability.MultimodalInput.Input.Core
+ * @import import {Touch} from '@ohos.multimodalInput.touchEvent';
+ */
 export declare interface Touch {
   /**
    * Pointer identifier
@@ -213,12 +213,12 @@ export declare interface Touch {
 }
 
 /**
-* TouchEvent
-*
-* @since 9
-* @syscap SystemCapability.MultimodalInput.Input.Core
-* @import import {TouchEvent} from '@ohos.multimodalInput.touchEvent';
-*/
+ * TouchEvent
+ *
+ * @since 9
+ * @syscap SystemCapability.MultimodalInput.Input.Core
+ * @import import {TouchEvent} from '@ohos.multimodalInput.touchEvent';
+ */
 export declare interface TouchEvent extends InputEvent {
   /**
    * Touch action