diff --git a/api/@ohos.distributedHardware.mechanicManager.d.ts b/api/@ohos.distributedHardware.mechanicManager.d.ts
index 58456bc01c15a0a6075deaecb96b8870d6a1ad93..562afe69cdc36f26c8f23bb86453c61045fd1643 100644
--- a/api/@ohos.distributedHardware.mechanicManager.d.ts
+++ b/api/@ohos.distributedHardware.mechanicManager.d.ts
@@ -146,9 +146,9 @@ declare namespace mechanicManager {
 
     /**
      * Rotates a mechanical device to the relative angles.
-     * @param { number } mechId ID of the mechanical device.
+     * @param { int } mechId ID of the mechanical device.
      * @param { RotationAngles } angles Relative angles.
-     * @param { number } duration Rotation duration. Unit: millisecond.
+     * @param { int } duration Rotation duration. Unit: millisecond.
      * @returns { Promise<Result> } Promise that return the execution result.
      * @throws { BusinessError } 202 - Not system application.
      * @throws { BusinessError } 33300001 - Service exception.
@@ -158,13 +158,13 @@ declare namespace mechanicManager {
      * @since 20
      */
 
-    function rotate(mechId: number, angles: RotationAngles, duration: number): Promise<Result>;
+    function rotate(mechId: int, angles: RotationAngles, duration: int): Promise<Result>;
 
     /**
      * Rotates a mechanical device to the absolute angles.
-     * @param { number } mechId ID of the mechanical device.
+     * @param { int } mechId ID of the mechanical device.
      * @param { EulerAngles } angles Absolute angles.
-     * @param { number } duration Rotation duration. Unit: millisecond.
+     * @param { int } duration Rotation duration. Unit: millisecond.
      * @returns { Promise<Result> } Promise that return the execution result.
      * @throws { BusinessError } 202 - Not system application.
      * @throws { BusinessError } 33300001 - Service exception.
@@ -174,13 +174,13 @@ declare namespace mechanicManager {
      * @since 20
      */
 
-    function rotateToEulerAngles(mechId: number, angles: EulerAngles, duration: number): Promise<Result>;
+    function rotateToEulerAngles(mechId: int, angles: EulerAngles, duration: int): Promise<Result>;
 
     /**
      * Obtains the maximum continuous rotation duration of a mechanical device.
      *
-     * @param { number } mechId ID of the mechanical device.
-     * @returns { number } Maximum rotation duration. Unit: millisecond.
+     * @param { int } mechId ID of the mechanical device.
+     * @returns { int } Maximum rotation duration. Unit: millisecond.
      * @throws { BusinessError } 202 - Not system application.
      * @throws { BusinessError } 33300001 - Service exception.
      * @throws { BusinessError } 33300002 - Device not connected.
@@ -188,12 +188,12 @@ declare namespace mechanicManager {
      * @systemapi
      * @since 20
      */
-    function getMaxRotationTime(mechId: number): number;
+    function getMaxRotationTime(mechId: int): int;
 
     /**
      * Obtains the maximum rotation speed of a mechanical device.
      *
-     * @param { number } mechId ID of the mechanical device.
+     * @param { int } mechId ID of the mechanical device.
      * @returns { RotationSpeed } Maximum speed. Only the absolute value of the speed is returned.
      * @throws { BusinessError } 202 - Not system application.
      * @throws { BusinessError } 33300001 - Service exception.
@@ -202,13 +202,13 @@ declare namespace mechanicManager {
      * @systemapi
      * @since 20
      */
-    function getMaxRotationSpeed(mechId: number): RotationSpeed;
+    function getMaxRotationSpeed(mechId: int): RotationSpeed;
 
     /**
      * Rotates a mechanical device at the specified speed.
-     * @param { number } mechId ID of the mechanical device.
+     * @param { int } mechId ID of the mechanical device.
      * @param { RotationSpeed } speed Rotation speed.
-     * @param { number } duration Rotation duration. Unit: millisecond.
+     * @param { int } duration Rotation duration. Unit: millisecond.
      * @returns { Promise<Result> } Promise that return the execution result.
      * @throws { BusinessError } 202 - Not system application.
      * @throws { BusinessError } 33300001 - Service exception.
@@ -217,11 +217,11 @@ declare namespace mechanicManager {
      * @systemapi
      * @since 20
      */
-    function rotateBySpeed(mechId: number, speed: RotationSpeed, duration: number): Promise<Result>;
+    function rotateBySpeed(mechId: int, speed: RotationSpeed, duration: int): Promise<Result>;
 
     /**
      * Stops a mechanical device from moving.
-     * @param { number } mechId ID of the mechanical device.
+     * @param { int } mechId ID of the mechanical device.
      * @returns { Promise<void> } Promise that returns no value.
      * @throws { BusinessError } 202 - Not system application.
      * @throws { BusinessError } 33300001 - Service exception.
@@ -230,11 +230,11 @@ declare namespace mechanicManager {
      * @systemapi
      * @since 20
      */
-    function stopMoving(mechId: number): Promise<void>;
+    function stopMoving(mechId: int): Promise<void>;
 
     /**
      * Obtains the current angles of a mechanical device.
-     * @param { number } mechId ID of the mechanical device.
+     * @param { int } mechId ID of the mechanical device.
      * @returns { EulerAngles } Rotation angles.
      * @throws { BusinessError } 202 - Not system application.
      * @throws { BusinessError } 33300001 - Service exception.
@@ -244,12 +244,12 @@ declare namespace mechanicManager {
      * @since 20
      */
 
-    function getCurrentAngles(mechId: number): EulerAngles;
+    function getCurrentAngles(mechId: int): EulerAngles;
 
     /**
      * Obtains the maximum rotation angles relative to the reference point for the specified mechanical device.
      *
-     * @param { number } mechId ID of the mechanical device.
+     * @param { int } mechId ID of the mechanical device.
      * @returns { RotationLimits } Maximum rotation angles.
      * @throws { BusinessError } 202 - Not system application.
      * @throws { BusinessError } 33300001 - Service exception.
@@ -259,11 +259,11 @@ declare namespace mechanicManager {
      * @since 20
      */
 
-    function getRotationLimits(mechId: number): RotationLimits;
+    function getRotationLimits(mechId: int): RotationLimits;
 
     /**
      * Obtains the status of the rotation axes.
-     * @param { number } mechId ID of the mechanical device.
+     * @param { int } mechId ID of the mechanical device.
      * @returns { RotationAxesStatus } Rotation axis status.
      * @throws { BusinessError } 202 - Not system application.
      * @throws { BusinessError } 33300001 - Service exception.
@@ -272,7 +272,7 @@ declare namespace mechanicManager {
      * @systemapi
      * @since 20
      */
-    function getRotationAxesStatus(mechId: number): RotationAxesStatus;
+    function getRotationAxesStatus(mechId: int): RotationAxesStatus;
 
 
     /**
@@ -311,11 +311,11 @@ declare namespace mechanicManager {
     export interface MechInfo {
         /**
          * ID of the mechanical device.
-         * @type { number }
+         * @type { int }
          * @syscap SystemCapability.Mechanic.Core
          * @since 20
          */
-        mechId: number;
+        mechId: int;
 
 
         /**
@@ -346,33 +346,33 @@ declare namespace mechanicManager {
     export interface RotationAngles {
         /**
          * Yaw angle, ranging from -2*Math.PI to 2*Math.PI, measured in radians.
-         * @type { ?number }
+         * @type { ?double }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
 
-        yaw?: number;
+        yaw?: double;
 
         /**
          * Roll angle, ranging from -2*Math.PI to 2*Math.PI, measured in radians.
-         * @type { ?number }
+         * @type { ?double }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
 
-        roll?: number;
+        roll?: double;
 
         /**
          * Pitch angle, ranging from -2*Math.PI to 2*Math.PI, measured in radians.
-         * @type { ?number }
+         * @type { ?double }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
 
-        pitch?: number;
+        pitch?: double;
     }
 
     /**
@@ -386,33 +386,33 @@ declare namespace mechanicManager {
     export interface EulerAngles {
         /**
          * Yaw angle, ranging from -Math.PI to Math.PI, measured in radians.
-         * @type { ?number }
+         * @type { ?double }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
 
-        yaw?: number;
+        yaw?: double;
 
         /**
          * Roll angle, ranging from -Math.PI to Math.PI, measured in radians.
-         * @type { ?number }
+         * @type { ?double }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
 
-        roll?: number;
+        roll?: double;
 
         /**
          * Pitch angle, ranging from -Math.PI to Math.PI, measured in radians.
-         * @type { ?number }
+         * @type { ?double }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
 
-        pitch?: number;
+        pitch?: double;
     }
 
     /**
@@ -427,33 +427,33 @@ declare namespace mechanicManager {
     export interface RotationSpeed {
         /**
          * Yaw speed, measured in radians per second.
-         * @type { ?number }
+         * @type { ?double }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
 
-        yawSpeed?: number;
+        yawSpeed?: double;
 
         /**
          * Roll speed, measured in radians per second.
-         * @type { ?number }
+         * @type { ?double }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
 
-        rollSpeed?: number;
+        rollSpeed?: double;
 
         /**
          * Pitch speed, measured in radians per second.
-         * @type { ?number }
+         * @type { ?double }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
 
-        pitchSpeed?: number;
+        pitchSpeed?: double;
     }
 
 
@@ -469,62 +469,62 @@ declare namespace mechanicManager {
         /**
          * Maximum yaw rotation angles in the negative direction, ranging from -2*Math.PI to 0, measured in radians.
          * If the value is less than or equal to -2*Math.PI, there is no restriction.
-         * @type { number }
+         * @type { double }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
-        negativeYawMax: number;
+        negativeYawMax: double;
 
         /**
          * Maximum yaw rotation angles in the positive direction, ranging from 0 to 2*Math.PI, measured in radians.
          * If the value is greater than or equal to 2*Math.PI, there is no restriction.
-         * @type { number }
+         * @type { double }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
-        positiveYawMax: number;
+        positiveYawMax: double;
 
         /**
          * Maximum roll rotation angles in the negative direction, ranging from -2*Math.PI to 0, measured in radians.
          * If the value is less than or equal to -2*Math.PI, there is no restriction.
-         * @type { number }
+         * @type { double }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
-        negativeRollMax: number;
+        negativeRollMax: double;
 
         /**
          * Maximum roll rotation angles in the positive direction, ranging from 0 to 2*Math.PI, measured in radians.
          * If the value is greater than or equal to 2*Math.PI, there is no restriction.
-         * @type { number }
+         * @type { double }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
-        positiveRollMax: number;
+        positiveRollMax: double;
 
         /**
          * Maximum pitch rotation angles in the negative direction, ranging from -2*Math.PI to 0, measured in radians.
          * If the value is less than or equal to -2*Math.PI, there is no restriction.
-         * @type { number }
+         * @type { double }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
-        negativePitchMax: number;
+        negativePitchMax: double;
 
         /**
          * Maximum pitch rotation angles in the positive direction, ranging from 0 to 2*Math.PI, measured in radians.
          * If the value is greater than or equal to 2*Math.PI, there is no restriction.
-         * @type { number }
+         * @type { double }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
-        positivePitchMax: number;
+        positivePitchMax: double;
     }
 
     /**
@@ -634,12 +634,12 @@ declare namespace mechanicManager {
     export interface RotationAxesStateChangeInfo {
         /**
          * ID of the mechanical device.
-         * @type { number }
+         * @type { int }
          * @syscap SystemCapability.Mechanic.Core
          * @systemapi
          * @since 20
          */
-        mechId: number;
+        mechId: int;
 
         /**
          * Rotate axis status.
@@ -843,14 +843,12 @@ declare namespace mechanicManager {
      * Enumerates the camera tracking layouts.
      * @enum { int }
      * @syscap SystemCapability.Mechanic.Core
-     * @systemapi
      * @since 20
      */
     export enum CameraTrackingLayout {
         /**
          * Default layout.
          * @syscap SystemCapability.Mechanic.Core
-         * @systemapi
          * @since 20
          */
         DEFAULT = 0,
@@ -858,7 +856,6 @@ declare namespace mechanicManager {
         /**
          * Left-side layout.
          * @syscap SystemCapability.Mechanic.Core
-         * @systemapi
          * @since 20
          */
         LEFT = 1,
@@ -866,7 +863,6 @@ declare namespace mechanicManager {
         /**
          * Middle layout.
          * @syscap SystemCapability.Mechanic.Core
-         * @systemapi
          * @since 20
          */
         MIDDLE = 2,
@@ -874,7 +870,6 @@ declare namespace mechanicManager {
         /**
          * Right-side layout.
          * @syscap SystemCapability.Mechanic.Core
-         * @systemapi
          * @since 20
          */
         RIGHT = 3