diff --git a/api/@ohos.arkui.ArcList.d.ts b/api/@ohos.arkui.ArcList.d.ts
index 7f79f569b8985d6c5ef6a5a372e7abbdca81389d..5faa582851cce99f737bffbe69424f2c2bf9ef4c 100755
--- a/api/@ohos.arkui.ArcList.d.ts
+++ b/api/@ohos.arkui.ArcList.d.ts
@@ -22,15 +22,15 @@
  * Called when the start, end and center positions of the display change.
  *
  * @typedef { function } ArcScrollIndexHandler
- * @param { number } start - the start index of the display area.
- * @param { number } end - the end index of the display area.
- * @param { number } center - the center index of the display area.
+ * @param { int } start - the start index of the display area.
+ * @param { int } end - the end index of the display area.
+ * @param { int } center - the center index of the display area.
  * @syscap SystemCapability.ArkUI.ArkUI.Circle
  * @crossplatform
  * @atomicservice
  * @since 18
  */
-declare type ArcScrollIndexHandler = (start: number, end: number, center: number) => void;
+declare type ArcScrollIndexHandler = (start: int, end: int, center: int) => void;
 
 /**
  * Defines the arc list options.
@@ -45,13 +45,13 @@ declare interface ArkListOptions {
   /**
    * Describes the index of initial item, the default value is 0.
    *
-   * @type { ?number }
+   * @type { ?int }
    * @syscap SystemCapability.ArkUI.ArkUI.Circle
    * @crossplatform
    * @atomicservice
    * @since 18
    */
-  initialIndex?: number;
+  initialIndex?: int;
 
   /**
    * Describes the controller for scrollable container.
@@ -194,14 +194,14 @@ export declare class ArcListAttribute extends CommonMethod<ArcListAttribute> {
   /**
    * Set the minimum number of list item caches for long list deferred loading.
    *
-   * @param { Optional<number> } count
+   * @param { Optional<int> } count
    * @returns { ArcListAttribute }
    * @syscap SystemCapability.ArkUI.ArkUI.Circle
    * @crossplatform
    * @atomicservice
    * @since 18
    */
-  cachedCount(count: Optional<number>): ArcListAttribute;
+  cachedCount(count: Optional<int>): ArcListAttribute;
 
   /**
    * Whether to enable chain linkage dynamic effect.
@@ -254,19 +254,19 @@ export declare class ArcListAttribute extends CommonMethod<ArcListAttribute> {
   /**
    * Friction coefficient.
    *
-   * @param { Optional<number> } friction - friction coefficient.
+   * @param { Optional<double> } friction - friction coefficient.
    * @returns { ArcListAttribute }
    * @syscap SystemCapability.ArkUI.ArkUI.Circle
    * @crossplatform
    * @atomicservice
    * @since 18
    */
-  friction(friction: Optional<number>): ArcListAttribute;
+  friction(friction: Optional<double>): ArcListAttribute;
 
   /**
    * Limit the max speed when fling.
    *
-   * @param { Optional<number> } speed - Max fling speed, the value needs to be a positive number, the maximum value is not limited.
+   * @param { Optional<double> } speed - Max fling speed, the value needs to be a positive number, the maximum value is not limited.
    *                             The unit is vp/s.
    * @returns { ArcListAttribute }
    * @syscap SystemCapability.ArkUI.ArkUI.Circle
@@ -274,7 +274,7 @@ export declare class ArcListAttribute extends CommonMethod<ArcListAttribute> {
    * @atomicservice
    * @since 18
    */
-  flingSpeedLimit(speed: Optional<number>): ArcListAttribute;
+  flingSpeedLimit(speed: Optional<double>): ArcListAttribute;
 
   /**
    * Called when the start, end and center positions of the display change.
diff --git a/api/arkui/component/list.static.d.ets b/api/arkui/component/list.static.d.ets
index ad2b22a9b8c4368113ce2242627f52833e1799c2..7662d2e2723b3ebf76bd5e2c646e006be8412f5d 100644
--- a/api/arkui/component/list.static.d.ets
+++ b/api/arkui/component/list.static.d.ets
@@ -27,7 +27,7 @@ import { AttributeModifier, CommonMethod } from "./common";
 /**
  * Declare scroll status
  *
- * @enum { number }
+ * @enum { int }
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @since 20
  */
@@ -59,7 +59,7 @@ export declare enum ScrollState {
 /**
  * Declare list item alignment status
  *
- * @enum { number }
+ * @enum { int }
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @since 20
  */
@@ -89,7 +89,7 @@ export declare enum ListItemAlign {
 /**
  * Declare list item group area
  *
- * @enum { number }
+ * @enum { int }
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @since 20
  */
@@ -126,7 +126,7 @@ export declare enum ListItemGroupArea {
 /**
  * Declare item group sticky style.
  *
- * @enum { number }
+ * @enum { int }
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @since 20
  */
@@ -159,7 +159,7 @@ export declare enum StickyStyle {
 /**
  * Declare edge effect of chain animation.
  *
- * @enum { number }
+ * @enum { int }
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @systemapi
  * @since 20
@@ -186,7 +186,7 @@ export declare enum ChainEdgeEffect {
 /**
  * Declare limited position when scroll end.
  *
- * @enum { number }
+ * @enum { int }
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @since 20
  */
@@ -265,23 +265,23 @@ export declare interface ChainAnimationOptions {
     /**
      * Conductivity of chain animation.
      *
-     * @type { ?number }
+     * @type { ?double }
      * @default 0.7
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @systemapi
      * @since 20
      */
-    conductivity?: number;
+    conductivity?: double;
     /**
      * Intensity of chain animation.
      *
-     * @type { ?number }
+     * @type { ?double }
      * @default 0.3
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @systemapi
      * @since 20
      */
-    intensity?: number;
+    intensity?: double;
     /**
      * Edge effect of chain animation.
      *
@@ -295,23 +295,23 @@ export declare interface ChainAnimationOptions {
     /**
      * Stiffness of chain spring.
      *
-     * @type { ?number }
+     * @type { ?double }
      * @default 228
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @systemapi
      * @since 20
      */
-    stiffness?: number;
+    stiffness?: double;
     /**
      * Damping of chain spring.
      *
-     * @type { ?number }
+     * @type { ?double }
      * @default 30
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @systemapi
      * @since 20
      */
-    damping?: number;
+    damping?: double;
 }
 /**
  * Defines the close swipe action options.
@@ -341,11 +341,11 @@ export declare interface VisibleListContentInfo {
     /**
      * Index of the list item or list item group in the list display area.
      *
-     * @type { number }
+     * @type { int }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    index: number;
+    index: int;
     /**
      * Position of the top or bottom edge of the viewport in the
      * list item group to which the edge is located, if applicable.
@@ -359,11 +359,11 @@ export declare interface VisibleListContentInfo {
      * Index of the starting or ending list item in the list
      * item group to which the top or bottom edge of the viewport is located.
      *
-     * @type { ?number }
+     * @type { ?int }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    itemIndexInGroup?: number;
+    itemIndexInGroup?: int;
 }
 /**
  * Called when a child component enters or leaves the list display area.
@@ -394,8 +394,8 @@ export declare class ListScroller extends Scroller {
      * <br>- When <em>index</em> or <em>indexInGroup</em> is set to an invalid value, the returned size and position are both <em>0</em>.
      * </p>
      *
-     * @param { number } index - Index of the list item group in the list.
-     * @param { number } indexInGroup - Index of the list item in the list item group.
+     * @param { int } index - Index of the list item group in the list.
+     * @param { int } indexInGroup - Index of the list item in the list item group.
      * @returns { RectResult } - Size of the list item in the list item group and its position relative to the list.
      * @throws { BusinessError } 401 - Parameter error. Possible causes:
      * <br> 1. Mandatory parameters are left unspecified.
@@ -405,15 +405,15 @@ export declare class ListScroller extends Scroller {
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    getItemRectInGroup(index: number, indexInGroup: number): RectResult;
+    getItemRectInGroup(index: int, indexInGroup: int): RectResult;
     /**
      * Scrolls to the specified list item in the specified list item group.
      *
-     * @param { number } index - Index of the target list item group in the current container.
+     * @param { int } index - Index of the target list item group in the current container.
      * <br><em>NOTE</em>
      * <br>If the value set is a negative value or greater than the maximum index of the items in the container,
      * the value is deemed abnormal, and no scrolling will be performed.
-     * @param { number } indexInGroup - Index of the target list item in the list item group specified by <em>index</em>.
+     * @param { int } indexInGroup - Index of the target list item in the list item group specified by <em>index</em>.
      * <br><em>NOTE</em>
      * <br>If the value set is a negative value or greater than the maximum index of the items in the list item group,
      * the value is deemed abnormal, and no scrolling will be performed.
@@ -428,7 +428,7 @@ export declare class ListScroller extends Scroller {
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    scrollToItemInGroup(index: number, indexInGroup: number, smooth?: boolean, align?: ScrollAlign): void;
+    scrollToItemInGroup(index: int, indexInGroup: int, smooth?: boolean, align?: ScrollAlign): void;
     /**
      * Collapses the list items in the EXPANDED state and sets callback events.
      *
@@ -455,8 +455,8 @@ export declare class ListScroller extends Scroller {
      * and both <em>itemGroupArea</em> and <em>itemIndexInGroup</em> are <em>undefined</em>.
      * </p>
      *
-     * @param { number } x - X-coordinate, in vp.
-     * @param { number } y - Y-coordinate, in vp.
+     * @param { double } x - X-coordinate, in vp.
+     * @param { double } y - Y-coordinate, in vp.
      * @returns { VisibleListContentInfo } Index information of the child component at the specified coordinates.
      * @throws { BusinessError } 401 - Parameter error. Possible causes:
      * <br> 1. Mandatory parameters are left unspecified.
@@ -466,7 +466,7 @@ export declare class ListScroller extends Scroller {
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    getVisibleListContentInfo(x: number, y: number): VisibleListContentInfo;
+    getVisibleListContentInfo(x: double, y: double): VisibleListContentInfo;
 }
 /**
  * Defines the options of the <em>List</em> component.
@@ -489,12 +489,12 @@ export interface ListOptions {
      * the value is invalid. In this case, the default value will be used.
      * </p>
      *
-     * @type { ?number }
+     * @type { ?int }
      * @default 0
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    initialIndex?: number;
+    initialIndex?: int;
     /**
      * Spacing between list items along the main axis.
      * Anonymous Object Rectification.
@@ -505,12 +505,12 @@ export interface ListOptions {
      * <br> Child components of <em>List</em> whose <em>visibility</em> attribute is set to <em>None</em> are not displayed, but the spacing above and below them still takes effect.
      * </p>
      *
-     * @type { ?(number | string) }
+     * @type { ?(double | string) }
      * @default 0
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    space?: number | string;
+    space?: double | string;
     /**
      * Scroller, which can be bound to scrollable components.
      * Anonymous Object Rectification.
@@ -586,13 +586,13 @@ export declare interface ListAttribute extends ScrollableCommonMethod {
      * Sets the number of columns or rows in the list. If the value is set to the gutter type, it indicates the gap between columns.
      * It takes effect when the number of columns is greater than 1.
      *
-     * @param { number | LengthConstrain | undefined } value - Number of columns or rows in the list.<br>Default value: <em>1</em>
+     * @param { int | LengthConstrain | undefined } value - Number of columns or rows in the list.<br>Default value: <em>1</em>
      * @param { Dimension | undefined } [gutter] - Gap between columns.<br>Default value: <em>0</em>
      * @returns { this }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    default lanes(value: number | LengthConstrain | undefined, gutter?: Dimension | undefined): this;
+    default lanes(value: int | LengthConstrain | undefined, gutter?: Dimension | undefined): this;
     /**
      * Alignment mode of list items along the cross axis when the cross-axis width of the list is greater
      * than the cross-axis width of list items multiplied by the value of lanes.
@@ -614,23 +614,23 @@ export declare interface ListAttribute extends ScrollableCommonMethod {
     default listDirection(value: Axis | undefined): this;
     /**
      * Sets the offset from the start of the list content to the boundary of the list display area.
-     * @param { number | undefined } value - Offset from the start of the list content to the boundary of the list display
+     * @param { double | undefined } value - Offset from the start of the list content to the boundary of the list display
      * <br>Default value: <em>0</em>
      * @returns { this } the attribute of the list.
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    default contentStartOffset(value: number | undefined): this;
+    default contentStartOffset(value: double | undefined): this;
     /**
      * Sets the offset from the end of the list content to the boundary of the list display area.
      *
-     * @param { number | undefined } value - Offset from the end of the list content to the boundary of the list display area.
+     * @param { double | undefined } value - Offset from the end of the list content to the boundary of the list display area.
      * <br>Default value: <em>0</em>
      * @returns { this } the attribute of the list.
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    default contentEndOffset(value: number | undefined): this;
+    default contentEndOffset(value: double | undefined): this;
     /**
      * Sets the style of the divider for the list items. By default, there is no divider.
      * Anonymous Object Rectification.
@@ -655,18 +655,18 @@ export declare interface ListAttribute extends ScrollableCommonMethod {
     /**
      * Called when the minimum number of list item caches is set for long list deferred loading.
      *
-     * @param { number | undefined } value - Number of list items to be preloaded.
+     * @param { int | undefined } value - Number of list items to be preloaded.
      * <br>Default value: number of nodes visible on the screen, with the maximum value of 16
      * <br>Value range: [0, +∞)
      * @returns { this }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    default cachedCount(value: number | undefined): this;
+    default cachedCount(value: int | undefined): this;
     /**
      * Sets the number of list items or list item groups to be cached (preloaded) and specifies whether to display the preloaded nodes.
      *
-     * @param { number | undefined } count - Number of list items to be preloaded.
+     * @param { int | undefined } count - Number of list items to be preloaded.
      * <br>Default value: number of nodes visible on the screen, with the maximum value of 16
      * <br>Value range: [0, +∞)
      * @param { boolean | undefined } show - Whether to display the preloaded list items.<br> Default value: <em>false</em>
@@ -674,7 +674,7 @@ export declare interface ListAttribute extends ScrollableCommonMethod {
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    default cachedCount(count: number | undefined, show: boolean | undefined): this;
+    default cachedCount(count: int | undefined, show: boolean | undefined): this;
     /**
      * Sets whether to enable chained animations, which provide a visually connected,
      * or "chained," effect when the list is scrolled or its top or bottom edge is dragged.
@@ -779,7 +779,7 @@ export declare interface ListAttribute extends ScrollableCommonMethod {
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    default onScrollIndex(event: ((start: number, end: number, center: number) => void) | undefined): this;
+    default onScrollIndex(event: ((start: int, end: int, center: int) => void) | undefined): this;
     /**
      * Triggered when a child component enters or leaves the list display area.
      *
@@ -797,7 +797,7 @@ export declare interface ListAttribute extends ScrollableCommonMethod {
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    default onItemMove(event: ((from: number, to: number) => boolean) | undefined): this;
+    default onItemMove(event: ((from: int, to: int) => boolean) | undefined): this;
     /**
      * After a listener is bound, the component can be dragged. After the drag occurs, a callback is triggered.
      * (To be triggered, press and hold for 170 milliseconds (ms))
@@ -825,7 +825,7 @@ export declare interface ListAttribute extends ScrollableCommonMethod {
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    default onItemDragMove(event: ((event: ItemDragInfo, itemIndex: number, insertIndex: number) => void) | undefined): this;
+    default onItemDragMove(event: ((event: ItemDragInfo, itemIndex: int, insertIndex: int) => void) | undefined): this;
     /**
      * Triggered when the dragged item leaves the drop target of the list.
      *
@@ -834,7 +834,7 @@ export declare interface ListAttribute extends ScrollableCommonMethod {
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    default onItemDragLeave(event: ((event: ItemDragInfo, itemIndex: number) => void) | undefined): this;
+    default onItemDragLeave(event: ((event: ItemDragInfo, itemIndex: int) => void) | undefined): this;
     /**
      * Triggered when the dragged item is dropped on the drop target of the list.
      *
@@ -843,7 +843,7 @@ export declare interface ListAttribute extends ScrollableCommonMethod {
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    default onItemDrop(event: ((event: ItemDragInfo, itemIndex: number, insertIndex: number, isSuccess: boolean) => void) | undefined): this;
+    default onItemDrop(event: ((event: ItemDragInfo, itemIndex: int, insertIndex: int, isSuccess: boolean) => void) | undefined): this;
     /**
      * Called when scrolling begin each frame.
      * Anonymous Object Rectification.
diff --git a/api/arkui/component/listItem.static.d.ets b/api/arkui/component/listItem.static.d.ets
index 9bbee82e1ffdc23c6cc5877f5017db27733d7809..c7393dab681e45bb0c5c702cdd0087a05735f20d 100644
--- a/api/arkui/component/listItem.static.d.ets
+++ b/api/arkui/component/listItem.static.d.ets
@@ -27,7 +27,7 @@ import { AttributeModifier, CommonMethod } from "./common";
 /**
  * Sliding effect
  *
- * @enum { number }
+ * @enum { int }
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @since 20
  */
@@ -50,7 +50,7 @@ export declare enum SwipeEdgeEffect {
 /**
  * Declare enum SwipeActionState.
  *
- * @enum { number }
+ * @enum { int }
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @since 20
  */
@@ -192,12 +192,12 @@ export declare interface SwipeActionOptions {
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    onOffsetChange?: (offset: number) => void;
+    onOffsetChange?: (offset: double) => void;
 }
 /**
  * Defines the list item style.
  *
- * @enum { number }
+ * @enum { int }
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @since 20
  */
diff --git a/api/arkui/component/listItemGroup.static.d.ets b/api/arkui/component/listItemGroup.static.d.ets
index 10dfda2eb4066720a0cf066ef1821d6431cd2915..15ace4a1be3b4ac38bf7a3a482112974b76f1ce2 100644
--- a/api/arkui/component/listItemGroup.static.d.ets
+++ b/api/arkui/component/listItemGroup.static.d.ets
@@ -27,7 +27,7 @@ import { AttributeModifier, CommonMethod } from "./common";
 /**
  * Defines the list item group style.
  *
- * @enum { number }
+ * @enum { int }
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @since 20
  */
@@ -90,11 +90,11 @@ export declare interface ListItemGroupOptions {
     /**
      * Describes the ListItemGroup space.
      *
-     * @type { ?(number | string) }
+     * @type { ?(double | string) }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    space?: number | string;
+    space?: double | string;
     /**
      * Describes the ListItemGroup style.
      *
diff --git a/api/arkui/component/scroll.static.d.ets b/api/arkui/component/scroll.static.d.ets
index cdbbf6ccf2880411f69d511dd2b18a6255448712..74fa5f112b5c643772a6e667daa40422bba49e27 100644
--- a/api/arkui/component/scroll.static.d.ets
+++ b/api/arkui/component/scroll.static.d.ets
@@ -27,7 +27,7 @@ import { AttributeModifier, CommonMethod } from "./common";
 /**
  * Enumerates the scrolling directions.
  *
- * @enum { number }
+ * @enum { int }
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @since 20
  */
@@ -57,7 +57,7 @@ export declare enum ScrollDirection {
 /**
  * Enumerates alignment modes.
  *
- * @enum { number } ScrollAlign
+ * @enum { int } ScrollAlign
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @since 20
  */
@@ -102,19 +102,19 @@ export declare interface OffsetResult {
     /**
      * Horizontal scrolling offset.
      *
-     * @type { number }
+     * @type { double }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    xOffset: number;
+    xOffset: double;
     /**
      * Vertical scrolling offset.
      *
-     * @type { number }
+     * @type { double }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    yOffset: number;
+    yOffset: double;
 }
 /**
  * Provides parameters for scrolling to the edge of a scrollable container.
@@ -128,12 +128,12 @@ export declare interface ScrollEdgeOptions {
      * Fixed velocity for scrolling to the edge of the container.
      * If the value specified is less than or equal to 0, the parameter will not take effect.
      *
-     * @type { ?number }
+     * @type { ?double }
      * @default 0vp/s
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    velocity?: number;
+    velocity?: double;
 }
 /**
  * Provides parameters for scrolling to a specific index.
@@ -167,12 +167,12 @@ export declare interface ScrollAnimationOptions {
      * <br>A value less than 0 evaluates to the default value.
      * </p>
      *
-     * @type { ?number }
+     * @type { ?int }
      * @default 1000
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    duration?: number;
+    duration?: int;
     /**
      * Scrolling curve.
      *
@@ -269,7 +269,7 @@ export declare class Scroller {
     /**
      * Performs inertial scrolling based on the initial velocity passed in.
      *
-     * @param { number } velocity - Initial velocity of inertial scrolling. Unit: vp/s
+     * @param { double } velocity - Initial velocity of inertial scrolling. Unit: vp/s
      * <br><em>NOTE</em>
      * <br>If the value specified is 0, it is considered as invalid, and the scrolling for this instance will not take effect.
      * A positive value indicates scrolling towards the top, while a negative value indicates scrolling towards the bottom.
@@ -281,7 +281,7 @@ export declare class Scroller {
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    fling(velocity: number): void;
+    fling(velocity: double): void;
     /**
      * Called when page turning mode is set.
      *
@@ -301,14 +301,14 @@ export declare class Scroller {
     /**
      * Scroll to the specified index.
      *
-     * @param { number } value - Index to jump to.
+     * @param { int } value - Index to jump to.
      * @param { boolean } [smooth] - If true, scroll to index item with animation. If false, scroll to index item without animation.
      * @param { ScrollAlign } [align] - Sets the alignment mode of a specified index.
      * @param { ScrollToIndexOptions } [options] - Sets the options of a specified index, such as extra offset.
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    scrollToIndex(value: number, smooth?: boolean, align?: ScrollAlign, options?: ScrollToIndexOptions): void;
+    scrollToIndex(value: int, smooth?: boolean, align?: ScrollAlign, options?: ScrollToIndexOptions): void;
     /**
      * Called when the setting slides by offset.
      *
@@ -340,7 +340,7 @@ export declare class Scroller {
      * the value is considered invalid.
      * </p>
      *
-     * @param { number } index - Index of the target child component.
+     * @param { int } index - Index of the target child component.
      * @returns { RectResult } Returns the size and position.
      * @throws { BusinessError } 401 - Parameter error. Possible causes:
      * <br> 1. Mandatory parameters are left unspecified.
@@ -350,7 +350,7 @@ export declare class Scroller {
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    getItemRect(index: number): RectResult;
+    getItemRect(index: int): RectResult;
     /**
      * Obtains the index of a child component based on coordinates.
      *
@@ -358,9 +358,9 @@ export declare class Scroller {
      * <br>The returned index is <em>-1</em> for invalid coordinates.
      * </p>
      *
-     * @param { number } x - X-coordinate, in vp.
-     * @param { number } y - Y-coordinate, in vp.
-     * @returns { number } Index of the item.
+     * @param { double } x - X-coordinate, in vp.
+     * @param { double } y - Y-coordinate, in vp.
+     * @returns { int } Index of the item.
      * @throws { BusinessError } 401 - Parameter error. Possible causes:
      * <br> 1. Mandatory parameters are left unspecified.
      * <br> 2. Incorrect parameters types.
@@ -369,7 +369,7 @@ export declare class Scroller {
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    getItemIndex(x: number, y: number): number;
+    getItemIndex(x: double, y: double): int;
 }
 /**
  * Provides parameters for scrolling to a specific position in a scrollable container.
@@ -391,11 +391,11 @@ export declare interface ScrollOptions {
      * <br>This parameter takes effect only when the scroll axis is the x-axis.
      * </p>
      *
-     * @type { number | string }
+     * @type { double | string }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    xOffset: number | string;
+    xOffset: double | string;
     /**
      * Vertical scrolling offset.
      * Anonymous Object Rectification.
@@ -408,11 +408,11 @@ export declare interface ScrollOptions {
      * <br>This parameter takes effect only when the scroll axis is the y-axis.
      * </p>
      *
-     * @type { number | string }
+     * @type { double | string }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    yOffset: number | string;
+    yOffset: double | string;
     /**
      * Animation configuration
      * Anonymous Object Rectification.
@@ -544,23 +544,23 @@ export interface OnScrollFrameBeginHandlerResult {
      * Actual scroll offset.
      * Anonymous Object Rectification.
      *
-     * @type { number }
+     * @type { double }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    offsetRemain: number;
+    offsetRemain: double;
 }
 /**
  * Represents the callback triggered before each frame scrolling starts.
  *
  * @typedef { function } OnScrollFrameBeginCallback
- * @param { number } offset - Amount to scroll by, in vp.
+ * @param { double } offset - Amount to scroll by, in vp.
  * @param { ScrollState } state - Current scroll state.
  * @returns { OnScrollFrameBeginHandlerResult } data - the scroll data return by handler
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @since 20
  */
-export type OnScrollFrameBeginCallback = (offset: number, state: ScrollState) => OnScrollFrameBeginHandlerResult;
+export type OnScrollFrameBeginCallback = (offset: double, state: ScrollState) => OnScrollFrameBeginHandlerResult;
 
 /**
  * The ScrollAttribute
@@ -671,21 +671,21 @@ export declare interface ScrollAttribute extends ScrollableCommonMethod {
     /**
      * Sets the scrollbar color.
      *
-     * @param { Color | number | string | undefined } color - Scrollbar color.<br>Default value: <em>'\#182431'</em> (40% opacity)
+     * @param { Color | int | string | undefined } color - Scrollbar color.<br>Default value: <em>'\#182431'</em> (40% opacity)
      * @returns { this }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    default scrollBarColor(color: Color | number | string | undefined): this;
+    default scrollBarColor(color: Color | int | string | undefined): this;
     /**
      * Sets the scrollbar width.
      *
-     * @param { number | string | undefined } value - Scrollbar width.<br>Default value: <em>4</em> <br>Unit: vp
+     * @param { double | string | undefined } value - Scrollbar width.<br>Default value: <em>4</em> <br>Unit: vp
      * @returns { this }
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    default scrollBarWidth(value: number | string | undefined): this;
+    default scrollBarWidth(value: double | string | undefined): this;
     /**
      * Sets the effect used when the scroll boundary is reached.
      *
@@ -735,7 +735,7 @@ export declare interface ScrollAttribute extends ScrollableCommonMethod {
      * it affects only indirectly the scroll chaining during the inertial scrolling process.
      * If this attribute is set to a value less than or equal to 0, the default value is used.
      *
-     * @param { number | Resource | undefined } value - Friction coefficient.
+     * @param { double | Resource | undefined } value - Friction coefficient.
      * <br>Default value: <em>0.9</em> for wearable devices and <em>0.6</em> for non-wearable devices
      * <br>Since API version 11, the default value for non-wearable devices is <em>0.7</em>.
      * <br>Since API version 12, the default value for non-wearable devices is <em>0.75</em>.
@@ -743,7 +743,7 @@ export declare interface ScrollAttribute extends ScrollableCommonMethod {
      * @syscap SystemCapability.ArkUI.ArkUI.Full
      * @since 20
      */
-    default friction(value: number | Resource | undefined): this;
+    default friction(value: double | Resource | undefined): this;
     /**
      * Sets the scroll snapping mode.
      *
@@ -794,23 +794,23 @@ export declare interface ScrollAttribute extends ScrollableCommonMethod {
  * </p>
  *
  * @typedef { function } ScrollOnScrollCallback
- * @param { number } xOffset - Horizontal offset per frame during scrolling. A positive offset indicates scrolling to the left,
+ * @param { double } xOffset - Horizontal offset per frame during scrolling. A positive offset indicates scrolling to the left,
  * and a negative offset indicates scrolling to the right.
  * <br>Unit: vp
- * @param { number } yOffset - Vertical offset per frame during scrolling.
+ * @param { double } yOffset - Vertical offset per frame during scrolling.
  * A positive offset indicates scrolling upward, and a negative offset indicates scrolling downward.
  * <br>Unit: vp
  * @param { ScrollState } scrollState - Current scrolling state.
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @since 20
  */
-export type ScrollOnScrollCallback = (xOffset: number, yOffset: number, scrollState: ScrollState) => void;
+export type ScrollOnScrollCallback = (xOffset: double, yOffset: double, scrollState: ScrollState) => void;
 /**
  * Called before scroll to allow developer to control real offset the Scroll can scroll.
  *
  * @typedef { function } ScrollOnWillScrollCallback
- * @param { number } xOffset - horizontal offset this frame will scroll, which may or may not be reached.
- * @param { number } yOffset - vertical offset this frame will scroll, which may or may not be reached.
+ * @param { double } xOffset - horizontal offset this frame will scroll, which may or may not be reached.
+ * @param { double } yOffset - vertical offset this frame will scroll, which may or may not be reached.
  * @param { ScrollState } scrollState - current scroll state.
  * @param { ScrollSource } scrollSource - source of current scroll.
  * @returns { undefined | OffsetResult } the remain offset for the Scroll,
@@ -818,7 +818,7 @@ export type ScrollOnScrollCallback = (xOffset: number, yOffset: number, scrollSt
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @since 20
  */
-export type ScrollOnWillScrollCallback = (xOffset: number, yOffset: number, scrollState: ScrollState, scrollSource: ScrollSource) => undefined | OffsetResult;
+export type ScrollOnWillScrollCallback = (xOffset: double, yOffset: double, scrollState: ScrollState, scrollSource: ScrollSource) => undefined | OffsetResult;
 
 /**
  * Defines Scroll Component.
diff --git a/api/arkui/component/scrollBar.static.d.ets b/api/arkui/component/scrollBar.static.d.ets
index 0a9330a156d789eb9d7d35f5c94b56b81c57322d..64f85404790bf11c770ab4b316611272276aad9a 100644
--- a/api/arkui/component/scrollBar.static.d.ets
+++ b/api/arkui/component/scrollBar.static.d.ets
@@ -26,7 +26,7 @@ import { AttributeModifier, CommonMethod } from "./common";
 /**
  * Content scroll direction.
  *
- * @enum { number }
+ * @enum { int }
  * @syscap SystemCapability.ArkUI.ArkUI.Full
  * @since 20
  */