diff --git a/api/@ohos.arkui.uiExtension.d.ts b/api/@ohos.arkui.uiExtension.d.ts
index 43440c5094b107c3a9a357b2a9b95cd72d0948dc..835c68b74ba58785b128eb9e4797ae3aadb5480c 100644
--- a/api/@ohos.arkui.uiExtension.d.ts
+++ b/api/@ohos.arkui.uiExtension.d.ts
@@ -88,10 +88,12 @@ declare namespace uiExtension {
     off(type: 'avoidAreaChange', callback?: Callback<AvoidAreaInfo>): void;
 
     /**
-     * Subscribes to the window size change event of the host application.
+     * Subscribes to the component (EmbeddedComponent or UIExtensionComponent) size change event.
      *
-     * @param { 'windowSizeChange' } type - Event type. The value is fixed at 'windowSizeChange', indicating the window size change event.
-     * @param { Callback<window.Size> } callback - Callback used to return the window size.
+     * @param { 'windowSizeChange' } type - Event type. The value is fixed at 'windowSizeChange',
+     *        indicating the component (EmbeddedComponent or UIExtensionComponent) size change event.
+     * @param { Callback<window.Size> } callback - Callback used to return the component (EmbeddedComponent or
+     *        UIExtensionComponent) size.
      * @throws { BusinessError } 401 - Parameter error. Possible causes: 
      * <br> 1. Mandatory parameters are left unspecified.
      * <br> 2. Incorrect parameters types.
@@ -103,10 +105,12 @@ declare namespace uiExtension {
     on(type: 'windowSizeChange', callback: Callback<window.Size>): void;
 
     /**
-     * Unsubscribes from the window size change event of the host application.
+     * Unsubscribes from the component (EmbeddedComponent or UIExtensionComponent) size change event.
      *
-     * @param { 'windowSizeChange' } type - Event type. The value is fixed at 'windowSizeChange', indicating the window size change event.
-     * @param { Callback<window.Size> } callback - Callback used to return the window size.
+     * @param { 'windowSizeChange' } type - Event type. The value is fixed at 'windowSizeChange',
+     *        indicating the component (EmbeddedComponent or UIExtensionComponent) size change event.
+     * @param { Callback<window.Size> } [callback] - Unregister the callback function.
+     *        If not provided, all callbacks for the given event type will be removed.
      * @throws { BusinessError } 401 - Parameter error. Possible causes: 
      * <br> 1. Mandatory parameters are left unspecified.
      * <br> 2. Incorrect parameters types.
diff --git a/api/@ohos.uiExtensionHost.d.ts b/api/@ohos.uiExtensionHost.d.ts
index 12b73d66a13f54ef5433dda6a6e3ba6cf43b5c6a..bf10397911368e14d294d67cece53f947176e827 100644
--- a/api/@ohos.uiExtensionHost.d.ts
+++ b/api/@ohos.uiExtensionHost.d.ts
@@ -82,10 +82,12 @@ declare namespace uiExtensionHost {
     off(type: 'avoidAreaChange', callback?: Callback<{ type: window.AvoidAreaType, area: window.AvoidArea }>): void;
 
     /**
-     * Register the callback of windowSizeChange
+     * Subscribes to the component (EmbeddedComponent or UIExtensionComponent) size change event.
      *
-     * @param { 'windowSizeChange' } type - The value is fixed at 'windowSizeChange', indicating the window size change event.
-     * @param { Callback<window.Size> } callback - Callback used to return the window size.
+     * @param { 'windowSizeChange' } type - The value is fixed at 'windowSizeChange',
+     *        indicating the component (EmbeddedComponent or UIExtensionComponent) size change event.
+     * @param { Callback<window.Size> } callback - Callback used to return the component (EmbeddedComponent or
+     *        UIExtensionComponent) size.
      * @throws { BusinessError } 401 - Parameter error. Possible causes: 
      * <br> 1. Mandatory parameters are left unspecified.
      * <br> 2. Incorrect parameters types.
@@ -97,10 +99,12 @@ declare namespace uiExtensionHost {
     on(type: 'windowSizeChange', callback: Callback<window.Size>): void;
 
     /**
-     * Unregister the callback of windowSizeChange
+     * Unsubscribes from the component (EmbeddedComponent or UIExtensionComponent) size change event.
      *
-     * @param { 'windowSizeChange' } type - The value is fixed at 'windowSizeChange', indicating the window size change event.
-     * @param { Callback<window.Size> } callback - Callback used to return the window size.
+     * @param { 'windowSizeChange' } type - The value is fixed at 'windowSizeChange',
+     *        indicating the component (EmbeddedComponent or UIExtensionComponent) size change event.
+     * @param { Callback<window.Size> } [callback] - Unregister the callback function.
+     *        If not provided, all callbacks for the given event type will be removed.
      * @throws { BusinessError } 401 - Parameter error. Possible causes: 
      * <br> 1. Mandatory parameters are left unspecified.
      * <br> 2. Incorrect parameters types.