diff --git a/api/@internal/component/ets/web.d.ts b/api/@internal/component/ets/web.d.ts
index 9705ccca7955acd0585f48d5f1e8b1ae23f33b08..a00c644de167b70c20b681b6803a0dc38ee41802 100755
--- a/api/@internal/component/ets/web.d.ts
+++ b/api/@internal/component/ets/web.d.ts
@@ -698,6 +698,18 @@ declare class WebCookie {
    */
   zoom(factor: number): void;
 
+  /**
+   * Let the Web zoom in.
+   * @since 9
+   */
+   zoomIn(): boolean;
+
+  /**
+   * Let the Web zoom out.
+   * @since 9
+   */
+   zoomOut(): boolean;
+
   /**
    * Clears the history in the Web.
    * @since 8
@@ -762,6 +774,24 @@ declare class WebCookie {
    */
   getHitTest(): HitTestType;
 
+  /**
+   * Gets the id for the current Web.
+   * @since 9
+   */
+  getWebId(): number;
+
+  /**
+   * Gets the title of current Web page.
+   * @since 9
+   */
+  getTitle(): number;
+
+  /**
+   * Gets the content height of current Web page.
+   * @since 9
+   */
+  getPageHeight(): number;
+
   /**
    * Gets the request focus.
    * @since 8
@@ -800,6 +830,12 @@ declare class WebCookie {
    */
   forward();
 
+  /**
+   * Goes forward or back backOrForward in the history of the web page.
+   * @since 9
+   */
+  backOrForward(step: number): void;
+
   /**
    * Gets network cookie manager
    * @since 9
@@ -980,6 +1016,14 @@ declare class WebAttribute extends CommonMethod<WebAttribute> {
    */
   databaseAccess(databaseAccess: boolean): WebAttribute;
 
+  /**
+   * Sets the initial scale for the Web.
+   * @param percent the initial scale for the Web.
+   *
+   * @since 9
+   */
+  initialScale(percent: number): WebAttribute;
+
   /**
    * Sets the Web's user agent.
    * @param userAgent The Web's user agent.
@@ -1169,6 +1213,22 @@ declare class WebAttribute extends CommonMethod<WebAttribute> {
    * @deprecated since 9
    */
   onFileSelectorShow(callback: (event?: { callback: Function, fileSelector: object }) => void): WebAttribute;
+
+  /**
+   * Triggered when the url loading.
+   * @param callback The triggered when the url loading.
+   *
+   * @since 9
+   */
+  onResourceLoad(callback: (event: {url: string}) => void): WebAttribute;
+
+  /**
+   * Triggered when the scale of WebView changed.
+   * @param callback The triggered when the scale of WebView changed.
+   *
+   * @since 9
+   */
+  onScaleChange(callback: (event: {oldScale: number, newScale: number}) => void): WebAttribute;
 }
 
 declare const Web: WebInterface;