diff --git a/api/@internal/component/ets/web.d.ts b/api/@internal/component/ets/web.d.ts
index 10481cf8910ff463d7b2fa4473d3223933963131..fd21cfe94a8a3f6746429c2ed5f9113bfbf771cd 100644
--- a/api/@internal/component/ets/web.d.ts
+++ b/api/@internal/component/ets/web.d.ts
@@ -5767,7 +5767,7 @@ declare interface OnTitleReceiveEvent {
   /**
    * Mark the source of the title. If it is true, the title is derived from the H5 title element;
    * If it is false, it is calculated from the URL. By default, it is calculated from the URL.
-   * 
+   *
    * @type { ?boolean }
    * @syscap SystemCapability.Web.Webview.Core
    * @since 20
@@ -7239,7 +7239,7 @@ declare enum AudioSessionType {
 
 /**
  * PDF page load result
- * 
+ *
  * @enum { number }
  * @syscap SystemCapability.Web.Webview.Core
  * @since 20
@@ -10483,6 +10483,16 @@ declare class WebAttribute extends CommonMethod<WebAttribute> {
    * @since 20
    */
   gestureFocusMode(mode: GestureFocusMode): WebAttribute;
+
+  /**
+   * Sets whether enable auto fill or not.
+   *
+   * @param { boolean } value - Indicates the flag whether autofill is enabled.Default value is true.True: enable, false: disable.
+   * @returns { WebAttribute }
+   * @syscap SystemCapability.Web.Webview.Core
+   * @since 21
+   */
+  enableAutoFill(value: boolean): WebAttribute;
 }
 
 /**