diff --git a/api/@internal/component/ets/web.d.ts b/api/@internal/component/ets/web.d.ts
index ade286994b58bc024a16e978fd7393d343935965..3ea26f44fac7317b4b879be5d7067a0bfd7bacdb 100644
--- a/api/@internal/component/ets/web.d.ts
+++ b/api/@internal/component/ets/web.d.ts
@@ -4656,6 +4656,27 @@ declare class WebController {
   getCookieManager(): WebCookie;
 }
 
+    /**
+     * Enum type indicates the web standard api.
+     * @enum { number }
+     * @syscap SystemCapability.Web.Webview.Core
+     * @since 20
+     */
+declare enum StandardWebAPIType {
+    /**
+     * This is the window.screen.availWidth interface.
+     * @syscap SystemCapability.Web.Webview.Core
+     * @since 20
+     */
+    SCREEN_AVAIL_WIDTH,
+    /**
+     * This is the window.screen.availHeight interface.
+     * @syscap SystemCapability.Web.Webview.Core
+     * @since 20
+     */
+    SCREEN_AVAIL_HEIGHT
+}
+
 /**
  * Defines the Web options.
  *
@@ -4801,6 +4822,14 @@ declare interface WebOptions {
    * @since 12
    */
   sharedRenderProcessToken? : string;
+    /**
+     * Sets the web standard api follow w3c standard.
+     *
+     * @type { ?Array<StandardWebAPIType> }
+     * @syscap SystemCapability.Web.Webview.Core
+     * @since 20
+     */
+    standardWebAPI?: Array<StandardWebAPIType>
 }
 
 /**