diff --git a/api/@internal/component/ets/web.d.ts b/api/@internal/component/ets/web.d.ts
index eba8d735d8b74d80ed9e5768f720a8041bde501f..8d7f348399d9f1aefc3c363a17d8caa4b5d266ca 100755
--- a/api/@internal/component/ets/web.d.ts
+++ b/api/@internal/component/ets/web.d.ts
@@ -735,7 +735,7 @@ declare class WebAttribute extends CommonMethod<WebAttribute> {
    * @param callback The triggered function when the web page wants to confirm navigation from JavaScript onbeforeunload.
    * @since 8
    */
-  onBeforeUnload(callback: (event?: { message: string; result: JsResult }) => boolean): WebAttribute;
+  onBeforeUnload(callback: (event?: { url: string; message: string; result: JsResult }) => boolean): WebAttribute;
 
   /**
    * Triggered when the web page wants to display a JavaScript confirm() dialog.