diff --git a/api/@ohos.web.webview.d.ts b/api/@ohos.web.webview.d.ts
index ba83ec31ec8820b69037162e42008a37c2a80d5f..7a34b5def738e9a968548477c8566605d8dfae43 100644
--- a/api/@ohos.web.webview.d.ts
+++ b/api/@ohos.web.webview.d.ts
@@ -5562,6 +5562,25 @@ declare namespace webview {
      * @since 12
      */
     static customizeSchemes(schemes: Array<WebCustomScheme>): void;
+    /**
+     * Register Web custom schemes.
+     * 
+     * @param { Array<WebCustomScheme> } schemes - Configuration of web custom scheme.
+     * @param { boolean } lazyInitWebEngine - When true: The interface internally skips initializing WebEngine and
+     *     temporarily stores the registered schemes, which will be passed to WebEngine when it actually
+     *     initializes. When false: The interface automatically performs WebEngine initialization internally.
+     * @throws { BusinessError } 17100020 - Failed to register custom schemes.
+     * @throws { BusinessError } 401 - Parameter error. Possible causes:
+     *     1. The length of the schemes array is greater than 10.
+     *     2. The character length of the scheme is greater than 32.
+     *     3. The character in the scheme is not within the allowed range of lowercase English letters, numbers,
+     *     and the symbols ".", "+", "-".
+     * @static
+     * @syscap SystemCapability.Web.Webview.Core
+     * @atomicservice
+     * @since 21 dynamic&static
+     */
+    static customizeSchemes(schemes: Array<WebCustomScheme>, lazyInitWebEngine: boolean): void;
 
     /**
      * Get certificate for the current website.