diff --git a/api/@ohos.web.webview.d.ts b/api/@ohos.web.webview.d.ts
index 34aa1f5ccc0965f7792e101970ac34dab7edfe56..b5102a34120b88dffa54b4c90d3096380675025f 100644
--- a/api/@ohos.web.webview.d.ts
+++ b/api/@ohos.web.webview.d.ts
@@ -6647,6 +6647,7 @@ declare namespace webview {
      * <br>When avoidHeight is out of the valid interval, it takes the boundary value of the interval.
      * @throws { BusinessError } 17100001 - Init error.
      *                           The WebviewController must be associated with a Web component.
+     * @throws { BusinessError } 801 - Capability not supported.
      * @syscap SystemCapability.Web.Webview.Core
      * @since 20
      */