diff --git a/api/@ohos.web.webview.d.ts b/api/@ohos.web.webview.d.ts
index 1a74c95907ce77338cc78ece59ca40aa0347ad7c..85d78e6da570c6fbc1818c51a81db10c3747007d 100644
--- a/api/@ohos.web.webview.d.ts
+++ b/api/@ohos.web.webview.d.ts
@@ -6620,8 +6620,6 @@ declare namespace webview {
      *
      * @param { string } userAgent - The User-Agent string.
      * @param { Array<string> } hosts - The hosts to which the User-Agent apply.
-     * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
-     * <br>2. Incorrect parameter types. 3. Parameter verification failed.
      * @static
      * @syscap SystemCapability.Web.Webview.Core
      * @since 20