diff --git a/api/@ohos.web.webview.d.ts b/api/@ohos.web.webview.d.ts
index e814fd8f3..1b76e629d 100644
--- a/api/@ohos.web.webview.d.ts
+++ b/api/@ohos.web.webview.d.ts
@@ -4525,6 +4525,16 @@ declare namespace webview {
      * @since 12
      */
     static clearHostIP(hostName: string): void;
+
+    /**
+     * Warmup the registered service worker associated the url.
+     * @param { string } url - The url.
+     * @throws { BusinessError } 17100002 - Invalid url.
+     * @syscap SystemCapability.Web.Webview.Core
+     * @atomicservice
+     * @since 12
+     */
+    static warmupServiceWorker(url: string): void;
   }
 
   /**
diff --git a/build-tools/api_check_plugin/plugin/dictionaries_supplementary.txt b/build-tools/api_check_plugin/plugin/dictionaries_supplementary.txt
index 102a07f42..cecb80499 100644
--- a/build-tools/api_check_plugin/plugin/dictionaries_supplementary.txt
+++ b/build-tools/api_check_plugin/plugin/dictionaries_supplementary.txt
@@ -991,6 +991,7 @@ wallpapers
 wantagent
 wapi
 wappush
+warmup
 watchers
 waterflow
 wcdma