diff --git a/api/phone/@ohos.update.d.ts b/api/phone/@ohos.update.d.ts
index c781062ea3beb670d22d16e770c48516f2570824..0620034b5dd6b219688839ad75fd9a8f9f577281 100644
--- a/api/phone/@ohos.update.d.ts
+++ b/api/phone/@ohos.update.d.ts
@@ -405,6 +405,13 @@ declare namespace update {
         off(eventType: 'downloadProgress', callback?: UpdateProgressCallback): void;
         off(eventType: 'upgradeProgress', callback?: UpdateProgressCallback): void;
         off(eventType: 'verifyProgress', callback?: UpdateProgressCallback): void;
+
+	/**
+         * cancel download packages for the device.
+         *
+         * @since 6
+         */
+        cancel(): void;
     }
 
     export type UpdateTypes =