diff --git a/api/@ohos.file.cloudSync.d.ts b/api/@ohos.file.cloudSync.d.ts
index 04e7c17c0fa14b580dc6d8e200c001a1e546b507..e2afe847c59ec6d1307878dcbfbc6ae84f0285fc 100644
--- a/api/@ohos.file.cloudSync.d.ts
+++ b/api/@ohos.file.cloudSync.d.ts
@@ -241,8 +241,7 @@ declare namespace cloudSync {
      * @throws { BusinessError } 13600001 - IPC error
      * @syscap SystemCapability.FileManagement.DistributedFileService.CloudSync.Core
      * @systemapi
-     * @since arkts{ '1.1':'10','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 10
      */
     off(evt: 'progress', callback: (pg: SyncProgress) => void): void;
     /**
@@ -257,10 +256,47 @@ declare namespace cloudSync {
      * @throws { BusinessError } 13600001 - IPC error
      * @syscap SystemCapability.FileManagement.DistributedFileService.CloudSync.Core
      * @systemapi
-     * @since arkts{ '1.1':'10','1.2':'20'}
-     * @arkts 1.1&1.2
+     * @since 10
      */
     off(evt: 'progress'): void;
+    /**
+     * @since 20
+     * @arkts 1.2
+     */
+    overload off { offWithEvtCallback, offWithEvt };
+    /**
+     * Unsubscribes from sync progress event.
+     *
+     * @permission ohos.permission.CLOUDFILE_SYNC
+     * @param { 'progress' } evt - event type.
+     * @param { function } callback - callback function with a `SyncProgress` argument.
+     * @throws { BusinessError } 201 - Permission verification failed.
+     * @throws { BusinessError } 202 - The caller is not a system application.
+     * @throws { BusinessError } 401 - The input parameter is invalid.Possible causes:1.Mandatory parameters are left unspecified;
+     * <br>2.Incorrect parameter types.
+     * @throws { BusinessError } 13600001 - IPC error
+     * @syscap SystemCapability.FileManagement.DistributedFileService.CloudSync.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offWithEvtCallback(evt: 'progress', callback: (pg: SyncProgress) => void): void;
+    /**
+     * Unsubscribes all callbacks objects from sync progress event.
+     *
+     * @permission ohos.permission.CLOUDFILE_SYNC
+     * @param { 'progress' } evt - event type.
+     * @throws { BusinessError } 201 - Permission verification failed.
+     * @throws { BusinessError } 202 - The caller is not a system application.
+     * @throws { BusinessError } 401 - The input parameter is invalid.Possible causes:1.Mandatory parameters are left unspecified;
+     * <br>2.Incorrect parameter types.
+     * @throws { BusinessError } 13600001 - IPC error
+     * @syscap SystemCapability.FileManagement.DistributedFileService.CloudSync.Core
+     * @systemapi
+     * @since 20
+     * @arkts 1.2
+     */
+    offWithEvt(evt: 'progress'): void;
     /**
      * Start the gallery sync task.
      *