diff --git a/api/@ohos.data.distributedDataObject.d.ts b/api/@ohos.data.distributedDataObject.d.ts
index aa7f594fc77087b04158be84b0abe8268898d279..b1f2b24c1e70f3ebb0626134c9f148cc46eafa4e 100644
--- a/api/@ohos.data.distributedDataObject.d.ts
+++ b/api/@ohos.data.distributedDataObject.d.ts
@@ -72,6 +72,26 @@ declare namespace distributedDataObject {
          * @since 8
          */
         off(type: 'change', callback?: Callback<{ sessionId: string, fields: Array<string> }>): void;
+
+        /**
+         * On watch of status
+         *
+         * @param callback Indicates the observer of object status changed.
+         *                 sessionId: The sessionId of the changed object 
+         *                 networkId: NetworkId of the changed device
+         *                 status: 'online' The object became online on the device and data can be synced to the device
+         *                         'offline' The object became offline on the device and the object can not sync any data
+         * @since 8
+         */
+        on(type: 'status', callback: Callback<{ sessionId: string, networkId: string, status: 'online' | 'offline' }>): void;
+
+        /**
+         * Off watch of status
+         *
+         * @param callback If not null, off the callback, if undefined, off all callbacks
+         * @since 8
+         */
+        off(type: 'status', callback?: Callback<{ sessionId: string, deviceId: string, status: 'online' | 'offline' }>): void;
     }
 }