diff --git a/api/@ohos.data.distributedDataObject.d.ts b/api/@ohos.data.distributedDataObject.d.ts
index c788a7b735a4da1e9d581630c1d88c506016891a..e468a6384840e8359dac5caaa68cf5e9b2804136 100644
--- a/api/@ohos.data.distributedDataObject.d.ts
+++ b/api/@ohos.data.distributedDataObject.d.ts
@@ -48,12 +48,20 @@ declare namespace distributedDataObject {
      */
     interface DistributedObject {
         /**
-         * Change object session
-         *
-         * @param sessionId The sessionId to be joined, if empty, leave all session
-         * @return Operation result, true is success, false is failed
+         * Change object session.
+         * @param sessionId The sessionId to be joined, if empty, leave all session.
+         * @return Operation result, true is success, false is failed.
+		 * @depcreated since 9 
          * @permission ohos.permission.DISTRIBUTED_DATASYNC
          * @since 8
+         */
+		/**
+         * Change object session.
+         * @param sessionId The sessionId to be joined, if empty, leave all session.
+         * @return Operation result, true is success, false is failed.
+		 * @depcreated since 9 
+         * @permission ohos.permission.DISTRIBUTED_DATASYNC
+         * @since 9
          */
         setSessionId(sessionId?: string): boolean;