diff --git a/api/@ohos.data.rdb.d.ts b/api/@ohos.data.rdb.d.ts
index d77415c1bd1a037c2d2b5a9985eb892b9b20753b..df961acd5e8219025808a1de1473dfe0e5da5ad3 100644
--- a/api/@ohos.data.rdb.d.ts
+++ b/api/@ohos.data.rdb.d.ts
@@ -135,6 +135,18 @@ declare namespace rdb {
          */
         executeSql(sql: string, bindArgs: Array<ValueType>, callback: AsyncCallback<void>): void;
         executeSql(sql: string, bindArgs: Array<ValueType>): Promise<void>;
+
+        /**
+         * change the encrypted key(not null) if the database is configured with encrypted key.
+         *
+         * @note N/A
+         * @since 8
+         * @sysCap SystemCapability.Data.DATA_APPDATAMGR
+         * @devices phone, tablet, tv, wearable, car
+         * @param newEncryptKey the encrypted key is uint8 form in a vector.
+         */
+        changeEncryptKey(newEncryptKey:Uint8Array, callback: AsyncCallback<number>):void;
+        changeEncryptKey(newEncryptKey:Uint8Array): Promise<number>;
     }
 
     /**
@@ -174,10 +186,11 @@ declare namespace rdb {
         /**
          * Indicates the name of the database file
          *
-         * @since 7
+         * @since 8
          * @sysCap SystemCapability.Data.DATA_APPDATAMGR
          */
         name: string;
+        encryptKey: Uint8Array;
     }
 
     /**