diff --git a/distributeddatamgr/relational_store/include/relational_store.h b/distributeddatamgr/relational_store/include/relational_store.h
index 1974af547d26c93596ceb236103804062e28cda3..216baf6bb4136ce0dadd956da1b44ce71380d346 100644
--- a/distributeddatamgr/relational_store/include/relational_store.h
+++ b/distributeddatamgr/relational_store/include/relational_store.h
@@ -179,8 +179,15 @@ typedef enum Rdb_DBType {
     RDB_SQLITE = 1,
     /**
      * @brief Means using CARLEY_DB as the db kernal
+     * @deprecated since 18
+     * @useinstead {@link RDB_GAUSSPD}
      */
     RDB_CAYLEY = 2,
+    /**
+     * @brief Means using GAUSS_PD as the db kernal
+     * @since 18
+     */
+    RDB_GAUSSPD = 2,
     /**
      * @brief Means largest value for Rdb_DBType
      */