diff --git a/plugins/mariadb/conf/mariadb.sql b/plugins/mariadb/conf/mariadb.sql
index 1b261184b..f6df3e957 100755
--- a/plugins/mariadb/conf/mariadb.sql
+++ b/plugins/mariadb/conf/mariadb.sql
@@ -12,9 +12,11 @@ CREATE TABLE IF NOT EXISTS `databases` (
   `username` TEXT,
   `password` TEXT,
   `accept` TEXT,
+  `rw` TEXT DEFAULT 'rw',
   `ps` TEXT,
   `addtime` TEXT
 );
+-- ALTER TABLE `databases` ADD COLUMN `rw` TEXT DEFAULT 'rw';
 
 CREATE TABLE IF NOT EXISTS `master_replication_user` (
   `id` INTEGER PRIMARY KEY AUTOINCREMENT,
@@ -25,7 +27,6 @@ CREATE TABLE IF NOT EXISTS `master_replication_user` (
   `addtime` TEXT
 );
 
-
 -- 从库配置主库的[ssh private key]
 -- drop table `slave_id_rsa`;
 CREATE TABLE IF NOT EXISTS `slave_id_rsa` (
@@ -40,5 +41,3 @@ CREATE TABLE IF NOT EXISTS `slave_id_rsa` (
 );
 
 
-
-