diff --git a/data/sql/default.sql b/data/sql/default.sql
index e278b400b..e38f3bd01 100755
--- a/data/sql/default.sql
+++ b/data/sql/default.sql
@@ -45,7 +45,7 @@ CREATE TABLE IF NOT EXISTS `firewall` (
   `addtime` TEXT
 );
 
-ALTER TABLE `port` ADD COLUMN `protocol` INTEGER DEFAULT 'tcp';
+ALTER TABLE `port` ADD COLUMN `protocol` TEXT DEFAULT 'tcp';
 
 INSERT INTO `firewall` (`id`, `port`, `protocol`, `ps`, `addtime`) VALUES
 (1, '80',  'tcp','网站默认端口', '0000-00-00 00:00:00'),