diff --git a/db/update21.0.sql b/db/update21.0.sql
index dac205c716..37c331f5fc 100644
--- a/db/update21.0.sql
+++ b/db/update21.0.sql
@@ -11,3 +11,5 @@ ALTER TABLE `zt_deploystep` DROP COLUMN `end`;
 ALTER TABLE `zt_deploystep` ADD `parent` mediumint(8) unsigned NOT NULL DEFAULT 0 AFTER `deploy`;
 
 DROP TABLE IF EXISTS `zt_deployscope`;
+
+ALTER TABLE `zt_deploy` ADD `host` mediumint(8) unsigned NOT NULL DEFAULT 0 AFTER `name`;
diff --git a/db/zentao.sql b/db/zentao.sql
index c0835ce441..817f74083f 100755
--- a/db/zentao.sql
+++ b/db/zentao.sql
@@ -2970,6 +2970,7 @@ CREATE TABLE IF NOT EXISTS `zt_deploy` (
   `begin` datetime NULL,
   `end` datetime NULL,
   `name` varchar(255) NOT NULL DEFAULT '',
+  `host` mediumint(8) unsigned NOT NULL DEFAULT '0',
   `desc` mediumtext NULL,
   `status` varchar(20) NOT NULL DEFAULT '',
   `owner` char(30) NOT NULL DEFAULT '',