diff --git a/db/update18.3.sql b/db/update18.3.sql
index b1434995b0..61f1674826 100644
--- a/db/update18.3.sql
+++ b/db/update18.3.sql
@@ -712,6 +712,13 @@ CHANGE `activatedDate` `activatedDate` datetime NULL;
 ALTER TABLE `zt_kanbancard`
 CHANGE `begin` `begin` date NULL,
 CHANGE `end` `end` date NULL,
+CHANGE `name` `name` varchar(255) NOT NULL DEFAULT '',
+CHANGE `pri` `pri` mediumint unsigned NOT NULL DEFAULT '0',
+CHANGE `assignedTo` `assignedTo` text NULL,
+CHANGE `desc` `desc` mediumtext NULL,
+CHANGE `estimate` `estimate` float unsigned NOT NULL DEFAULT '0',
+CHANGE `color` `color` char(7) NOT NULL DEFAULT '',
+
 CHANGE `fromID` `fromID` mediumint unsigned NOT NULL DEFAULT '0',
 CHANGE `fromType` `fromType` varchar(30) NOT NULL DEFAULT '',
 CHANGE `whitelist` `whitelist` text NULL,
diff --git a/db/zentao.sql b/db/zentao.sql
index 29719a2eb9..80cdbbe798 100755
--- a/db/zentao.sql
+++ b/db/zentao.sql
@@ -983,16 +983,16 @@ CREATE TABLE IF NOT EXISTS `zt_kanbancard` (
   `group` mediumint(8) unsigned NOT NULL,
   `fromID` mediumint(8) unsigned NOT NULL DEFAULT '0',
   `fromType` varchar(30) NOT NULL DEFAULT '',
-  `name` varchar(255) NOT NULL,
+  `name` varchar(255) NOT NULL DEFAULT '',
   `status` varchar(30) NOT NULL DEFAULT 'doing',
-  `pri` mediumint(8) unsigned NOT NULL,
-  `assignedTo` text NOT NULL,
-  `desc` mediumtext NOT NULL,
+  `pri` mediumint(8) unsigned NOT NULL DEFAULT '0',
+  `assignedTo` text NULL,
+  `desc` mediumtext NULL,
   `begin` date NULL,
   `end` date NULL,
-  `estimate` float unsigned NOT NULL,
+  `estimate` float unsigned NOT NULL DEFAULT '0',
   `progress` float unsigned NOT NULL DEFAULT '0',
-  `color` char(7) NOT NULL,
+  `color` char(7) NOT NULL DEFAULT '',
   `acl` char(30) NOT NULL DEFAULT 'open',
   `whitelist` text NULL,
   `order` mediumint(8) NOT NULL DEFAULT '0',