diff --git a/db/update9.8.1.sql b/db/update9.8.1.sql
index 198fc4943f..eb64935fcf 100644
--- a/db/update9.8.1.sql
+++ b/db/update9.8.1.sql
@@ -1,3 +1,3 @@
 ALTER TABLE `zt_release` ADD `marker` enum('0','1') NOT NULL default '0' AFTER `name`;
-ALTER TABLE `zt_doc` ADD `collector` text NOT NULL default '' AFTER `views`,
-ADD `visitedDate` text NOT NULL default '' AFTER `editedDate`;
+ALTER TABLE `zt_doc` ADD `collector` text NOT NULL AFTER `views`;
+ALTER TABLE `zt_doc` ADD `visitedDate` datetime NOT NULL AFTER `editedDate`;
diff --git a/db/zentao.sql b/db/zentao.sql
index c3180eb72f..11296be034 100644
--- a/db/zentao.sql
+++ b/db/zentao.sql
@@ -255,10 +255,12 @@ CREATE TABLE IF NOT EXISTS `zt_doc` (
   `keywords` varchar(255) NOT NULL,
   `type` varchar(30) NOT NULL,
   `views` smallint(5) unsigned NOT NULL,
+  `collector` text NOT NULL,
   `addedBy` varchar(30) NOT NULL,
   `addedDate` datetime NOT NULL,
   `editedBy` varchar(30) NOT NULL,
   `editedDate` datetime NOT NULL,
+  `visitedDate` datetime NOT NULL,
   `acl` varchar(10) NOT NULL DEFAULT 'open',
   `groups` varchar(255) NOT NULL,
   `users` text NOT NULL,
@@ -518,6 +520,7 @@ CREATE TABLE IF NOT EXISTS `zt_release` (
   `branch` mediumint(8) unsigned NOT NULL default '0',
   `build` mediumint(8) unsigned NOT NULL,
   `name` char(30) NOT NULL default '',
+  `marker` enum('0','1') NOT NULL default '0',
   `date` date NOT NULL,
   `stories` text NOT NULL,
   `bugs` text NOT NULL,