diff --git a/db/update9.1.1.sql b/db/update9.1.1.sql
index b1d162f737..dd7c90f19c 100644
--- a/db/update9.1.1.sql
+++ b/db/update9.1.1.sql
@@ -1 +1,3 @@
 ALTER TABLE `zt_block` ADD `height` smallint unsigned NOT NULL DEFAULT '0' AFTER `grid`;
+ALTER TABLE `zt_product` CHANGE `whitelist` `whitelist` text COLLATE 'utf8_general_ci' NOT NULL AFTER `acl`;
+ALTER TABLE `zt_project` CHANGE `whitelist` `whitelist` text COLLATE 'utf8_general_ci' NOT NULL AFTER `acl`;
diff --git a/db/zentao.sql b/db/zentao.sql
index abb5459b90..5e26e4327c 100644
--- a/db/zentao.sql
+++ b/db/zentao.sql
@@ -417,7 +417,7 @@ CREATE TABLE IF NOT EXISTS `zt_product` (
   `QD` varchar(30) NOT NULL,
   `RD` varchar(30) NOT NULL,
   `acl` enum('open','private','custom') NOT NULL default 'open',
-  `whitelist` varchar(255) NOT NULL,
+  `whitelist` text NOT NULL,
   `createdBy` varchar(30) NOT NULL,
   `createdDate` datetime NOT NULL,
   `createdVersion` varchar(20) NOT NULL,
@@ -468,7 +468,7 @@ CREATE TABLE IF NOT EXISTS `zt_project` (
   `RD` varchar(30) NOT NULL default '',
   `team` varchar(30) NOT NULL,
   `acl` enum('open','private','custom') NOT NULL default 'open',
-  `whitelist` varchar(255) NOT NULL,
+  `whitelist` text NOT NULL,
   `order` mediumint(8) unsigned NOT NULL,
   `deleted` enum('0','1') NOT NULL default '0',
   PRIMARY KEY  (`id`),