diff --git a/db/update15.0.rc3.sql b/db/update15.0.rc3.sql
index a05b28c164..48a9297a65 100644
--- a/db/update15.0.rc3.sql
+++ b/db/update15.0.rc3.sql
@@ -3,77 +3,3 @@ ALTER TABLE `zt_webhook` CHANGE `executions` `executions` text NOT NULL;
 ALTER TABLE `zt_projectcase` ADD `count` mediumint(8) unsigned NOT NULL DEFAULT '1' AFTER `case`;
 
 ALTER TABLE `zt_repo` ADD `extra` char(30) COLLATE 'utf8_general_ci' NOT NULL AFTER `desc`;
-
-ALTER TABLE `zt_user` ADD `pinyin` varchar(255) NOT NULL DEFAULT '' AFTER `realname`;
-ALTER TABLE `zt_im_chat` ADD `lastMessage` int(11) unsigned NOT NULL DEFAULT 0 AFTER `lastActiveTime`;
-ALTER TABLE `zt_im_conference` ADD `invitee` text NOT NULL AFTER `participants`;
-ALTER TABLE `zt_im_message` CHANGE `id` `id` int(11) unsigned NOT NULL AUTO_INCREMENT;
-
-CREATE TABLE IF NOT EXISTS `zt_im_message_backup` (
-  `id` int(11) unsigned NOT NULL,
-  `gid` char(40) NOT NULL DEFAULT '',
-  `cgid` char(40) NOT NULL DEFAULT '',
-  `user` varchar(30) NOT NULL DEFAULT '',
-  `date` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
-  `order` bigint(8) unsigned NOT NULL,
-  `type` enum('normal', 'broadcast', 'notify') NOT NULL DEFAULT 'normal',
-  `content` text NOT NULL DEFAULT '',
-  `contentType` enum('text', 'plain', 'emotion', 'image', 'file', 'object', 'code') NOT NULL DEFAULT 'text',
-  `data` text NOT NULL DEFAULT '',
-  `deleted` enum('0','1') NOT NULL DEFAULT '0'
-) ENGINE=MyISAM DEFAULT CHARSET=utf8;
-
-CREATE TABLE IF NOT EXISTS `zt_im_message_index` (
-  `id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT,
-  `tableName` char(64) NOT NULL,
-  `start` int(11) unsigned NOT NULL,
-  `end` int(11) unsigned NOT NULL,
-  `startDate` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
-  `endDate` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
-  `chats` text NOT NULL,
-  PRIMARY KEY (`id`),
-  KEY `tableName` (`tableName`),
-  KEY `start` (`start`),
-  KEY `end` (`end`),
-  KEY `startDate` (`startDate`),
-  KEY `endDate` (`endDate`)
-) ENGINE=MyISAM DEFAULT CHARSET=utf8;
-
-CREATE TABLE IF NOT EXISTS `zt_im_chat_message_index` (
-  `id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT,
-  `gid` char(40) NOT NULL,
-  `tableName` char(64) NOT NULL,
-  `start` int(11) unsigned NOT NULL,
-  `end` int(11) unsigned NOT NULL,
-  `startDate` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
-  `endDate` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
-  `count` mediumint(8) unsigned NOT NULL,
-  PRIMARY KEY (`id`),
-  UNIQUE KEY `chattable` (`gid`,`tableName`),
-  KEY `start` (`start`),
-  KEY `end` (`end`),
-  KEY `startDate` (`startDate`),
-  KEY `endDate` (`endDate`)
-) ENGINE=MyISAM DEFAULT CHARSET=utf8;
-
-CREATE TABLE IF NOT EXISTS `zt_im_userdevice` (
-  `id` mediumint(8) unsigned NOT NULL auto_increment,
-  `user` mediumint(8) NOT NULL DEFAULT 0,
-  `device` char(40) NOT NULL DEFAULT 'default',
-  `lastLogin` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
-  `lastLogout` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
-  PRIMARY KEY (`id`),
-  KEY `user` (`user`),
-  KEY `lastLogin` (`lastLogin`),
-  KEY `lastLogout` (`lastLogout`),
-  UNIQUE KEY `userdevice` (`user`, `device`)
-) ENGINE=MyISAM  DEFAULT CHARSET=utf8;
-
-ALTER TABLE `zt_im_userdevice` ADD `deviceID` char(40) NOT NULL DEFAULT '' AFTER `device`, ADD `token` char(64) NOT NULL DEFAULT '' AFTER `deviceID`, ADD `validUntil` datetime NOT NULL DEFAULT '0000-00-00 00:00:00' AFTER `token`;
-ALTER TABLE `zt_im_conferenceaction` ADD `device` char(40) NOT NULL DEFAULT 'default' AFTER `date`;
-
-ALTER TABLE `zt_im_chat` ADD `pinnedMessages` text NOT NULL DEFAULT '' AFTER `dismissDate`;
-ALTER TABLE `zt_im_message` CHANGE `type` `type` enum('normal', 'broadcast', 'notify', 'bulletin') NOT NULL DEFAULT 'normal';
-
-ALTER TABLE `zt_im_message` DROP COLUMN `order`;
-ALTER TABLE `zt_im_message_backup` DROP COLUMN `order`;
diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index 0e1172bc65..3959923954 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -650,6 +650,20 @@ class upgradeModel extends model
         case '15_0_rc3':
             $this->saveLogs('Execute 15_0_rc3');
             $this->execSQL($this->getUpgradeFile('15.0.rc3'));
+            if(empty($this->config->isINT))
+            {
+                if(!$executeXuanxuan)
+                {
+                    $xuanxuanSql = $this->app->getAppRoot() . 'db' . DS . 'upgradexuanxuan3.3.sql';
+                    $this->execSQL($xuanxuanSql);
+                    $xuanxuanSql = $this->app->getAppRoot() . 'db' . DS . 'upgradexuanxuan4.0.sql';
+                    $this->execSQL($xuanxuanSql);
+                    $xuanxuanSql = $this->app->getAppRoot() . 'db' . DS . 'upgradexuanxuan4.0.beta2.sql';
+                    $this->execSQL($xuanxuanSql);
+                    $xuanxuanSql = $this->app->getAppRoot() . 'db' . DS . 'upgradexuanxuan4.0.beta3.sql';
+                    $this->execSQL($xuanxuanSql);
+                }
+            }
             $this->updateLibType();
             $this->updateRunCaseStatus();
             $this->fix4TaskLinkProject();