diff --git a/VERSION b/VERSION
index adbc6d2b1b..dafb659a69 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-15.1
+15.2
diff --git a/config/config.php b/config/config.php
index dca995a082..0f2bc19fd6 100644
--- a/config/config.php
+++ b/config/config.php
@@ -16,7 +16,7 @@ if(!class_exists('config')){class config{}}
 if(!function_exists('getWebRoot')){function getWebRoot(){}}
 
 /* 基本设置。Basic settings. */
-$config->version       = '15.1';           // ZenTaoPHP的版本。 The version of ZenTaoPHP. Don't change it.
+$config->version       = '15.2';           // ZenTaoPHP的版本。 The version of ZenTaoPHP. Don't change it.
 $config->charset       = 'UTF-8';              // ZenTaoPHP的编码。 The encoding of ZenTaoPHP.
 $config->cookieLife    = time() + 2592000;     // Cookie的生存时间。The cookie life time.
 $config->timezone      = 'Asia/Shanghai';      // 时区设置。        The time zone setting, for more see http://www.php.net/manual/en/timezones.php.
diff --git a/db/standard/zentao15.1.sql b/db/standard/zentao15.2.sql
similarity index 98%
rename from db/standard/zentao15.1.sql
rename to db/standard/zentao15.2.sql
index dfbe848935..b0952a0d97 100644
--- a/db/standard/zentao15.1.sql
+++ b/db/standard/zentao15.2.sql
@@ -253,7 +253,7 @@ CREATE TABLE `zt_config` (
   `value` longtext NOT NULL,
   PRIMARY KEY (`id`),
   UNIQUE KEY `unique` (`owner`,`module`,`section`,`key`)
-) ENGINE=MyISAM DEFAULT CHARSET=utf8;
+) ENGINE=MyISAM AUTO_INCREMENT=9 DEFAULT CHARSET=utf8;
 CREATE TABLE `zt_cron` (
   `id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT,
   `m` varchar(20) NOT NULL,
@@ -269,7 +269,7 @@ CREATE TABLE `zt_cron` (
   `lastTime` datetime NOT NULL,
   PRIMARY KEY (`id`),
   KEY `lastTime` (`lastTime`)
-) ENGINE=MyISAM DEFAULT CHARSET=utf8;
+) ENGINE=MyISAM AUTO_INCREMENT=14 DEFAULT CHARSET=utf8;
 CREATE TABLE `zt_dept` (
   `id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT,
   `name` char(60) NOT NULL,
@@ -430,7 +430,7 @@ CREATE TABLE `zt_group` (
   `desc` char(255) NOT NULL DEFAULT '',
   `acl` text DEFAULT NULL,
   PRIMARY KEY (`id`)
-) ENGINE=MyISAM DEFAULT CHARSET=utf8;
+) ENGINE=MyISAM AUTO_INCREMENT=14 DEFAULT CHARSET=utf8;
 CREATE TABLE `zt_grouppriv` (
   `group` mediumint(8) unsigned NOT NULL DEFAULT 0,
   `module` char(30) NOT NULL DEFAULT '',
@@ -447,20 +447,6 @@ CREATE TABLE `zt_history` (
   PRIMARY KEY (`id`),
   KEY `action` (`action`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
-CREATE TABLE `zt_jenkins` (
-  `id` smallint(8) unsigned NOT NULL AUTO_INCREMENT,
-  `name` varchar(50) NOT NULL,
-  `url` varchar(255) DEFAULT NULL,
-  `account` varchar(30) DEFAULT NULL,
-  `password` varchar(255) NOT NULL,
-  `token` varchar(255) DEFAULT NULL,
-  `createdBy` varchar(30) NOT NULL,
-  `createdDate` datetime NOT NULL,
-  `editedBy` varchar(30) NOT NULL,
-  `editedDate` datetime NOT NULL,
-  `deleted` enum('0','1') NOT NULL DEFAULT '0',
-  PRIMARY KEY (`id`)
-) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 CREATE TABLE `zt_job` (
   `id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT,
   `name` varchar(50) NOT NULL,
@@ -495,7 +481,7 @@ CREATE TABLE `zt_lang` (
   `system` enum('0','1') NOT NULL DEFAULT '1',
   PRIMARY KEY (`id`),
   UNIQUE KEY `lang` (`lang`,`module`,`section`,`key`)
-) ENGINE=MyISAM DEFAULT CHARSET=utf8;
+) ENGINE=MyISAM AUTO_INCREMENT=8 DEFAULT CHARSET=utf8;
 CREATE TABLE `zt_log` (
   `id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT,
   `objectType` varchar(30) NOT NULL,
@@ -555,6 +541,22 @@ CREATE TABLE `zt_oauth` (
   KEY `providerType` (`providerType`),
   KEY `providerID` (`providerID`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
+CREATE TABLE `zt_pipeline` (
+  `id` smallint(8) unsigned NOT NULL AUTO_INCREMENT,
+  `type` char(30) NOT NULL,
+  `name` varchar(50) NOT NULL,
+  `url` varchar(255) DEFAULT NULL,
+  `account` varchar(30) DEFAULT NULL,
+  `password` varchar(255) NOT NULL,
+  `token` varchar(255) DEFAULT NULL,
+  `private` char(32) DEFAULT NULL,
+  `createdBy` varchar(30) NOT NULL,
+  `createdDate` datetime NOT NULL,
+  `editedBy` varchar(30) NOT NULL,
+  `editedDate` datetime NOT NULL,
+  `deleted` enum('0','1') NOT NULL DEFAULT '0',
+  PRIMARY KEY (`id`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 CREATE TABLE `zt_planstory` (
   `plan` mediumint(8) unsigned NOT NULL,
   `story` mediumint(8) unsigned NOT NULL,
@@ -608,7 +610,7 @@ CREATE TABLE `zt_project` (
   `model` char(30) NOT NULL,
   `type` char(30) NOT NULL DEFAULT 'sprint',
   `product` char(30) NOT NULL DEFAULT 'single',
-  `lifetime` char(30) NOT NULL,
+  `lifetime` char(30) NOT NULL DEFAULT '',
   `budget` varchar(30) NOT NULL DEFAULT '0',
   `budgetUnit` char(30) NOT NULL DEFAULT 'CNY',
   `attribute` varchar(30) NOT NULL DEFAULT '',
@@ -709,7 +711,7 @@ CREATE TABLE `zt_relation` (
   `BVersion` char(30) NOT NULL,
   `extra` char(30) NOT NULL,
   PRIMARY KEY (`id`),
-  UNIQUE KEY `relation` (`relation`,`AType`,`BType`,`AID`,`BID`)
+  UNIQUE KEY `relation` (`product`,`relation`,`AType`,`BType`,`AID`,`BID`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 CREATE TABLE `zt_release` (
   `id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT,
@@ -864,7 +866,7 @@ CREATE TABLE `zt_story` (
   `lastEditedBy` varchar(30) NOT NULL DEFAULT '',
   `lastEditedDate` datetime NOT NULL,
   `reviewedBy` varchar(255) NOT NULL,
-  `reviewedDate` datetime NOT NULL,
+  `reviewedDate` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
   `closedBy` varchar(30) NOT NULL DEFAULT '',
   `closedDate` datetime NOT NULL,
   `closedReason` varchar(30) NOT NULL,
@@ -880,6 +882,15 @@ CREATE TABLE `zt_story` (
   KEY `status` (`status`),
   KEY `assignedTo` (`assignedTo`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
+CREATE TABLE `zt_storyestimate` (
+  `story` mediumint(9) NOT NULL,
+  `round` smallint(6) NOT NULL,
+  `estimate` text NOT NULL,
+  `average` float NOT NULL,
+  `openedBy` varchar(30) NOT NULL,
+  `openedDate` datetime NOT NULL,
+  UNIQUE KEY `story` (`story`,`round`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 CREATE TABLE `zt_storyreview` (
   `story` mediumint(9) NOT NULL,
   `version` smallint(6) NOT NULL,
@@ -888,15 +899,6 @@ CREATE TABLE `zt_storyreview` (
   `reviewDate` datetime NOT NULL,
   UNIQUE KEY `story` (`story`,`version`,`reviewer`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
-CREATE TABLE `zt_storyestimate` (
-  `story` mediumint(9) NOT NULL,
-  `round` smallint(6) NOT NULL,
-  `estimate` text NOT NULL,
-  `average` float(10,2) NOT NULL,
-  `openedBy` varchar(30) NOT NULL,
-  `openedDate` datetime NOT NULL,
-  UNIQUE KEY `story` (`story`,`round`)
-) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 CREATE TABLE `zt_storyspec` (
   `story` mediumint(9) NOT NULL,
   `version` smallint(6) NOT NULL,
@@ -998,7 +1000,7 @@ CREATE TABLE `zt_team` (
   `limited` char(8) NOT NULL DEFAULT 'no',
   `join` date NOT NULL DEFAULT '0000-00-00',
   `days` smallint(5) unsigned NOT NULL,
-  `hours` float(2,1) unsigned NOT NULL DEFAULT 0.0,
+  `hours` float(3,1) unsigned NOT NULL DEFAULT 0.0,
   `estimate` decimal(12,2) unsigned NOT NULL DEFAULT 0.00,
   `consumed` decimal(12,2) unsigned NOT NULL DEFAULT 0.00,
   `left` decimal(12,2) unsigned NOT NULL DEFAULT 0.00,
diff --git a/db/update15.0.3.sql b/db/update15.0.3.sql
index 4b67f4492a..5f9314cd79 100644
--- a/db/update15.0.3.sql
+++ b/db/update15.0.3.sql
@@ -6,7 +6,9 @@ ALTER TABLE `zt_storyestimate` MODIFY COLUMN `average` float NOT NULL;
 
 ALTER TABLE `zt_jenkins` ADD COLUMN `type` char(30) NOT NULL AFTER `id`;
 ALTER TABLE `zt_jenkins` ADD COLUMN `private` char(32) NOT NULL AFTER `token`;
+UPDATE `zt_jenkins` SET `type`='jenkins';
 RENAME TABLE `zt_jenkins` TO `zt_pipeline`;
 
-ALTER TABLE `zt_relation` DROP INDEX `relation`, ADD UNIQUE INDEX `relation`(`product`, `relation`, `AType`, `BType`, `AID`, `BID`) USING BTREE;
+ALTER TABLE `zt_relation` DROP INDEX `relation`;
+ALTER TABLE `zt_relation` ADD UNIQUE INDEX `relation`(`product`, `relation`, `AType`, `BType`, `AID`, `BID`);
 
diff --git a/db/zentao.sql b/db/zentao.sql
index 3e1fc29691..0d5e499708 100644
--- a/db/zentao.sql
+++ b/db/zentao.sql
@@ -471,23 +471,6 @@ CREATE TABLE IF NOT EXISTS `zt_history` (
   PRIMARY KEY (`id`),
   KEY `action` (`action`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
--- DROP TABLE IF EXISTS `zt_pipeline`;
-CREATE TABLE IF NOT EXISTS `zt_pipeline` (
-  `id` smallint(8) unsigned NOT NULL AUTO_INCREMENT,
-  `type` char(30) NOT NULL,
-  `name` varchar(50) NOT NULL,
-  `url` varchar(255) DEFAULT NULL,
-  `account` varchar(30) DEFAULT NULL,
-  `password` varchar(255) NOT NULL,
-  `token` varchar(255) DEFAULT NULL,
-  `private` char(32) DEFAULT NULL,
-  `createdBy` varchar(30) NOT NULL,
-  `createdDate` datetime NOT NULL,
-  `editedBy` varchar(30) NOT NULL,
-  `editedDate` datetime NOT NULL,
-  `deleted` enum('0','1') NOT NULL DEFAULT '0',
-  PRIMARY KEY (`id`)
-) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 -- DROP TABLE IF EXISTS `zt_job`;
 CREATE TABLE IF NOT EXISTS `zt_job` (
   `id` mediumint(8) unsigned NOT NULL AUTO_INCREMENT,
@@ -588,6 +571,23 @@ CREATE TABLE IF NOT EXISTS `zt_oauth` (
   KEY `providerType` (`providerType`),
   KEY `providerID` (`providerID`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
+-- DROP TABLE IF EXISTS `zt_pipeline`;
+CREATE TABLE IF NOT EXISTS `zt_pipeline` (
+  `id` smallint(8) unsigned NOT NULL AUTO_INCREMENT,
+  `type` char(30) NOT NULL,
+  `name` varchar(50) NOT NULL,
+  `url` varchar(255) DEFAULT NULL,
+  `account` varchar(30) DEFAULT NULL,
+  `password` varchar(255) NOT NULL,
+  `token` varchar(255) DEFAULT NULL,
+  `private` char(32) DEFAULT NULL,
+  `createdBy` varchar(30) NOT NULL,
+  `createdDate` datetime NOT NULL,
+  `editedBy` varchar(30) NOT NULL,
+  `editedDate` datetime NOT NULL,
+  `deleted` enum('0','1') NOT NULL DEFAULT '0',
+  PRIMARY KEY (`id`)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 -- DROP TABLE IF EXISTS `zt_planstory`;
 CREATE TABLE IF NOT EXISTS `zt_planstory` (
   `plan` mediumint(8) unsigned NOT NULL,
diff --git a/module/branch/model.php b/module/branch/model.php
index a509fa14ce..9e91f48fb7 100644
--- a/module/branch/model.php
+++ b/module/branch/model.php
@@ -141,7 +141,7 @@ class branchModel extends model
         {
             if($products[$branch->product]->type == 'normal')
             {
-                $branchGroups[$branch->product][0] = '';
+                if(strpos($params, 'ignoreNormal') === false) $branchGroups[$branch->product][0] = '';
             }
             else
             {
diff --git a/module/company/view/dynamic.html.php b/module/company/view/dynamic.html.php
index f9c26a5e30..a96ecd15c0 100644
--- a/module/company/view/dynamic.html.php
+++ b/module/company/view/dynamic.html.php
@@ -27,7 +27,9 @@
     <?php endforeach;?>
     <div class="input-control space w-150px"><?php echo html::select('account', $userIdPairs, $user ? $user->id : '', 'onchange=changeUser(this.value) class="form-control chosen"');?></div>
     <div class="input-control space w-150px"><?php echo html::select('product', $products, $product, 'onchange=changeProduct(this.value) class="form-control chosen"');?></div>
+    <?php if($config->systemMode == 'new'):?>
     <div class="input-control space w-150px"><?php echo html::select('project', $projects, $project, 'onchange=changeProject(this.value) class="form-control chosen"');?></div>
+    <?php endif;?>
     <div class="input-control space w-150px"><?php echo html::select('execution', $executions, $execution, 'onchange=changeExecution(this.value) class="form-control chosen"'); ?></div>
     <a class="btn btn-link querybox-toggle" id="bysearchTab"><i class="icon icon-search muted"></i> <?php echo $lang->action->dynamic->search;?></a>
   </div>
diff --git a/module/execution/control.php b/module/execution/control.php
index 50facb576a..b5a72a88ca 100644
--- a/module/execution/control.php
+++ b/module/execution/control.php
@@ -2236,7 +2236,7 @@ class execution extends control
         $this->view->execution              = $execution;
         $this->view->linkedProducts       = $linkedProducts;
         $this->view->unmodifiableProducts = $unmodifiableProducts;
-        $this->view->branchGroups         = $this->loadModel('branch')->getByProducts(array_keys($allProducts), '', $linkedBranches);
+        $this->view->branchGroups         = $this->loadModel('branch')->getByProducts(array_keys($allProducts), 'ignoreNormal', $linkedBranches);
 
         $this->display();
     }
diff --git a/module/execution/model.php b/module/execution/model.php
index 95bedc8efb..f58abd70bd 100644
--- a/module/execution/model.php
+++ b/module/execution/model.php
@@ -982,11 +982,11 @@ class executionModel extends model
         /* Order by status's content whether or not done */
         $executions = $this->dao->select('*, IF(INSTR("done,closed", status) < 2, 0, 1) AS isDone, INSTR("doing,wait,suspended,closed", status) AS sortStatus')->from(TABLE_EXECUTION)
             ->where('deleted')->eq(0)
-            ->beginIF($type == 'all' && $this->config->systemMode == 'new')->andWhere('type')->in('stage,sprint')->fi()
-            ->beginIF($projectID && $this->config->systemMode == 'new')->andWhere('project')->eq($projectID)->fi()
-            ->beginIF($type != 'all' && $this->config->systemMode == 'new')->andWhere('type')->eq($type)->fi()
+            ->beginIF($type == 'all')->andWhere('type')->in('stage,sprint')->fi()
+            ->beginIF($projectID and $this->config->systemMode == 'new')->andWhere('project')->eq($projectID)->fi()
+            ->beginIF($type != 'all' and $this->config->systemMode == 'new')->andWhere('type')->eq($type)->fi()
             ->beginIF(strpos($mode, 'withdelete') === false)->andWhere('deleted')->eq(0)->fi()
-            ->beginIF(!$this->app->user->admin)->andWhere('project')->in($this->app->user->view->projects)->fi()
+            ->beginIF(!$this->app->user->admin and $this->config->systemMode == 'new')->andWhere('project')->in($this->app->user->view->projects)->fi()
             ->beginIF(!$this->app->user->admin and strpos($mode, 'all') === false)->andWhere('id')->in($this->app->user->view->sprints)->fi()
             ->orderBy($orderBy)
             ->fetchAll();
diff --git a/module/product/model.php b/module/product/model.php
index d8cbd1a802..5ad5f73600 100644
--- a/module/product/model.php
+++ b/module/product/model.php
@@ -657,7 +657,7 @@ class productModel extends model
 
             $productID = (int)$productID;
             $products[$productID] = new stdClass();
-            if($this->config->systemMode == 'new' and isset($data->programs[$productID])) $products[$productID]->program = $data->programs[$productID];
+            if($this->config->systemMode == 'new' and isset($data->programs[$productID])) $products[$productID]->program = (int)$data->programs[$productID];
             $products[$productID]->name    = $productName;
             $products[$productID]->line    = (int)$data->lines[$productID];
             $products[$productID]->PO      = $data->POs[$productID];
diff --git a/module/project/control.php b/module/project/control.php
index 604e4994a2..f15686f23e 100644
--- a/module/project/control.php
+++ b/module/project/control.php
@@ -1589,7 +1589,7 @@ class project extends control
         $this->view->allProducts          = $allProducts;
         $this->view->linkedProducts       = $linkedProducts;
         $this->view->unmodifiableProducts = $unmodifiableProducts;
-        $this->view->branchGroups         = $this->loadModel('branch')->getByProducts(array_keys($allProducts), '', $linkedBranches);
+        $this->view->branchGroups         = $this->loadModel('branch')->getByProducts(array_keys($allProducts), 'ignoreNormal', $linkedBranches);
 
         $this->display();
     }
diff --git a/module/tree/view/browsetask.html.php b/module/tree/view/browsetask.html.php
index cbff9e7a89..ffcce3781a 100644
--- a/module/tree/view/browsetask.html.php
+++ b/module/tree/view/browsetask.html.php
@@ -138,7 +138,7 @@ $(function()
         {
             var $toggle = $('<span class="module-name" data-id="' + item.id + '">' + link + '</span>');
 
-            var title = (item.type === 'product' ? '<i class="icon icon-cube text-muted"></i> ' : '') + item.name;
+            var title = (item.type === 'product' ? '<i class="icon icon-product text-muted"></i> ' : '') + item.name;
             var link = item.id !== undefined ? ('<a data-app=' + openApp + ' href="' + createLink('tree', 'browsetask', 'rootID=<?php echo $rootID ?>&viewType=task&moduleID={0}'.format(item.id)) + '">' + title + '</a>') : ('<span class="tree-toggle">' + title + '</span>');
             var $toggle = $('<span class="module-name" data-id="' + item.id + '">' + link + '</span>');
             if(item.type === 'task')
diff --git a/module/upgrade/js/mergeprogram.js b/module/upgrade/js/mergeprogram.js
index 9c550d58e2..5efd1d7f57 100644
--- a/module/upgrade/js/mergeprogram.js
+++ b/module/upgrade/js/mergeprogram.js
@@ -107,6 +107,14 @@ $(function()
     $('#source .cell').height($('#source').height());
     $('#programBox .cell').height($('#programBox').height() - 20);
 
+    programBegin = $('.programParams #begin').val();
+    programEnd   = $('.programParams #end').val();
+    setProgramBegin(programBegin);
+    setProgramEnd(programEnd);
+    setProjectPM();
+
+    setProgramByProduct($(':checkbox:checked[data-productid]'));
+
     /* Select all product line events. */
     $('#checkAllLines').click(function()
     {
@@ -131,6 +139,9 @@ $(function()
             $('#programName').val('');
         }
 
+        setProgramBegin(programBegin);
+        setProgramEnd(programEnd);
+
         /* If the project is checked, the relevant form will be displayed according to the selected mode. */
         hiddenProject();
     })
@@ -141,20 +152,37 @@ $(function()
         var lineID = $('li.currentPage').attr('lineid');
         if($(this).is(':checked'))
         {
-            $("[id^='productLines\[" + lineID + "\]']").prop('checked', true);
             $('#checkAllProjects').prop('checked', true);
-            $('[name^=products]').prop('checked', true);
-            $('[name^=sprints]').prop('checked', true);
             $('#programName').val($('.main-row .side-col .nav li.currentPage div a').text());
+            if($('[id^=productLines]').length > 0)
+            {
+                $('[data-line=' + lineID + ']').prop('checked', true);
+                $("[id^='productLines\[" + lineID + "\]']").prop('checked', true);
+            }
+            else
+            {
+                $('[name^=products]').prop('checked', true);
+                $('[name^=sprints]').prop('checked', true);
+            }
         }
         else
         {
-            $("[id^='productLines\[" + lineID + "\]']").prop('checked', false);
             $('#checkAllProjects').prop('checked', false);
-            $('[name^=products]').prop('checked', false);
-            $('[name^=sprints]').prop('checked', false);
+            if($('[id^=productLines]').length > 0)
+            {
+                $('[data-line=' + lineID + ']').prop('checked', false);
+                $("[id^='productLines\[" + lineID + "\]']").prop('checked', false);
+            }
+            else
+            {
+                $('[name^=products]').prop('checked', false);
+                $('[name^=sprints]').prop('checked', false);
+            }
             $('#programName').val('');
         }
+        setProgramBegin(programBegin);
+        setProgramEnd(programEnd);
+
         hiddenProject();
     })
 
@@ -164,36 +192,40 @@ $(function()
         var lineID = $('li.currentPage').attr('lineid');
         if($(this).is(':checked'))
         {
-            $("[id^='productLines\[" + lineID + "\]']").prop('checked', true);
             $('#checkAllProducts').prop('checked', true);
-            $('[name^=products]').prop('checked', true);
-            $('[name^=sprints]').prop('checked', true);
             $('#programName').val($('.main-row .side-col .nav li.currentPage div a').text());
+            if($('[id^=productLines]').length > 0)
+            {
+                $('[data-line=' + lineID + ']').prop('checked', true);
+                $("[id^='productLines\[" + lineID + "\]']").prop('checked', true);
+            }
+            else
+            {
+                $('[name^=products]').prop('checked', true);
+                $('[name^=sprints]').prop('checked', true);
+            }
         }
         else
         {
-            $("[id^='productLines\[" + lineID + "\]']").prop('checked', false);
             $('#checkAllProducts').prop('checked', false);
-            $('[name^=products]').prop('checked', false);
-            $('[name^=sprints]').prop('checked', false);
             $('#programName').val('');
+            if($('[id^=productLines]').length > 0)
+            {
+                $('[data-line=' + lineID + ']').prop('checked', false);
+                $("[id^='productLines\[" + lineID + "\]']").prop('checked', false);
+            }
+            else
+            {
+                $('[name^=products]').prop('checked', false);
+                $('[name^=sprints]').prop('checked', false);
+            }
         }
-        programBegin = $('.programParams #begin').val();
-        programEnd   = $('.programParams #end').val();
         setProgramBegin(programBegin);
         setProgramEnd(programEnd);
 
         hiddenProject();
     })
 
-    programBegin = $('.programParams #begin').val();
-    programEnd   = $('.programParams #end').val();
-    setProgramBegin(programBegin);
-    setProgramEnd(programEnd);
-    setProjectPM();
-
-    setProgramByProduct($(':checkbox:checked[data-productid]'));
-
     /* Select a product line event. */
     $('[name^=productLines]').change(function()
     {
@@ -233,6 +265,9 @@ $(function()
         if(lineNum > checkedLineNum) checked = false;
         $('#checkAllLines').prop('checked', checked);
 
+        setProgramBegin(programBegin);
+        setProgramEnd(programEnd);
+
         /* If the project is checked, the relevant form will be displayed according to the selected mode. */
         hiddenProject();
     })
diff --git a/module/upgrade/lang/version.php b/module/upgrade/lang/version.php
index 28e33ab405..b2c26de86d 100644
--- a/module/upgrade/lang/version.php
+++ b/module/upgrade/lang/version.php
@@ -139,3 +139,4 @@ $lang->upgrade->fromVersions['15_0_rc3']   = '15.0.rc3';
 $lang->upgrade->fromVersions['15_0']       = '15.0';
 $lang->upgrade->fromVersions['15_0_1']     = '15.0.1';
 $lang->upgrade->fromVersions['15_0_2']     = '15.0.2';
+$lang->upgrade->fromVersions['15_0_3']     = '15.0.3';
diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index db02558b12..2cae30eef9 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -3075,8 +3075,10 @@ class upgradeModel extends model
         $this->saveLogs('Run Method ' . __FUNCTION__);
         $this->dao->exec('TRUNCATE TABLE ' . TABLE_NOTIFY);
         $this->saveLogs($this->dao->get());
-        $mailQueueTable   = '`' . $this->config->db->prefix . 'mailqueue`';
-        $stmt = $this->dao->select('*')->from($mailQueueTable)->query();
+
+        $mailQueueTable = '`' . $this->config->db->prefix . 'mailqueue`';
+        $syncBeginDate  = date('Y-m-d', time() - 15 * 24 * 3600);
+        $stmt           = $this->dao->select('*')->from($mailQueueTable)->where('addedDate')->ge($syncBeginDate)->orderBy('id')->query();
         while($mailQueue = $stmt->fetch())
         {
             $notify = new stdclass();
@@ -3095,7 +3097,7 @@ class upgradeModel extends model
         }
 
         $webhookDataTable = '`' . $this->config->db->prefix . 'webhookdatas`';
-        $stmt = $this->dao->select('*')->from($webhookDataTable)->query();
+        $stmt = $this->dao->select('*')->from($webhookDataTable)->orderBy('id')->limit($offset, $rows)->query();
         while($webhookData = $stmt->fetch())
         {
             $notify = new stdclass();
@@ -3109,6 +3111,7 @@ class upgradeModel extends model
             $this->dao->insert(TABLE_NOTIFY)->data($notify)->exec();
             $this->saveLogs($this->dao->get());
         }
+
         return true;
     }
 
diff --git a/module/upgrade/view/confirm.html.php b/module/upgrade/view/confirm.html.php
index b7e911dd51..6b9283afaf 100644
--- a/module/upgrade/view/confirm.html.php
+++ b/module/upgrade/view/confirm.html.php
@@ -11,7 +11,7 @@
 ?>
 <?php include '../../common/view/header.lite.html.php';?>
 <div class='container'>
-  <form method='post' action='<?php echo inlink('execute');?>'>
+  <form method='post' onsubmit="submit.disabled=1" action='<?php echo inlink('execute');?>'>
     <div class='modal-dialog'>
       <div class='modal-header'>
         <strong><?php echo $lang->upgrade->confirm;?></strong>
@@ -23,4 +23,6 @@
     </div>
   </form>
 </div>
+<script>
+</script>
 <?php include '../../common/view/footer.lite.html.php';?>