diff --git a/module/custom/control.php b/module/custom/control.php
index 414aecfdfd..025c6d528a 100644
--- a/module/custom/control.php
+++ b/module/custom/control.php
@@ -594,6 +594,34 @@ class custom extends control
         $this->display();
     }
 
+    /**
+     * Set Mode.
+     * 
+     * @access public
+     * @return void
+     */
+    public function mode()
+    {
+        if($_POST)
+        {
+            $after15mode = fixer::input('post')->get('after15mode');
+            $this->loadModel('setting')->setItem('system.custom.after15mode', $after15mode);
+            if($after15mode == 'new') $this->locate($this->createLink('upgrade', 'mergeTips'));
+        }
+
+        $after15mode = zget($this->config->custom, 'after15mode', 'old');
+        if($after15mode == 'new')
+        {
+            if(isset($this->config->global->upgradeStep) and $this->config->global->upgradeStep == 'mergeProgram') $this->locate($this->createLink('upgrade', 'mergeProgram'));
+
+            unset($_SESSION['upgrading']);
+            $this->locate(inlink('index'));
+        }
+
+        $this->app->loadLang('upgrade');
+        $this->display();
+    }
+
     /**
      * Ajax save custom fields.
      * 
diff --git a/module/custom/lang/zh-cn.php b/module/custom/lang/zh-cn.php
index 6339b67a74..92ee02828e 100644
--- a/module/custom/lang/zh-cn.php
+++ b/module/custom/lang/zh-cn.php
@@ -38,6 +38,7 @@ $lang->custom->URStory              = "用户需求";
 $lang->custom->SRStory              = "软件需求";
 $lang->custom->epic                 = "史诗";
 $lang->custom->default              = "默认";
+$lang->custom->mode                 = "模式";
 $lang->custom->scrumStory           = "故事";
 $lang->custom->waterfallCommon      = "瀑布";
 $lang->custom->buildin              = "系统内置";
diff --git a/module/custom/view/header.html.php b/module/custom/view/header.html.php
index f2644be41e..d6ff2052d6 100644
--- a/module/custom/view/header.html.php
+++ b/module/custom/view/header.html.php
@@ -12,6 +12,10 @@
   {
       common::printLink('custom', $sysObject, "", "<span class='text'>{$lang->custom->$sysObject}</span>", '', "class='btn btn-link' id='{$sysObject}Tab'");
   }
+  if(isset($config->custom->after15mode) and $config->custom->after15mode == 'old')
+  {
+      common::printLink('custom', 'mode', "", "<span class='text'>{$lang->custom->mode}</span>", '', "class='btn btn-link' id='modeTab'");
+  }
   ?>
   </div>
 </div>
diff --git a/module/custom/view/mode.html.php b/module/custom/view/mode.html.php
new file mode 100644
index 0000000000..d9b5cfe816
--- /dev/null
+++ b/module/custom/view/mode.html.php
@@ -0,0 +1,36 @@
+<?php
+/**
+ * The set view file of custom module of ZenTaoPMS.
+ *
+ * @copyright   Copyright 2009-2015 青岛易软天创网络科技有限公司(QingDao Nature Easy Soft Network Technology Co,LTD, www.cnezsoft.com)
+ * @license     ZPL (http://zpl.pub/page/zplv12.html)
+ * @author      Tingting Dai <daitingting@xirangit.com>
+ * @package     custom
+ * @version     $Id$
+ * @link        http://www.zentao.net
+ */
+?>
+<?php include 'header.html.php';?>
+<div id='mainContent' class='main-content'>
+  <form class="load-indicator main-form" method='post'>
+    <div class='main-header'>
+      <div class='heading'>
+        <strong><?php echo $lang->custom->mode?></strong>
+      </div>
+    </div>
+    <table class='table table-form'>
+      <tr>
+        <th class='text-top'><?php echo $lang->custom->mode;?></th>
+        <td>
+          <p><label class="radio-inline"><input type="radio" name="after15mode" value="new" checked='checked' id="after15modenew"><?php echo $lang->upgrade->to15Mode['new'];?></label></p>
+          <p class='text-info'><?php echo $lang->upgrade->selectedModeTips['new'];?></p>
+        </td>
+      </tr>
+      <tr><td></td><td><?php echo html::submitButton()?></td></tr>
+    </table>
+  </form>
+</div>
+<script>
+$('#modeTab').addClass('btn-active-text');
+</script>
+<?php include '../../common/view/footer.html.php';?>
diff --git a/module/upgrade/control.php b/module/upgrade/control.php
index f325685110..eab5ff16c6 100644
--- a/module/upgrade/control.php
+++ b/module/upgrade/control.php
@@ -23,7 +23,7 @@ class upgrade extends control
         $upgradeFile = $this->app->wwwRoot . 'upgrade.php';
         if(!file_exists($upgradeFile)) $this->locate($this->createLink('my', 'index'));
 
-        if((version_compare($this->config->installedVersion, '20', '<') 
+        if((version_compare($this->config->installedVersion, '15', '<') 
             || strpos($this->config->installedVersion, 'biz') !== false 
             || strpos($this->config->installedVersion, 'pro') !== false) 
             && strpos($this->config->installedVersion, 'max') === false)
@@ -31,26 +31,11 @@ class upgrade extends control
             /* Judge upgrade step. */
             $upgradeStep = $this->loadModel('setting')->getItem('owner=system&module=common&section=global&key=upgradeStep');
             if($upgradeStep == 'mergeProgram') $this->locate(inlink('mergeProgram'));
-
-            $this->locate(inlink('to20'));
         }
         if(version_compare($this->config->installedVersion, '6.4', '<=')) $this->locate(inlink('license'));
         $this->locate(inlink('backup'));
     }
 
-    /**
-     * Upgrade to 20 version.
-     * 
-     * @access public
-     * @return void
-     */
-    public function to20()
-    {
-        $this->view->title = $this->lang->upgrade->to20Tips;
-        $this->view->video = $this->lang->upgrade->videoURL;
-        $this->display();
-    }
-
     /**
      * Check agree license.
      *
@@ -152,11 +137,11 @@ class upgrade extends control
 
         if(!$this->upgrade->isError())
         {
-            if((version_compare($fromVersion, '20', '<') 
-                || strpos($fromVersion, 'biz') !== false 
-                || strpos($fromVersion, 'pro') !== false) 
+            if((version_compare($fromVersion, '15', '<')
+                || strpos($fromVersion, 'biz') !== false
+                || strpos($fromVersion, 'pro') !== false)
                 && strpos($fromVersion, 'max') === false
-                && !isset($this->config->qcVersion)) $this->locate(inlink('mergeTips'));
+                && !isset($this->config->qcVersion)) $this->locate(inlink('to15Guide', "fromVersion=$fromVersion"));
             $this->locate(inlink('afterExec', "fromVersion=$fromVersion"));
         }
 
@@ -165,6 +150,28 @@ class upgrade extends control
         $this->display();
     }
 
+    /**
+     * Guide to 15 version.
+     * 
+     * @param  string    $fromVersion 
+     * @access public
+     * @return void
+     */
+    public function to15Guide($fromVersion)
+    {
+        if($_POST)
+        {
+            $after15mode = fixer::input('post')->get('after15mode');
+            $this->loadModel('setting')->setItem('system.custom.after15mode', $after15mode);
+
+            if($after15mode == 'old') $this->locate(inlink('afterExec', "fromVersion=$fromVersion"));
+            if($after15mode == 'new') $this->locate(inlink('mergeTips'));
+        }
+
+        $this->view->title = $this->lang->upgrade->to15Guide;
+        $this->display();
+    }
+
     /**
      * Merge program tips.
      * 
@@ -433,11 +440,12 @@ class upgrade extends control
         }
 
         $programs = $this->upgrade->getProgramPairs();
+        $currentProgramID = $programID ? $programID : key($programs);
 
         $this->view->title     = $this->lang->upgrade->mergeProgram;
         $this->view->programs  = $programs;
         $this->view->programID = $programID;
-        $this->view->projects  = array('' => '') + $this->upgrade->getProjectPairsByProgram(key($programs));
+        $this->view->projects  = array('' => '') + $this->upgrade->getProjectPairsByProgram($currentProgramID);
         $this->view->users     = $this->loadModel('user')->getPairs('noclosed|noempty');
         $this->view->groups    = $this->loadModel('group')->getPairs();
         $this->display();
@@ -462,6 +470,8 @@ class upgrade extends control
         if(empty($repos))
         {
             $this->loadModel('setting')->deleteItems('owner=system&module=common&section=global&key=upgradeStep');
+
+            if($this->config->version == $this->config->installedVersion) die(js::locate($this->createLink('custom', 'mode')));
             die(js::locate($this->createLink('upgrade', 'afterExec', "fromVersion=&processed=no")));
         }
 
diff --git a/module/upgrade/js/mergeprogram.js b/module/upgrade/js/mergeprogram.js
index 99afcd4b66..196266b8cc 100644
--- a/module/upgrade/js/mergeprogram.js
+++ b/module/upgrade/js/mergeprogram.js
@@ -126,7 +126,7 @@ function getProjectByProgram(obj)
 
 function toggleProgram(obj)
 {
-    var $obj       = $(obj);
+    var $obj = $(obj);
     if($obj.length == 0) return false;
 
     var $programs = $obj.closest('table').find('#programs');
@@ -135,6 +135,7 @@ function toggleProgram(obj)
         $('form .pgm-no-exist').removeClass('hidden');
         $('form .pgm-exist').addClass('hidden');
         $programs.attr('disabled', 'disabled');
+        $('#PGMStatus').closest('.PGMParams').show();
 
         $('form #newProject0').prop('checked', true);
         toggleProject($('form #newProject0'));
@@ -143,6 +144,7 @@ function toggleProgram(obj)
     {
         $('form .pgm-exist').removeClass('hidden');
         $('form .pgm-no-exist').addClass('hidden');
+        $('#PGMStatus').closest('.PGMParams').hide();
         $programs.removeAttr('disabled');
     }
 }
@@ -176,6 +178,38 @@ function toggleProject(obj)
     }
 }
 
+function setPRJStatus()
+{
+    var PRJStatus = 'closed';
+    $(':checkbox:checked[data-status]').each(function()
+    {
+        var status = $(this).attr('data-status');
+        if(status == 'doing' || status == 'suspended') 
+        {
+            PRJStatus = 'doing';
+            return false;
+        }
+
+        if(status == 'wait') PRJStatus = 'wait';
+    });
+    if($(':checkbox:checked[data-status]').length == 0) PRJStatus = 'wait';
+
+    $('#PRJStatus').val(PRJStatus);
+    $('#PRJStatus').trigger('chosen:updated');
+
+    setPGMStatus(PRJStatus);
+}
+
+function setPGMStatus(PRJStatus)
+{
+    var PGMStatus = 'wait';
+    if(PRJStatus != 'wait') PGMStatus = 'doing';
+    if(PRJStatus == 'closed') PGMStatus = 'closed';
+
+    $('#PGMStatus').val(PGMStatus);
+    $('#PGMStatus').trigger('chosen:updated');
+}
+
 function setPGMBegin(PGMBegin)
 {
     $(':checkbox:checked[data-begin]').each(function()
@@ -189,6 +223,8 @@ function setPGMBegin(PGMBegin)
             $('.PGMParams #begin').val(PGMBegin);
         }
     });
+
+	setPRJStatus();
 }
 
 function setPGMEnd(PGMEnd)
diff --git a/module/upgrade/lang/zh-cn.php b/module/upgrade/lang/zh-cn.php
index 6ffb0b6ebb..194e9a20e1 100644
--- a/module/upgrade/lang/zh-cn.php
+++ b/module/upgrade/lang/zh-cn.php
@@ -49,21 +49,16 @@ $lang->upgrade->noticeSQL      = '检查到你的数据库跟标准不一致，
 $lang->upgrade->afterDeleted   = '以上文件未能删除， 删除后刷新！';
 $lang->upgrade->mergeProgram   = '数据迁移';
 $lang->upgrade->mergeTips      = '数据迁移提示';
-$lang->upgrade->to20Demo       = '查看20版本Demo';
-$lang->upgrade->demoURL        = 'http://zentao20.demo.zentao.net';
-$lang->upgrade->videoURL       = 'https://qc.zentao.net/zentao20.mp4';
-$lang->upgrade->to20Tips       = '禅道20版本升级提示';
-$lang->upgrade->to20Button     = '我已经做好备份，开始升级吧！';
-$lang->upgrade->to20TipsHeader = "<p>尊敬的用户，感谢对禅道的支持。自20版本开始，禅道全面升级成为通用的项目管理平台。相关介绍请看如下视频(如视频无法正常播放，请直接访问 <a href='http://zentao20.demo.zentao.net/zentao20.mp4' target='_blank'><u>禅道20版本介绍</u></a>)：</p><br />";
-$lang->upgrade->to20Desc       = <<<EOD
-<div class='text-warning' style='width:60%; margin: auto;'>
-  <p>友情提示：</p>
-  <ol>
-    <li>您可以先安装一个20版本的禅道，体验一下里边的概念和流程。</li>
-    <li>20版本禅道改动比较大，升级之前请做好备份。</li>
-    <li>请放心升级，即使第一次升级不到位，后续还可以再调整，不会影响系统数据。</li>
-  </ol>
-</div>
+$lang->upgrade->to15Guide      = '升级15版本后引导';
+$lang->upgrade->to15Desc       = <<<EOD
+<p>尊敬的用户，禅道从15版本开始对导航和概念做了调整，主要改动如下：</p>
+<ol>
+<li>增加了项目集概念。一个项目集可以包括多个产品和多个项目。</li>
+<li>细分了项目和迭代概念，一个项目可以包含多个迭代。</li>
+<li>导航增加了左侧菜单并支持多页面操作。</li>
+</ol>
+<p>您可以在线体验最新版本的功能以决定是否启用的模式：<a href='http://zentaomax.demo.zentao.net' target='_blank'>演示链接</a>。</p>
+<p>请问您计划如何使用禅道的新版本呢？</p>
 EOD;
 $lang->upgrade->mergeProgramDesc = <<<EOD
 <p>接下来我们会把之前历史产品和迭代数据迁移到项目集和项目下，迁移的方案如下：</p><br />
@@ -77,6 +72,12 @@ $lang->upgrade->mergeProgramDesc = <<<EOD
 <p>可以选择这些迭代归属于某个新项目下。</p>
 EOD;
 
+$lang->upgrade->to15Mode['old'] = '保持老版本的习惯';
+$lang->upgrade->to15Mode['new'] = '全新项目集管理模式';
+
+$lang->upgrade->selectedModeTips['old'] = '后续您还可以在后台-自定义里面切换为全新项目集管理的模式。';
+$lang->upgrade->selectedModeTips['new'] = '切换为项目集管理模式需要对之前的数据进行归并处理，系统会引导您完成这个操作。';
+
 $lang->upgrade->line      = '产品线';
 $lang->upgrade->program   = '目标项目集和项目';
 $lang->upgrade->existPGM  = '已有项目集';
diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index aa1eb8a8e4..b620ed568b 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -3998,7 +3998,7 @@ class upgradeModel extends model
             $program = new stdclass();
             $program->name          = $data->PGMName;
             $program->type          = 'program';
-            $program->status        = 'wait';
+            $program->status        = $data->PGMStatus;
             $program->begin         = $data->begin;
             $program->end           = isset($data->end) ? $data->end : '';
             $program->openedBy      = $account;
@@ -4042,7 +4042,7 @@ class upgradeModel extends model
             $project->type          = 'project';
             $project->model         = 'scrum';
             $project->parent        = $programID;
-            $project->status        = 'wait';
+            $project->status        = $data->PRJStatus;
             $project->begin         = $data->begin;
             $project->end           = isset($data->end) ? $data->end : '';
             $project->PM            = $data->PM;
@@ -4115,29 +4115,9 @@ class upgradeModel extends model
         {
             $projectStory = $sprintStory;
             $projectStory->project = $projectID;
-            $this->dao->insert(TABLE_PROJECTSTORY)->data($projectStory)->exec();
+            $this->dao->replace(TABLE_PROJECTSTORY)->data($projectStory)->exec();
         }
 
-        /* Compute project date. */
-        $linkedSprintIdList  = $this->dao->select('id')->from(TABLE_PROJECT)->where('project')->eq($projectID)->fetchPairs();
-        $linkedSprintIdList += $sprintIdList;
-        $undoneSprints       = $this->dao->select("count('*') as count")->from(TABLE_PROJECT)->where('id')->in($linkedSprintIdList)->andWhere('status')->ne('closed')->fetch('count');
-        $minRealBegan        = $this->dao->select('date')->from(TABLE_ACTION)->where('objectID')->in($linkedSprintIdList)->andWhere('objectType')->eq('project')->andWhere('action')->eq('started')->orderBy('date_asc')->fetch('date');
-        $maxRealEnd          = $this->dao->select('date')->from(TABLE_ACTION)->where('objectID')->in($linkedSprintIdList)->andWhere('objectType')->eq('project')->andWhere('action')->eq('closed')->orderBy('date_desc')->fetch('date');
-
-        $data = new stdClass();
-        $data->realBegan = $minRealBegan ? substr($minRealBegan, 0, 10) : '0000-00-00';
-        if($maxRealEnd and !$undoneSprints)
-        {
-            $data->realEnd    = substr($maxRealEnd, 0, 10);
-            $data->closedDate = $maxRealEnd;
-            $data->status     = 'closed';
-        }
-
-        $this->dao->update(TABLE_PROJECT)->data($data)->where('id')->eq($projectID)->exec();
-
-        if($maxRealEnd and !$undoneSprints) $this->loadModel('action')->create('project', $projectID, 'closedbysystem');
-
         /* Compute product acl. */
         $products = $this->dao->select('id,program,acl')->from(TABLE_PRODUCT)->where('id')->in($productIdList)->fetchAll();
         foreach($products as $product)
@@ -4167,7 +4147,32 @@ class upgradeModel extends model
             $this->dao->update(TABLE_PROJECT)->data($data)->where('id')->eq($sprint->id)->exec();
         }
 
-        /* Set product and project relation. */
+		/* Compute project date and status. */
+		$linkedSprintIdList  = $this->dao->select('id')->from(TABLE_PROJECT)->where('project')->eq($projectID)->fetchPairs();
+		$linkedSprintIdList += $sprintIdList;
+		$minRealBegan        = $this->dao->select('date')->from(TABLE_ACTION)->where('objectID')->in($linkedSprintIdList)->andWhere('objectType')->eq('project')->andWhere('action')->eq('started')->orderBy('date_asc')->fetch('date');
+		$maxRealEnd          = $this->dao->select('date')->from(TABLE_ACTION)->where('objectID')->in($linkedSprintIdList)->andWhere('objectType')->eq('project')->andWhere('action')->eq('closed')->orderBy('date_desc')->fetch('date');
+
+		$PRJStatus = $this->computeStatus($projectID);
+
+		$data = new stdClass();
+		$data->realBegan = $minRealBegan ? substr($minRealBegan, 0, 10) : '0000-00-00';
+		$data->status    = $PRJStatus;
+		if($PRJStatus == 'closed')
+		{
+			$data->realEnd    = substr($maxRealEnd, 0, 10);
+			$data->closedDate = $maxRealEnd;
+		}
+
+		$this->dao->update(TABLE_PROJECT)->data($data)->where('id')->eq($projectID)->exec();
+		if($PRJStatus == 'closed') $this->loadModel('action')->create('project', $projectID, 'closedbysystem');
+
+		/* Compute program status. */
+		$PGMStatus = $this->computeStatus($programID);
+		$this->dao->update(TABLE_PROJECT)->set('status')->eq($PGMStatus)->where('id')->eq($programID)->exec();
+		if($PGMStatus == 'closed') $this->loadModel('action')->create('program', $programID, 'closedbysystem');
+
+		/* Set product and project relation. */
         foreach($productIdList as $productID)
         {
             $data = new stdclass(); 
@@ -4180,9 +4185,34 @@ class upgradeModel extends model
         $this->computeObjectMembers($programID, $projectID, $productIdList, $sprintIdList);
     }
 
-    /**
-     * Compute program and project members.
-     * 
+	/**
+	 * Compute project or program status.
+	 *
+	 * @param  int    $objectID
+	 * @access public
+	 * @return string
+	 */
+	public function computeStatus($objectID)
+	{
+		$objects      = $this->dao->select('id, status')->from(TABLE_PROJECT)->where('parent')->eq($objectID)->fetchPairs();
+		$objectStatus = empty($objects) ? 'wait' : 'closed';
+		foreach($objects as $status)
+		{
+			if($status == 'doing' || $status == 'suspended')
+			{
+				$objectStatus = 'doing'; 
+				break;
+			}
+
+			if($status == 'wait') $objectStatus = 'wait';
+		}
+
+		return $objectStatus;
+	}
+
+	/**
+	 * Compute program and project members.
+	 * 
      * @param  int    $programID 
      * @param  int    $projectID
      * @param  array  $productIdList 
diff --git a/module/upgrade/view/createprogram.html.php b/module/upgrade/view/createprogram.html.php
index 129acc044f..4c0369e48e 100644
--- a/module/upgrade/view/createprogram.html.php
+++ b/module/upgrade/view/createprogram.html.php
@@ -9,7 +9,7 @@
       <div class='input-group'>
         <?php echo html::select("programs", $programs, $programID, "class='form-control hidden pgm-exist' onchange='getProjectByProgram(this)'");?>
         <?php echo html::input("PGMName", isset($programName) ? $programName : '', "class='form-control pgm-no-exist'");?>
-        <?php if(count(programs)):?>
+        <?php if(count($programs)):?>
         <span class='input-group-addon'>
           <div class="checkbox-primary">
             <input type="checkbox" name="newProgram" value="0" checked onchange="toggleProgram(this)" id="newProgram0" />
@@ -20,6 +20,10 @@
       </div>
     </td>
   </tr>
+  <tr class='PGMParams'>
+    <th><?php echo $lang->program->PGMCommon . $lang->program->PGMStatus;?></th>
+    <td><?php echo html::select('PGMStatus', $lang->program->statusList, '', "class='form-control chosen'");?></td>
+  </tr>
   <tr>
     <th>
       <span class="prj-exist hidden"><?php echo $lang->upgrade->existPRJ;?></span>
@@ -40,6 +44,10 @@
       </div>
     </td>
   </tr>
+  <tr class='PGMParams'>
+    <th><?php echo $lang->program->PRJCommon . $lang->program->PRJStatus;?></th>
+    <td><?php echo html::select('PRJStatus', $lang->program->statusList, '', "class='form-control chosen'");?></td>
+  </tr>
   <tr class='PGMParams'>
     <th><?php echo $lang->program->PRJPM;?></th>
     <td><?php echo html::select('PM', array('' => '') + $users, '', "class='form-control chosen'");?></td>
diff --git a/module/upgrade/view/mergebyline.html.php b/module/upgrade/view/mergebyline.html.php
index c33b1ac2d7..898b1ce9cd 100644
--- a/module/upgrade/view/mergebyline.html.php
+++ b/module/upgrade/view/mergebyline.html.php
@@ -37,14 +37,14 @@
           <?php foreach($lineGroups[$line->id] as $productID => $product):?>
           <div class='lineGroup'>
             <div class='productList'>
-            <?php echo html::checkBox("products[$line->id]", array($productID => "{$lang->productCommon} #{$product->id} {$product->name}"), $i == 0 ? $product->id : 0, "title='{$product->name}' data-productid='{$product->id}' data-line='{$line->id}' data-begin='{$product->createdDate}'");?>
+            <?php echo html::checkBox("products[$line->id]", array($productID => $product->name), $i == 0 ? $product->id : 0, "title='{$product->name}' data-productid='{$product->id}' data-line='{$line->id}' data-begin='{$product->createdDate}'");?>
             <?php echo html::hidden("productIdList[$line->id][$productID]", $productID);?>
             </div>
             <div class='projectList'>
               <div class='scroll-handle'>
               <?php if(isset($productGroups[$productID])):?>
               <?php foreach($productGroups[$productID] as $sprint):?>
-              <?php echo html::checkBox("sprints[$line->id][$productID]", array($sprint->id => "{$lang->upgrade->project} #{$sprint->id} {$sprint->name}"), $i == 0 ? $sprint->id : 0, "title='{$sprint->name}' data-product='{$product->id}' data-line='{$line->id}' data-begin='{$sprint->begin}' data-end='{$sprint->end}'");?>
+              <?php echo html::checkBox("sprints[$line->id][$productID]", array($sprint->id => $sprint->name), $i == 0 ? $sprint->id : 0, "title='{$sprint->name}' data-product='{$product->id}' data-line='{$line->id}' data-begin='{$sprint->begin}' data-end='{$sprint->end}' data-status='{$sprint->status}'");?>
               <?php echo html::hidden("sprintIdList[$line->id][$productID][$sprint->id]", $sprint->id);?>
               <?php endforeach;?>
               <?php endif;?>
diff --git a/module/upgrade/view/mergebyproduct.html.php b/module/upgrade/view/mergebyproduct.html.php
index c52a559711..3fdb2dcd53 100644
--- a/module/upgrade/view/mergebyproduct.html.php
+++ b/module/upgrade/view/mergebyproduct.html.php
@@ -26,7 +26,7 @@
             <div class='scroll-handle'>
             <?php if(isset($productGroups[$productID])):?>
             <?php foreach($productGroups[$productID] as $sprint):?>
-            <?php echo html::checkBox("sprints[$productID]", array($sprint->id => "{$sprint->name}"), $isChecked ? $sprint->id : '', "data-product='{$productID}' data-begin='{$sprint->begin}' data-end='{$sprint->end}'");?>
+            <?php echo html::checkBox("sprints[$productID]", array($sprint->id => "{$sprint->name}"), $isChecked ? $sprint->id : '', "data-product='{$productID}' data-begin='{$sprint->begin}' data-end='{$sprint->end}' data-status='{$sprint->status}'");?>
             <?php echo html::hidden("sprintIdList[$productID][$sprint->id]", $sprint->id);?>
             <?php endforeach;?>
             <?php endif;?>
diff --git a/module/upgrade/view/mergebysprint.html.php b/module/upgrade/view/mergebysprint.html.php
index 1916537af3..28669c1d41 100644
--- a/module/upgrade/view/mergebysprint.html.php
+++ b/module/upgrade/view/mergebysprint.html.php
@@ -12,7 +12,7 @@
       </div>
       <div class='line-groups'>
         <?php foreach($noMergedSprints as $sprintID => $sprint):?>
-        <?php echo html::checkBox("sprints", array($sprint->id => "{$lang->upgrade->project} #{$sprint->id} {$sprint->name}"), $sprint->id, "data-begin='{$sprint->begin}' data-end='{$sprint->end}'");?>
+        <?php echo html::checkBox("sprints", array($sprint->id => "{$lang->upgrade->project} #{$sprint->id} {$sprint->name}"), $sprint->id, "data-begin='{$sprint->begin}' data-end='{$sprint->end}' data-status='{$sprint->status}'");?>
         <?php endforeach;?>
       </div>
     </div>
diff --git a/module/upgrade/view/to15guide.html.php b/module/upgrade/view/to15guide.html.php
new file mode 100644
index 0000000000..876b7bc985
--- /dev/null
+++ b/module/upgrade/view/to15guide.html.php
@@ -0,0 +1,39 @@
+<?php
+/**
+ * The to20 view file of upgrade module of ZenTaoPMS.
+ *
+ * @copyright   Copyright 2009-2015 青岛易软天创网络科技有限公司(QingDao Nature Easy Soft Network Technology Co,LTD, www.cnezsoft.com)
+ * @license     ZPL (http://zpl.pub/page/zplv12.html)
+ * @author      Yidong Wang <yidong@cnezsoft.com>
+ * @package     upgrade
+ * @version     $Id$
+ * @link        http://www.zentao.net
+ */
+?>
+<?php include '../../common/view/header.lite.html.php';?>
+<div class='container'>
+  <div class='panel' style='padding:20px;'>
+    <form method='post'>
+      <div class='panel-title text-center'><?php echo $lang->upgrade->to15Guide;?></div>
+      <div class='panel-body'>
+        <div style='width:600px; margin: auto;'>
+          <?php echo $lang->upgrade->to15Desc;?>
+          <?php echo html::radio('after15mode', $lang->upgrade->to15Mode, 'old');?>
+          <div id='selectedModeTips' class='text-info'><?php echo $lang->upgrade->selectedModeTips['old'];?></div>
+        </div>
+      </div>
+      <div class='panel-footer text-center'><?php echo html::submitButton();?></div>
+    </form>
+  </div>
+</div>
+<?php js::set('selectedModeTips', $lang->upgrade->selectedModeTips);?>
+<script>
+$(function()
+{
+    $('[name=after15mode]').change(function()
+    {
+        $('#selectedModeTips').html(selectedModeTips[$(this).val()]);
+    })
+})
+</script>
+<?php include '../../common/view/footer.lite.html.php';?>
diff --git a/module/upgrade/view/to20.html.php b/module/upgrade/view/to20.html.php
deleted file mode 100644
index 8e84009358..0000000000
--- a/module/upgrade/view/to20.html.php
+++ /dev/null
@@ -1,31 +0,0 @@
-<?php
-/**
- * The to20 view file of upgrade module of ZenTaoPMS.
- *
- * @copyright   Copyright 2009-2015 青岛易软天创网络科技有限公司(QingDao Nature Easy Soft Network Technology Co,LTD, www.cnezsoft.com)
- * @license     ZPL (http://zpl.pub/page/zplv12.html)
- * @author      Yidong Wang <yidong@cnezsoft.com>
- * @package     upgrade
- * @version     $Id$
- * @link        http://www.zentao.net
- */
-?>
-<?php include '../../common/view/header.lite.html.php';?>
-<div class='container'>
-  <div class='panel' style='padding:20px;'>
-    <div class='panel-title text-center'><?php echo $lang->upgrade->to20Tips;?></div>
-    <div class='panel-body text-center'>
-      <?php echo $lang->upgrade->to20TipsHeader;?>
-      <div class='video'>
-        <video src=<?php echo $video;?> height='400px' controls='controls' width='60%'></video>
-      </div>
-      <div class='desc text-left' style='margin-top: 20px'><?php echo $lang->upgrade->to20Desc;?></div>
-    </div>
-    <div class='panel-footer text-center'>
-      <?php echo html::a($lang->upgrade->demoURL, $lang->upgrade->to20Demo, '_blank', "class='btn btn-secondary'");?>
-      <?php echo html::a($this->createLink('upgrade', 'backup'), $lang->upgrade->to20Button, '', "class='btn btn-primary'");?>
-    </div>
-  </div>
-</div>
-<?php include '../../common/view/footer.lite.html.php';?>
-