diff --git a/module/project/control.php b/module/project/control.php
index baf1643134..a5887cbd1a 100644
--- a/module/project/control.php
+++ b/module/project/control.php
@@ -915,7 +915,7 @@ class project extends control
         $whitelist   = '';
         $acl         = 'open';
         $plan        = new stdClass();
-        $productPlan = new stdClass();
+        $productPlan = array();
 
         if($copyProjectID)
         {
@@ -969,7 +969,7 @@ class project extends control
         $this->view->code          = $code;
         $this->view->team          = $team;
         $this->view->products      = $products;
-        $this->view->productPlan   = $productPlan;
+        $this->view->productPlan   = array(0 => '') + $productPlan;
         $this->view->whitelist     = $whitelist;
         $this->view->copyProjectID = $copyProjectID;
         $this->view->branchGroups  = $this->loadModel('branch')->getByProducts(array_keys($products));
diff --git a/module/project/model.php b/module/project/model.php
index 0deb04c9a4..87f4bca07e 100644
--- a/module/project/model.php
+++ b/module/project/model.php
@@ -908,6 +908,8 @@ class projectModel extends model
             if(($this->session->taskBrowseType) and ($this->session->taskBrowseType != 'bysearch')) $browseType = $this->session->taskBrowseType;
         }
 
+        $this->session->set('taskWithChildren', in_array($browseType, array('unclosed', 'byproject', 'all')) ? false : true);
+
         /* Get tasks. */
         $tasks = array();
         if($browseType != "bysearch")
diff --git a/module/project/view/bug.html.php b/module/project/view/bug.html.php
index 14064dc887..5124141717 100644
--- a/module/project/view/bug.html.php
+++ b/module/project/view/bug.html.php
@@ -17,7 +17,7 @@
     <?php if($build) echo ' <span class="label label-danger">Build:' . $build->name . '</span>'; ?>
   </div>
   <div class='actions'>
-    <?php common::printIcon('bug', 'export', "productID=$productID&orderBy=$orderBy", '', 'button', '', '', "export iframe");?>
+    <?php common::printIcon('bug', 'export', "productID=$productID&orderBy=$orderBy", '', 'button', '', '', "export");?>
     <?php common::printIcon('bug', 'create', "productID=$productID&branch=$branchID&extra=projectID=$project->id");?>
   </div>
   <div id='querybox' class='show'></div>
diff --git a/module/project/view/create.html.php b/module/project/view/create.html.php
index 16853416fa..a1059cf7b0 100644
--- a/module/project/view/create.html.php
+++ b/module/project/view/create.html.php
@@ -121,7 +121,12 @@
               <?php echo html::select("plans[" . $plan->product . "]", $productPlan, $plan->id, "class='form-control'");?>
               <?php js::set('currentPlanID', $plan->id)?>
             </div>
-            <?php endif;?>
+            <?php else:?>
+            <div class="col-sm-3" id="plan0">
+              <?php echo html::select("plans[]", $productPlan, '', "class='form-control'");?>
+              <?php js::set('currentPlanID', '')?>
+            </div>
+            <?php endif?>
           </div>
         </td>
       </tr>
diff --git a/module/project/view/taskheader.html.php b/module/project/view/taskheader.html.php
index 285cffeca0..9ebb5cc06f 100644
--- a/module/project/view/taskheader.html.php
+++ b/module/project/view/taskheader.html.php
@@ -97,7 +97,7 @@
         </button>
         <ul class='dropdown-menu' id='exportActionMenu'>
         <?php 
-        $misc = common::hasPriv('task', 'export') ? "class='export iframe'" : "class=disabled";
+        $misc = common::hasPriv('task', 'export') ? "class='export'" : "class=disabled";
         $link = common::hasPriv('task', 'export') ? $this->createLink('task', 'export', "project=$projectID&orderBy=$orderBy&type=$browseType") : '#';
         echo "<li>" . html::a($link, $lang->task->export, '', $misc) . "</li>";
         ?>
diff --git a/module/story/view/edit.html.php b/module/story/view/edit.html.php
index 34c6a131e1..04ec57b190 100644
--- a/module/story/view/edit.html.php
+++ b/module/story/view/edit.html.php
@@ -185,10 +185,13 @@
             <td><?php echo html::input('duplicateStory', $story->duplicateStory, "class='form-control' autocomplete='off'");?></td>
           </tr>
           <?php endif;?>
-          <tr class='text-top'>
+          <tr>
             <th class='w-70px'><?php echo $lang->story->linkStories;?></th>
+            <td><?php echo html::a($this->createLink('story', 'linkStory', "storyID=$story->id&type=linkStories", '', true), $lang->story->linkStory, '', "data-toggle='modal' data-type='iframe' data-width='95%'");?></td>
+          </tr>
+          <tr>
+            <th></th>
             <td>
-              <?php echo html::a($this->createLink('story', 'linkStory', "storyID=$story->id&type=linkStories", '', true), $lang->story->linkStory, '', "data-toggle='modal' data-type='iframe' data-width='95%'");?>
               <ul class='list-unstyled' id='linkStoriesBox'>
               <?php
               $linkStories = explode(',', $story->linkStories);
diff --git a/module/task/control.php b/module/task/control.php
index bccc9fbc40..ab8d845252 100644
--- a/module/task/control.php
+++ b/module/task/control.php
@@ -1272,42 +1272,45 @@ class task extends control
             $relatedFiles   = $this->dao->select('id, objectID, pathname, title')->from(TABLE_FILE)->where('objectType')->eq('task')->andWhere('objectID')->in(@array_keys($tasks))->andWhere('extra')->ne('editor')->fetchGroup('objectID');
             $relatedModules = $this->loadModel('tree')->getTaskOptionMenu($projectID);
 
-            $children = $this->dao->select('*')->from(TABLE_TASK)->where('deleted')->eq(0)
-                ->andWhere('parent')->in(array_keys($tasks))
-                ->beginIF($this->post->exportType == 'selected')->andWhere('id')->in($this->cookie->checkedItem)->fi()
-                ->orderBy($sort)
-                ->fetchGroup('parent', 'id');
-            if(!empty($children))
+            if(!$this->session->taskWithChildren)
             {
-                foreach($children as $parent => $childTasks)
+                $children = $this->dao->select('*')->from(TABLE_TASK)->where('deleted')->eq(0)
+                    ->andWhere('parent')->in(array_keys($tasks))
+                    ->beginIF($this->post->exportType == 'selected')->andWhere('id')->in($this->cookie->checkedItem)->fi()
+                    ->orderBy($sort)
+                    ->fetchGroup('parent', 'id');
+                if(!empty($children))
                 {
-                    foreach($childTasks as $task)
+                    foreach($children as $parent => $childTasks)
                     {
-                        /* Compute task progress. */
-                        if($task->consumed == 0 and $task->left == 0)
+                        foreach($childTasks as $task)
                         {
-                            $task->progress = 0;
+                            /* Compute task progress. */
+                            if($task->consumed == 0 and $task->left == 0)
+                            {
+                                $task->progress = 0;
+                            }
+                            elseif($task->consumed != 0 and $task->left == 0)
+                            {
+                                $task->progress = 100;
+                            }
+                            else
+                            {
+                                $task->progress = round($task->consumed / ($task->consumed + $task->left), 2) * 100;
+                            }
+                            $task->progress .= '%';
                         }
-                        elseif($task->consumed != 0 and $task->left == 0)
-                        {
-                            $task->progress = 100;
-                        }
-                        else
-                        {
-                            $task->progress = round($task->consumed / ($task->consumed + $task->left), 2) * 100;
-                        }
-                        $task->progress .= '%';
                     }
-                }
 
-                $position = 0;
-                foreach($tasks as $task)
-                {
-                    $position ++;
-                    if(isset($children[$task->id]))
+                    $position = 0;
+                    foreach($tasks as $task)
                     {
-                        array_splice($tasks, $position, 0, $children[$task->id]);
-                        $position += count($children[$task->id]);
+                        $position ++;
+                        if(isset($children[$task->id]))
+                        {
+                            array_splice($tasks, $position, 0, $children[$task->id]);
+                            $position += count($children[$task->id]);
+                        }
                     }
                 }
             }
diff --git a/module/task/lang/en.php b/module/task/lang/en.php
index b6d6d063c0..7104288e6b 100644
--- a/module/task/lang/en.php
+++ b/module/task/lang/en.php
@@ -165,6 +165,7 @@ $lang->task->remindBug             = "This Task is converted from a Bug. Do you
 $lang->task->confirmChangeProject  = "If you change {$lang->projectCommon}, the related Module, Story and Assignor will be changed. Do you want to do it?";
 $lang->task->confirmFinish         = '"Left Hour" is 0. Do you want to change the Status to "Done"?';
 $lang->task->confirmRecord         = '"Left Hour" is 0. Do you want to set Task as "Done"?';
+$lang->task->confirmTransfer       = '"Left Hour" is 0，Do you want to transfer task?';
 $lang->task->noticeLinkStory       = "No story has been linked. You can %s for this project, then %s.";
 $lang->task->noticeSaveRecord      = 'Your Hour is not saved. Please save it first.';
 $lang->task->commentActions        = '%s. %s, commented by <strong>%s</strong>.';
diff --git a/module/task/lang/zh-cn.php b/module/task/lang/zh-cn.php
index 68e1e4b266..aaaca64baa 100644
--- a/module/task/lang/zh-cn.php
+++ b/module/task/lang/zh-cn.php
@@ -165,6 +165,7 @@ $lang->task->remindBug             = "该任务为Bug转化得到，是否更新
 $lang->task->confirmChangeProject  = "修改{$lang->projectCommon}会导致相应的所属模块、相关需求和指派人发生变化，确定吗？";
 $lang->task->confirmFinish         = '"预计剩余"为0，确认将任务状态改为"已完成"吗？';
 $lang->task->confirmRecord         = '"剩余"为0，任务将标记为"已完成"，您确定吗？';
+$lang->task->confirmTransfer       = '"当前剩余"为0，任务将被转交，您确定吗？';
 $lang->task->noticeLinkStory       = "没有可关联的相关需求，您可以为当前项目%s，然后%s";
 $lang->task->noticeSaveRecord      = '您有尚未保存的工时记录，请先将其保存。';
 $lang->task->commentActions        = '%s. %s, 由 <strong>%s</strong> 添加备注。';
diff --git a/module/task/model.php b/module/task/model.php
index 599968ddae..ec34c23a50 100644
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -445,6 +445,9 @@ class taskModel extends model
         $teams = array();
         if($this->post->multiple)
         {
+            $consumed = 0;
+            $estimate = 0;
+            $left = 0;
             foreach($this->post->team as $row => $account)
             {
                 if(empty($account) or isset($team[$account])) continue;
@@ -457,15 +460,26 @@ class taskModel extends model
                 $member->type     = 'task';
                 $member->estimate = $this->post->teamEstimate[$row] ? $this->post->teamEstimate[$row] : 0;
                 $member->consumed = $this->post->teamConsumed[$row] ? $this->post->teamConsumed[$row] : 0;
-                $member->left     = $member->estimate - $member->consumed;
+                $member->left     = $this->post->teamLeft[$row] ? $this->post->teamLeft[$row] : ($member->estimate - $member->consumed);
                 $member->order    = $row;
                 $teams[$account]  = $member;
-            }
 
-            if(!empty($teams) and !isset($task->assignedTo))
+                $consumed += (float)$member->consumed;
+                $estimate += (float)$member->estimate;
+                $left     += (float)$member->left;
+            }
+            
+            if(!empty($teams))
             {
-                $firstMember      = reset($teams);
-                $task->assignedTo = $firstMember->account;
+                $task->consumed = $consumed;
+                $task->estimate = $estimate;
+                $task->left     = $left;
+
+                if(!isset($task->assignedTo))
+                {
+                    $firstMember      = reset($teams);
+                    $task->assignedTo = $firstMember->account;
+                }
             }
         }
 
@@ -945,19 +959,28 @@ class taskModel extends model
             $data->consumed = $teamTime->consumed;
             $data->left     = $teamTime->leftTime;
 
-            if($task->status == 'done')
+            $newTask = new stdClass();
+            $newTask->left     = $data->left;
+            $newTask->consumed = $data->consumed;
+
+            if($left != 0 || $task->assignedTo != $teams[count($teams) - 1])
             {
-                $newTask = new stdClass();
-                $newTask->left         = $data->left;
-                $newTask->consumed     = $data->consumed;
-                $newTask->assignedTo   = $this->getNextUser($teams, $task->assignedTo);
-                $newTask->assignedDate = $now;
+                $newTask->status = 'doing';
+                if($task->assignedTo != $teams[count($teams) - 1] && $left == 0)
+                {
+                    $newTask->assignedTo   = $this->getNextUser($teams, $task->assignedTo);
+                    $newTask->assignedDate = $now;
+                }
+
+                $task->status = $oldStatus;
                 $this->dao->update(TABLE_TASK)->data($newTask)->where('id')->eq((int)$taskID)->exec();
 
-                if($task->assignedTo != $teams[count($teams) - 1]) return common::createChanges($task, $newTask);
-
-                $data->assignedTo = $task->openedBy; // Fix bug#1345
+                $changes = common::createChanges($task, $newTask);
+                if(!empty($actionID)) $this->action->logHistory($actionID, $changes);
+                return $changes;
             }
+
+            $data->assignedTo = $task->openedBy;
         }
 
         $this->dao->update(TABLE_TASK)->data($data)->where('id')->eq($taskID)->exec();
@@ -1343,7 +1366,7 @@ class taskModel extends model
             ->page($pager, 't1.id')
             ->fetchAll('id');
 
-        $this->loadModel('common')->saveQueryCondition($this->dao->get(), 'task', ($productID or in_array($type, array('assignedtome', 'myinvolved', 'needconfirm'))) ? false : true);
+        $this->loadModel('common')->saveQueryCondition($this->dao->get(), 'task', ($productID or in_array($type, array('myinvolved', 'needconfirm'))) ? false : true);
 
         if(empty($tasks)) return array();
 
diff --git a/module/task/view/recordestimate.html.php b/module/task/view/recordestimate.html.php
index 697cfa17ed..2411bc8571 100644
--- a/module/task/view/recordestimate.html.php
+++ b/module/task/view/recordestimate.html.php
@@ -12,7 +12,8 @@
 ?>
 <?php include '../../common/view/header.lite.html.php';?>
 <?php include '../../common/view/datepicker.html.php';?>
-<?php js::set('confirmRecord',    $lang->task->confirmRecord);?>
+<?php $team = array_keys($task->team);?>
+<?php js::set('confirmRecord',    (!empty($team) && $task->assignedTo != end($team)) ? $lang->task->confirmTransfer : $lang->task->confirmRecord);?>
 <?php js::set('noticeSaveRecord', $lang->task->noticeSaveRecord);?>
 <div id='titlebar'>
   <div class='heading'>