diff --git a/framework/base/router.class.php b/framework/base/router.class.php
index 706aabcdc6..a9c4c6cd0a 100644
--- a/framework/base/router.class.php
+++ b/framework/base/router.class.php
@@ -140,6 +140,15 @@ class baseRouter
      */
     public $clientLang;
 
+    /**
+     * 当前页面所在的group，用于左侧菜单栏判断。
+     * The current group(url: '#open=?'), highlight left menu.
+     *
+     * @var string
+     * @access public
+     */
+    public $openGroup;
+
     /**
      * 用户使用的主题。
      * The theme of the client user.
@@ -373,6 +382,7 @@ class baseRouter
         $this->setTimezone();
         $this->startSession();
         $this->setPRJ();
+        $this->setOpenGroup();
 
         if($this->config->framework->multiSite)     $this->setSiteCode() && $this->loadExtraConfig();
         if($this->config->framework->autoConnectDB) $this->connectDB();
@@ -835,7 +845,9 @@ class baseRouter
             if($this->config->customSession) session_save_path($this->getTmpRoot() . 'session');
             session_start();
 
-            $this->sessionID = session_id();
+            /* If request header has token, use it as session for authentication. */
+            $this->sessionID = $_SERVER['HTTP_TOKEN'] ? session_id($_SERVER['HTTP_TOKEN']) : session_id();
+
             if(isset($_GET[$this->config->sessionVar])) helper::restartSession($_GET[$this->config->sessionVar]);
 
             define('SESSION_STARTED', true);
@@ -854,6 +866,18 @@ class baseRouter
         if(isset($_GET['PRJ'])) $this->session->set('PRJ', $_GET['PRJ']); //Set PRJ id into session.
     }
 
+    /**
+     * 从cookie中获取当前的group, 即URL锚链接'#open=?'。
+     * Get current group from cookie, original source is url '#open=?'.
+     *
+     * @access public
+     * @return void
+     */
+    public function setOpenGroup()
+    {
+        if(isset($_COOKIE['openGroup'])) $this->openGroup = $_COOKIE['openGroup'];
+    }
+
     /**
      * 根据用户浏览器的语言设置和服务器配置，选择显示的语言。
      * 优先级：$lang参数 > session > cookie > 浏览器 > 配置文件。
diff --git a/module/common/model.php b/module/common/model.php
index 575885da83..58e3654100 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -1055,6 +1055,10 @@ class commonModel extends model
      */
     public static function printLink($module, $method, $vars = '', $label, $target = '', $misc = '', $newline = true, $onlyBody = false, $object = null)
     {
+        /* Add data-group attribute. */
+        global $app;
+        if(strpos($misc, 'data-group') === false) $misc .= ' data-group="' . $app->openGroup . '"';
+
         if(!commonModel::hasPriv($module, $method, $object)) return false;
         echo html::a(helper::createLink($module, $method, $vars, '', $onlyBody), $label, $target, $misc, $newline);
         return true;
@@ -1146,6 +1150,9 @@ EOD;
 
         global $app, $lang, $config;
 
+        /* Add data-group attribute. */
+        if(strpos($misc, 'data-group') === false) $misc .= ' data-group="' . $app->openGroup . '"';
+
         /* Judge the $method of $module clickable or not, default is clickable. */
         $clickable = true;
         if(is_object($object))
diff --git a/module/index/js/index.js b/module/index/js/index.js
index 8c3d1b90db..bbe1de2407 100644
--- a/module/index/js/index.js
+++ b/module/index/js/index.js
@@ -165,6 +165,9 @@
             }
         }
 
+        /* Set openGroup cookie */
+        $.cookie('openGroup', group, {expires: config.cookieLife, path: config.webRoot});
+
         /* Highlight at main menu */
         var $menuMainNav = $('#menuMainNav');
         var $lastActiveNav = $menuMainNav.find('li.active');
diff --git a/module/project/view/story.html.php b/module/project/view/story.html.php
index 8d84d217b3..84b6a2484d 100644
--- a/module/project/view/story.html.php
+++ b/module/project/view/story.html.php
@@ -151,7 +151,7 @@
         <tbody id='storyTableList' class='sortable'>
           <?php foreach($stories as $key => $story):?>
           <?php
-          $storyLink      = $this->createLink('story', 'view', "storyID=$story->id&version=$story->version&from=project&param=$project->id");
+          $storyLink      = $this->createLink('story', 'view', "storyID=$story->id&version=$story->version&param=$project->id");
           $totalEstimate += $story->estimate;
           ?>
           <tr id="story<?php echo $story->id;?>" data-id='<?php echo $story->id;?>' data-order='<?php echo $story->order ?>' data-estimate='<?php echo $story->estimate?>' data-cases='<?php echo zget($storyCases, $story->id, 0)?>'>
diff --git a/module/story/control.php b/module/story/control.php
index c5e2788075..5d1f5964c3 100644
--- a/module/story/control.php
+++ b/module/story/control.php
@@ -25,6 +25,8 @@ class story extends control
         $this->loadModel('tree');
         $this->loadModel('user');
         $this->loadModel('action');
+
+        if($this->app->openGroup == 'project') $this->app->rawModule = 'projectstory';
     }
 
     /**
@@ -56,7 +58,7 @@ class story extends control
             if($project->type == 'project')
             {
                 $this->app->rawModule = 'projectstory';
-                $this->lang->navGroup->story = 'project';
+                $this->lang->navGroup->projectstory = 'project';
                 $this->lang->product->menu = $this->lang->menu->{$project->model};
             }
             else
@@ -535,11 +537,10 @@ class story extends control
      * Edit a story.
      *
      * @param  int    $storyID
-     * @param  string $from product|project
      * @access public
      * @return void
      */
-    public function edit($storyID, $from = 'product')
+    public function edit($storyID)
     {
         if(!empty($_POST))
         {
@@ -560,23 +561,16 @@ class story extends control
             }
             else
             {
-                $module = $from == 'project' ? 'projectstory' : 'story';
-                die(js::locate($this->createLink($module, 'view', "storyID=$storyID"), 'parent'));
+                die(js::locate($this->createLink($this->app->rawModule, 'view', "storyID=$storyID"), 'parent'));
             }
         }
 
-        if($from == 'project')
-        {
-            $this->app->rawModule = 'projectstory';
-            $this->lang->navGroup->story = 'project';
-        }
-
         $this->commonAction($storyID);
 
         /* Assign. */
         $story   = $this->story->getById($storyID, 0, true);
         $product = $this->product->getById($story->product);
-        $stories = $this->story->getParentStoryPairs($story->product, $story->parent); 
+        $stories = $this->story->getParentStoryPairs($story->product, $story->parent);
         if(isset($stories[$storyID])) unset($stories[$storyID]);
 
         $this->story->replaceURLang($story->type);
@@ -775,12 +769,6 @@ class story extends control
             die(js::locate($this->createLink($module, 'view', "storyID=$storyID"), 'parent'));
         }
 
-        if($from == 'project')
-        {
-            $this->app->rawModule = 'projectstory';
-            $this->lang->navGroup->story = 'project';
-        }
-
         $this->commonAction($storyID);
         $this->story->getAffectedScope($this->view->story);
         $this->app->loadLang('task');
@@ -836,10 +824,11 @@ class story extends control
      *
      * @param  int    $storyID
      * @param  int    $version
+     * @param  int    $param
      * @access public
      * @return void
      */
-    public function view($storyID, $version = 0, $from = 'product', $param = 0)
+    public function view($storyID, $version = 0, $param = 0)
     {
         $storyID = (int)$storyID;
         $story   = $this->story->getById($storyID, $version, true);
@@ -858,12 +847,11 @@ class story extends control
         $users        = $this->user->getPairs('noletter');
 
         /* Set the menu. */
+        $from = $this->app->openGroup;
         if($from == 'project')
         {
             $project = $this->dao->findById((int)$this->session->PRJ)->from(TABLE_PROJECT)->fetch();
-            $this->app->rawModule = 'project';
-            $this->lang->navGroup->story = 'project';
-            $this->lang->product->menu   = $this->lang->menu->{$project->model};
+            $this->lang->product->menu = $this->lang->menu->{$project->model};
             $this->project->setMenu($this->project->getExecutionPairs($this->session->PRJ, 'all', 'nodeleted'), $project->id);
 
             /* If status is done, can not create task from story. */
@@ -1321,11 +1309,11 @@ class story extends control
         if(!dao::isError()) $this->loadModel('score')->create('ajax', 'batchOther');
         die(js::locate($this->session->storyList, 'parent'));
     }
-    
+
     /**
      * Assign to.
-     * 
-     * @param  int    $storyID 
+     *
+     * @param  int    $storyID
      * @access public
      * @return void
      */
@@ -1592,15 +1580,15 @@ class story extends control
      * @return void
      */
     public function processStoryChange($storyID, $result = 'yes')
-    {   
+    {
         $this->commonAction($storyID);
         $story = $this->story->getByID($storyID);
 
         if($result == 'no')
-        {   
+        {
             $this->dao->update(TABLE_STORY)->set('URChanged')->eq(0)->where('id')->eq($storyID)->exec();
             die(js::closeModal('parent.parent', 'this'));
-        }   
+        }
 
         $this->view->changedStories = $this->story->getChangedStories($story);
         $this->view->users          = $this->loadModel('user')->getPairs('noletter');
@@ -1795,7 +1783,7 @@ class story extends control
 
         $this->story->replaceURLang($storyType);
         $this->products = $this->product->getPairs();
-        $this->lang->product->switcherMenu   = $this->product->getSwitcher($productID, $storyType, $branchID); 
+        $this->lang->product->switcherMenu   = $this->product->getSwitcher($productID, $storyType, $branchID);
         $this->lang->product->mainMenuAction = $this->product->getProductMainAction();
         $this->product->setMenu($this->products, $productID, $branchID);
 
@@ -2110,8 +2098,8 @@ class story extends control
     /**
      * Ajax get story status.
      * 
-     * @param  string $method 
-     * @param  string $params 
+     * @param  string $method
+     * @param  string $params
      * @access public
      * @return void
      */
diff --git a/module/story/view/view.html.php b/module/story/view/view.html.php
index 3fac5eb790..b1eeb9efbd 100644
--- a/module/story/view/view.html.php
+++ b/module/story/view/view.html.php
@@ -412,7 +412,7 @@
               foreach($relations as $item) $relation[$item->id] = $item->title;
               foreach($relation as $id => $title)
               {
-                  echo "<li title='$title'>" . html::a($this->createLink('story', 'view', "id=$id", '', true), "#$id $title", '', "class='iframe' data-width='80%'"); 
+                  echo "<li title='$title'>" . html::a($this->createLink('story', 'view', "id=$id", '', true), "#$id $title", '', "class='iframe' data-width='80%'");
                   echo html::a($this->createLink('story', 'linkStory', "storyID=$story->id&type=remove&linkedID=$id"), '<i class="icon icon-close"></i>', 'hiddenwin', "class='deleter hide removeButton'");
               }
               ?>