diff --git a/module/common/model.php b/module/common/model.php
index fa01a28794..bd2c824dc7 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -1807,7 +1807,7 @@ EOD;
 
         if(empty($class)) $class = 'btn';
         $title = $lang->goback . $lang->backShortcutKey;
-        echo html::a($backLink, '<i class="icon-goback icon-back"></i> ' . $lang->goback, '', "id='back' class='{$class}' title={$title}");
+        echo html::a($backLink, '<i class="icon-goback icon-back"></i> ' . $lang->goback, '', "id='back' class='{$class}' title={$title} data-app='{$app->tab}'");
     }
 
     /**
diff --git a/module/testtask/control.php b/module/testtask/control.php
index 5c6ff693ec..ce61d12c53 100644
--- a/module/testtask/control.php
+++ b/module/testtask/control.php
@@ -318,10 +318,12 @@ class testtask extends control
         if($this->app->tab == 'project')
         {
             $this->loadModel('project')->setMenu($task->project);
+            $this->lang->modulePageNav = $this->testtask->select($productID, $taskID, 'project', $task->project);
         }
         elseif($this->app->tab == 'execution')
         {
             $this->loadModel('execution')->setMenu($task->execution);
+            $this->lang->modulePageNav = $this->testtask->select($productID, $taskID, 'execution', $task->execution);
         }
         elseif($this->app->tab == 'qa')
         {
@@ -481,10 +483,12 @@ class testtask extends control
         if($this->app->tab == 'project')
         {
             $this->loadModel('project')->setMenu($task->project);
+            $this->lang->modulePageNav = $this->testtask->select($productID, $taskID, 'project', $task->project);
         }
         elseif($this->app->tab == 'execution')
         {
             $this->loadModel('execution')->setMenu($task->execution);
+            $this->lang->modulePageNav = $this->testtask->select($productID, $taskID, 'execution', $task->execution);
         }
         else
         {
@@ -612,10 +616,12 @@ class testtask extends control
         if($this->app->tab == 'project')
         {
             $this->loadModel('project')->setMenu($task->project);
+            $this->lang->modulePageNav = $this->testtask->select($productID, $taskID, 'project', $task->project);
         }
         elseif($this->app->tab == 'execution')
         {
             $this->loadModel('execution')->setMenu($task->execution);
+            $this->lang->modulePageNav = $this->testtask->select($productID, $taskID, 'execution', $task->execution);
         }
         else
         {
@@ -676,10 +682,12 @@ class testtask extends control
         if($this->app->tab == 'project')
         {
             $this->loadModel('project')->setMenu($this->session->project);
+            $this->lang->modulePageNav = $this->testtask->select($productID, $taskID, 'project', $task->project);
         }
         elseif($this->app->tab == 'execution')
         {
             $this->loadModel('execution')->setMenu($task->execution);
+            $this->lang->modulePageNav = $this->testtask->select($productID, $taskID, 'execution', $task->execution);
         }
         else
         {
@@ -1062,10 +1070,12 @@ class testtask extends control
         if($this->app->tab == 'project')
         {
             $this->loadModel('project')->setMenu($task->project);
+            $this->lang->modulePageNav = $this->testtask->select($productID, $taskID, 'project', $task->project);
         }
         elseif($this->app->tab == 'execution')
         {
             $this->loadModel('execution')->setMenu($task->execution);
+            $this->lang->modulePageNav = $this->testtask->select($productID, $taskID, 'execution', $task->execution);
         }
         else
         {
@@ -1534,12 +1544,17 @@ class testtask extends control
      * @param  int    $productID
      * @param  int    $branch
      * @param  int    $taskID
+     * @param  string $module
+     * @param  string $method
+     * @param  string $objectType
+     * @param  int    $objectID
      * @access public
      * @return void
      */
-    public function ajaxGetDropMenu($productID, $branch, $taskID, $module, $method)
+    public function ajaxGetDropMenu($productID, $branch, $taskID, $module, $method, $objectType = '', $objectID = 0)
     {
-        $testtasks = $this->testtask->getProductTasks($productID, $branch, 'id_desc', null, array('local', 'totalStatus'));
+        $status    = empty($objectType) ? 'local' : 'totalStatus';
+        $testtasks = $this->testtask->getProductTasks($productID, $branch, 'id_desc', null, array($status, 'totalStatus'));
         $namePairs = array_column($testtasks, 'name');
 
         $this->view->currentTaskID   = $taskID;
@@ -1548,6 +1563,8 @@ class testtask extends control
         $this->view->method          = $method;
         $this->view->productID       = $productID;
         $this->view->branch          = $branch;
+        $this->view->objectType      = $objectType;
+        $this->view->objectID        = $objectID;
         $this->view->testtasksPinyin = common::convert2Pinyin($namePairs);
 
         $this->display();
diff --git a/module/testtask/model.php b/module/testtask/model.php
index 3edea977cd..32a87984d9 100644
--- a/module/testtask/model.php
+++ b/module/testtask/model.php
@@ -2328,4 +2328,32 @@ class testtaskModel extends model
         $this->lang->switcherMenu = $selectHtml;
         common::setMenuVars('qa', $productID);
     }
+
+    /**
+     * Create the select code of testtasks.
+     *
+     * @param  int    $productID
+     * @param  int    $testtaskID
+     * @param  string $objectType execution|project
+     * @param  int    $objectID
+     * @access public
+     * @return string
+     */
+    public function select($productID, $testtaskID, $objectType = '', $objectID = 0)
+    {
+        $output        = '';
+        $currentModule = $this->app->rawModule;
+        $currentMethod = $this->app->rawMethod;
+        if($testtaskID and $this->app->viewType != 'mhtml')
+        {
+            $dropMenuLink = helper::createLink('testtask', 'ajaxGetDropMenu', "productID=$productID&branch=&taskID=$testtaskID&module=$currentModule&method=$currentMethod&objectType=$objectType&objectID=$objectID");
+            $testtask     = $this->getById($testtaskID);
+
+            $output .= "<div class='btn-group angle-btn'><div class='btn-group'><button data-toggle='dropdown' type='button' class='btn btn-limit' id='currentTesttask' title='{$testtask->name}'><span class='text'>{$testtask->name}</span> <span class='caret'></span></button><div id='dropMenu' class='dropdown-menu search-list' data-ride='searchList' data-url='$dropMenuLink'>";
+            $output .= '<div class="input-control search-box has-icon-left has-icon-right search-example"><input type="search" class="form-control search-input" /><label class="input-control-icon-left search-icon"><i class="icon icon-search"></i></label><a class="input-control-icon-right search-clear-btn"><i class="icon icon-close icon-sm"></i></a></div>';
+            $output .= "</div></div>";
+        }
+        $output .= '</div>';
+        return $output;
+    }
 }
diff --git a/module/testtask/view/ajaxgetdropmenu.html.php b/module/testtask/view/ajaxgetdropmenu.html.php
index bed4246785..8bc053923c 100644
--- a/module/testtask/view/ajaxgetdropmenu.html.php
+++ b/module/testtask/view/ajaxgetdropmenu.html.php
@@ -19,6 +19,9 @@
 $selectHtml = '';
 foreach($testtasks as $testtaskID => $testtask)
 {
+    if($objectType == 'project' and $testtask->project != $objectID) continue;
+    if($objectType == 'execution' and $testtask->execution != $objectID) continue;
+
     $selected    = (string)$testtaskID == $currentTaskID ? 'selected' : '';
     $param       = $method == 'report' ? "productID=$productID&taskID=$testtaskID&browseType=all&branch=$branch" : "taskID=$testtaskID";
     $selectHtml .= html::a($this->createLink($module, $method, $param), $testtask->name, '', "class='$selected' data-key='{$testtasksPinyin[$testtask->name]}' data-app='{$this->app->tab}' title='{$testtask->name}'");