diff --git a/module/bug/control.php b/module/bug/control.php
index 2ec9e5621a..9429fc46e0 100644
--- a/module/bug/control.php
+++ b/module/bug/control.php
@@ -1871,6 +1871,7 @@ class bug extends control
      * @param  string $module
      * @param  string $method
      * @param  string $extra
+     * @param  string $from
      * @access public
      * @return void
      */
diff --git a/module/bug/model.php b/module/bug/model.php
index 60c59bd741..66a68612ff 100644
--- a/module/bug/model.php
+++ b/module/bug/model.php
@@ -1401,6 +1401,7 @@ class bugModel extends model
      * Get bugs of a project.
      *
      * @param  int    $projectID
+     * @param  int    $productID
      * @param  int    $build
      * @param  string $type
      * @param  int    $param
@@ -1410,14 +1411,12 @@ class bugModel extends model
      * @access public
      * @return array
      */
-    public function getProjectBugs($projectID, $build = 0, $type = '', $param = 0, $orderBy = 'id_desc', $excludeBugs = '', $pager = null)
+    public function getProjectBugs($projectID, $productID = 0, $build = 0, $type = '', $param = 0, $orderBy = 'id_desc', $excludeBugs = '', $pager = null)
     {
         $type = strtolower($type);
         if($type == 'bysearch')
         {
-            $queryID  = (int)$param;
-            $products = $this->loadModel('project')->getProducts($projectID);
-
+            $queryID = (int)$param;
             if($this->session->projectBugQuery == false) $this->session->set('projectBugQuery', ' 1 = 1');
             if($queryID)
             {
@@ -1450,6 +1449,7 @@ class bugModel extends model
             $bugs = $this->dao->select('*')->from(TABLE_BUG)
                 ->where('deleted')->eq(0)
                 ->beginIF(empty($build))->andWhere('project')->eq($projectID)->fi()
+                ->beginIF(!empty($productID))->andWhere('product')->eq($productID)->fi()
                 ->beginIF($type == 'unresolved')->andWhere('status')->eq('active')->fi()
                 ->beginIF($type == 'noclosed')->andWhere('status')->ne('closed')->fi()
                 ->beginIF($build)->andWhere("CONCAT(',', openedBuild, ',') like '%,$build,%'")->fi()
@@ -1466,6 +1466,7 @@ class bugModel extends model
      * Get bugs of a execution.
      *
      * @param  int    $executionID
+     * @param  int    $productID
      * @param  int    $build
      * @param  string $type
      * @param  int    $param
@@ -1475,14 +1476,12 @@ class bugModel extends model
      * @access public
      * @return array
      */
-    public function getExecutionBugs($executionID, $build = 0, $type = '', $param = 0, $orderBy = 'id_desc', $excludeBugs = '', $pager = null)
+    public function getExecutionBugs($executionID, $productID = 0, $build = 0, $type = '', $param = 0, $orderBy = 'id_desc', $excludeBugs = '', $pager = null)
     {
         $type = strtolower($type);
         if($type == 'bysearch')
         {
-            $queryID  = (int)$param;
-            $products = $this->loadModel('execution')->getProducts($executionID);
-
+            $queryID = (int)$param;
             if($this->session->executionBugQuery == false) $this->session->set('executionBugQuery', ' 1 = 1');
             if($queryID)
             {
@@ -1515,6 +1514,7 @@ class bugModel extends model
             $bugs = $this->dao->select('*')->from(TABLE_BUG)
                 ->where('deleted')->eq(0)
                 ->beginIF(empty($build))->andWhere('execution')->eq($executionID)->fi()
+                ->beginIF(!empty($productID))->andWhere('product')->eq($productID)->fi()
                 ->beginIF($type == 'unresolved')->andWhere('status')->eq('active')->fi()
                 ->beginIF($type == 'noclosed')->andWhere('status')->ne('closed')->fi()
                 ->beginIF($build)->andWhere("CONCAT(',', openedBuild, ',') like '%,$build,%'")->fi()
diff --git a/module/bug/view/ajaxgetdropmenu.html.php b/module/bug/view/ajaxgetdropmenu.html.php
index f33d53c8d8..885f778050 100644
--- a/module/bug/view/ajaxgetdropmenu.html.php
+++ b/module/bug/view/ajaxgetdropmenu.html.php
@@ -17,7 +17,7 @@ foreach($products as $product)
 }
 $productsPinYin = common::convert2Pinyin($productNames);
 $linkHtml       = $this->product->setParamsForLink($module, $link, $projectID, 0);
-$productsHtml   = html::a($linkHtml, $this->lang->bug->allProduct, '', "class='text-important' title='{$this->lang->bug->allProduct}' data-key='" . zget($productsPinYin, $this->lang->bug->allProduct, '') . "' data-group='project'");
+$productsHtml   = html::a($linkHtml, $this->lang->bug->allProduct, '', "class='text-important' title='{$this->lang->bug->allProduct}' data-key='" . zget($productsPinYin, $this->lang->bug->allProduct, '') . "' data-app='{$this->app->openApp}'");
 
 foreach($products as $product)
 {
@@ -26,7 +26,7 @@ foreach($products as $product)
     $productName .= $product->line ? zget($lines, $product->line, '') . '/' . $product->name : $product->name;
     $objectID = ($product->type != 'platform' && $module == 'branch' && $method == 'manage') ? $productID : $product->id;
     $linkHtml = $this->product->setParamsForLink($module, $link, $projectID, $product->id);
-    $productsHtml .= html::a($linkHtml, $productName, '', "class='text-important $selected' title='{$productName}' data-key='" . zget($productsPinYin, $product->name, '') . "' data-group='project'");
+    $productsHtml .= html::a($linkHtml, $productName, '', "class='text-important $selected' title='{$productName}' data-key='" . zget($productsPinYin, $product->name, '') . "' data-app='{$this->app->openApp}'");
 }
 ?>
 <div class="table-row">
diff --git a/module/execution/control.php b/module/execution/control.php
index eefcebe26a..47a1c84dbe 100644
--- a/module/execution/control.php
+++ b/module/execution/control.php
@@ -836,6 +836,7 @@ class execution extends control
      * Browse bugs of a execution.
      *
      * @param  int    $executionID
+     * @param  int    $productID
      * @param  string $orderBy
      * @param  int    $build
      * @param  string $type
@@ -846,11 +847,12 @@ class execution extends control
      * @access public
      * @return void
      */
-    public function bug($executionID = 0, $orderBy = 'status,id_desc', $build = 0, $type = 'all', $param = 0, $recTotal = 0, $recPerPage = 20, $pageID = 1)
+    public function bug($executionID = 0, $productID = 0, $orderBy = 'status,id_desc', $build = 0, $type = 'all', $param = 0, $recTotal = 0, $recPerPage = 20, $pageID = 1)
     {
         /* Load these two models. */
         $this->loadModel('bug');
         $this->loadModel('user');
+        $this->loadModel('product');
 
         /* Save session. */
         $this->session->set('bugList', $this->app->getURI(true), 'execution');
@@ -860,9 +862,12 @@ class execution extends control
         $execution   = $this->commonAction($executionID);
         $executionID = $execution->id;
         $products    = $this->execution->getProducts($execution->id);
-        $productID   = key($products);    // Get the first product for creating bug.
         $branchID    = isset($products[$productID]) ? $products[$productID]->branch : 0;
 
+        $productPairs = array('0' => $this->lang->product->all);
+        foreach($products as $product) $productPairs[$product->id] = $product->name;
+        $this->lang->modulePageNav = $this->product->select($productPairs, $productID, 'execution', 'bug', '', $branchID);
+
         /* Header and position. */
         $title      = $execution->name . $this->lang->colon . $this->lang->execution->bug;
         $position[] = html::a($this->createLink('execution', 'browse', "executionID=$executionID"), $execution->name);
@@ -872,7 +877,7 @@ class execution extends control
         $this->app->loadClass('pager', $static = true);
         $pager = new pager($recTotal, $recPerPage, $pageID);
         $sort  = $this->loadModel('common')->appendOrder($orderBy);
-        $bugs  = $this->bug->getExecutionBugs($executionID, $build, $type, $param, $sort, '', $pager);
+        $bugs  = $this->bug->getExecutionBugs($executionID, $productID, $build, $type, $param, $sort, '', $pager);
         $users = $this->user->getPairs('noletter');
 
         /* team member pairs. */
@@ -884,7 +889,7 @@ class execution extends control
         }
 
         /* Build the search form. */
-        $actionURL = $this->createLink('execution', 'bug', "executionID=$executionID&orderBy=$orderBy&build=$build&type=bysearch&queryID=myQueryID");
+        $actionURL = $this->createLink('execution', 'bug', "executionID=$executionID&productID=$productID&orderBy=$orderBy&build=$build&type=bysearch&queryID=myQueryID");
         $this->execution->buildBugSearchForm($products, $queryID, $actionURL);
 
         /* Assign. */
diff --git a/module/execution/view/bug.html.php b/module/execution/view/bug.html.php
index 1b949f4e1a..7029cc9ab7 100644
--- a/module/execution/view/bug.html.php
+++ b/module/execution/view/bug.html.php
@@ -11,12 +11,16 @@
  */
 ?>
 <?php include '../../common/view/header.html.php';?>
+<style>
+#subHeader #dropMenu .col-left .list-group {margin-bottom: 0px; padding-top: 10px;}
+#subHeader #dropMenu .col-left {padding-bottom: 0px;}
+</style>
 <div id="mainMenu" class="clearfix">
   <div class="btn-toolbar pull-left">
     <?php
     $buildName = $build ? " <span class='label label-danger'>Build:{$build->name}</span>" : '';
-    echo html::a($this->inlink('bug', "executionID={$execution->id}&orderBy=status,id_desc&build=$buildID&type=all"), "<span class='text'>{$lang->bug->allBugs}</span>" . ($type == 'all' ? " <span class='label label-light label-badge'>{$pager->recTotal}</span>$buildName" : ''), '', "id='allTab' class='btn btn-link" . ('all' == $type ? ' btn-active-text' : '') . "'");
-    echo html::a($this->inlink('bug', "executionID={$execution->id}&orderBy=status,id_desc&build=$buildID&type=unresolved"), "<span class='text'>{$lang->bug->unResolved}</span>" . ($type == 'unresolved' ? " <span class='label label-light label-badge'>{$pager->recTotal}</span>$buildName" : ''), '', "id='unresolvedTab' class='btn btn-link" . ('unresolved' == $type ? ' btn-active-text' : '') . "'");
+    echo html::a($this->inlink('bug', "executionID={$execution->id}&productID={$productID}&orderBy=status,id_desc&build=$buildID&type=all"), "<span class='text'>{$lang->bug->allBugs}</span>" . ($type == 'all' ? " <span class='label label-light label-badge'>{$pager->recTotal}</span>$buildName" : ''), '', "id='allTab' class='btn btn-link" . ('all' == $type ? ' btn-active-text' : '') . "'");
+    echo html::a($this->inlink('bug', "executionID={$execution->id}&productID={$productID}&orderBy=status,id_desc&build=$buildID&type=unresolved"), "<span class='text'>{$lang->bug->unResolved}</span>" . ($type == 'unresolved' ? " <span class='label label-light label-badge'>{$pager->recTotal}</span>$buildName" : ''), '', "id='unresolvedTab' class='btn btn-link" . ('unresolved' == $type ? ' btn-active-text' : '') . "'");
     ?>
     <a class="btn btn-link querybox-toggle" id="bysearchTab"><i class="icon icon-search muted"></i> <?php echo $lang->bug->search;?></a>
   </div>
@@ -40,7 +44,7 @@
   <form class='main-table' method='post' id='executionBugForm' data-ride="table">
     <table class='table has-sort-head' id='bugList'>
       <?php $canBatchAssignTo = common::hasPriv('bug', 'batchAssignTo');?>
-      <?php $vars = "executionID={$execution->id}&orderBy=%s&build=$buildID&type=$type&param=$param&recTotal={$pager->recTotal}&recPerPage={$pager->recPerPage}"; ?>
+      <?php $vars = "executionID={$execution->id}&productID={$productID}&orderBy=%s&build=$buildID&type=$type&param=$param&recTotal={$pager->recTotal}&recPerPage={$pager->recPerPage}"; ?>
       <thead>
         <tr>
           <th class='c-id'>
diff --git a/module/product/model.php b/module/product/model.php
index 76ec9eca68..9f34bf7e0b 100644
--- a/module/product/model.php
+++ b/module/product/model.php
@@ -64,16 +64,19 @@ class productModel extends model
      * @param  string $currentModule
      * @param  string $currentMethod
      * @param  string $extra
+     * @param  int    $branch
+     * @param  int    $module
+     * @param  string $moduleType
      *
      * @access public
      * @return string
      */
     public function select($products, $productID, $currentModule, $currentMethod, $extra = '', $branch = 0, $module = 0, $moduleType = '')
     {
-        $isProject = ($this->app->openApp == 'project' and strpos('bug,testcase,testtask', $this->app->rawMethod) !== false and isset($products[0])) ? true : false;
+        $isBrowseBug = (strpos(',project,execution,', ",{$this->app->openApp},") !== false and strpos(',bug,testcase,testtask,', ",{$this->app->rawMethod},") !== false and isset($products[0])) ? true : false;
 
         $this->app->loadLang('product');
-        if(!$isProject and !$productID)
+        if(!$isBrowseBug and !$productID)
         {
             unset($this->lang->product->menu->settings['subMenu']->branch);
             return;
@@ -83,8 +86,10 @@ class productModel extends model
         setcookie("lastProduct", $productID, $this->config->cookieLife, $this->config->webRoot, '', $this->config->cookieSecure, true);
         if($productID) $currentProduct = $this->getById($productID);
 
-        if($isProject) $extra = $this->session->project;
-        if($isProject and !$productID)
+        if($isBrowseBug and $this->app->openApp == 'project')   $extra = $this->session->project;
+        if($isBrowseBug and $this->app->openApp == 'execution') $extra = $this->session->execution;
+
+        if($isBrowseBug and !$productID)
         {
             $currentProduct = new stdclass();
             $currentProduct->name = $products[$productID];
@@ -95,7 +100,7 @@ class productModel extends model
         $output = '';
         if(!empty($products))
         {
-            $dropMenuLink = helper::createLink($isProject ? 'bug' : 'product', 'ajaxGetDropMenu', "objectID=$productID&module=$currentModule&method=$currentMethod&extra=$extra");
+            $dropMenuLink = helper::createLink($isBrowseBug ? 'bug' : 'product', 'ajaxGetDropMenu', "objectID=$productID&module=$currentModule&method=$currentMethod&extra=$extra");
             $output  = "<div class='btn-group angle-btn'><div class='btn-group'><button data-toggle='dropdown' type='button' class='btn btn-limit' id='currentItem' title='{$currentProduct->name}'><span class='text'>{$currentProduct->name}</span> <span class='caret'></span></button><div id='dropMenu' class='dropdown-menu search-list' data-ride='searchList' data-url='$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>';
             $output .= "</div></div>";
@@ -1599,9 +1604,10 @@ class productModel extends model
         {
             return helper::createLink('design', 'browse', "productID=%s");
         }
-        elseif($module == 'project')
+        elseif($module == 'project' or $module == 'execution')
         {
-            return helper::createLink('project', $method, "projectID=$extra&productID=%s");
+            $objectID = $module == 'project' ? 'projectID' : 'executionID';
+            return helper::createLink($module, $method, "$objectID=$extra&productID=%s");
         }
 
         return $link;
diff --git a/module/project/control.php b/module/project/control.php
index 8e9038724f..22d0e1fee6 100644
--- a/module/project/control.php
+++ b/module/project/control.php
@@ -693,6 +693,7 @@ class project extends control
      * Project bug list.
      *
      * @param  int    $projectID
+     * @param  int    $productID
      * @param  string $orderBy
      * @param  int    $build
      * @param  string $type
@@ -703,22 +704,26 @@ class project extends control
      * @access public
      * @return void
      */
-    public function bug($projectID = 0, $orderBy = 'status,id_desc', $build = 0, $type = 'all', $param = 0, $recTotal = 0, $recPerPage = 20, $pageID = 1)
+    public function bug($projectID = 0, $productID = 0, $orderBy = 'status,id_desc', $build = 0, $type = 'all', $param = 0, $recTotal = 0, $recPerPage = 20, $pageID = 1)
     {
         /* Load these two models. */
         $this->loadModel('bug');
         $this->loadModel('user');
+        $this->loadModel('product');
 
         /* Save session. */
         $this->session->set('bugList', $this->app->getURI(true), 'qa');
         $this->project->setMenu($projectID);
 
-        $project   = $this->project->getByID($projectID);
-        $type      = strtolower($type);
-        $queryID   = ($type == 'bysearch') ? (int)$param : 0;
-        $products  = $this->project->getProducts($projectID);
-        $productID = key($products);    // Get the first product for creating bug.
-        $branchID  = isset($products[$productID]) ? $products[$productID]->branch : 0;
+        $project  = $this->project->getByID($projectID);
+        $type     = strtolower($type);
+        $queryID  = ($type == 'bysearch') ? (int)$param : 0;
+        $products = $this->project->getProducts($projectID);
+        $branchID = isset($products[$productID]) ? $products[$productID]->branch : 0;
+
+        $productPairs = array('0' => $this->lang->product->all);
+        foreach($products as $product) $productPairs[$product->id] = $product->name;
+        $this->lang->modulePageNav = $this->product->select($productPairs, $productID, 'project', 'bug', '', $branchID);
 
         /* Header and position. */
         $title      = $project->name . $this->lang->colon . $this->lang->bug->common;
@@ -729,7 +734,7 @@ class project extends control
         $this->app->loadClass('pager', $static = true);
         $pager = new pager($recTotal, $recPerPage, $pageID);
         $sort  = $this->loadModel('common')->appendOrder($orderBy);
-        $bugs  = $this->bug->getProjectBugs($projectID, $build, $type, $param, $sort, '', $pager);
+        $bugs  = $this->bug->getProjectBugs($projectID, $productID, $build, $type, $param, $sort, '', $pager);
         $users = $this->user->getPairs('noletter');
 
         /* team member pairs. */
@@ -739,7 +744,7 @@ class project extends control
         foreach($teamMembers as $key => $member) $memberPairs[$key] = $member->realname;
 
         /* Build the search form. */
-        $actionURL = $this->createLink('project', 'bug', "projectID=$projectID&orderBy=$orderBy&build=$build&type=bysearch&queryID=myQueryID");
+        $actionURL = $this->createLink('project', 'bug', "projectID=$projectID&productID=$productID&orderBy=$orderBy&build=$build&type=bysearch&queryID=myQueryID");
         $this->loadModel('execution')->buildBugSearchForm($products, $queryID, $actionURL, 'project');
 
         /* Assign. */
diff --git a/module/project/view/bug.html.php b/module/project/view/bug.html.php
index fd049e27d0..aa454ec187 100644
--- a/module/project/view/bug.html.php
+++ b/module/project/view/bug.html.php
@@ -11,12 +11,16 @@
  */
 ?>
 <?php include '../../common/view/header.html.php';?>
+<style>
+#subHeader #dropMenu .col-left .list-group {margin-bottom: 0px; padding-top: 10px;}
+#subHeader #dropMenu .col-left {padding-bottom: 0px;}
+</style>
 <div id="mainMenu" class="clearfix">
   <div class="btn-toolbar pull-left">
     <?php
     $buildName = $build ? " <span class='label label-danger'>Build:{$build->name}</span>" : '';
-    echo html::a($this->inlink('bug', "projectID={$project->id}&orderBy=status,id_desc&build=$buildID&type=all"), "<span class='text'>{$lang->bug->allBugs}</span>" . ($type == 'all' ? " <span class='label label-light label-badge'>{$pager->recTotal}</span>$buildName" : ''), '', "id='allTab' class='btn btn-link" . ('all' == $type ? ' btn-active-text' : '') . "'");
-    echo html::a($this->inlink('bug', "projectID={$project->id}&orderBy=status,id_desc&build=$buildID&type=unresolved"), "<span class='text'>{$lang->bug->unResolved}</span>" . ($type == 'unresolved' ? " <span class='label label-light label-badge'>{$pager->recTotal}</span>$buildName" : ''), '', "id='unresolvedTab' class='btn btn-link" . ('unresolved' == $type ? ' btn-active-text' : '') . "'");
+    echo html::a($this->inlink('bug', "projectID={$project->id}&productID={$productID}&orderBy=status,id_desc&build=$buildID&type=all"), "<span class='text'>{$lang->bug->allBugs}</span>" . ($type == 'all' ? " <span class='label label-light label-badge'>{$pager->recTotal}</span>$buildName" : ''), '', "id='allTab' class='btn btn-link" . ('all' == $type ? ' btn-active-text' : '') . "'");
+    echo html::a($this->inlink('bug', "projectID={$project->id}&productID={$productID}&orderBy=status,id_desc&build=$buildID&type=unresolved"), "<span class='text'>{$lang->bug->unResolved}</span>" . ($type == 'unresolved' ? " <span class='label label-light label-badge'>{$pager->recTotal}</span>$buildName" : ''), '', "id='unresolvedTab' class='btn btn-link" . ('unresolved' == $type ? ' btn-active-text' : '') . "'");
     ?>
     <a class="btn btn-link querybox-toggle" id="bysearchTab"><i class="icon icon-search muted"></i> <?php echo $lang->bug->search;?></a>
   </div>
@@ -40,7 +44,7 @@
   <form class='main-table' method='post' id='projectBugForm' data-ride="table">
     <table class='table has-sort-head' id='bugList'>
       <?php $canBatchAssignTo = common::hasPriv('bug', 'batchAssignTo');?>
-      <?php $vars = "projectID={$project->id}&orderBy=%s&build=$buildID&type=$type&param=$param&recTotal={$pager->recTotal}&recPerPage={$pager->recPerPage}"; ?>
+      <?php $vars = "projectID={$project->id}&productID=$productID&orderBy=%s&build=$buildID&type=$type&param=$param&recTotal={$pager->recTotal}&recPerPage={$pager->recPerPage}"; ?>
       <thead>
         <tr>
           <th class='c-id'>