diff --git a/module/group/lang/resource.php b/module/group/lang/resource.php
index 1d3935a7a3..e8d06c435b 100644
--- a/module/group/lang/resource.php
+++ b/module/group/lang/resource.php
@@ -292,6 +292,7 @@ if($config->systemMode == 'new')
     $lang->resource->projectstory->view              = 'view';
     $lang->resource->projectstory->linkStory         = 'linkStory';
     $lang->resource->projectstory->unlinkStory       = 'unlinkStory';
+    $lang->resource->projectstory->batchUnlinkStory  = 'batchUnlinkStory';
     $lang->resource->projectstory->importplanstories = 'importplanstories';
 
     $lang->projectstory->methodOrder[5]  = 'story';
diff --git a/module/product/css/browse.css b/module/product/css/browse.css
index 76e4e5f962..85ba324ec2 100644
--- a/module/product/css/browse.css
+++ b/module/product/css/browse.css
@@ -28,3 +28,10 @@ a.removeModule:hover {color: red;}
 .table td.c-estimate {padding-right: 12px;}
 .main-table tbody > tr.table-children > td:first-child::before {width: 3px;}
 @-moz-document url-prefix() {.main-table tbody > tr.table-children > td:first-child::before {width: 4px;};}
+
+#batchUnlinkStoryTip .modal-body {padding-top: 10px; max-height: 400px; overflow: auto;}
+#batchUnlinkStoryTip .table thead {position: fixed;}
+#batchUnlinkStoryTip .table tbody {position: relative; top: 33px; display:block; overflow-y: scroll; max-height: 260px;}
+#batchUnlinkStoryTip .table tfoot {position: relative; bottom: -30px;}
+#batchUnlinkStoryTip .table td {border-bottom: 0px;}
+#batchUnlinkStoryTip .table th:first-child {width: 460px;}
diff --git a/module/product/js/browse.js b/module/product/js/browse.js
index da8b236200..b0beab26e1 100644
--- a/module/product/js/browse.js
+++ b/module/product/js/browse.js
@@ -77,6 +77,33 @@ $(function()
             $('#storyIdList').val(storyIdList);
         });
     });
+
+    $('#batchUnlinkStory').click(function()
+    {
+        var storyIdList = '';
+        $("input[name^='storyIdList']:checked").each(function()
+        {
+            storyIdList += $(this).val() + ',';
+        });
+
+        $.get(createLink('projectstory', 'batchUnlinkStory', 'projectID=' + projectID + '&storyIdList=' + storyIdList), function(data)
+        {
+            if(data)
+            {
+                $('#batchUnlinkStoryTip tbody').html(data);
+                $('#batchUnlinkStoryTip').modal({show: true});
+            }
+            else
+            {
+                window.location.reload();
+            }
+        });
+    });
+
+    $('#batchUnlinkStoryTip .close, #confirmBtn').click(function()
+    {
+        window.location.reload();
+    })
 });
 
 /**
diff --git a/module/product/view/browse.html.php b/module/product/view/browse.html.php
index c63d1c7cf5..d0c3d258a8 100644
--- a/module/product/view/browse.html.php
+++ b/module/product/view/browse.html.php
@@ -281,9 +281,10 @@ $projectIDParam = $isProjectStory ? "projectID=$projectID&" : '';
       $canBatchChangeModule = ($canBeChanged and common::hasPriv('story', 'batchChangeModule'));
       $canBatchChangePlan   = ($canBeChanged and common::hasPriv('story', 'batchChangePlan'));
       $canBatchAssignTo     = ($canBeChanged and common::hasPriv('story', 'batchAssignTo'));
+      $canBatchUnlink       = ($canBeChanged and $this->app->openApp == 'project' and common::hasPriv('projectstory', 'batchUnlinkStory'));
       $canBatchImportToLib  = ($canBeChanged and $this->app->openApp == 'project' and isset($this->config->maxVersion) and common::hasPriv('story', 'batchImportToLib'));
 
-      $canBatchAction       = ($canBatchEdit or $canBatchClose or $canBatchReview or $canBatchChangeStage or $canBatchChangeModule or $canBatchChangePlan or $canBatchAssignTo or $canBatchImportToLib);
+      $canBatchAction       = ($canBatchEdit or $canBatchClose or $canBatchReview or $canBatchChangeStage or $canBatchChangeModule or $canBatchChangePlan or $canBatchAssignTo or $canBatchUnlink or $canBatchImportToLib);
       ?>
       <?php if(!$useDatatable) echo '<div class="table-responsive">';?>
       <table class='table has-sort-head<?php if($useDatatable) echo ' datatable';?>' id='storyList' data-fixed-left-width='<?php echo $widths['leftWidth']?>' data-fixed-right-width='<?php echo $widths['rightWidth']?>'>
@@ -516,6 +517,13 @@ $projectIDParam = $isProjectStory ? "projectID=$projectID&" : '';
           </div>
           <?php endif;?>
 
+          <?php
+          if($canBatchUnlink)
+          {
+              echo html::commonButton($lang->projectstory->unlinkStory, "id='batchUnlinkStory'");
+          }
+          ?>
+
           <?php if($canBatchImportToLib):?>
           <?php echo html::a('#batchImportToLib', $lang->story->importToLib, '', 'class="btn" data-toggle="modal" id="importToLib"');?>
           <?php endif;?>
@@ -580,6 +588,36 @@ $projectIDParam = $isProjectStory ? "projectID=$projectID&" : '';
     </div>
   </div>
 </div>
+
+<div class="modal fade" id="batchUnlinkStoryTip">
+  <div class="modal-dialog mw-700px">
+    <div class="modal-content">
+      <div class="modal-header">
+        <button type="button" class="close" data-dismiss="modal" aria-hidden="true"><i class="icon icon-close"></i></button>
+        <h4 class="modal-title"><strong><?php echo $lang->projectstory->batchUnlinkTip;?></strong></h4>
+      </div>
+      <div class="modal-body">
+        <table class='table'>
+          <thead>
+            <tr>
+              <th><?php echo $lang->story->title;?></th>
+              <th class='w-200px'><?php echo $lang->story->link . $lang->execution->common;?></th>
+            </tr>
+          </thead>
+          <tbody>
+          </tbody>
+          <tfoot>
+            <tr>
+              <td colspan='2' class='text-center'>
+                <?php echo html::commonButton($lang->projectstory->confirm, 'data-dismiss="modal" id="confirmBtn"', 'btn btn-primary');?>
+              </td>
+            </tr>
+          </tfoot>
+        </table>
+      </div>
+    </div>
+  </div>
+</div>
 <script>
 var moduleID = <?php echo $moduleID?>;
 var branchID = $.cookie('storyBranch');
diff --git a/module/projectstory/control.php b/module/projectstory/control.php
index ce582bc4ba..5d5fe90238 100644
--- a/module/projectstory/control.php
+++ b/module/projectstory/control.php
@@ -36,6 +36,9 @@ class projectStory extends control
      */
     public function story($projectID = 0, $productID = 0, $branch = 0, $browseType = '', $param = 0, $storyType = 'story', $orderBy = '', $recTotal = 0, $recPerPage = 20, $pageID = 1)
     {
+        $this->session->set('storyList', $this->app->getURI(true), 'product');
+        $this->session->set('executionList', $this->app->getURI(true), 'execution');
+
         $this->products = $this->loadModel('product')->getProductPairsByProject($projectID);
         if(empty($this->products)) die($this->locate($this->createLink('product', 'showErrorNone', 'moduleName=project&activeMenu=story&projectID=' . $projectID)));
         echo $this->fetch('product', 'browse', "productID=$productID&branch=$branch&browseType=$browseType&param=$param&storyType=$storyType&orderBy=$orderBy&recTotal=$recTotal&recPerPage=$recPerPage&pageID=$pageID&projectID=$projectID");
@@ -104,6 +107,46 @@ class projectStory extends control
         echo $this->fetch('execution', 'unlinkStory', "projectID=$projectID&storyID=$storyID&confirm=$confirm");
     }
 
+    /**
+     * Batch unlink story.
+     *
+     * @param  int    $projectID
+     * @param  string $stroyIdList
+     * @access public
+     * @return string
+     */
+    public function batchUnlinkStory($projectID, $storyIdList = '')
+    {
+        $storyIdList      = trim($storyIdList, ',');
+        $stories          = explode(',', $storyIdList);
+        $executionStories = $this->projectstory->getExecutionStories($projectID, $storyIdList);
+        $html             = '';
+
+        if(!empty($executionStories))
+        {
+            foreach($executionStories as $story)
+            {
+                $storyLink     = $this->createLink('story', 'view', "storyID={$story->id}");
+                $executionLink = $this->createLink('execution', 'view', "executionID={$story->executionID}");
+                $html         .=<<<ETO
+<tr>
+  <td class='c-name w-500px'><a href="$storyLink" title={$story->title} style='color:#5988e2'>{$story->title}</a></td>
+  <td class='c-name w-200px'><a href="$executionLink" title={$story->execution} style='color:#32579c'>{$story->execution}</a></td>
+</tr>
+ETO;
+            }
+        }
+
+        foreach($stories as $storyID)
+        {
+            if(isset($executionStories[$storyID])) continue;
+            $this->loadModel('execution')->unlinkStory($projectID, $storyID);
+        }
+
+        if(!dao::isError()) $this->loadModel('score')->create('ajax', 'batchOther');
+        die($html);
+    }
+
     /**
      * Import plan stories.
      *
diff --git a/module/projectstory/lang/de.php b/module/projectstory/lang/de.php
index 226894ba3a..7b09c2ee11 100644
--- a/module/projectstory/lang/de.php
+++ b/module/projectstory/lang/de.php
@@ -1,4 +1,5 @@
 <?php
+/* Field. */
 $lang->projectstory->common            = "Project {$lang->SRCommon}";
 $lang->projectstory->index             = "{$lang->SRCommon} Home";
 $lang->projectstory->view              = "{$lang->SRCommon} Detail";
@@ -6,11 +7,17 @@ $lang->projectstory->story             = "{$lang->SRCommon} List";
 $lang->projectstory->track             = 'Tracking Matrix';
 $lang->projectstory->linkStory         = 'Linked' . $lang->SRCommon;
 $lang->projectstory->unlinkStory       = 'Unlinked' . $lang->SRCommon;
+$lang->projectstory->batchUnlinkStory  = 'Batch Unlink ' . $lang->SRCommon;
 $lang->projectstory->importplanstories = 'Linked by plan' . $lang->SRCommon;
+$lang->projectstory->trackAction       = 'Matrix';
+$lang->projectstory->confirm           = 'Confirm';
+
+/* Notice. */
+$lang->projectstory->whyNoStories   = "No story can be linked. Please check whether there is any story in project which is linked to {$lang->productCommon} and make sure it has been reviewed.";
+$lang->projectstory->batchUnlinkTip = 'The following requirements are linked to Executions of this project, please remove them from the execution first.';
 
 global $app;
 $app->loadLang('product');
-
 $lang->projectstory->featureBar['story']['allstory'] = $lang->product->allStory;
 $lang->projectstory->featureBar['story']['unclosed'] = $lang->product->unclosed;
 $lang->projectstory->featureBar['story']['changed']  = $lang->product->changedStory;
diff --git a/module/projectstory/lang/en.php b/module/projectstory/lang/en.php
index 5afc5da727..63b23943d0 100644
--- a/module/projectstory/lang/en.php
+++ b/module/projectstory/lang/en.php
@@ -1,4 +1,5 @@
 <?php
+/* Field. */
 $lang->projectstory->common            = "Project {$lang->SRCommon}";
 $lang->projectstory->index             = "{$lang->SRCommon} Home";
 $lang->projectstory->view              = "{$lang->SRCommon} Detail";
@@ -6,10 +7,14 @@ $lang->projectstory->story             = "{$lang->SRCommon} List";
 $lang->projectstory->track             = 'Tracking Matrix';
 $lang->projectstory->linkStory         = 'Linked' . $lang->SRCommon;
 $lang->projectstory->unlinkStory       = 'Unlinked' . $lang->SRCommon;
+$lang->projectstory->batchUnlinkStory  = 'Batch Unlink ' . $lang->SRCommon;
 $lang->projectstory->importplanstories = 'Linked by plan' . $lang->SRCommon;
-$lang->projectstory->whyNoStories      = "No story can be linked. Please check whether there is any story in project which is linked to {$lang->productCommon} and make sure it has been reviewed.";
+$lang->projectstory->trackAction       = 'Matrix';
+$lang->projectstory->confirm           = 'Confirm';
 
-$lang->projectstory->trackAction = 'Matrix';
+/* Notice. */
+$lang->projectstory->whyNoStories   = "No story can be linked. Please check whether there is any story in project which is linked to {$lang->productCommon} and make sure it has been reviewed.";
+$lang->projectstory->batchUnlinkTip = 'The following requirements are linked to Executions of this project, please remove them from the execution first.';
 
 global $app;
 $app->loadLang('product');
diff --git a/module/projectstory/lang/fr.php b/module/projectstory/lang/fr.php
index 3817c007aa..63b23943d0 100644
--- a/module/projectstory/lang/fr.php
+++ b/module/projectstory/lang/fr.php
@@ -1,4 +1,5 @@
 <?php
+/* Field. */
 $lang->projectstory->common            = "Project {$lang->SRCommon}";
 $lang->projectstory->index             = "{$lang->SRCommon} Home";
 $lang->projectstory->view              = "{$lang->SRCommon} Detail";
@@ -6,7 +7,14 @@ $lang->projectstory->story             = "{$lang->SRCommon} List";
 $lang->projectstory->track             = 'Tracking Matrix';
 $lang->projectstory->linkStory         = 'Linked' . $lang->SRCommon;
 $lang->projectstory->unlinkStory       = 'Unlinked' . $lang->SRCommon;
+$lang->projectstory->batchUnlinkStory  = 'Batch Unlink ' . $lang->SRCommon;
 $lang->projectstory->importplanstories = 'Linked by plan' . $lang->SRCommon;
+$lang->projectstory->trackAction       = 'Matrix';
+$lang->projectstory->confirm           = 'Confirm';
+
+/* Notice. */
+$lang->projectstory->whyNoStories   = "No story can be linked. Please check whether there is any story in project which is linked to {$lang->productCommon} and make sure it has been reviewed.";
+$lang->projectstory->batchUnlinkTip = 'The following requirements are linked to Executions of this project, please remove them from the execution first.';
 
 global $app;
 $app->loadLang('product');
diff --git a/module/projectstory/lang/vi.php b/module/projectstory/lang/vi.php
index 3817c007aa..63b23943d0 100644
--- a/module/projectstory/lang/vi.php
+++ b/module/projectstory/lang/vi.php
@@ -1,4 +1,5 @@
 <?php
+/* Field. */
 $lang->projectstory->common            = "Project {$lang->SRCommon}";
 $lang->projectstory->index             = "{$lang->SRCommon} Home";
 $lang->projectstory->view              = "{$lang->SRCommon} Detail";
@@ -6,7 +7,14 @@ $lang->projectstory->story             = "{$lang->SRCommon} List";
 $lang->projectstory->track             = 'Tracking Matrix';
 $lang->projectstory->linkStory         = 'Linked' . $lang->SRCommon;
 $lang->projectstory->unlinkStory       = 'Unlinked' . $lang->SRCommon;
+$lang->projectstory->batchUnlinkStory  = 'Batch Unlink ' . $lang->SRCommon;
 $lang->projectstory->importplanstories = 'Linked by plan' . $lang->SRCommon;
+$lang->projectstory->trackAction       = 'Matrix';
+$lang->projectstory->confirm           = 'Confirm';
+
+/* Notice. */
+$lang->projectstory->whyNoStories   = "No story can be linked. Please check whether there is any story in project which is linked to {$lang->productCommon} and make sure it has been reviewed.";
+$lang->projectstory->batchUnlinkTip = 'The following requirements are linked to Executions of this project, please remove them from the execution first.';
 
 global $app;
 $app->loadLang('product');
diff --git a/module/projectstory/lang/zh-cn.php b/module/projectstory/lang/zh-cn.php
index 2d027bd772..c0f149bbff 100644
--- a/module/projectstory/lang/zh-cn.php
+++ b/module/projectstory/lang/zh-cn.php
@@ -1,4 +1,5 @@
 <?php
+/* Field. */
 $lang->projectstory->common            = "项目{$lang->SRCommon}";
 $lang->projectstory->index             = "{$lang->SRCommon}主页";
 $lang->projectstory->view              = "{$lang->SRCommon}详情";
@@ -6,10 +7,14 @@ $lang->projectstory->story             = "{$lang->SRCommon}列表";
 $lang->projectstory->track             = '矩阵';
 $lang->projectstory->linkStory         = '关联' . $lang->SRCommon;
 $lang->projectstory->unlinkStory       = '移除' . $lang->SRCommon;
+$lang->projectstory->batchUnlinkStory  = '批量移除' . $lang->SRCommon;
 $lang->projectstory->importplanstories = '按计划关联' . $lang->SRCommon;
-$lang->projectstory->whyNoStories      = "看起来没有{$lang->SRCommon}可以关联。请检查下项目关联的{$lang->productCommon}中有没有{$lang->SRCommon}，而且要确保它们已经审核通过。";
+$lang->projectstory->trackAction       = '跟踪矩阵';
+$lang->projectstory->confirm           = '确定';
 
-$lang->projectstory->trackAction = '跟踪矩阵';
+/* Notice. */
+$lang->projectstory->whyNoStories   = "看起来没有{$lang->SRCommon}可以关联。请检查下项目关联的{$lang->productCommon}中有没有{$lang->SRCommon}，而且要确保它们已经审核通过。";
+$lang->projectstory->batchUnlinkTip = '如下需求已与该项目下执行相关联，请从执行中移除后再操作。';
 
 global $app;
 $app->loadLang('product');
diff --git a/module/projectstory/model.php b/module/projectstory/model.php
index 8d65f74865..9fb19b6dcf 100644
--- a/module/projectstory/model.php
+++ b/module/projectstory/model.php
@@ -29,4 +29,29 @@ class projectstoryModel extends model
         $this->loadModel('product')->setMenu($products, $productID, $branch);
         $this->lang->modulePageNav = $this->product->select($products, $productID, 'projectstory', $this->app->rawMethod, '', $branch);
     }
+
+    /**
+     * Get the stories for execution linked.
+     *
+     * @param  int    $projectID
+     * @param  string $storyIdList
+     * @access public
+     * @return array
+     */
+    public function getExecutionStories($projectID, $storyIdList = '')
+    {
+        $stories = array();
+        if(empty($storyIdList)) return $stories;
+
+        $stories = $this->dao->select('t2.id as id, t2.title as title, t3.id as executionID, t3.name as execution')->from(TABLE_PROJECTSTORY)->alias('t1')
+            ->leftJoin(TABLE_STORY)->alias('t2')->on('t1.story=t2.id')
+            ->leftJoin(TABLE_EXECUTION)->alias('t3')->on('t1.project=t3.id')
+            ->where('t1.story')->in($storyIdList)
+            ->andWhere('t3.type')->in('sprint,stage')
+            ->andWhere('t3.project')->eq($projectID)
+            ->andWhere('t3.deleted')->eq(0)
+            ->fetchAll('id');
+
+        return $stories;
+    }
 }