diff --git a/config/zentaopms.php b/config/zentaopms.php
index 8ae47750ff..42c169bf6a 100644
--- a/config/zentaopms.php
+++ b/config/zentaopms.php
@@ -174,6 +174,7 @@ define('TABLE_JOB',           '`' . $config->db->prefix . 'job`');
 define('TABLE_COMPILE',       '`' . $config->db->prefix . 'compile`');
 
 define('TABLE_REPO',        '`' . $config->db->prefix . 'repo`');
+define('TABLE_RELATION',    '`' . $config->db->prefix . 'relation`');
 define('TABLE_REPOHISTORY', '`' . $config->db->prefix . 'repohistory`');
 define('TABLE_REPOFILES',   '`' . $config->db->prefix . 'repofiles`');
 define('TABLE_REPOBRANCH',  '`' . $config->db->prefix . 'repobranch`');
diff --git a/db/zentao.sql b/db/zentao.sql
index 0da0e83e8b..788f33a110 100644
--- a/db/zentao.sql
+++ b/db/zentao.sql
@@ -1119,6 +1119,23 @@ CREATE TABLE IF NOT EXISTS `zt_repo` (
   PRIMARY KEY (`id`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 
+-- DROP TABLE IF EXISTS `zt_relation`;
+CREATE TABLE `zt_relation` (
+  `id` int(8) NOT NULL AUTO_INCREMENT PRIMARY KEY, 
+  `program` mediumint(8) NOT NULL,
+  `product` mediumint(8) NOT NULL,
+  `project` mediumint(8) NOT NULL,
+  `AType` char(30) NOT NULL,
+  `AID` mediumint(8) NOT NULL,
+  `AVersion` char(30) NOT NULL,
+  `relation` char(30) NOT NULL,
+  `BType` char(30) NOT NULL,
+  `BID` mediumint(8) NOT NULL,
+  `BVersion` char(30) NOT NULL,
+  `extra` char(30) NOT NULL,
+  UNIQUE KEY `relation` (`relation`,`AType`,`BType`, `AID`, `BID`)
+) ENGINE='MyISAM' DEFAULT CHARSET=utf8;
+
 -- DROP TABLE IF EXISTS `zt_repobranch`;
 CREATE TABLE IF NOT EXISTS `zt_repobranch` (
   `repo` mediumint(8) unsigned NOT NULL,
diff --git a/module/story/lang/en.php b/module/story/lang/en.php
index 1fdf3d4af3..ba6d054ad2 100644
--- a/module/story/lang/en.php
+++ b/module/story/lang/en.php
@@ -24,6 +24,7 @@ $lang->story->edit            = "Edit Story";
 $lang->story->batchEdit       = "Batch Edit";
 $lang->story->subdivide       = 'Decompose';
 $lang->story->subdivideAction = 'Decompose Story';
+$lang->story->splitRequirent  = 'Decompose';
 $lang->story->close           = 'Close';
 $lang->story->closeAction     = 'Close Story';
 $lang->story->batchClose      = 'Batch Close';
diff --git a/module/story/lang/zh-cn.php b/module/story/lang/zh-cn.php
index 9a213896a2..b4286f9271 100644
--- a/module/story/lang/zh-cn.php
+++ b/module/story/lang/zh-cn.php
@@ -24,6 +24,7 @@ $lang->story->edit            = "编辑";
 $lang->story->batchEdit       = "批量编辑";
 $lang->story->subdivide       = '细分';
 $lang->story->subdivideAction = "细分{$lang->storyCommon}";
+$lang->story->splitRequirent  = '拆分';
 $lang->story->close           = '关闭';
 $lang->story->closeAction     = "关闭{$lang->storyCommon}";
 $lang->story->batchClose      = '批量关闭';
diff --git a/module/story/model.php b/module/story/model.php
index 4f621c4953..135d0b17fb 100644
--- a/module/story/model.php
+++ b/module/story/model.php
@@ -840,7 +840,7 @@ class storyModel extends model
             ->batchCheck($this->config->story->close->requiredFields, 'notempty')
             ->where('id')->eq($storyID)->exec();
         $changes  = common::createChanges($oldStory, $newStory);
-        $actionID = $this->action->create('story', $storyID, 'Closed', '', 'Subdivided');
+        $actionID = $this->loadModel('action')->create('story', $storyID, 'Closed', '', 'Subdivided');
         $this->action->logHistory($actionID, $changes);
 
         return $actionID;
diff --git a/module/story/view/batchcreate.html.php b/module/story/view/batchcreate.html.php
index 8875232d60..f3955135f8 100644
--- a/module/story/view/batchcreate.html.php
+++ b/module/story/view/batchcreate.html.php
@@ -134,5 +134,6 @@ $(function()
     });
 });
 </script>
+<?php js::set('storyType', $type);?>
 <?php include '../../common/view/pastetext.html.php';?>
 <?php include '../../common/view/footer.html.php';?>
diff --git a/module/story/view/change.html.php b/module/story/view/change.html.php
index 43c0000a9b..23a02d6a2a 100644
--- a/module/story/view/change.html.php
+++ b/module/story/view/change.html.php
@@ -88,4 +88,5 @@
 <?php js::set('oldStorySpec', $story->spec);?>
 <?php js::set('oldStoryVerify', $story->verify);?>
 <?php js::set('changed', 0);?>
+<?php js::set('storyType', $story->type);?>
 <?php include '../../common/view/footer.html.php';?>
diff --git a/module/story/view/create.html.php b/module/story/view/create.html.php
index 80c54e50cd..5746476a64 100644
--- a/module/story/view/create.html.php
+++ b/module/story/view/create.html.php
@@ -216,4 +216,5 @@
 </div>
 <?php js::set('projectID', $projectID);?>
 <?php js::set('storyModule', $lang->story->module);?>
+<?php js::set('storyType', $type);?>
 <?php include '../../common/view/footer.html.php';?>
diff --git a/module/story/view/edit.html.php b/module/story/view/edit.html.php
index 28ab2624f5..9812e04ba4 100644
--- a/module/story/view/edit.html.php
+++ b/module/story/view/edit.html.php
@@ -278,4 +278,5 @@
     </div>
   </form>
 </div>
+<?php js::set('storyType', $story->type);?>
 <?php include '../../common/view/footer.html.php';?>
diff --git a/module/story/view/review.html.php b/module/story/view/review.html.php
index d0e5ae6a87..6aae25cbe4 100644
--- a/module/story/view/review.html.php
+++ b/module/story/view/review.html.php
@@ -94,4 +94,5 @@ var assignedTo = '<?php $story->lastEditedBy ? print($story->lastEditedBy) : pri
   </div>
 </div>
 <?php js::set('storyID', $story->id);?>
+<?php js::set('storyType', $story->type);?>
 <?php include '../../common/view/footer.html.php';?>
diff --git a/module/story/view/view.html.php b/module/story/view/view.html.php
index 0e26604693..9bec07fc79 100644
--- a/module/story/view/view.html.php
+++ b/module/story/view/view.html.php
@@ -74,9 +74,10 @@
         common::printIcon('story', 'review', "storyID=$story->id", $story, 'button', '', '', 'showinonlybody');
         if($story->status != 'closed' and !isonlybody())
         {
-            $misc = "class='btn' data-toggle='modal' data-type='iframe' data-width='95%'";
-            $link = $this->createLink('story', 'batchCreate', "productID=$story->product&branch=$story->branch&moduleID=$story->module&storyID=$story->id", '', true);
-            if(common::hasPriv('story', 'batchCreate')) echo html::a($link, "<i class='icon icon-sitemap'></i> " . $lang->story->subdivide, '', $misc);
+            $divideLang = ($story->type == 'story' || !$story->type) ? $lang->story->subdivide : $lang->story->splitRequirent; 
+            $misc       = "class='btn divideStory' data-toggle='modal' data-type='iframe' data-width='95%'";
+            $link       = $this->createLink('story', 'batchCreate', "productID=$story->product&branch=$story->branch&moduleID=$story->module&storyID=$story->id", '', true);
+            if(common::hasPriv('story', 'batchCreate')) echo html::a($link, "<i class='icon icon-sitemap'></i> " . $divideLang, '', $misc);
         }
 
         common::printIcon('story', 'assignTo', "storyID=$story->id", $story, 'button', '', '', 'iframe showinonlybody', true);
@@ -108,7 +109,7 @@
 
         echo "<div class='divider'></div>";
         common::printIcon('story', 'edit', "storyID=$story->id", $story);
-        common::printIcon('story', 'create', "productID=$story->product&branch=$story->branch&moduleID=$story->module&storyID=$story->id", $story, 'button', 'copy', '', '', true, "data-width='1050'");
+        common::printIcon('story', 'create', "productID=$story->product&branch=$story->branch&moduleID=$story->module&storyID=$story->id&projectID=0&bugID=0&planID=0&todoID=0&extra=&type=$story->type", $story, 'button', 'copy', '', '', true, "data-width='1050'");
         common::printIcon('story', 'delete', "storyID=$story->id", $story, 'button', 'trash', 'hiddenwin');
         ?>
         <?php endif;?>
@@ -400,6 +401,7 @@ js::set('createStory', $lang->story->create);
 js::set('productID', $story->product);
 js::set('branch', $story->branch);
 js::set('moduleID', $story->module);
+js::set('storyType', $story->type);
 ?>
 <?php include '../../common/view/syntaxhighlighter.html.php';?>
 <?php include '../../common/view/footer.html.php';?>