diff --git a/config/config.php b/config/config.php
index 14507903f6..218e54c362 100644
--- a/config/config.php
+++ b/config/config.php
@@ -37,8 +37,9 @@ $config->sessionVar  = 'sid';             // requestType=GET: the session var na
 $config->views  = ',html,json,mhtml,'; 
 
 /* Set the wide window size. */
-$config->wideSize = 1400;
-$config->timeout  = 30000;
+$config->wideSize      = 1400;
+$config->timeout       = 30000;
+$config->duplicateTime = 60; // from 1 minute.
 
 /* Supported languages. */
 $config->langs['zh-cn'] = '简体';
diff --git a/module/bug/control.php b/module/bug/control.php
index a779e40a9c..efd920d559 100644
--- a/module/bug/control.php
+++ b/module/bug/control.php
@@ -228,9 +228,10 @@ class bug extends control
             }
 
             $bugID = $bugResult['id'];
-            if($bugResult['status'] == 'existed')
+            if($bugResult['status'] == 'exists')
             {
-                $response['locate'] = $this->createLink('bug', 'view', "bugID=$bugID");
+                $response['message'] = sprintf($this->lang->duplicate, $this->lang->bug->common);
+                $response['locate']  = $this->createLink('bug', 'view', "bugID=$bugID");
                 $this->send($response);
             }
 
diff --git a/module/bug/model.php b/module/bug/model.php
index 6cb1815049..0f46b12eb4 100644
--- a/module/bug/model.php
+++ b/module/bug/model.php
@@ -56,8 +56,8 @@ class bugModel extends model
             ->get();
 
         /* Check repeat bug. */
-        $bugID = $this->loadModel('common')->checkRepeat('bug', 'check', $bug->title, "product={$bug->product}");
-        if($bugID) return array('status' => 'existed', 'id' => $bugID);
+        $result = $this->loadModel('common')->removeDuplicate('bug', $bug, "product={$bug->product}");
+        if($result['stop']) return array('status' => 'exists', 'id' => $result['duplicate']);
 
         $this->dao->insert(TABLE_BUG)->data($bug)->autoCheck()->batchCheck($this->config->bug->create->requiredFields, 'notempty')->exec();
         if(!dao::isError())
@@ -83,11 +83,13 @@ class bugModel extends model
         $actions    = array();
         $data       = fixer::input('post')->get();
         $batchNum   = count(reset($data));
-        $latestBugs = $this->loadModel('common')->checkRepeat('bug', 'get', '', "product=$productID");
+
+        $result = $this->loadModel('common')->removeDuplicate('bug', $data, "product=$productID");
+        $data   = $result['data'];
 
         for($i = 0; $i < $batchNum; $i++)
         {
-            if(!empty($data->titles[$i]) and empty($data->openedBuilds[$i])) die(js::alert(sprintf($this->lang->error->notempty, $this->lang->bug->openedBuild)));
+            if(!empty($data->title[$i]) and empty($data->openedBuilds[$i])) die(js::alert(sprintf($this->lang->error->notempty, $this->lang->bug->openedBuild)));
         }
 
         /* Get pairs(moduleID => moduleOwner) for bug. */
@@ -102,27 +104,36 @@ class bugModel extends model
         $browser = '';
         for($i = 0; $i < $batchNum; $i++)
         {
-            if(empty($data->titles[$i])) continue;
-
             if($data->modules[$i]  != 'ditto') $module  = (int)$data->modules[$i];
             if($data->projects[$i] != 'ditto') $project = (int)$data->projects[$i];
             if($data->types[$i]    != 'ditto') $type    = $data->types[$i];
             if($data->oses[$i]     != 'ditto') $os      = $data->oses[$i];
             if($data->browsers[$i] != 'ditto') $browser = $data->browsers[$i];
 
+            $data->modules[$i]  = (int)$module;
+            $data->projects[$i] = (int)$project;
+            $data->types[$i]    = $type;
+            $data->oses[$i]     = $os;
+            $data->browsers[$i] = $browser;
+        }
+
+        for($i = 0; $i < $batchNum; $i++)
+        {
+            if(empty($data->title[$i])) continue;
+
             $bug = new stdClass();
             $bug->openedBy    = $this->app->user->account;
             $bug->openedDate  = $now;
             $bug->product     = $productID;
-            $bug->module      = $module;
-            $bug->project     = $project;
+            $bug->module      = $data->modules[$i];
+            $bug->project     = $data->projects[$i];
             $bug->openedBuild = implode(',', $data->openedBuilds[$i]);
-            $bug->title       = $data->titles[$i];
+            $bug->title       = $data->title[$i];
             $bug->steps       = nl2br($data->stepses[$i]);
-            $bug->type        = $type;
+            $bug->type        = $data->types[$i];
             $bug->severity    = $data->severities[$i];
-            $bug->os          = $os;
-            $bug->browser     = $browser;
+            $bug->os          = $data->oses[$i];
+            $bug->browser     = $data->browsers[$i];
 
             if(!empty($moduleOwners[$bug->module]))
             {
diff --git a/module/bug/view/batchcreate.html.php b/module/bug/view/batchcreate.html.php
index cdde551c78..12fe2fc6bf 100644
--- a/module/bug/view/batchcreate.html.php
+++ b/module/bug/view/batchcreate.html.php
@@ -57,7 +57,7 @@
         <td class='text-left' style='overflow:visible'><?php echo html::select("modules[$i]", $moduleOptionMenu, $moduleID, "class='form-control chosen'");?></td>
         <td class='text-left' style='overflow:visible'><?php echo html::select("projects[$i]", $projects, $projectID, "class='form-control chosen' onchange='loadProjectBuilds($productID, this.value, $i)'");?></td>
         <td class='text-left' style='overflow:visible' id='buildBox<?php echo $i;?>'><?php echo html::select("openedBuilds[$i][]", $builds, '', "class='form-control chosen' multiple");?></td>
-        <td><?php echo html::input("titles[$i]", '', 'class=form-control');?></td>
+        <td><?php echo html::input("title[$i]", '', 'class=form-control');?></td>
         <td>
           <?php echo html::textarea("stepses[$i]", '', "rows='1' class='form-control'");?>
         </td>
diff --git a/module/common/lang/en.php b/module/common/lang/en.php
index af48deb4e3..65ee2d5007 100644
--- a/module/common/lang/en.php
+++ b/module/common/lang/en.php
@@ -61,6 +61,7 @@ $lang->addFiles     = 'Add Files';
 $lang->files        = 'Files ';
 $lang->pasteText    = 'Paste text';
 $lang->timeout      = 'Timed out, please check the network, or retry!';
+$lang->duplicate    = '%s has the same title';
 $lang->unfold       = '+';
 $lang->fold         = '-';
 
diff --git a/module/common/lang/zh-cn.php b/module/common/lang/zh-cn.php
index 8a58d8a6bc..6a1a6062d6 100644
--- a/module/common/lang/zh-cn.php
+++ b/module/common/lang/zh-cn.php
@@ -61,6 +61,7 @@ $lang->addFiles     = '上传了附件 ';
 $lang->files        = '附件 ';
 $lang->pasteText    = '粘贴文本 ';
 $lang->timeout      = '连接超时，请检查网络环境，或重试！';
+$lang->duplicate    = '已有相同标题的%s';
 $lang->unfold       = '+';
 $lang->fold         = '-';
 
diff --git a/module/common/model.php b/module/common/model.php
index ccd093e2c3..06f097017f 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -741,45 +741,39 @@ class commonModel extends model
     }
 
     /**
-     * Check repeat for story,task,bug,case,doc.
+     * Remove duplicate for story,task,bug,case,doc.
      * 
-     * @param  string $type 
-     * @param  string $mode 
-     * @param  string $title 
-     * @param  string $condition 
+     * @param  string       $type  e.g. story task bug case doc.
+     * @param  array|object $data 
+     * @param  string       $condition 
      * @access public
-     * @return bool|array
+     * @return array
      */
-    public function checkRepeat($type, $mode = 'check', $title = '', $condition = '')
+    public function removeDuplicate($type, $data = '', $condition = '')
     {
-        $table = $this->config->objectTables[$type];
-        $field = $type == 'task' ? 'name' : 'title';
-        $date  = date(DT_DATETIME1, time() - 1 * 60);
+        $table      = $this->config->objectTables[$type];
+        $titleField = $type == 'task' ? 'name' : 'title';
+        $date       = date(DT_DATETIME1, time() - $this->config->duplicateTime * 60);
+        $dateField  = $type == 'doc' ? 'addedDate' : 'openedDate';
+        $titles     = $data->$titleField;
 
-        if($mode == 'check' and empty($title)) return false;
-        if($mode == 'check')
+        if(empty($titles)) return false;
+        $duplicate = $this->dao->select("id,$titleField")->from($table)
+            ->where('deleted')->eq(0)
+            ->andWhere($titleField)->in($titles)
+            ->andWhere($dateField)->ge($date)->fi()
+            ->beginIF($condition)->andWhere($condition)->fi()
+            ->fetchPairs();
+
+        if($duplicate and is_string($titles)) return array('stop' => true, 'duplicate' => key($duplicate));
+        if($duplicate and is_array($titles))
         {
-            $repeatObject = $this->dao->select('*')->from($table)
-                ->where('deleted')->eq(0)
-                ->andWhere($field)->eq($title)
-                ->beginIF($type == 'doc')->andWhere('addedDate')->ge($date)->fi()
-                ->beginIF($type != 'doc')->andWhere('openedDate')->ge($date)->fi()
-                ->beginIF($condition)->andWhere($condition)->fi()
-                ->fetch();
-
-            if($repeatObject) return $repeatObject->id;
-            return false;
+            foreach($titles as $i => $title)
+            {
+                if(in_array($title, $duplicate)) unset($titles[$i]);
+            }
+            $data->$titleField = $titles;
         }
-        elseif($mode == 'get')
-        {
-            return $this->dao->select("id,$field")->from($table)
-                ->where('deleted')->eq(0)
-                ->beginIF($type == 'doc')->andWhere('addedDate')->ge($date)->fi()
-                ->beginIF($type != 'doc')->andWhere('openedDate')->ge($date)->fi()
-                ->beginIF($condition)->andWhere($condition)->fi()
-                ->fetchPairs();
-        }
-
-        return false;
+        return array('stop' => false, 'data' => $data);
     }
 }
diff --git a/module/doc/control.php b/module/doc/control.php
index eeaf16dbb7..59a9a4a955 100644
--- a/module/doc/control.php
+++ b/module/doc/control.php
@@ -253,7 +253,11 @@ class doc extends control
             if(!$docResult or dao::isError()) die(js::error(dao::getError()));
 
             $docID = $docResult['id'];
-            if($docResult['status'] == 'existed') die(js::locate($this->createLink('doc', 'view', "docID=$docID"), 'parent'));
+            if($docResult['status'] == 'exists')
+            {
+                echo js::alert(sprintf($this->lang->duplicate, $this->lang->doc->common));
+                die(js::locate($this->createLink('doc', 'view', "docID=$docID"), 'parent'));
+            }
             $this->action->create('doc', $docID, 'Created');
 
             if($from == 'product') $link = $this->createLink('product', 'doc', "productID={$this->post->product}");
diff --git a/module/doc/lang/zh-cn.php b/module/doc/lang/zh-cn.php
index 627de04275..e259f678e5 100644
--- a/module/doc/lang/zh-cn.php
+++ b/module/doc/lang/zh-cn.php
@@ -10,7 +10,7 @@
  * @link        http://www.zentao.net
  */
 /* 字段列表。*/
-$lang->doc->common         = '文档视图';
+$lang->doc->common         = '文档';
 $lang->doc->id             = '文档编号';
 $lang->doc->product        = '所属产品';
 $lang->doc->project        = '所属项目';
@@ -65,7 +65,7 @@ $lang->doc->types['url']  = '链接';
 $lang->doc->types['text'] = '网页';
 
 $lang->doc->confirmDelete      = "您确定删除该文档吗？";
-$lang->doc->confirmDeleteLib   = " 您确定删除该文档库吗？";
+$lang->doc->confirmDeleteLib   = "您确定删除该文档库吗？";
 $lang->doc->errorEditSystemDoc = "系统文档库无需修改。";
 
 $lang->doc->placeholder = new stdclass();
diff --git a/module/doc/model.php b/module/doc/model.php
index a9bd48f81c..8a89cc835e 100644
--- a/module/doc/model.php
+++ b/module/doc/model.php
@@ -190,8 +190,8 @@ class docModel extends model
             ->get();
         $condition = "lib = '$doc->lib' AND module = $doc->module";
 
-        $docID = $this->loadModel('common')->checkRepeat('doc', 'check', $doc->title, $condition);
-        if($docID) return array('status' => 'existed', 'id' => $docID);
+        $result = $this->loadModel('common')->removeDuplicate('doc', $doc, $condition);
+        if($result['stop']) return array('status' => 'exists', 'id' => $result['duplicate']);
 
         $this->dao->insert(TABLE_DOC)
             ->data($doc)
diff --git a/module/story/control.php b/module/story/control.php
index ff027fa5cd..8003459f3d 100644
--- a/module/story/control.php
+++ b/module/story/control.php
@@ -51,8 +51,9 @@ class story extends control
             }
 
             $storyID = $storyResult['id'];
-            if($storyResult['status'] == 'existed')
+            if($storyResult['status'] == 'exists')
             {
+                $response['message'] = sprintf($this->lang->duplicate, $this->lang->story->common);
                 if($projectID == 0)
                 {
                     $response['locate'] = $this->createLink('story', 'view', "storyID={$storyID}");
diff --git a/module/story/model.php b/module/story/model.php
index 561bfa5aae..07257db55e 100644
--- a/module/story/model.php
+++ b/module/story/model.php
@@ -138,8 +138,8 @@ class storyModel extends model
             ->get();
 
         /* Check repeat story. */
-        $storyID = $this->loadModel('common')->checkRepeat('story', 'check', $story->title, "product={$story->product}");
-        if($storyID) return array('status' => 'existed', 'id' => $storyID);
+        $result = $this->loadModel('common')->removeDuplicate('story', $story, "product={$story->product}");
+        if($result['stop']) return array('status' => 'exists', 'id' => $result['duplicate']);
 
         $this->dao->insert(TABLE_STORY)->data($story)->autoCheck()->batchCheck($this->config->story->create->requiredFields, 'notempty')->exec();
         if(!dao::isError())
@@ -210,18 +210,30 @@ class storyModel extends model
      */
     public function batchCreate($productID = 0)
     {
-        $now           = helper::now();
-        $stories       = fixer::input('post')->get();
-        $batchNum      = count(reset($stories));
-        $latestStories = $this->loadModel('common')->checkRepeat('story', 'get', '', "product={$productID}");
+        $now      = helper::now();
+        $stories  = fixer::input('post')->get();
+        $batchNum = count(reset($stories));
+
+        $result  = $this->loadModel('common')->removeDuplicate('story', $stories, "product={$productID}");
+        $stories = $result['data'];
+
+        $module = 0;
+        $plan   = 0;
+        for($i = 0; $i < $batchNum; $i++)
+        {
+            $module = $stories->module[$i] == 'same' ? $module : $stories->module[$i];
+            $plan   = $stories->plan[$i]   == 'same' ? $plan   : $stories->plan[$i];
+            $stories->module[$i] = (int)$module;
+            $stories->plan[$i]   = (int)$plan;
+        }
 
         for($i = 0; $i < $batchNum; $i++)
         {
             if($stories->title[$i] != '')
             {
                 $data[$i] = new stdclass();
-                $data[$i]->module     = $stories->module[$i] != 'same' ? $stories->module[$i] : ($i == 0 ? 0 : $data[$i-1]->module);
-                $data[$i]->plan       = $stories->plan[$i] == 'same' ? ($i != 0 ? $data[$i-1]->plan : 0) : ($stories->plan[$i] != '' ?     $stories->plan[$i] : 0);
+                $data[$i]->module     = $stories->module[$i];
+                $data[$i]->plan       = $stories->plan[$i];
                 $data[$i]->title      = $stories->title[$i];
                 $data[$i]->pri        = $stories->pri[$i] != '' ?      $stories->pri[$i] : 0;
                 $data[$i]->estimate   = $stories->estimate[$i] != '' ? $stories->estimate[$i] : 0;
diff --git a/module/task/control.php b/module/task/control.php
index 74de17cc46..26d186b0bf 100644
--- a/module/task/control.php
+++ b/module/task/control.php
@@ -76,12 +76,24 @@ class task extends control
                 $this->send($response);
             }
 
+            /* if the count of tasksID is 1 then check exists. */
+            if(count($tasksID) == 1)
+            {
+                $taskID = current($tasksID);
+                if($taskID['status'] == 'exists')
+                {
+                    $response['locate']  = $this->createLink('task', 'view', "taskID={$taskID['id']}");
+                    $response['message'] = sprintf($this->lang->duplicate, $this->lang->task->common);
+                    $this->send($response);
+                }
+            }
+
             /* Create actions. */
             $this->loadModel('action');
             foreach($tasksID as $taskID)
             {
-                /* if status is existed then this task has existed not new create. */
-                if($taskID['status'] == 'existed') continue;
+                /* if status is exists then this task has exists not new create. */
+                if($taskID['status'] == 'exists') continue;
 
                 $taskID   = $taskID['id'];
                 $actionID = $this->action->create('task', $taskID, 'Opened', '');
diff --git a/module/task/model.php b/module/task/model.php
index d43df45b96..55f81d5758 100644
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -22,9 +22,8 @@ class taskModel extends model
      */
     public function create($projectID)
     {
-        $tasksID     = array();
-        $taskFile    = '';
-        $latestTasks = $this->loadModel('common')->checkRepeat('task', 'get', '', "project=$projectID");
+        $tasksID  = array();
+        $taskFile = '';
         foreach($this->post->assignedTo as $assignedTo)
         {
             if($this->post->type == 'affair' and empty($assignedTo)) continue;
@@ -46,11 +45,15 @@ class taskModel extends model
 
             if($assignedTo) $task->assignedDate = helper::now();
 
-            /* Check repeat task. */
-            if($latestTasks and $taskID = array_search($task->name, $latestTasks))
+            /* Check duplicate task. */
+            if($task->type != 'affair')
             {
-                $tasksID[$assignedTo] = array('status' => 'existed', 'id' => $taskID);
-                continue;
+                $result = $this->loadModel('common')->removeDuplicate('task', $task, "project=$projectID");
+                if($result['stop'])
+                {
+                    $tasksID[$assignedTo] = array('status' => 'exists', 'id' => $result['duplicate']);
+                    continue;
+                }
             }
 
             $this->dao->insert(TABLE_TASK)->data($task)
@@ -95,11 +98,13 @@ class taskModel extends model
     public function batchCreate($projectID)
     {
         $this->loadModel('action');
-        $now         = helper::now();
-        $mails       = array();
-        $tasks       = fixer::input('post')->get();
-        $batchNum    = count(reset($tasks));
-        $latestTasks = $this->loadModel('common')->checkRepeat('task', 'get', '', "project=$projectID");
+        $now      = helper::now();
+        $mails    = array();
+        $tasks    = fixer::input('post')->get();
+        $batchNum = count(reset($tasks));
+
+        $result = $this->loadModel('common')->removeDuplicate('task', $tasks, "project=$projectID");
+        $tasks  = $result['data'];
 
         /* check estimate. */
         for($i = 0; $i < $batchNum; $i++)
@@ -110,15 +115,33 @@ class taskModel extends model
             }
             if(!empty($tasks->name[$i]) and empty($tasks->type[$i]))die(js::alert(sprintf($this->lang->error->notempty, $this->lang->task->type)));
         }
+
+        $story      = 0;
+        $module     = 0;
+        $type       = '';
+        $assignedTo = '';
+        for($i = 0; $i < $batchNum; $i++)
+        {
+            $story      = $tasks->story[$i]      == 'ditto' ? $story     : $tasks->story[$i];
+            $module     = $tasks->module[$i]     == 'ditto' ? $module    : $tasks->module[$i];    
+            $type       = $tasks->type[$i]       == 'ditto' ? $type      : $tasks->type[$i];
+            $assignedTo = $tasks->assignedTo[$i] == 'ditto' ? $assignedTo: $tasks->assignedTo[$i];
+
+            $tasks->story[$i]      = (int)$story;
+            $tasks->module[$i]     = (int)$module;
+            $tasks->type[$i]       = $type;
+            $tasks->assignedTo[$i] = $assignedTo;
+        }
+
         for($i = 0; $i < $batchNum; $i++)
         {
             if(empty($tasks->name[$i])) continue;
 
             $data[$i] = new stdclass();
-            $data[$i]->story        = $tasks->story[$i]      == 'ditto' ? (isset($data[$i-1]) ? $data[$i-1]->story      : 0) : ($tasks->story[$i] ? $tasks->story[$i] : 0);
-            $data[$i]->type         = $tasks->type[$i]       == 'ditto' ? (isset($data[$i-1]) ? $data[$i-1]->type       : 0) : $tasks->type[$i];
-            $data[$i]->module       = $tasks->module[$i]     == 'ditto' ? (isset($data[$i-1]) ? $data[$i-1]->module     : 0) : $tasks->module[$i];
-            $data[$i]->assignedTo   = $tasks->assignedTo[$i] == 'ditto' ? (isset($data[$i-1]) ? $data[$i-1]->assignedTo : 0) : $tasks->assignedTo[$i];
+            $data[$i]->story        = $tasks->story[$i];
+            $data[$i]->type         = $tasks->type[$i];
+            $data[$i]->module       = $tasks->module[$i];
+            $data[$i]->assignedTo   = $tasks->assignedTo[$i];
             $data[$i]->name         = $tasks->name[$i];
             $data[$i]->desc         = nl2br($tasks->desc[$i]);
             $data[$i]->pri          = $tasks->pri[$i];
diff --git a/module/testcase/control.php b/module/testcase/control.php
index eae794fd9e..91f2994d55 100644
--- a/module/testcase/control.php
+++ b/module/testcase/control.php
@@ -235,9 +235,10 @@ class testcase extends control
             }
 
             $caseID = $caseResult['id'];
-            if($caseResult['status'] == 'existed')
+            if($caseResult['status'] == 'exists')
             {
-                $response['locate'] = $this->createLink('testcase', 'view', "caseID=$caseID");
+                $response['message'] = sprintf($this->lang->duplicate, $this->lang->testcase->common);
+                $response['locate']  = $this->createLink('testcase', 'view', "caseID=$caseID");
                 $this->send($response);
             }
 
diff --git a/module/testcase/lang/zh-cn.php b/module/testcase/lang/zh-cn.php
index a19d664b69..f6d5b94a72 100644
--- a/module/testcase/lang/zh-cn.php
+++ b/module/testcase/lang/zh-cn.php
@@ -52,7 +52,7 @@ $lang->testcase->stepID     = '编号';
 $lang->testcase->stepDesc   = '步骤';
 $lang->testcase->stepExpect = '预期';
 
-$lang->testcase->common             = '用例管理';
+$lang->testcase->common             = '用例';
 $lang->testcase->index              = "用例管理首页";
 $lang->testcase->create             = "建用例";
 $lang->testcase->batchCreate        = "批量添加";
diff --git a/module/testcase/model.php b/module/testcase/model.php
index 8abaacac19..9036003ab2 100644
--- a/module/testcase/model.php
+++ b/module/testcase/model.php
@@ -54,8 +54,8 @@ class testcaseModel extends model
             ->join('stage', ',')
             ->get();
 
-        $caseID = $this->loadModel('common')->checkRepeat('case', 'check', $case->title, "product={$case->product}");
-        if($caseID) return array('status' => 'existed', 'id' => $caseID);
+        $result = $this->loadModel('common')->removeDuplicate('case', $case, "product={$case->product}");
+        if($result['stop']) return array('status' => 'exists', 'id' => $result['duplicate']);
 
         $this->dao->insert(TABLE_CASE)->data($case)->autoCheck()->batchCheck($this->config->testcase->create->requiredFields, 'notempty')->exec();
         if(!$this->dao->isError())
@@ -89,21 +89,37 @@ class testcaseModel extends model
         $now         = helper::now();
         $cases       = fixer::input('post')->get();
         $batchNum    = count(reset($cases));
-        $latestCases = $this->loadModel('common')->checkRepeat('case', 'get', '', "product=$productID");
+
+        $result = $this->loadModel('common')->removeDuplicate('case', $cases, "product=$productID");
+        $cases  = $result['data'];
 
         for($i = 0; $i < $batchNum; $i++)
         {
             if(!empty($cases->title[$i]) and empty($cases->type[$i])) die(js::alert(sprintf($this->lang->error->notempty, $this->lang->testcase->type)));
         }
+
+        $module = 0;
+        $story  = 0;
+        $type   = '';
+        for($i = 0; $i < $batchNum; $i++)
+        {
+            $module = $cases->module[$i] == 'same' ? $module : $cases->module[$i];
+            $story  = $cases->story[$i] == 'same'  ? $story  : $cases->story[$i];
+            $type   = $cases->type[$i] == 'same'   ? $type   : $cases->type[$i];
+            $cases->module[$i] = (int)$module;
+            $cases->story[$i]  = (int)$story;        
+            $cases->type[$i]   = $type;
+        }
+
         for($i = 0; $i < $batchNum; $i++)
         {
             if($cases->type[$i] != '' and $cases->title[$i] != '')
             {
                 $data[$i] = new stdclass();
                 $data[$i]->product    = $productID;
-                $data[$i]->module     = $cases->module[$i] == 'same' ? ($i == 0 ? 0 : $data[$i-1]->module) : $cases->module[$i];
-                $data[$i]->type       = $cases->type[$i] == 'same' ? ($i == 0 ? '' : $data[$i-1]->type) : $cases->type[$i]; 
-                $data[$i]->story      = $storyID ? $storyID : ($cases->story[$i] == 'same' ? ($i == 0 ? 0 : $data[$i-1]->story) : $cases->story[$i]); 
+                $data[$i]->module     = $cases->module[$i];
+                $data[$i]->type       = $cases->type[$i];
+                $data[$i]->story      = $storyID ? $storyID : $cases->story[$i]; 
                 $data[$i]->title      = $cases->title[$i];
                 $data[$i]->openedBy   = $this->app->user->account;
                 $data[$i]->openedDate = $now;