diff --git a/extension/lite/kanban/ext/lang/zh-cn/lite.php b/extension/lite/kanban/ext/lang/zh-cn/lite.php
new file mode 100644
index 0000000000..109bc66527
--- /dev/null
+++ b/extension/lite/kanban/ext/lang/zh-cn/lite.php
@@ -0,0 +1,8 @@
+<?php
+$lang->kanban->taskColumn = array();
+$lang->kanban->taskColumn['wait']       = '未开始';
+$lang->kanban->taskColumn['developing'] = '进行中';
+$lang->kanban->taskColumn['developed']  = '已完成';
+$lang->kanban->taskColumn['pause']      = '已暂停';
+$lang->kanban->taskColumn['canceled']   = '已取消';
+$lang->kanban->taskColumn['closed']     = '已关闭';
diff --git a/extension/lite/kanban/ext/model/lite.php b/extension/lite/kanban/ext/model/lite.php
index c6c5fcccdf..e30045d162 100644
--- a/extension/lite/kanban/ext/model/lite.php
+++ b/extension/lite/kanban/ext/model/lite.php
@@ -4,3 +4,103 @@ public function __construct($appName = '')
     parent::__construct($appName);
     $this->lang->kanban->menu = new stdclass();
 }
+
+public function getKanban4Group($executionID, $browseType, $groupBy)
+{
+    /* Get card  data. */
+    $cardList = array();
+    if($browseType == 'story') $cardList = $this->loadModel('story')->getExecutionStories($executionID, 0, 0, 't1.`order`_desc', 'allStory');
+    if($browseType == 'bug')   $cardList = $this->loadModel('bug')->getExecutionBugs($executionID);
+    if($browseType == 'task')  $cardList = $this->loadModel('execution')->getKanbanTasks($executionID, "id");
+
+    $lanes = $this->getLanes4Group($executionID, $browseType, $groupBy, $cardList);
+    if(empty($lanes)) return array();
+
+    $columns = $this->dao->select('t1.*, t2.`type` as columnType')->from(TABLE_KANBANCELL)->alias('t1')
+        ->leftJoin(TABLE_KANBANCOLUMN)->alias('t2')->on('t1.`column` = t2.id')
+        ->where('t1.kanban')->eq($executionID)
+        ->andWhere('t1.`type`')->eq($browseType)
+        ->fetchAll();
+
+    $cardGroup = array();
+    foreach($columns as $column)
+    {
+        if(empty($column->cards)) continue;
+        foreach($cardList as $card)
+        {
+            if(strpos($column->cards, ",$card->id,") !== false) $cardGroup[$column->columnType][$card->id] = $card;
+        }
+    }
+
+    /* Build kanban group data. */
+    $kanbanGroup = array();
+    foreach($lanes as $laneID => $lane)
+    {
+        $laneData   = array();
+        $columnData = array();
+        $columnList = $this->lang->kanban->{$browseType . 'Column'};
+
+        $laneData['id']              = $groupBy . $laneID;
+        $laneData['laneID']          = $groupBy . $laneID;
+        $laneData['name']            = (($groupBy == 'pri' or $groupBy == 'severity') and $laneID) ? $this->lang->$browseType->$groupBy . ':' . $lane->name : $lane->name;
+        $laneData['color']           = $lane->color;
+        $laneData['order']           = $lane->order;
+        $laneData['defaultCardType'] = $browseType;
+
+        /* Construct kanban column data. */
+        foreach($columnList as $columnID => $columnName)
+        {
+            $parentColumn = '';
+            if(in_array($columnID, array('testing', 'tested')))       $parentColumn = 'test';
+            if(in_array($columnID, array('fixing', 'fixed')))         $parentColumn = 'resolving';
+
+            $columnData[$columnID]['id']         = $columnID;
+            $columnData[$columnID]['type']       = $columnID;
+            $columnData[$columnID]['name']       = $columnName;
+            $columnData[$columnID]['color']      = '#333';
+            $columnData[$columnID]['limit']      = -1;
+            $columnData[$columnID]['laneType']   = $browseType;
+            $columnData[$columnID]['asParent']   = in_array($columnID, array('develop', 'test', 'resolving')) ? true : false;
+            $columnData[$columnID]['parentType'] = $parentColumn;
+
+            $cardOrder = 1;
+            $objects   = zget($cardGroup, $columnID, array());
+            foreach($objects as $object)
+            {
+                if(empty($object)) continue;
+
+                $cardData = array();
+                if(in_array($groupBy, array('module', 'story', 'pri', 'severity')) and (int)$object->$groupBy !== $laneID) continue;
+                if(in_array($groupBy, array('assignedTo', 'type', 'category', 'source')) and $object->$groupBy != $laneID) continue;
+
+                $cardData['id']         = $object->id;
+                $cardData['order']      = $cardOrder;
+                $cardData['pri']        = $object->pri ? $object->pri : '';
+                $cardData['estimate']   = $browseType == 'bug' ? '' : $object->estimate;
+                $cardData['assignedTo'] = $object->assignedTo;
+                $cardData['deadline']   = $browseType == 'story' ? '' : $object->deadline;
+                $cardData['severity']   = $browseType == 'bug' ? $object->severity : '';
+
+                if($browseType == 'task')
+                {
+                    $cardData['name'] = $object->name;
+                }
+                else
+                {
+                    $cardData['title'] = $object->title;
+                }
+
+                $laneData['cards'][$columnID][] = $cardData;
+                $cardOrder ++;
+            }
+            if(!isset($laneData['cards'][$columnID])) $laneData['cards'][$columnID] = array();
+        }
+
+        $kanbanGroup[$groupBy]['id']              = $groupBy . $laneID;
+        $kanbanGroup[$groupBy]['columns']         = array_values($columnData);
+        $kanbanGroup[$groupBy]['lanes'][]         = $laneData;
+        $kanbanGroup[$groupBy]['defaultCardType'] = $browseType;
+    }
+
+    return $kanbanGroup;
+}