diff --git a/module/custom/control.php b/module/custom/control.php
index 107b253ff7..bd26fb1b40 100644
--- a/module/custom/control.php
+++ b/module/custom/control.php
@@ -354,11 +354,11 @@ class custom extends control
      * @return void
      */
     public function estimate()
-    {   
+    {
         $this->lang->custom->menu = new stdclass();
         $this->lang->navGroup->custom = 'system';
         if(strtolower($this->server->request_method) == "post")
-        {   
+        {
             $data = fixer::input('post')->get();
             $this->loadModel('setting')->setItem('system.custom.hourPoint', $data->hourPoint);
             $this->loadModel('setting')->setItem('system.custom.cost', $data->cost);
@@ -368,11 +368,11 @@ class custom extends control
 
             if(dao::isError()) $this->send(array('result' => 'fail', 'message' => dao::getError()));
             $this->send(array('result' => 'success', 'message' => $this->lang->saveSuccess, 'locate' => $this->createLink('custom', 'estimate')));
-        }   
+        }
 
         $this->app->loadConfig('project');
 
-        $this->view->unit       = zget($this->config->custom, 'hourPoint', '1'); 
+        $this->view->unit       = zget($this->config->custom, 'hourPoint', '1');
         $this->view->cost       = zget($this->config->custom, 'cost', '');
         $this->view->efficiency = zget($this->config->custom, 'efficiency', '');
         $this->view->hours      = zget($this->config->project, 'defaultWorkhours', '');
diff --git a/module/custom/model.php b/module/custom/model.php
index 8b42b02f9e..d9be895175 100644
--- a/module/custom/model.php
+++ b/module/custom/model.php
@@ -362,7 +362,7 @@ class customModel extends model
     }
 
     /**
-     * Get system swapper. 
+     * Get system swapper.
      * @param  string $module
      * @param  string $method
      * @access public
@@ -370,8 +370,8 @@ class customModel extends model
      */
     public function getSwapper()
     {
-        $current = (isset($_COOKIE['systemModel']) and $_COOKIE['systemModel'] == 'scrum') ? 'scrum' : 'cmmi'; 
-        $link    = (isset($_COOKIE['systemModel']) and $_COOKIE['systemModel'] == 'scrum') ? html::a(helper::createLink('custom', 'setcmmi'), 'CMMI') : html::a(helper::createLink('custom', 'setscrum'), 'SCRUM');
+        $current = (isset($_COOKIE['systemModel']) and $_COOKIE['systemModel'] == 'scrum') ? 'Scrum' : 'CMMI';
+        $link    = (isset($_COOKIE['systemModel']) and $_COOKIE['systemModel'] == 'scrum') ? html::a(helper::createLink('custom', 'setcmmi'), 'CMMI') : html::a(helper::createLink('custom', 'setscrum'), 'Scrum');
 
         $output  = "<div class='btn-group' id='swapper'><button data-toggle='dropdown' type='button' class='btn btn-limit' title='{$current}'>{$current} <i class='icon icon-swap'></i></button>";
         $output .= "<ul class='dropdown-menu'><li>" . $link . "</li></ul>";
diff --git a/module/group/lang/.resource.php.swp b/module/group/lang/.resource.php.swp
deleted file mode 100644
index aa2ed87700..0000000000
Binary files a/module/group/lang/.resource.php.swp and /dev/null differ