private function save()
 {
     $Bpm = new Kutu_Core_Bpm_Catalog();
     $request = $this->getRequest();
     $aData = $request->getParams();
     $auth = Zend_Auth::getInstance();
     if (!$auth->hasIdentity()) {
         die('You are not login or your session is expired. Please login.');
     } else {
         $aData['username'] = $auth->getIdentity()->username;
     }
     print_r($aData);
     //die();
     $Bpm->save($aData);
 }