public function getVersionAction()
 {
     $params = $this->_arrParam;
     Zend_Loader::loadClass("GameModel");
     if (isset($params["game_id"])) {
         $model = new GameModel();
         $result = $model->getVersion($params["game_id"]);
         if ($result) {
             $data = array("code" => 1, "content" => $result);
         } else {
             $data = array("code" => 0, "content" => "Game not found");
         }
     } else {
         $data = array("code" => 0, "content" => "Invalid parameters");
     }
     echo json_encode($data);
     exit;
 }