public function index()
 {
     $language = Cookie::get('language');
     $this->assign('language', $language);
     $this->assign('browser_id', css_browser_id());
     $this->display();
 }
 public function _initialize()
 {
     parent::_initialize();
     $this->userId = Session::get(C('USER_AUTH_KEY'));
     $this->userInfo = Session::get('userInfo');
     $this->userFriend = Session::get('userFriend');
     if (empty($this->userId)) {
         $language = Cookie::get('language');
     } else {
         $language = $this->userInfo['language'];
     }
     $this->assign('userId', $this->userId);
     $this->assign('userInfo', $this->userInfo);
     $this->assign('language', $language);
     $this->assign('browser_id', css_browser_id());
 }