public function handle(array $params = null)
 {
     $tokenName = Application::getInstance()->config->get('App.cookie_prefix') . Application::getInstance()->config->get('App.token_cookie_name');
     $token = Input::cookie($tokenName);
     if (!empty($token)) {
         $result = Account::where('ucenter_token', $token)->limit(1)->get();
         if (!empty($result)) {
             $result = $result[0];
             if (time() < $result->token_expired) {
                 Request::addParameter('currentAccount', $result);
             }
         }
     }
 }