public function actionRouteSearch($target, $term = '', $refresh = '0')
 {
     if ($refresh == '1') {
         AccessHelper::refeshFileCache();
     }
     $result = [];
     $manager = Yii::$app->getAuthManager();
     $existsOptions = [];
     $exists = array_keys($manager->getPermissions());
     $routes = AccessHelper::getRoutes();
     if ($target == 'new') {
         foreach ($routes as $route) {
             if (in_array($route, $exists)) {
                 continue;
             }
             if (empty($term) or strpos($route, $term) !== false) {
                 $result[$route] = $route;
             }
         }
     } else {
         foreach ($exists as $name) {
             if ($name[0] !== '/') {
                 continue;
             }
             if (empty($term) or strpos($name, $term) !== false) {
                 $result[$name] = $name;
             }
             // extract route part from $name
             $r = explode('&', $name);
             if (empty($r[0]) || !in_array($r[0], $routes)) {
                 $existsOptions[$name] = ['class' => 'lost'];
             }
         }
     }
     $options = $target == 'new' ? [] : ['options' => $existsOptions];
     return Html::renderSelectOptions('', $result, $options);
 }