include('/opt/www/fdv2/drupal.stage/web/sites/default/settings.local.php') (Line: 4)
require('/opt/www/fdv2/drupal.stage/web/sites/drupal001.net/settings.php') (Line: 145)
Drupal\Core\Site\Settings::initialize('/opt/www/fdv2/drupal.stage/web', 'sites/drupal001.net', Object) (Line: 1099)
Drupal\Core\DrupalKernel->initializeSettings(Object) (Line: 701)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)
drush安装后，查询版本提示以下错误，请问怎样解决？
OS: Suse
PS: 我在Redhat上安装后没有提示一下错误。
drush --version
drush version 5.9
Could not download project status information from [error]
http://updates.drupal.org/release-history/drush/7.x
Invalid argument supplied for foreach() drush.inc:234 [warning]
