diff --git a/System/Pool/Connection.php b/System/Pool/Connection.php
index 1658fcb0..c2ecac68 100644
--- a/System/Pool/Connection.php
+++ b/System/Pool/Connection.php
@@ -145,6 +145,7 @@ class Connection extends Pool
             Runtime::enableCoroutine(false);
         }
         $cds = 'mysql:dbname=' . $config['database'] . ';host=' . $config['cds'];
+        var_dump($cds);
         $link = new PDO($cds, $config['username'], $config['password'], [
             PDO::ATTR_EMULATE_PREPARES         => false,
             PDO::ATTR_CASE                     => PDO::CASE_NATURAL,