diff --git a/src/Db/Core.php b/src/Db/Core.php
index d7e6f02..af42bf0 100644
--- a/src/Db/Core.php
+++ b/src/Db/Core.php
@@ -98,7 +98,7 @@ public function __construct(
         string $dbtype = 'mysql'
     ) {
         if (class_exists('Leaf\App')) {
-            app()->config('db.config', $this->config);
+            \Leaf\Config::set('db.config', $this->config);
         }
 
         if ($host !== '') {
@@ -263,13 +263,17 @@ public function table(string $table): self
     public function config($name, $value = null)
     {
         if (class_exists('Leaf\App') && function_exists('app')) {
+            if (!$value && is_string($name)) {
+                return $this->config[$name] ?? null;
+            }
+
             $this->config = array_merge($this->config, $name);
 
             if (!is_array($name)) {
                 $this->config[$name] = $value;
             }
 
-            app()->config('db.config', array_merge(app()->config('db.config'), $this->config));
+            \Leaf\Config::set('db.config', $this->config);
         } else {
             if (is_array($name)) {
                 $this->config = array_merge($this->config, $name);