diff --git a/Base/Model.php b/Base/Model.php
index 5ad98ec..0822625 100644
--- a/Base/Model.php
+++ b/Base/Model.php
@@ -492,7 +492,7 @@ abstract class Model extends Component implements ModelInterface, ArrayAccess, T
 	 */
 	private function diff(): array
 	{
-		$changes = array_diff_assoc($this->_oldAttributes, $this->_attributes);
+		$changes = array_diff_assoc($this->_attributes, $this->_oldAttributes);
 
 		$condition = array_intersect_assoc($this->_oldAttributes, $this->_attributes);
 
diff --git a/DatabasesProviders.php b/DatabasesProviders.php
index d97459e..3b40f39 100644
--- a/DatabasesProviders.php
+++ b/DatabasesProviders.php
@@ -6,8 +6,8 @@ namespace Database;
 
 use Exception;
 use Kiri;
-use Kiri\Abstracts\Config;
 use Kiri\Abstracts\Providers;
+use Kiri\Config\ConfigProvider;
 use Swoole\Timer;
 use Kiri\Di\LocalService;
 
@@ -26,10 +26,10 @@ class DatabasesProviders extends Providers
 	 */
 	public function onImport(LocalService $application): void
 	{
-		$main = Kiri::getDi()->get(Kiri\Main::class);
+		$main = Kiri::getDi()->get(Kiri\Application::class);
 		$main->command(BackupCommand::class);
 
-		$databases = Config::get('databases.connections', []);
+		$databases = \config('databases.connections', []);
 		if (empty($databases)) {
 			return;
 		}
@@ -45,7 +45,7 @@ class DatabasesProviders extends Providers
 			return;
 		}
 		Timer::tick(60000, function () {
-			$databases = Config::get('databases.connections', []);
+			$databases = \config('databases.connections', []);
 			if (empty($databases)) {
 				return;
 			}
@@ -65,7 +65,7 @@ class DatabasesProviders extends Providers
 	public function exit(): void
 	{
 		Timer::clearAll();
-		$databases = Config::get('databases.connections', []);
+		$databases = \config('databases.connections', []);
 		if (!empty($databases)) {
 			$connection = Kiri::getDi()->get(Kiri\Pool\Pool::class);
 			foreach ($databases as $database) {
diff --git a/Db.php b/Db.php
index 23e42c2..dd31252 100644
--- a/Db.php
+++ b/Db.php
@@ -14,7 +14,6 @@ use Database\Affair\Commit;
 use Database\Affair\Rollback;
 use Database\Traits\QueryTrait;
 use Exception;
-use Kiri\Abstracts\Config;
 use Kiri\Di\Context;
 use Kiri\Events\EventDispatch;
 use Kiri\Exception\ConfigException;
@@ -377,7 +376,7 @@ class Db implements ISqlBuilder
 		if ($connection instanceof Connection) {
 			return $connection;
 		}
-		$databases = Config::get('databases.connections', []);
+		$databases = \config('databases.connections', []);
 		if (empty($databases) || !is_array($databases)) {
 			throw new Exception('Please configure the database link.');
 		}