diff --git a/Database/Command.php b/Database/Command.php
index b083f69b..89fb933f 100644
--- a/Database/Command.php
+++ b/Database/Command.php
@@ -14,6 +14,7 @@ use Snowflake\Abstracts\Component;
 use Exception;
 use PDO;
 use PDOStatement;
+use Snowflake\Core\Json;
 use Snowflake\Exception\ComponentException;
 
 /**
@@ -150,7 +151,7 @@ class Command extends Component
 		$export['param'] = $this->params;
 		$export['time'] = microtime(true) - $time;
 
-		logger()->debug(print_r($export, true), 'mysql');
+		logger()->debug(Json::encode($export), 'mysql');
 
 		return $result;
 	}
diff --git a/Database/Mysql/Schema.php b/Database/Mysql/Schema.php
index a1b82fd9..3fea5aab 100644
--- a/Database/Mysql/Schema.php
+++ b/Database/Mysql/Schema.php
@@ -3,6 +3,7 @@ declare(strict_types=1);
 namespace Database\Mysql;
 
 
+use Exception;
 use Snowflake\Abstracts\Component;
 use Database\Connection;
 
@@ -22,6 +23,7 @@ class Schema extends Component
 
 	/**
 	 * @return Columns|null
+	 * @throws Exception
 	 */
 	public function getColumns(): ?Columns
 	{