diff --git a/Command.php b/Command.php
index 070e039..89bdfa8 100644
--- a/Command.php
+++ b/Command.php
@@ -81,7 +81,7 @@ class Command extends Component
 	public function one(): ?array
 	{
 		[$pdo, $statement] = $this->search();
-		
+
 		$data = $statement->fetch(PDO::FETCH_ASSOC);
 		
 		$this->db->release($pdo);
@@ -170,7 +170,7 @@ class Command extends Component
 	{
 		$pdo = $this->db->getSlaveClient();
 		try {
-			if (($statement = $pdo->query($this->sql)) === false) {
+			if (($statement = $pdo->prepare($this->sql)) === false) {
 				throw new Exception($pdo->errorInfo()[1]);
 			}
 			foreach ($this->params as $key => $param) {