diff --git a/Command.php b/Command.php
index 3644b43..3a19da5 100644
--- a/Command.php
+++ b/Command.php
@@ -208,7 +208,7 @@ class Command extends Component
 	}
 
 	/**
-	 * @return array<PDO, PDOStatement>|bool
+	 * @return array<Mysql\PDO, PDOStatement>|bool
 	 * @throws Exception
 	 */
 	private function search(): bool|array
diff --git a/Connection.php b/Connection.php
index 8e6eac4..24a80e0 100644
--- a/Connection.php
+++ b/Connection.php
@@ -160,7 +160,7 @@ class Connection extends Component
 	}
 
 	/**
-	 * @return PDO
+	 * @return Mysql\PDO
 	 * @throws Exception
 	 */
 	public function getSlaveClient(): Mysql\PDO
diff --git a/Mysql/PDO.php b/Mysql/PDO.php
index a2ef906..6b6d727 100644
--- a/Mysql/PDO.php
+++ b/Mysql/PDO.php
@@ -13,7 +13,7 @@ use Kiri\Server\Abstracts\StatusEnum;
 use Swoole\Timer;
 
 /**
- *
+ * @mixin \PDO
  */
 class PDO implements StopHeartbeatCheck
 {
@@ -89,6 +89,27 @@ class PDO implements StopHeartbeatCheck
 	}
 
 
+	/**
+	 * @param string $name
+	 * @param array $arguments
+	 * @return mixed
+	 */
+	public function __call(string $name, array $arguments)
+	{
+		return $this->_pdo()->{$name}(...$arguments);
+	}
+
+
+	/**
+	 * @param string $sql
+	 * @return PDOStatement|bool
+	 */
+	public function prepare(string $sql): PDOStatement|bool
+	{
+		return $this->_pdo()->prepare($sql);
+	}
+
+
 	/**
 	 *
 	 */