diff --git a/kiri-engine/Pool/Connection.php b/kiri-engine/Pool/Connection.php
index 913167ad..3c50f678 100644
--- a/kiri-engine/Pool/Connection.php
+++ b/kiri-engine/Pool/Connection.php
@@ -57,7 +57,10 @@ class Connection extends Component
 	 */
 	public function beginTransaction($coroutineName)
 	{
-		$connection = Context::getContext($coroutineName);
+		$connection = Context::getContext($coroutineName['cds']);
+		if (is_null($connection)) {
+			$connection = $this->get($coroutineName);
+		}
 		if ($connection instanceof PDO) {
 			$connection->beginTransaction();
 		}