diff --git a/kiri-engine/Pool/PoolQueue.php b/kiri-engine/Pool/PoolQueue.php
index c0be03b3..6e67ef24 100644
--- a/kiri-engine/Pool/PoolQueue.php
+++ b/kiri-engine/Pool/PoolQueue.php
@@ -16,11 +16,11 @@ class PoolQueue implements QueueInterface
 	 */
 	public function __construct(public int $max)
 	{
-//		if (Context::inCoroutine()) {
+		if (Context::inCoroutine()) {
 			$this->queue = new Channel($this->max);
-//		} else {
-//			$this->queue = new SplQueue($this->max);
-//		}
+		} else {
+			$this->queue = new SplQueue($this->max);
+		}
 	}