diff --git a/System/Abstracts/Pool.php b/System/Abstracts/Pool.php
index 36404c89..56a8f084 100644
--- a/System/Abstracts/Pool.php
+++ b/System/Abstracts/Pool.php
@@ -8,11 +8,8 @@ use Exception;
 
 use HttpServer\Http\Context;
 use JetBrains\PhpStorm\Pure;
-use PDO;
-use Redis;
 use Snowflake\Exception\ComponentException;
 use Snowflake\Exception\ConfigException;
-use Snowflake\Pool\Timeout;
 use Swoole\Coroutine;
 use Swoole\Coroutine\Channel;
 use Swoole\Timer;
@@ -167,7 +164,7 @@ abstract class Pool extends Component
 	 */
 	public function printClients($cds, $coroutineName, $isBefore = false)
 	{
-//		$this->warning(($isBefore ? 'before ' : '') . 'create client[address: ' . $cds . ', ' . env('workerId') . ', coroutine: ' . Coroutine::getCid() . ', has num: ' . $this->size($coroutineName) . ', has create: ' . $this->_create . ']');
+		$this->warning(($isBefore ? 'before ' : '') . 'create client[address: ' . $cds . ', ' . env('worker', 0) . ', coroutine: ' . Coroutine::getCid() . ', has num: ' . $this->size($coroutineName) . ']');
 	}
 
 
@@ -286,8 +283,8 @@ abstract class Pool extends Component
 			unset($client);
 			$this->desc($name);
 		}
-        $this->_items[$name]->close();
-        $this->_items[$name] = null;
+		$this->_items[$name]->close();
+		$this->_items[$name] = null;
 	}