diff --git a/kiri-engine/Error/ErrorHandler.php b/kiri-engine/Error/ErrorHandler.php
index 710c2d14..7b92edeb 100644
--- a/kiri-engine/Error/ErrorHandler.php
+++ b/kiri-engine/Error/ErrorHandler.php
@@ -11,17 +11,12 @@ namespace Kiri\Error;
 
 use Closure;
 use ErrorException;
-use Exception;
 use Kiri\Abstracts\Component;
-use Psr\Container\ContainerInterface;
-use Kiri\Di\Inject\Container;
-use ReflectionException;
 use Kiri\Events\OnSystemError;
 use Throwable;
 
 /**
  * Class ErrorHandler
- * hahahah
  * @package Kiri\Base
  * @property-read $asError
  */
diff --git a/kiri-engine/Error/StdoutLogger.php b/kiri-engine/Error/StdoutLogger.php
index 5257ad0a..bf6aeb7a 100644
--- a/kiri-engine/Error/StdoutLogger.php
+++ b/kiri-engine/Error/StdoutLogger.php
@@ -9,7 +9,6 @@ use Monolog\Formatter\LineFormatter;
 use Monolog\Handler\RotatingFileHandler;
 use Monolog\Logger;
 use Psr\Log\LoggerInterface;
-use ReflectionException;
 
 
 /**
diff --git a/kiri-engine/Redis/Redis.php b/kiri-engine/Redis/Redis.php
index 8df51c40..e1b5376b 100644
--- a/kiri-engine/Redis/Redis.php
+++ b/kiri-engine/Redis/Redis.php
@@ -9,12 +9,9 @@ declare(strict_types=1);
 
 namespace Kiri\Redis;
 
-use Exception;
 use Kiri;
 use Kiri\Exception\RedisConnectException;
 use Kiri\Pool\Pool;
-use RedisException;
-use wchat\common\Result;
 use function config;
 
 /**