diff --git a/DatabasesProviders.php b/DatabasesProviders.php
index 526b7a7..376193b 100644
--- a/DatabasesProviders.php
+++ b/DatabasesProviders.php
@@ -14,8 +14,6 @@ use Kiri\Events\EventProvider;
 use Kiri\Annotation\Inject;
 use Kiri\Server\Events\OnWorkerStart;
 use Kiri\Server\Events\OnTaskerStart;
-use Psr\Container\ContainerExceptionInterface;
-use Psr\Container\NotFoundExceptionInterface;
 use Psr\Log\LoggerInterface;
 use Kiri\Server\Events\OnWorkerExit;
 use Swoole\Timer;