diff --git a/src/Exception/PermissionException.php b/src/Exception/PermissionException.php
index a8bf262..859a746 100755
--- a/src/Exception/PermissionException.php
+++ b/src/Exception/PermissionException.php
@@ -11,10 +11,9 @@
  */
 namespace HPlus\Permission\Exception;
 
-use Hyperf\Server\Exception\ServerException;
 use Throwable;
 
-class PermissionException extends ServerException
+class PermissionException extends \Exception
 {
     public function __construct(int $code = 0, string $message = null, Throwable $previous = null)
     {