diff --git a/src/sammo/Validator.php b/src/sammo/Validator.php
index 977cb3bc..800cc8d0 100644
--- a/src/sammo/Validator.php
+++ b/src/sammo/Validator.php
@@ -1,6 +1,9 @@
 <?php
 namespace sammo;
 
+/**
+ * @method \sammo\Validator rule(string, array<string>|string, null|int|string|array<int|string> $option=null)
+ */
 class Validator extends \Valitron\Validator
 {
     protected static $_lang = 'ko';
diff --git a/vendor/sergeytsalkov/meekrodb/db.class.php b/vendor/sergeytsalkov/meekrodb/db.class.php
index e63d9669..75dfd90c 100644
--- a/vendor/sergeytsalkov/meekrodb/db.class.php
+++ b/vendor/sergeytsalkov/meekrodb/db.class.php
@@ -125,13 +125,16 @@ class MeekroDB {
   public $param_char = '%';
   public $named_param_seperator = '_';
   public $success_handler = false;
+  /** @var callable|bool */
   public $error_handler = true;
   public $throw_exception_on_error = false;
+  /** @var callable|null */
   public $nonsql_error_handler = null;
   public $throw_exception_on_nonsql_error = false;
   public $nested_transactions = false;
   public $usenull = true;
   public $ssl = array('key' => '', 'cert' => '', 'ca_cert' => '', 'ca_path' => '', 'cipher' => '');
+  /** @var array<int,int|float|string|bool> */
   public $connect_options = array(MYSQLI_OPT_CONNECT_TIMEOUT => 30);
   
   // internal