diff --git a/app/Controllers/CommonController.php b/app/Controllers/CommonController.php
index 28abb2e..ae68c49 100644
--- a/app/Controllers/CommonController.php
+++ b/app/Controllers/CommonController.php
@@ -8,6 +8,8 @@ abstract class CommonController extends BaseController
 {
     private $_datas = [];
 
+    protected function __construct() {}
+
     final public function __get($name): array|null
     {
         if (!array_key_exists($name, $this->_datas)) {