diff --git a/app/Models/CommonModel.php b/app/Models/CommonModel.php
index 23f8fd5..6e729ee 100644
--- a/app/Models/CommonModel.php
+++ b/app/Models/CommonModel.php
@@ -49,7 +49,6 @@ abstract class CommonModel extends Model
     {
         parent::__construct();
         $this->setFields($fields);
-        $this->setRules($this->getFields());
     }
     abstract public function getTitleField(): string;
 
@@ -69,6 +68,7 @@ abstract class CommonModel extends Model
     final public function setFields(array $fields): void
     {
         $this->allowedFields = $fields;
+        $this->setRules($this->allowedFields);
     }
     final public function getRules(array $options): array //options=>except or only
     {
diff --git a/app/Models/Mangboard/BoardModel.php b/app/Models/Mangboard/BoardModel.php
index d79e123..7aaffa1 100644
--- a/app/Models/Mangboard/BoardModel.php
+++ b/app/Models/Mangboard/BoardModel.php
@@ -58,6 +58,7 @@ abstract class BoardModel extends CommonModel
         $entity = $this->create_process($entity);
         //GID값이 PK랑 같은 값 전달 후 Entity 수정
         $entity->gid = $entity->getPK();
+        $this->setFields(["gid"]);
         return $this->modify_process($entity);
     }
 
diff --git a/app/Models/Mangboard/UserModel.php b/app/Models/Mangboard/UserModel.php
index 63586ca..6eb779c 100644
--- a/app/Models/Mangboard/UserModel.php
+++ b/app/Models/Mangboard/UserModel.php
@@ -61,6 +61,7 @@ class UserModel extends CommonModel
         $entity = $this->create_process($entity);
         //GID값이 PK랑 같은 값 전달 후 Entity 수정
         $entity->gid = $entity->getPK();
+        $this->setFields(["gid"]);
         return $this->modify_process($entity);
     }