diff --git a/app/Controllers/CommonController.php b/app/Controllers/CommonController.php
index 466cdbf..7789929 100644
--- a/app/Controllers/CommonController.php
+++ b/app/Controllers/CommonController.php
@@ -225,8 +225,6 @@ abstract class CommonController extends BaseController
     {
         LogCollector::debug($message);
         $this->getMyLogService()->save($this->getService(), __FUNCTION__, $this->getMyAuth(), $message);
-        // echo $this->request->getMethod();
-        // exit;
         if ($this->request->getMethod() === 'POST') {
             return redirect()->back()->withInput()->with('error', $message);
         }
diff --git a/app/Views/admin/create_form.php b/app/Views/admin/create_form.php
index 3eb92d1..d089ec2 100644
--- a/app/Views/admin/create_form.php
+++ b/app/Views/admin/create_form.php
@@ -18,7 +18,7 @@
         <tr>
           <th nowrap class="text-end"><?= $viewDatas['helper']->getFieldLabel($field, $viewDatas) ?></th>
           <td nowrap class="text-start">
-            <?= $viewDatas['helper']->getFieldForm($field, old($field) ?? array_key_exists($field, $viewDatas) ? $viewDatas[$field] : null, $viewDatas) ?>
+            <?= $viewDatas['helper']->getFieldForm($field, old($field) ?? ($viewDatas[$field] ?? null), $viewDatas) ?>
             <span><?= validation_show_error($field); ?></span>
           </td>
         </tr>
diff --git a/app/Views/admin/modify_form.php b/app/Views/admin/modify_form.php
index 1cda426..ed4550c 100644
--- a/app/Views/admin/modify_form.php
+++ b/app/Views/admin/modify_form.php
@@ -18,7 +18,7 @@
         <tr>
           <th nowrap class="text-end"><?= $viewDatas['helper']->getFieldLabel($field, $viewDatas) ?></th>
           <td nowrap class="text-start">
-            <?= $viewDatas['helper']->getFieldForm($field,  old($field) ?? $viewDatas['entity']->$field, $viewDatas) ?>
+            <?= $viewDatas['helper']->getFieldForm($field,  old($field) ?? $viewDatas['entity']->$field ?? null, $viewDatas) ?>
             <div><?= validation_show_error($field); ?></div>
           </td>
         </tr>
diff --git a/app/Views/admin/popup/create_form.php b/app/Views/admin/popup/create_form.php
index 3eb92d1..d089ec2 100644
--- a/app/Views/admin/popup/create_form.php
+++ b/app/Views/admin/popup/create_form.php
@@ -18,7 +18,7 @@
         <tr>
           <th nowrap class="text-end"><?= $viewDatas['helper']->getFieldLabel($field, $viewDatas) ?></th>
           <td nowrap class="text-start">
-            <?= $viewDatas['helper']->getFieldForm($field, old($field) ?? array_key_exists($field, $viewDatas) ? $viewDatas[$field] : null, $viewDatas) ?>
+            <?= $viewDatas['helper']->getFieldForm($field, old($field) ?? ($viewDatas[$field] ?? null), $viewDatas) ?>
             <span><?= validation_show_error($field); ?></span>
           </td>
         </tr>
diff --git a/app/Views/admin/popup/modify_form.php b/app/Views/admin/popup/modify_form.php
index 1cda426..ed4550c 100644
--- a/app/Views/admin/popup/modify_form.php
+++ b/app/Views/admin/popup/modify_form.php
@@ -18,7 +18,7 @@
         <tr>
           <th nowrap class="text-end"><?= $viewDatas['helper']->getFieldLabel($field, $viewDatas) ?></th>
           <td nowrap class="text-start">
-            <?= $viewDatas['helper']->getFieldForm($field,  old($field) ?? $viewDatas['entity']->$field, $viewDatas) ?>
+            <?= $viewDatas['helper']->getFieldForm($field,  old($field) ?? $viewDatas['entity']->$field ?? null, $viewDatas) ?>
             <div><?= validation_show_error($field); ?></div>
           </td>
         </tr>