diff --git a/modules/board/board.view.php b/modules/board/board.view.php
index 198a3eb1e..6d16a7fd5 100644
--- a/modules/board/board.view.php
+++ b/modules/board/board.view.php
@@ -776,7 +776,7 @@ class boardView extends board
 				foreach($normal_category_list as $category_srl => $category)
 				{
 					$is_granted = TRUE;
-					if($category->group_srls)
+					if(isset($category->group_srls) && $category->group_srls)
 					{
 						$category_group_srls = explode(',',$category->group_srls);
 						$is_granted = FALSE;
@@ -814,12 +814,12 @@ class boardView extends board
 
 		$member_info = MemberModel::getMemberInfo($oDocument->get('member_srl'));
 
-		if($oDocument->get('module_srl') == $oDocument->get('member_srl')) $savedDoc = TRUE;
+		$savedDoc = ($oDocument->get('module_srl') == $oDocument->get('member_srl'));
 		$oDocument->add('module_srl', $this->module_srl);
 
 		if($oDocument->isExists())
 		{
-			if($this->module_info->protect_document_regdate > 0 && $this->grant->manager == false)
+			if(($this->module_info->protect_document_regdate ?? 0) > 0 && $this->grant->manager == false)
 			{
 				if($oDocument->get('regdate') < date('YmdHis', strtotime('-'.$this->module_info->protect_document_regdate.' day')))
 				{
@@ -828,7 +828,7 @@ class boardView extends board
 					throw new Rhymix\Framework\Exception($massage);
 				}
 			}
-			if($this->module_info->protect_content == "Y" || $this->module_info->protect_update_content == 'Y')
+			if(($this->module_info->protect_content ?? 'N') === 'Y' || ($this->module_info->protect_update_content ?? 'N') == 'Y')
 			{
 				if($oDocument->get('comment_count') > 0 && $this->grant->manager == false)
 				{
diff --git a/modules/board/skins/xedition/write_form.html b/modules/board/skins/xedition/write_form.html
index b5e7ea15e..645e59710 100644
--- a/modules/board/skins/xedition/write_form.html
+++ b/modules/board/skins/xedition/write_form.html
@@ -71,12 +71,12 @@
 				<label for="tags" class="iLabel">{$lang->tag}: {$lang->about_tag}</label>
 				<input type="text" name="tags" id="tags" value="{htmlspecialchars($oDocument->get('tags'))}" class="iText" style="width:300px" title="Tag" />
 			</span>
-			<span class="item" cond="$oDocument->get('document_srl') && $module_info->update_log == 'Y'">
+			<span class="item" cond="$oDocument->get('document_srl') && isset($module_info->update_log) && $module_info->update_log == 'Y'">
 				<label for="reason_update" class="iLabel">{$lang->reason_update}</label>
 				<input type="text" name="reason_update" id="reason_update" value="" class="iText" style="width:300px" title="reason update" />
 			</span>
 		</div>
-		<div class="write_captcha" cond="$captcha">
+		<div class="write_captcha" cond="isset($captcha) && $captcha">
 			{$captcha}
 		</div>
 		<div style="float:right">