diff --git a/layouts/xedition/layout.html b/layouts/xedition/layout.html
index 7892e5502..b6de9c378 100644
--- a/layouts/xedition/layout.html
+++ b/layouts/xedition/layout.html
@@ -209,7 +209,7 @@
 						<a href="#" title="{$lang->cmd_search}"><i class="xi-magnifier"></i><span class="blind">{$lang->cmd_search}</span></a>
 					</li>
 					<!-- admin -->
-					<li cond="$logged_info->is_admin == 'Y'">
+					<li cond="$logged_info && $logged_info->is_admin == 'Y'">
 						<a href="{getUrl('', 'module', 'admin')}" target="_blank" title="{$lang->cmd_management}"><i class="xi-cog"></i><span class="blind">{$lang->cmd_management}</span></a>
 					</li>
 					<!-- login -->
diff --git a/modules/spamfilter/spamfilter.model.php b/modules/spamfilter/spamfilter.model.php
index 379cf776c..32655e094 100644
--- a/modules/spamfilter/spamfilter.model.php
+++ b/modules/spamfilter/spamfilter.model.php
@@ -222,11 +222,11 @@ class SpamfilterModel extends Spamfilter
 		{
 			return false;
 		}
-		if ($user->is_admin === 'Y')
+		if ($user && $user->is_admin === 'Y')
 		{
 			return false;
 		}
-		if ($config->captcha->target_users !== 'everyone' && $user->member_srl)
+		if ($config->captcha->target_users !== 'everyone' && $user && $user->member_srl)
 		{
 			return false;
 		}
diff --git a/widgets/login_info/skins/ncenter_login/login_form.html b/widgets/login_info/skins/ncenter_login/login_form.html
index cd134aa97..39bb96622 100644
--- a/widgets/login_info/skins/ncenter_login/login_form.html
+++ b/widgets/login_info/skins/ncenter_login/login_form.html
@@ -5,7 +5,7 @@
 	<ul class="nc_memu guest">
 		<li class="nc_profile fLeft">
 			<block cond="$useProfileImage">
-				<img cond="!$profileImage" src="{Context::getRequestUri()}modules/ncenterlite/skins/default/img/p.png" alt="my profile" class="nc_profile_img" />
+				<img cond="empty($profileImage)" src="{Context::getRequestUri()}modules/ncenterlite/skins/default/img/p.png" alt="my profile" class="nc_profile_img" />
 			</block>
 			<strong>손님</strong>
 		</li>