diff --git a/bbs/register_email.php b/bbs/register_email.php
index 4345d4eea..e7fc92537 100644
--- a/bbs/register_email.php
+++ b/bbs/register_email.php
@@ -2,27 +2,28 @@
 include_once('./_common.php');
 include_once(G5_CAPTCHA_PATH.'/captcha.lib.php');
 
+$g5['title'] = '메일인증 메일주소 변경';
+include_once('./_head.php');
+
+$mb_id = substr(clean_xss_tags($_GET['mb_id']), 0, 20);
 $sql = " select mb_email, mb_datetime, mb_email_certify from {$g5['member_table']} where mb_id = '{$mb_id}' ";
 $mb = sql_fetch($sql);
 if (substr($mb['mb_email_certify'],0,1)!=0) {
     alert("이미 메일인증 하신 회원입니다.", G5_URL);
 }
-
-$g5['title'] = '메일인증 메일주소 변경';
-include_once('./_head.php');
 ?>
 
-<p>메일인증을 받지 못한 경우 회원정보의 메일주소를 변경 할 수 있습니다.</p>
+<p class="rg_em_p">메일인증을 받지 못한 경우 회원정보의 메일주소를 변경 할 수 있습니다.</p>
 
 <form method="post" name="fregister_email" action="<?php echo G5_HTTPS_BBS_URL.'/register_email_update.php'; ?>" onsubmit="return fregister_email_submit(this);">
 <input type="hidden" name="mb_id" value="<?php echo $mb_id; ?>">
 
-<div class="tbl_frm01 tbl_frm">
+<div class="tbl_frm01 tbl_frm rg_em">
     <table>
     <caption>사이트 이용정보 입력</caption>
     <tr>
         <th scope="row"><label for="reg_mb_email">E-mail<strong class="sound_only">필수</strong></label></th>
-        <td><input type="text" name="mb_email" id="reg_mb_email" required class="frm_input email required" size="50" maxlength="100" value="<?php echo $mb['mb_email']; ?>"></td>
+        <td><input type="text" name="mb_email" id="reg_mb_email" required class="frm_input email required" size="30" maxlength="100" value="<?php echo $mb['mb_email']; ?>"></td>
     </tr>
     <tr>
         <th scope="row">자동등록방지</th>
diff --git a/bbs/register_email_update.php b/bbs/register_email_update.php
index 3ae7b006f..36fe66f8f 100644
--- a/bbs/register_email_update.php
+++ b/bbs/register_email_update.php
@@ -8,7 +8,7 @@ $mb_email = trim($_POST['mb_email']);
 
 $sql = " select mb_name, mb_datetime from {$g5['member_table']} where mb_id = '{$mb_id}' and mb_email_certify <> '' ";
 $mb = sql_fetch($sql);
-if (!$mb) {
+if ($mb) {
     alert("이미 메일인증 하신 회원입니다.", G5_URL);
 }
 
diff --git a/css/default.css b/css/default.css
index 881d14f6b..240c04076 100644
--- a/css/default.css
+++ b/css/default.css
@@ -279,4 +279,8 @@ a.btn_admin:focus, a.btn_admin:hover {text-decoration:none}
 .pg_current {display:inline-block;margin:0 4px 0 0;background:#333;color:#fff;font-weight:normal}
 
 /* Mobile화면으로 */
-#device_change {display:block;margin:0.3em;padding:0.5em 0;border:1px solid #eee;border-radius:2em;background:#fff;color:#000;font-size:2em;text-decoration:none;text-align:center}
\ No newline at end of file
+#device_change {display:block;margin:0.3em;padding:0.5em 0;border:1px solid #eee;border-radius:2em;background:#fff;color:#000;font-size:2em;text-decoration:none;text-align:center}
+
+/*메일인증*/
+.rg_em{margin-top:5px}
+.rg_em caption{padding:0;font-size:0;line-height:0;overflow:hidden}
diff --git a/css/mobile.css b/css/mobile.css
index 412491a4e..6316c221e 100644
--- a/css/mobile.css
+++ b/css/mobile.css
@@ -247,4 +247,10 @@ a.btn_admin:focus, a.btn_admin:hover {text-decoration:none}
 .pg_current {display:inline-block;margin:0 4px 0 0;background:#333;color:#fff;font-weight:normal}
 
 /* PC화면으로 */
-#device_change {display:block;margin:5px;padding:5px 0;border:1px solid #eee;border-radius:2em;color:#000;font-size:1em;text-decoration:none;text-align:center}
+#device_change {display:block;margin:5px;padding:5px 0;border:1px solid #eee;border-radius:2em;color:#000;font-size:1em;text-decoration:none;text-align:center}
+
+/*메일인증*/
+.rg_em_p{padding:0 5px}
+.rg_em{margin:5px 5px 10px;}
+.rg_em table{width:100%;border-collapse:collapse}
+.rg_em caption{padding:0;font-size:0;line-height:0;overflow:hidden}
\ No newline at end of file
diff --git a/mobile/skin/board/basic/view.skin.php b/mobile/skin/board/basic/view.skin.php
index b1775bd1b..1b8ba0c93 100644
--- a/mobile/skin/board/basic/view.skin.php
+++ b/mobile/skin/board/basic/view.skin.php
@@ -65,8 +65,8 @@ add_stylesheet('<link rel="stylesheet" href="'.$board_skin_url.'/style.css">', 0
     <?php } ?>
 
     <?php
-    if (implode('', $view['link'])) {
-     ?>
+    if ($view['link']) {
+    ?>
     <section id="bo_v_link">
         <h2>관련링크</h2>
         <ul>
diff --git a/mobile/skin/board/gallery/view.skin.php b/mobile/skin/board/gallery/view.skin.php
index 6657cf5be..7b7e369ab 100644
--- a/mobile/skin/board/gallery/view.skin.php
+++ b/mobile/skin/board/gallery/view.skin.php
@@ -65,8 +65,8 @@ add_stylesheet('<link rel="stylesheet" href="'.$board_skin_url.'/style.css">', 0
     <?php } ?>
 
     <?php
-    if (implode('', $view['link'])) {
-     ?>
+    if ($view['link']) {
+    ?>
     <section id="bo_v_link">
         <h2>관련링크</h2>
         <ul>
diff --git a/skin/board/basic/view.skin.php b/skin/board/basic/view.skin.php
index d49275ec5..22efc3c16 100644
--- a/skin/board/basic/view.skin.php
+++ b/skin/board/basic/view.skin.php
@@ -68,8 +68,8 @@ add_stylesheet('<link rel="stylesheet" href="'.$board_skin_url.'/style.css">', 0
     <?php } ?>
 
     <?php
-    if (implode('', $view['link'])) {
-     ?>
+    if ($view['link']) {
+    ?>
      <!-- 관련링크 시작 { -->
     <section id="bo_v_link">
         <h2>관련링크</h2>
diff --git a/skin/board/gallery/view.skin.php b/skin/board/gallery/view.skin.php
index d49275ec5..22efc3c16 100644
--- a/skin/board/gallery/view.skin.php
+++ b/skin/board/gallery/view.skin.php
@@ -68,8 +68,8 @@ add_stylesheet('<link rel="stylesheet" href="'.$board_skin_url.'/style.css">', 0
     <?php } ?>
 
     <?php
-    if (implode('', $view['link'])) {
-     ?>
+    if ($view['link']) {
+    ?>
      <!-- 관련링크 시작 { -->
     <section id="bo_v_link">
         <h2>관련링크</h2>