diff --git a/bbs/register_form.php b/bbs/register_form.php
index 998510236..aa45e13a9 100644
--- a/bbs/register_form.php
+++ b/bbs/register_form.php
@@ -143,6 +143,9 @@ $register_action_url = G5_HTTPS_BBS_URL.'/register_form_update.php';
 $req_nick = !isset($member['mb_nick_date']) || (isset($member['mb_nick_date']) && $member['mb_nick_date'] <= date("Y-m-d", G5_SERVER_TIME - ($config['cf_nick_modify'] * 86400)));
 $required = ($w=='') ? 'required' : '';
 $readonly = ($w=='u') ? 'readonly' : '';
+$name_readonly = ($w=='u' || $config['cf_cert_req'])? 'readonly' : '';
+$hp_required = ($config['cf_req_hp'] || ($config['cf_cert_req'] && ($config['cf_cert_hp'] || $config['cf_cert_sa']) && $member['mb_certify'] != "ipin")) ? 'required':'';
+$hp_readonly = ($config['cf_cert_req'] && ($config['cf_cert_hp'] || $config['cf_cert_sa']) && $member['mb_certify'] != "ipin") ? 'readonly':'';
 
 $agree  = isset($_REQUEST['agree']) ? preg_replace('#[^0-9]#', '', $_REQUEST['agree']) : '';
 $agree2 = isset($_REQUEST['agree2']) ? preg_replace('#[^0-9]#', '', $_REQUEST['agree2']) : '';
diff --git a/mobile/skin/member/basic/register_form.skin.php b/mobile/skin/member/basic/register_form.skin.php
index 38803d92c..730140c9b 100644
--- a/mobile/skin/member/basic/register_form.skin.php
+++ b/mobile/skin/member/basic/register_form.skin.php
@@ -83,7 +83,7 @@ if ($config['cf_cert_use'] && ($config['cf_cert_sa'] || $config['cf_cert_ipin']
             </li>
 	        <li class="rgs_name_li">
 	            <label for="reg_mb_name" class="sound_only">이름<strong>필수</strong></label>
-	            <input type="text" id="reg_mb_name" name="mb_name" value="<?php echo get_text($member['mb_name']) ?>" <?php echo $required ?> <?php echo $readonly; ?> class="frm_input full_input <?php echo $required ?> <?php echo $readonly ?>" placeholder="이름">
+	            <input type="text" id="reg_mb_name" name="mb_name" value="<?php echo get_text($member['mb_name']) ?>" <?php echo $required ?> <?php echo $name_readonly; ?> class="frm_input full_input <?php echo $required ?> <?php echo $name_readonly ?>" placeholder="이름">
 
 	        </li>
 	        <?php if ($req_nick) { ?>
@@ -128,8 +128,9 @@ if ($config['cf_cert_use'] && ($config['cf_cert_sa'] || $config['cf_cert_ipin']
 	
 	        <?php if ($config['cf_use_hp'] || ($config["cf_cert_use"] && ($config['cf_cert_hp'] || $config['cf_cert_sa']))) {  ?>
 	        <li>
-	            <label for="reg_mb_hp" class="sound_only">휴대폰번호<?php if ($config['cf_req_hp']) { ?><strong>필수</strong><?php } ?></label>
-	            <input type="text" name="mb_hp" value="<?php echo get_text($member['mb_hp']) ?>" id="reg_mb_hp" <?php echo ($config['cf_req_hp'] || (($config['cf_cert_use'] <> 0 && ($config['cf_cert_hp'] || $config['cf_cert_sa'])) &&(!empty($member['mb_certify']) && $member['mb_certify'] != "ipin")))?"required":""; ?> class="frm_input full_input <?php echo ($config['cf_req_hp'] || (($config['cf_cert_use'] <> 0 && ($config['cf_cert_hp'] || $config['cf_cert_sa'])) && (!empty($member['mb_certify']) && $member['mb_certify'] != "ipin")))?"required":""; ?>" <?php if ($config['cf_cert_use'] <> 0 && ($config['cf_cert_hp'] || $config['cf_cert_sa']) && (!empty($member['mb_certify']) && $member['mb_certify'] != "ipin")) echo "readonly"; ?> maxlength="20" placeholder="휴대폰번호">
+                <label for="reg_mb_hp">휴대폰번호<?php if (!empty($hp_required)) { ?><strong class="sound_only">필수</strong><?php } ?></label>
+	                
+                <input type="text" name="mb_hp" value="<?php echo get_text($member['mb_hp']) ?>" id="reg_mb_hp" <?php echo $hp_required; ?> <?php echo $hp_readonly; ?> class="frm_input full_input <?php echo $hp_required; ?> <?php echo $hp_readonly; ?>" maxlength="20" placeholder="휴대폰번호">
 	            <?php if ($config['cf_cert_use'] && ($config['cf_cert_hp'] || $config['cf_cert_sa'])) { ?>
 	            <input type="hidden" name="old_mb_hp" value="<?php echo get_text($member['mb_hp']) ?>">
 	            <?php } ?>
diff --git a/skin/member/basic/register_form.skin.php b/skin/member/basic/register_form.skin.php
index 183b47186..c6b0dcfea 100644
--- a/skin/member/basic/register_form.skin.php
+++ b/skin/member/basic/register_form.skin.php
@@ -89,7 +89,7 @@ if ($config['cf_cert_use'] && ($config['cf_cert_sa'] || $config['cf_cert_ipin']
 				</li>
 	            <li>
 	                <label for="reg_mb_name">이름<strong class="sound_only">필수</strong></label>
-	                <input type="text" id="reg_mb_name" name="mb_name" value="<?php echo get_text($member['mb_name']) ?>" <?php echo $required ?> <?php echo $readonly; ?> class="frm_input full_input <?php echo $required ?> <?php echo $readonly ?>" size="10" placeholder="이름">
+	                <input type="text" id="reg_mb_name" name="mb_name" value="<?php echo get_text($member['mb_name']) ?>" <?php echo $required ?> <?php echo $name_readonly; ?> class="frm_input full_input <?php echo $required ?> <?php echo $name_readonly ?>" size="10" placeholder="이름">
 	            </li>
 	            <?php if ($req_nick) {  ?>
 	            <li>
@@ -137,9 +137,9 @@ if ($config['cf_cert_use'] && ($config['cf_cert_sa'] || $config['cf_cert_ipin']
 				</li>
 				<li>
 	            <?php if ($config['cf_use_hp'] || ($config["cf_cert_use"] && ($config['cf_cert_hp'] || $config['cf_cert_sa']))) {  ?>
-	                <label for="reg_mb_hp">휴대폰번호<?php if ($config['cf_req_hp']) { ?><strong class="sound_only">필수</strong><?php } ?></label>
+	                <label for="reg_mb_hp">휴대폰번호<?php if (!empty($hp_required)) { ?><strong class="sound_only">필수</strong><?php } ?></label>
 	                
-	                <input type="text" name="mb_hp" value="<?php echo get_text($member['mb_hp']) ?>" id="reg_mb_hp" <?php echo ($config['cf_req_hp'] || (($config['cf_cert_use'] <> 0 && ($config['cf_cert_hp'] || $config['cf_cert_sa'])) &&(!empty($member['mb_certify']) && $member['mb_certify'] != "ipin")))?"required":""; ?> class="frm_input full_input <?php echo ($config['cf_req_hp'] || (($config['cf_cert_use'] <> 0 && ($config['cf_cert_hp'] || $config['cf_cert_sa'])) && (!empty($member['mb_certify']) && $member['mb_certify'] != "ipin")))?"required":""; ?>" <?php if ($config['cf_cert_use'] <> 0 && ($config['cf_cert_hp'] || $config['cf_cert_sa']) && (!empty($member['mb_certify']) && $member['mb_certify'] != "ipin")) echo "readonly"; ?> maxlength="20" placeholder="휴대폰번호">
+	                <input type="text" name="mb_hp" value="<?php echo get_text($member['mb_hp']) ?>" id="reg_mb_hp" <?php echo $hp_required; ?> <?php echo $hp_readonly; ?> class="frm_input full_input <?php echo $hp_required; ?> <?php echo $hp_readonly; ?>" maxlength="20" placeholder="휴대폰번호">
 	                <?php if ($config['cf_cert_use'] && ($config['cf_cert_hp'] || $config['cf_cert_sa'])) { ?>
 	                <input type="hidden" name="old_mb_hp" value="<?php echo get_text($member['mb_hp']) ?>">
 	                <?php } ?>
@@ -306,7 +306,7 @@ $(function() {
 	var type = "";    
     var params = "";
     var request_url = "";
-	
+
 	$(".win_sa_cert").click(function() {
 		if(!cert_confirm()) return false;
 		type = $(this).data("type");
diff --git a/theme/basic/mobile/skin/member/basic/register_form.skin.php b/theme/basic/mobile/skin/member/basic/register_form.skin.php
index a27ece302..193d9be45 100644
--- a/theme/basic/mobile/skin/member/basic/register_form.skin.php
+++ b/theme/basic/mobile/skin/member/basic/register_form.skin.php
@@ -83,7 +83,7 @@ if ($config['cf_cert_use'] && ($config['cf_cert_sa'] || $config['cf_cert_ipin']
             </li>
 	        <li class="rgs_name_li">
 	            <label for="reg_mb_name" class="sound_only">이름<strong>필수</strong></label>
-	            <input type="text" id="reg_mb_name" name="mb_name" value="<?php echo get_text($member['mb_name']) ?>" <?php echo $required ?> <?php echo $readonly; ?> class="frm_input full_input <?php echo $required ?> <?php echo $readonly ?>" placeholder="이름">
+	            <input type="text" id="reg_mb_name" name="mb_name" value="<?php echo get_text($member['mb_name']) ?>" <?php echo $required ?> <?php echo $name_readonly; ?> class="frm_input full_input <?php echo $required ?> <?php echo $name_readonly ?>" placeholder="이름">
 	        </li>
 	        <?php if ($req_nick) { ?>
 	        <li>
@@ -127,9 +127,9 @@ if ($config['cf_cert_use'] && ($config['cf_cert_sa'] || $config['cf_cert_ipin']
 	
 	        <?php if ($config['cf_use_hp'] || ($config["cf_cert_use"] && ($config['cf_cert_hp'] || $config['cf_cert_sa']))) {  ?>
 	        <li>
-	            <label for="reg_mb_hp" class="sound_only">휴대폰번호<?php if ($config['cf_req_hp']) { ?><strong>필수</strong><?php } ?></label>
-	            
-	            <input type="text" name="mb_hp" value="<?php echo get_text($member['mb_hp']) ?>" id="reg_mb_hp" <?php echo ($config['cf_req_hp'] || (($config['cf_cert_use'] <> 0 && ($config['cf_cert_hp'] || $config['cf_cert_sa'])) &&(!empty($member['mb_certify']) && $member['mb_certify'] != "ipin")))?"required":""; ?> class="frm_input full_input <?php echo ($config['cf_req_hp'] || (($config['cf_cert_use'] <> 0 && ($config['cf_cert_hp'] || $config['cf_cert_sa'])) && (!empty($member['mb_certify']) && $member['mb_certify'] != "ipin")))?"required":""; ?>" <?php if ($config['cf_cert_use'] <> 0 && ($config['cf_cert_hp'] || $config['cf_cert_sa']) && (!empty($member['mb_certify']) && $member['mb_certify'] != "ipin")) echo "readonly"; ?> maxlength="20" placeholder="휴대폰번호">
+                <label for="reg_mb_hp">휴대폰번호<?php if (!empty($hp_required)) { ?><strong class="sound_only">필수</strong><?php } ?></label>
+	                
+	            <input type="text" name="mb_hp" value="<?php echo get_text($member['mb_hp']) ?>" id="reg_mb_hp" <?php echo $hp_required; ?> <?php echo $hp_readonly; ?> class="frm_input full_input <?php echo $hp_required; ?> <?php echo $hp_readonly; ?>" maxlength="20" placeholder="휴대폰번호">
 	            <?php if ($config['cf_cert_use'] && ($config['cf_cert_hp'] || $config['cf_cert_sa'])) { ?>
 	            <input type="hidden" name="old_mb_hp" value="<?php echo get_text($member['mb_hp']) ?>">
 	            <?php } ?>
@@ -293,7 +293,7 @@ if ($config['cf_cert_use'] && ($config['cf_cert_sa'] || $config['cf_cert_ipin']
         var type = "";    
         var params = "";
         var request_url = "";
-        
+
         $(".win_sa_cert").click(function() {
             if(!cert_confirm()) return false;
             type = $(this).data("type");
diff --git a/theme/basic/skin/member/basic/register_form.skin.php b/theme/basic/skin/member/basic/register_form.skin.php
index 183b47186..ffbecc27c 100644
--- a/theme/basic/skin/member/basic/register_form.skin.php
+++ b/theme/basic/skin/member/basic/register_form.skin.php
@@ -89,7 +89,7 @@ if ($config['cf_cert_use'] && ($config['cf_cert_sa'] || $config['cf_cert_ipin']
 				</li>
 	            <li>
 	                <label for="reg_mb_name">이름<strong class="sound_only">필수</strong></label>
-	                <input type="text" id="reg_mb_name" name="mb_name" value="<?php echo get_text($member['mb_name']) ?>" <?php echo $required ?> <?php echo $readonly; ?> class="frm_input full_input <?php echo $required ?> <?php echo $readonly ?>" size="10" placeholder="이름">
+	                <input type="text" id="reg_mb_name" name="mb_name" value="<?php echo get_text($member['mb_name']) ?>" <?php echo $required ?> <?php echo $readonly; ?> class="frm_input full_input <?php echo $required ?> <?php echo $name_readonly ?>" size="10" placeholder="이름">
 	            </li>
 	            <?php if ($req_nick) {  ?>
 	            <li>
@@ -137,9 +137,9 @@ if ($config['cf_cert_use'] && ($config['cf_cert_sa'] || $config['cf_cert_ipin']
 				</li>
 				<li>
 	            <?php if ($config['cf_use_hp'] || ($config["cf_cert_use"] && ($config['cf_cert_hp'] || $config['cf_cert_sa']))) {  ?>
-	                <label for="reg_mb_hp">휴대폰번호<?php if ($config['cf_req_hp']) { ?><strong class="sound_only">필수</strong><?php } ?></label>
+	                <label for="reg_mb_hp">휴대폰번호<?php if (!empty($hp_required)) { ?><strong class="sound_only">필수</strong><?php } ?></label>
 	                
-	                <input type="text" name="mb_hp" value="<?php echo get_text($member['mb_hp']) ?>" id="reg_mb_hp" <?php echo ($config['cf_req_hp'] || (($config['cf_cert_use'] <> 0 && ($config['cf_cert_hp'] || $config['cf_cert_sa'])) &&(!empty($member['mb_certify']) && $member['mb_certify'] != "ipin")))?"required":""; ?> class="frm_input full_input <?php echo ($config['cf_req_hp'] || (($config['cf_cert_use'] <> 0 && ($config['cf_cert_hp'] || $config['cf_cert_sa'])) && (!empty($member['mb_certify']) && $member['mb_certify'] != "ipin")))?"required":""; ?>" <?php if ($config['cf_cert_use'] <> 0 && ($config['cf_cert_hp'] || $config['cf_cert_sa']) && (!empty($member['mb_certify']) && $member['mb_certify'] != "ipin")) echo "readonly"; ?> maxlength="20" placeholder="휴대폰번호">
+	                <input type="text" name="mb_hp" value="<?php echo get_text($member['mb_hp']) ?>" id="reg_mb_hp" <?php echo $hp_required; ?> <?php echo $hp_readonly; ?> class="frm_input full_input <?php echo $hp_required; ?> <?php echo $hp_readonly; ?>" maxlength="20" placeholder="휴대폰번호">
 	                <?php if ($config['cf_cert_use'] && ($config['cf_cert_hp'] || $config['cf_cert_sa'])) { ?>
 	                <input type="hidden" name="old_mb_hp" value="<?php echo get_text($member['mb_hp']) ?>">
 	                <?php } ?>
@@ -306,7 +306,7 @@ $(function() {
 	var type = "";    
     var params = "";
     var request_url = "";
-	
+
 	$(".win_sa_cert").click(function() {
 		if(!cert_confirm()) return false;
 		type = $(this).data("type");