diff --git a/.gitignore b/.gitignore
index c99264668..0657b720b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,6 @@ cheditor*
 *.key
 g5_tree
 *.sh
+kcho07_rss/
+mobile/skin/board/bach72_mobile/
+skin/board
diff --git a/adm/boardgroup_form.php b/adm/boardgroup_form.php
index ce9f57c15..bc04e4506 100644
--- a/adm/boardgroup_form.php
+++ b/adm/boardgroup_form.php
@@ -7,9 +7,11 @@ auth_check($auth[$sub_menu], 'w');
 if ($is_admin != 'super' && $w == '') alert('최고관리자만 접근 가능합니다.');
 
 $html_title = '게시판그룹';
+$gr_id_attr = '';
+$sound_only = '';
 if ($w == '') {
     $gr_id_attr = 'required';
-    $sound_only = '<strong class="sound_only">필수</strong>';
+    $sound_only = '<strong class="sound_only"> 필수</strong>';
     $gr['gr_use_access'] = 0;
     $html_title .= ' 생성';
 } else if ($w == 'u') {
@@ -53,7 +55,7 @@ include_once('./admin.head.php');
     <tbody>
     <tr>
         <th scope="row"><label for="gr_id">그룹 ID<?php echo $sound_only ?></label></th>
-        <td><input type="text" name="gr_id" value="<?php echo $group['gr_id'] ?>" id="gr_id" class="<?php echo $gr_id_attr ?> alnum_ frm_input" maxlength="10"> 
+        <td><input type="text" name="gr_id" value="<?php echo $group['gr_id'] ?>" id="gr_id" <?php echo $gr_id_attr; ?> class="<?php echo $gr_id_attr; ?> alnum_ frm_input" maxlength="10"> 
             <?php 
             if ($w=='')
                 echo '영문자, 숫자, _ 만 가능 (공백없이)';
diff --git a/head.sub.php b/head.sub.php
index af116e7bb..be0f71956 100644
--- a/head.sub.php
+++ b/head.sub.php
@@ -44,9 +44,15 @@ if (G5_IS_MOBILE) {
 if (defined('G5_IS_ADMIN')) {
     echo '<link rel="stylesheet" href="'.G5_CSS_URL.'/admin.css">'.PHP_EOL;
 } else {
+    // canonical 지정
+    $canonical = '';
+    if ($bo_table && $wr_id) $canonical = 'http://'.$_SERVER["HTTP_HOST"].'/bbs/board.php?bo_table='.$bo_table.'&wr_id='.$wr_id;
+    else $canonical = 'http://'.$_SERVER["HTTP_HOST"].$_SERVER["REQUEST_URI"];
+    echo '<link rel="canonical" href="'.$canonical.'">';
+
     $shop_css = '';
     if (defined('_SHOP_')) $shop_css = '_shop';
-    echo '<link rel="stylesheet" href="'.G5_CSS_URL.'/'.(G5_IS_MOBILE?'mobile':'default').$shop_css.'.css">'.PHP_EOL;
+    echo '<link rel="stylesheet" href="'.G5_CSS_URL.'/'.(G5_IS_MOBILE?'mobile':'default').'.css">'.PHP_EOL;
 }
 echo '<meta http-equiv="imagetoolbar" content="no">';
 echo '<meta http-equiv="X-UA-Compatible" content="IE=Edge">';
diff --git a/plugin/gcaptcha/gcaptcha.lib.php b/plugin/gcaptcha/gcaptcha.lib.php
index f25c26025..efd1d6681 100644
--- a/plugin/gcaptcha/gcaptcha.lib.php
+++ b/plugin/gcaptcha/gcaptcha.lib.php
@@ -184,9 +184,9 @@ function captcha_html($class='captcha')
     $html .= '<fieldset id="captcha" class="'.$class.'">';
     $html .= '<legend class="sound_only">자동등록방지</legend>';
     if (G5_IS_MOBILE) $html .= '<audio src="'.$mp3_file_url.'?_='.$rand.'" controls></audio>';
-    $html .= '<img src="'.$jpg_file_url.'?_='.$rand.'" alt="자동등록방지 숫자">';
+    $html .= '<img src="'.$jpg_file_url.'?_='.$rand.'" alt="">';
     if (!G5_IS_MOBILE) $html .= '<a href="'.$mp3_file_url.'?_='.$rand.'" id="captcha_mp3" target="_blank"><img src="'.G5_GCAPTCHA_URL.'/img/sound.gif" alt="숫자를 음성으로 듣기"></a>';
-    $html .= '<input type="text" id="captcha_key" name="captcha_key" class="captcha_box frm_input" size="6" maxlength="6" required title="자동등록방지 숫자 입력">';
+    $html .= '<label class="sound_only">자동등록방지 숫자 </label><input type="text" name="captcha_key" id="captcha_key" required class="captcha_box frm_input required" size="6" maxlength="6">';
     $html .= '<p class="sound_only">자동등록방지 숫자를 순서대로 입력하세요.</p>';
     $html .= '</fieldset>';
     return $html;