diff --git a/head.sub.php b/head.sub.php
index 50917e9f7..7609d275b 100644
--- a/head.sub.php
+++ b/head.sub.php
@@ -81,7 +81,6 @@ if ($is_admin) {
 <script src="<?php echo G5_JS_URL ?>/wrest.js"></script>
 <?php
 if(G5_IS_MOBILE) {
-    echo '<script> set_cookie("device_width", $(window).width(), 6, g5_cookie_domain); </script>'.PHP_EOL;
     echo '<script src="'.G5_JS_URL.'/modernizr.custom.70111.js"></script>'.PHP_EOL; // overflow scroll 감지
 }
 //if(!defined('G5_IS_ADMIN'))
diff --git a/js/viewimageresize.js b/js/viewimageresize.js
index 40e436143..7893ae45c 100644
--- a/js/viewimageresize.js
+++ b/js/viewimageresize.js
@@ -14,10 +14,12 @@
         }
 
         var $img = this.find(cfg.selector);
-        var width = this.width();
+        var $this = this;
 
         function image_resize()
         {
+            var width = $this.width();
+
             $img.each(function() {
                 $(this).removeAttr("width")
                        .removeAttr("height")
diff --git a/lib/thumbnail.lib.php b/lib/thumbnail.lib.php
index e6f7b05ff..337b92d42 100644
--- a/lib/thumbnail.lib.php
+++ b/lib/thumbnail.lib.php
@@ -80,27 +80,8 @@ function get_view_thumbnail($contents, $thumb_width=0)
 {
     global $board, $config;
 
-    if (!$thumb_width) {
-        $dvc_width = intval($_COOKIE['device_width']);
-        if(G5_IS_MOBILE && $dvc_width) {
-            // 썸네일 width 설정
-            $thumb_width = 320;
-
-            if($dvc_width > $board['bo_image_width']) {
-                $thumb_width = $board['bo_image_width'];
-            } else {
-                if($dvc_width >= 1000) {
-                    $thumb_width = 1000;
-                } else if($dvc_width >= 760 && $dvc_width < 1000) {
-                    $thumb_width = 760;
-                } else if($dvc_width >= 480 && $dvc_width < 760) {
-                    $thumb_width = 480;
-                }
-            }
-        } else {
-            $thumb_width = $board['bo_image_width'];
-        }
-    }
+    if (!$thumb_width)
+        $thumb_width = $board['bo_image_width'];
 
     // $contents 중 img 태그 추출
     $matchs = get_editor_image($contents);
diff --git a/mobile/head.php b/mobile/head.php
index aa323232d..0f4481fb3 100644
--- a/mobile/head.php
+++ b/mobile/head.php
@@ -107,7 +107,8 @@ include_once(G5_LIB_PATH.'/popular.lib.php');
     <div id="container">
         <?php if ((!$bo_table || $w == 's' ) && !defined("_INDEX_")) { ?><h1 id="wrapper_title"><?php echo $g5['title'] ?></h1><?php } ?>
         <div id="text_size">
-            <button class="no_text_resize" onclick="font_resize('container', 'decrease');">작게</button>
-            <button class="no_text_resize" onclick="font_default('container');">기본</button>
-            <button class="no_text_resize" onclick="font_resize('container', 'increase');">크게</button>
+            <!-- font_resize('엘리먼트id', '제거할 class', '추가할 class'); -->
+            <button id="text_size_down" onclick="font_resize('container', 'ts_up ts_up2', '');">기본</button>
+            <button id="text_size_def" onclick="font_resize('container', 'ts_up ts_up2', 'ts_up');">크게</button>
+            <button id="text_size_up" onclick="font_resize('container', 'ts_up ts_up2', 'ts_up2');">더크게</button>
         </div>
\ No newline at end of file
diff --git a/plugin/sns/view.sns.skin.php b/plugin/sns/view.sns.skin.php
index 1e177053d..3b02f4b3b 100644
--- a/plugin/sns/view.sns.skin.php
+++ b/plugin/sns/view.sns.skin.php
@@ -9,7 +9,7 @@ $msg_url = $sns_msg.' : '.$sns_url;
 
 // 카카오톡 매뉴얼 : https://github.com/kakao/kakaolink-web
 $kakao_appid   = $_SERVER['HTTP_HOST']; // Mobile Site Domain 정확히 입력하지 않을 경우 이용이 제한될 수 있습니다.
-$kakao_appname = $g5['title'];
+$kakao_appname = urlencode(str_replace('\"', '"', $g5['title']));
 
 $facebook_url  = 'http://www.facebook.com/sharer/sharer.php?s=100&p[url]='.$sns_url.'&p[title]='.$sns_msg;
 $twitter_url   = 'http://twitter.com/home?status='.$msg_url;