diff --git a/bbs/write_update.php b/bbs/write_update.php
index e8beab91b..ced4dbff6 100644
--- a/bbs/write_update.php
+++ b/bbs/write_update.php
@@ -10,6 +10,7 @@ $msg = array();
 $wr_subject = '';
 if (isset($_POST['wr_subject'])) {
     $wr_subject = substr(trim($_POST['wr_subject']),0,255);
+    $wr_subject = preg_replace("#[\\\]+$#", "", $wr_subject);
 }
 if ($wr_subject == '') {
     $msg[] = '<strong>제목</strong>을 입력하세요.';
diff --git a/install/install_db.php b/install/install_db.php
index 656f90967..1d0407eb6 100644
--- a/install/install_db.php
+++ b/install/install_db.php
@@ -120,7 +120,7 @@ $sql = " insert into `{$table_prefix}config`
                 cf_mobile_search_skin = 'basic',
                 cf_mobile_connect_skin = 'basic',
                 cf_mobile_member_skin = 'basic',
-                cf_editor = 'ckeditor4',
+                cf_editor = 'smarteditor2',
                 cf_captcha_mp3 = 'basic',
                 cf_register_level = '2',
                 cf_register_point = '1000',
diff --git a/lib/latest.lib.php b/lib/latest.lib.php
index 214147b02..150438b8e 100644
--- a/lib/latest.lib.php
+++ b/lib/latest.lib.php
@@ -54,7 +54,7 @@ function latest($skin_dir='', $bo_table, $rows=10, $subject_len=40, $cache_time=
 
         if($cache_fwrite) {
             $handle = fopen($cache_file, 'w');
-            $cache_content = "<?php\nif (!defined('_GNUBOARD_')) exit;\n\$bo_subject=\"".$bo_subject."\";\n\$list=".var_export($list, true)."?>";
+            $cache_content = "<?php\nif (!defined('_GNUBOARD_')) exit;\n\$bo_subject='".$bo_subject."';\n\$list=".var_export($list, true)."?>";
             fwrite($handle, $cache_content);
             fclose($handle);
         }
diff --git a/lib/naver_syndi.lib.php b/lib/naver_syndi.lib.php
index f3d9ab73a..cbe0b8c8b 100644
--- a/lib/naver_syndi.lib.php
+++ b/lib/naver_syndi.lib.php
@@ -24,9 +24,6 @@ function naver_syndi_ping($bo_table, $wr_id)
 
     // 토큰값이 없다면 네이버 신디케이션 사용안함
     if ($token == '') return 0;
-    
-    // 토큰의 길이는 112 글자입니다.
-    if (strlen($token) != 112) return -1;
 
     // 신디케이션 수집 제외게시판
     if (preg_match('#^('.$config['cf_syndi_except'].')$#', $bo_table)) return -2;