diff --git a/adm/contentform.php b/adm/contentform.php
index 4a96abcad..5789a0de4 100644
--- a/adm/contentform.php
+++ b/adm/contentform.php
@@ -57,6 +57,9 @@ if ($w == "u") {
     if (!$co['co_id']) {
         alert('등록된 자료가 없습니다.');
     }
+
+    if (function_exists('check_case_exist_title')) check_case_exist_title($co, G5_CONTENT_DIR, false);
+
 } else {
     $html_title .= ' 입력';
     $co = array(
diff --git a/adm/shop_admin/itemform.php b/adm/shop_admin/itemform.php
index 9afd81fe4..0f6ec2a11 100644
--- a/adm/shop_admin/itemform.php
+++ b/adm/shop_admin/itemform.php
@@ -112,6 +112,8 @@ else if ($w == "u")
 
     if(!$it)
         alert('상품정보가 존재하지 않습니다.');
+    
+    if (function_exists('check_case_exist_title')) check_case_exist_title($it, G5_SHOP_DIR, false);
 
     if (! (isset($ca_id) && $ca_id))
         $ca_id = $it['ca_id'];
diff --git a/bbs/view.php b/bbs/view.php
index d78fa7b0e..3cb53f387 100644
--- a/bbs/view.php
+++ b/bbs/view.php
@@ -1,6 +1,8 @@
 <?php
 if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
 
+if (function_exists('check_case_exist_title')) check_case_exist_title($write, G5_BBS_DIR, true);
+
 // 게시판에서 두단어 이상 검색 후 검색된 게시물에 코멘트를 남기면 나오던 오류 수정
 $sop = strtolower($sop);
 if ($sop != 'and' && $sop != 'or')
diff --git a/lib/get_data.lib.php b/lib/get_data.lib.php
index 253f63962..395f778f6 100644
--- a/lib/get_data.lib.php
+++ b/lib/get_data.lib.php
@@ -145,8 +145,12 @@ function get_content_by_field($write_table, $type='bbs', $where_field='', $where
 {
     global $g5, $g5_object;
 
+    $order_key = 'wr_id';
+
     if( $type === 'content' ){
         $check_array = array('co_id', 'co_html', 'co_subject', 'co_content', 'co_seo_title', 'co_mobile_content', 'co_skin', 'co_mobile_skin', 'co_tag_filter_use', 'co_hit', 'co_include_head', 'co_include_tail');
+
+        $order_key = 'co_id';
     } else {
         $check_array = array('wr_id', 'wr_num', 'wr_reply', 'wr_parent', 'wr_is_comment', 'ca_name', 'wr_option', 'wr_subject', 'wr_content', 'wr_seo_title', 'wr_link1', 'wr_link2', 'wr_hit', 'wr_good', 'wr_nogood', 'mb_id', 'wr_name', 'wr_email', 'wr_homepage', 'wr_datetime', 'wr_ip', 'wr_1', 'wr_2', 'wr_3', 'wr_4', 'wr_5', 'wr_6', 'wr_7', 'wr_8', 'wr_9', 'wr_10');
     }
@@ -162,7 +166,7 @@ function get_content_by_field($write_table, $type='bbs', $where_field='', $where
         return $cache[$key];
     }
 
-    $sql = " select * from {$write_table} where $where_field = '".sql_real_escape_string($where_value)."' ";
+    $sql = " select * from {$write_table} where $where_field = '".sql_real_escape_string($where_value)."' order by $order_key desc limit 1 ";
 
     $cache[$key] = sql_fetch($sql);
 
diff --git a/lib/shop.data.lib.php b/lib/shop.data.lib.php
index 47911d1f5..4eef513b1 100644
--- a/lib/shop.data.lib.php
+++ b/lib/shop.data.lib.php
@@ -32,9 +32,9 @@ function get_shop_item_with_category($it_id, $seo_title='', $add_query=''){
     global $g5, $default;
 
     if( $seo_title ){
-        $sql = " select a.*, b.ca_name, b.ca_use from {$g5['g5_shop_item_table']} a, {$g5['g5_shop_category_table']} b where a.it_seo_title = '".sql_real_escape_string(generate_seo_title($seo_title))."' and a.ca_id = b.ca_id $add_query";
+        $sql = " select a.*, b.ca_name, b.ca_use from {$g5['g5_shop_item_table']} a, {$g5['g5_shop_category_table']} b where a.it_seo_title = '".sql_real_escape_string(generate_seo_title($seo_title))."' and a.ca_id = b.ca_id $add_query order by it_id desc limit 1";
     } else {
-        $sql = " select a.*, b.ca_name, b.ca_use from {$g5['g5_shop_item_table']} a, {$g5['g5_shop_category_table']} b where a.it_id = '$it_id' and a.ca_id = b.ca_id $add_query";
+        $sql = " select a.*, b.ca_name, b.ca_use from {$g5['g5_shop_item_table']} a, {$g5['g5_shop_category_table']} b where a.it_id = '$it_id' and a.ca_id = b.ca_id $add_query order by it_id desc limit 1";
     }
     
     $item = sql_fetch($sql);
diff --git a/lib/uri.lib.php b/lib/uri.lib.php
index d43b00c34..ae45b9a7b 100644
--- a/lib/uri.lib.php
+++ b/lib/uri.lib.php
@@ -253,10 +253,61 @@ function exist_seo_url($type, $seo_title, $write_table, $sql_id=0){
         return '';
 }
 
+function check_case_exist_title($data, $case=G5_BBS_DIR, $is_redirect=false) {
+    global $config, $g5, $board;
+
+    if ((int) $config['cf_bbs_rewrite'] !== 2) {
+        return;
+    }
+
+    $seo_title = '';
+    $redirect_url = '';
+
+    if ($case == G5_BBS_DIR && isset($data['wr_seo_title'])) {
+        $db_table = $g5['write_prefix'].$board['bo_table'];
+
+        if (exist_seo_url($case, $data['wr_seo_title'], $db_table, $data['wr_id'])) {
+            $seo_title = $data['wr_seo_title'].'-'.$data['wr_id'];
+            $sql = " update `{$db_table}` set wr_seo_title = '".sql_real_escape_string($seo_title)."' where wr_id = '{$data['wr_id']}' ";
+            sql_query($sql, false);
+
+            get_write($db_table, $data['wr_id'], false);
+            $redirect_url = get_pretty_url($board['bo_table'], $data['wr_id']);
+        }
+    } else if ($case == G5_CONTENT_DIR && isset($data['co_seo_title'])) {
+        $db_table = $g5['content_table'];
+
+        if (exist_seo_url($case, $data['co_seo_title'], $db_table, $data['co_id'])) {
+            $seo_title = $data['co_seo_title'].'-'.substr(get_random_token_string(4), 4);
+            $sql = " update `{$db_table}` set co_seo_title = '".sql_real_escape_string($seo_title)."' where co_id = '{$data['co_id']}' ";
+            sql_query($sql, false);
+            
+            get_content_db($data['co_id'], false);
+            g5_delete_cache_by_prefix('content-' . $data['co_id'] . '-');
+            $redirect_url = get_pretty_url($case, $data['co_id']);
+        }
+    } else if (defined('G5_SHOP_DIR') && $case == G5_SHOP_DIR && isset($data['it_seo_title'])) {
+        $db_table = $g5['g5_shop_item_table'];
+
+        if (shop_exist_check_seo_title($data['it_seo_title'], $case, $db_table, $data['it_id'])) {
+            $seo_title = $data['it_seo_title'].'-'.substr(get_random_token_string(4), 4);
+            $sql = " update `{$db_table}` set it_seo_title = '".sql_real_escape_string($seo_title)."' where it_id = '{$data['it_id']}' ";
+            sql_query($sql, false);
+
+            get_shop_item($data['it_id'], false);
+            $redirect_url = get_pretty_url($case, $data['it_id']);
+        }
+    }
+
+    if ($is_redirect && $seo_title && $redirect_url) {
+        goto_url($redirect_url);
+    }
+}
+
 function exist_seo_title_recursive($type, $seo_title, $write_table, $sql_id=0){
     static $count = 0;
 
-    $seo_title_add = ($count > 0) ? utf8_strcut($seo_title, 200 - ($count+1), '')."-$count" : $seo_title;
+    $seo_title_add = ($count > 0) ? utf8_strcut($seo_title, 100000 - ($count+1), '')."-$count" : $seo_title;
 
     if( ! exist_seo_url($type, $seo_title_add, $write_table, $sql_id) ){
         return $seo_title_add;
@@ -264,7 +315,7 @@ function exist_seo_title_recursive($type, $seo_title, $write_table, $sql_id=0){
     
     $count++;
 
-    if( $count > 198 ){
+    if( $count > 99998 ){
         return $seo_title_add;
     }
 
diff --git a/mobile/shop/item.php b/mobile/shop/item.php
index 8570ac3fd..71ab17775 100644
--- a/mobile/shop/item.php
+++ b/mobile/shop/item.php
@@ -16,6 +16,8 @@ if( isset($row['it_seo_title']) && ! $row['it_seo_title'] ){
     shop_seo_title_update($row['it_id']);
 }
 
+if (function_exists('check_case_exist_title')) check_case_exist_title($it, G5_SHOP_DIR, true);
+
 if (!($it['ca_use'] && $it['it_use'])) {
     if (!$is_admin)
         alert('판매가능한 상품이 아닙니다.');
diff --git a/shop/item.php b/shop/item.php
index 906726a02..5c4e04478 100644
--- a/shop/item.php
+++ b/shop/item.php
@@ -20,6 +20,8 @@ if( isset($row['it_seo_title']) && ! $row['it_seo_title'] ){
     shop_seo_title_update($row['it_id']);
 }
 
+if (function_exists('check_case_exist_title')) check_case_exist_title($it, G5_SHOP_DIR, true);
+
 if (!($it['ca_use'] && $it['it_use'])) {
     if (!$is_admin)
         alert('현재 판매가능한 상품이 아닙니다.');