diff --git a/bbs/write.php b/bbs/write.php
index ad0ce86c2..8ca1120c7 100644
--- a/bbs/write.php
+++ b/bbs/write.php
@@ -304,6 +304,7 @@ $secret_checked = "";
 
 if ($w == '') {
     $password_required = 'required';
+    $file = array('count'=>$file_count);
 } else if ($w == 'u') {
     $password_required = '';
 
@@ -348,6 +349,7 @@ if ($w == '') {
     for ($i=1; $i<=G5_LINK_COUNT; $i++) {
         $write['wr_link'.$i] = get_text($write['wr_link'.$i]);
     }
+    $file = array('count'=>$file_count);
 }
 
 set_session('ss_bo_table', $_REQUEST['bo_table']);
diff --git a/bbs/write_update.php b/bbs/write_update.php
index 7b57aa085..b6db2e699 100644
--- a/bbs/write_update.php
+++ b/bbs/write_update.php
@@ -15,7 +15,12 @@ if($board['bo_use_category']) {
         $categories = array_map('trim', explode("|", $board['bo_category_list'].($is_admin ? '|공지' : '')));
         if(!empty($categories) && !in_array($ca_name, $categories))
             $msg[] = '분류를 올바르게 입력하세요.';
+
+        if(empty($categories))
+            $ca_name = '';
     }
+} else {
+    $ca_name = '';
 }
 
 $wr_subject = '';
@@ -410,6 +415,24 @@ if (!$group['gr_use_access'] && $board['bo_read_level'] < 2 && !$secret) {
     naver_syndi_ping($bo_table, $wr_id);
 }
 
+// 파일개수 체크
+$file_count   = 0;
+$upload_count = count($_FILES['bf_file']['name']);
+
+for ($i=0; $i<$upload_count; $i++) {
+    if($_FILES['bf_file']['name'][$i] && is_uploaded_file($_FILES['bf_file']['tmp_name'][$i]))
+        $file_count++;
+}
+
+if($w == 'u') {
+    $file = get_file($bo_table, $wr_id);
+    if($file_count && (int)$file['count'] > $board['bo_upload_count'])
+        alert('기존 파일을 삭제하신 후 첨부파일을 '.number_format($board['bo_upload_count']).'개 이하로 업로드 해주십시오.');
+} else {
+    if($file_count > $board['bo_upload_count'])
+        alert('첨부파일을 '.number_format($board['bo_upload_count']).'개 이하로 업로드 해주십시오.');
+}
+
 // 디렉토리가 없다면 생성합니다. (퍼미션도 변경하구요.)
 @mkdir(G5_DATA_PATH.'/file/'.$bo_table, G5_DIR_PERMISSION);
 @chmod(G5_DATA_PATH.'/file/'.$bo_table, G5_DIR_PERMISSION);
diff --git a/mobile/skin/board/basic/write.skin.php b/mobile/skin/board/basic/write.skin.php
index 8d9076d2f..28c804213 100644
--- a/mobile/skin/board/basic/write.skin.php
+++ b/mobile/skin/board/basic/write.skin.php
@@ -129,7 +129,7 @@ add_stylesheet('<link rel="stylesheet" href="'.$board_skin_url.'/style.css">', 0
         </tr>
         <?php } ?>
 
-        <?php for ($i=0; $is_file && $i<$file_count; $i++) { ?>
+        <?php for ($i=0; $is_file && $i<$file['count']; $i++) { ?>
         <tr>
             <th scope="row">파일 #<?php echo $i+1 ?></th>
             <td>
diff --git a/mobile/skin/board/gallery/write.skin.php b/mobile/skin/board/gallery/write.skin.php
index 4aec1baaf..4ff2536ee 100644
--- a/mobile/skin/board/gallery/write.skin.php
+++ b/mobile/skin/board/gallery/write.skin.php
@@ -128,7 +128,7 @@ add_stylesheet('<link rel="stylesheet" href="'.$board_skin_url.'/style.css">', 0
         </tr>
         <?php } ?>
 
-        <?php for ($i=0; $is_file && $i<$file_count; $i++) { ?>
+        <?php for ($i=0; $is_file && $i<$file['count']; $i++) { ?>
         <tr>
             <th scope="row">파일 #<?php echo $i+1 ?></th>
             <td>
diff --git a/skin/board/basic/write.skin.php b/skin/board/basic/write.skin.php
index 34d190e7e..bf5ab682f 100644
--- a/skin/board/basic/write.skin.php
+++ b/skin/board/basic/write.skin.php
@@ -146,7 +146,7 @@ add_stylesheet('<link rel="stylesheet" href="'.$board_skin_url.'/style.css">', 0
         </tr>
         <?php } ?>
 
-        <?php for ($i=0; $is_file && $i<$file_count; $i++) { ?>
+        <?php for ($i=0; $is_file && $i<$file['count']; $i++) { ?>
         <tr>
             <th scope="row">파일 #<?php echo $i+1 ?></th>
             <td>
diff --git a/skin/board/gallery/write.skin.php b/skin/board/gallery/write.skin.php
index e8bcf7bd6..6f49a1433 100644
--- a/skin/board/gallery/write.skin.php
+++ b/skin/board/gallery/write.skin.php
@@ -146,7 +146,7 @@ add_stylesheet('<link rel="stylesheet" href="'.$board_skin_url.'/style.css">', 0
         </tr>
         <?php } ?>
 
-        <?php for ($i=0; $is_file && $i<$file_count; $i++) { ?>
+        <?php for ($i=0; $is_file && $i<$file['count']; $i++) { ?>
         <tr>
             <th scope="row">파일 #<?php echo $i+1 ?></th>
             <td>
diff --git a/theme/basic/mobile/skin/board/basic/write.skin.php b/theme/basic/mobile/skin/board/basic/write.skin.php
index aa5f5b4ad..1226bd841 100644
--- a/theme/basic/mobile/skin/board/basic/write.skin.php
+++ b/theme/basic/mobile/skin/board/basic/write.skin.php
@@ -129,7 +129,7 @@ add_stylesheet('<link rel="stylesheet" href="'.$board_skin_url.'/style.css">', 0
         </tr>
         <?php } ?>
 
-        <?php for ($i=0; $is_file && $i<$file_count; $i++) { ?>
+        <?php for ($i=0; $is_file && $i<$file['count']; $i++) { ?>
         <tr>
             <th scope="row">파일 #<?php echo $i+1 ?></th>
             <td>
diff --git a/theme/basic/mobile/skin/board/gallery/write.skin.php b/theme/basic/mobile/skin/board/gallery/write.skin.php
index 4aec1baaf..4ff2536ee 100644
--- a/theme/basic/mobile/skin/board/gallery/write.skin.php
+++ b/theme/basic/mobile/skin/board/gallery/write.skin.php
@@ -128,7 +128,7 @@ add_stylesheet('<link rel="stylesheet" href="'.$board_skin_url.'/style.css">', 0
         </tr>
         <?php } ?>
 
-        <?php for ($i=0; $is_file && $i<$file_count; $i++) { ?>
+        <?php for ($i=0; $is_file && $i<$file['count']; $i++) { ?>
         <tr>
             <th scope="row">파일 #<?php echo $i+1 ?></th>
             <td>
diff --git a/theme/basic/skin/board/basic/write.skin.php b/theme/basic/skin/board/basic/write.skin.php
index 34d190e7e..bf5ab682f 100644
--- a/theme/basic/skin/board/basic/write.skin.php
+++ b/theme/basic/skin/board/basic/write.skin.php
@@ -146,7 +146,7 @@ add_stylesheet('<link rel="stylesheet" href="'.$board_skin_url.'/style.css">', 0
         </tr>
         <?php } ?>
 
-        <?php for ($i=0; $is_file && $i<$file_count; $i++) { ?>
+        <?php for ($i=0; $is_file && $i<$file['count']; $i++) { ?>
         <tr>
             <th scope="row">파일 #<?php echo $i+1 ?></th>
             <td>
diff --git a/theme/basic/skin/board/gallery/write.skin.php b/theme/basic/skin/board/gallery/write.skin.php
index e8bcf7bd6..6f49a1433 100644
--- a/theme/basic/skin/board/gallery/write.skin.php
+++ b/theme/basic/skin/board/gallery/write.skin.php
@@ -146,7 +146,7 @@ add_stylesheet('<link rel="stylesheet" href="'.$board_skin_url.'/style.css">', 0
         </tr>
         <?php } ?>
 
-        <?php for ($i=0; $is_file && $i<$file_count; $i++) { ?>
+        <?php for ($i=0; $is_file && $i<$file['count']; $i++) { ?>
         <tr>
             <th scope="row">파일 #<?php echo $i+1 ?></th>
             <td>