diff --git a/.gitignore b/.gitignore
index 96ca0ceec..8b781d5d7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 !.gitignore
-.htaccess
+/.htaccess
 data/
 test/
 sirgle/
diff --git a/bbs/qawrite_update.php b/bbs/qawrite_update.php
index 396080891..c6fde25d5 100644
--- a/bbs/qawrite_update.php
+++ b/bbs/qawrite_update.php
@@ -33,6 +33,9 @@ if (!empty($msg)) {
     alert($msg);
 }
 
+if($qa_hp)
+    $qa_hp = preg_replace('/[^0-9\-]/', '', strip_tags($qa_hp));
+
 // 090710
 if (substr_count($qa_content, '&#') > 50) {
     alert('내용에 올바르지 않은 코드가 다수 포함되어 있습니다.');
diff --git a/install/gnuboard5.sql b/install/gnuboard5.sql
index dbfcb56a5..5b1177987 100644
--- a/install/gnuboard5.sql
+++ b/install/gnuboard5.sql
@@ -507,7 +507,8 @@ CREATE TABLE IF NOT EXISTS `g5_memo` (
   `me_send_datetime` datetime NOT NULL default '0000-00-00 00:00:00',
   `me_read_datetime` datetime NOT NULL default '0000-00-00 00:00:00',
   `me_memo` text NOT NULL,
-  PRIMARY KEY  (`me_id`)
+  PRIMARY KEY  (`me_id`),
+  KEY `me_recv_mb_id` (`me_recv_mb_id`)
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8;
 
 -- --------------------------------------------------------
diff --git a/lib/common.lib.php b/lib/common.lib.php
index 23c322b23..c32b97f4e 100644
--- a/lib/common.lib.php
+++ b/lib/common.lib.php
@@ -1531,7 +1531,7 @@ function get_table_define($table, $crlf="\n")
         $schema_create     .= implode($columns, ', ') . ')';
     } // end while
 
-    $schema_create .= $crlf . ') DEFAULT CHARSET=utf8';
+    $schema_create .= $crlf . ') ENGINE=MyISAM DEFAULT CHARSET=utf8';
 
     return $schema_create;
 } // end of the 'PMA_getTableDef()' function
@@ -2514,4 +2514,22 @@ function print_address($addr1, $addr2, $addr3)
 
     return $address;
 }
+
+// input vars 체크
+function check_input_vars()
+{
+    $max_input_vars = ini_get('max_input_vars');
+
+    if($max_input_vars) {
+        $post_vars = count($_POST, COUNT_RECURSIVE);
+        $get_vars = count($_GET, COUNT_RECURSIVE);
+        $cookie_vars = count($_COOKIE, COUNT_RECURSIVE);
+
+        $input_vars = $post_vars + $get_vars + $cookie_vars;
+
+        if($input_vars > $max_input_vars) {
+            alert('폼에서 전송된 변수의 개수가 max_input_vars 값보다 큽니다.\\n전송된 값중 일부는 유실되어 DB에 기록될 수 있습니다.\\n\\n문제를 해결하기 위해서는 서버 php.ini의 max_input_vars 값을 변경하십시오.');
+        }
+    }
+}
 ?>
\ No newline at end of file
diff --git a/mobile/skin/qa/basic/write.skin.php b/mobile/skin/qa/basic/write.skin.php
index c7fa1e568..afd1a6ef4 100644
--- a/mobile/skin/qa/basic/write.skin.php
+++ b/mobile/skin/qa/basic/write.skin.php
@@ -63,7 +63,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
         <tr>
             <th scope="row"><label for="qa_hp">휴대폰</label></th>
             <td>
-                <input type="text" name="qa_hp" value="<?php echo $write['qa_hp']; ?>" id="qa_hp" <?php echo $req_hp; ?> class="<?php echo $req_email.' '; ?>frm_input" size="30">
+                <input type="text" name="qa_hp" value="<?php echo $write['qa_hp']; ?>" id="qa_hp" <?php echo $req_hp; ?> class="<?php echo $req_hp.' '; ?>frm_input" size="30">
                 <?php if($qaconfig['qa_use_sms']) { ?>
                 <input type="checkbox" name="qa_sms_recv" value="1" <?php if($write['qa_sms_recv']) echo 'checked="checked"'; ?>> 답변등록 SMS알림 수신
                 <?php } ?>
@@ -166,6 +166,14 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
             return false;
         }
 
+        <?php if ($is_hp) { ?>
+        var hp = f.qa_hp.value.replace(/[0-9\-]/g, "");
+        if(hp.length > 0) {
+            alert("휴대폰번호는 숫자, - 으로만 입력해 주십시오.");
+            return false;
+        }
+        <?php } ?>
+
         document.getElementById("btn_submit").disabled = "disabled";
 
         return true;
diff --git a/skin/qa/basic/write.skin.php b/skin/qa/basic/write.skin.php
index 817e8f943..e34181369 100644
--- a/skin/qa/basic/write.skin.php
+++ b/skin/qa/basic/write.skin.php
@@ -63,7 +63,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
         <tr>
             <th scope="row"><label for="qa_hp">휴대폰</label></th>
             <td>
-                <input type="text" name="qa_hp" value="<?php echo $write['qa_hp']; ?>" id="qa_hp" <?php echo $req_hp; ?> class="<?php echo $req_email.' '; ?>frm_input" size="30">
+                <input type="text" name="qa_hp" value="<?php echo $write['qa_hp']; ?>" id="qa_hp" <?php echo $req_hp; ?> class="<?php echo $req_hp.' '; ?>frm_input" size="30">
                 <?php if($qaconfig['qa_use_sms']) { ?>
                 <input type="checkbox" name="qa_sms_recv" value="1" <?php if($write['qa_sms_recv']) echo 'checked="checked"'; ?>> 답변등록 SMS알림 수신
                 <?php } ?>
@@ -166,6 +166,14 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
             return false;
         }
 
+        <?php if ($is_hp) { ?>
+        var hp = f.qa_hp.value.replace(/[0-9\-]/g, "");
+        if(hp.length > 0) {
+            alert("휴대폰번호는 숫자, - 으로만 입력해 주십시오.");
+            return false;
+        }
+        <?php } ?>
+
         document.getElementById("btn_submit").disabled = "disabled";
 
         return true;