diff --git a/_common.php b/_common.php
index 0d95a8ad..6d97a2ce 100644
--- a/_common.php
+++ b/_common.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 if(!defined('ROOT')){
     define('ROOT', '.');
 }
diff --git a/composer.json b/composer.json
index 00f7992c..0b6148b6 100644
--- a/composer.json
+++ b/composer.json
@@ -1,4 +1,12 @@
 {
+    "name":"sammo-hid/sammo",
+    "description":"삼국지 모의전투 HiD",
+    "license": [
+       "MIT",
+       "GPL-2.0-or-later",
+       "proprietary"
+    ],
+    "version":"0.1.0-alpha",
     "require": {
         "brandonwamboldt/utilphp": "^1.1",
         "sergeytsalkov/meekrodb": "^2.3",
@@ -7,5 +15,11 @@
         "leafo/scssphp": "^0.7.5",
         "monolog/monolog": "^1.23",
         "firephp/firephp-core": "^0.4.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "sammo\\": "src"
+        }
     }
+    
 }
diff --git a/composer.lock b/composer.lock
index 176e7978..2da7b6c3 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "content-hash": "9f2a8e0b8a175d3788e6679dea1d18ff",
+    "content-hash": "63390482c0fd78af00c967100dc6d1a7",
     "packages": [
         {
             "name": "brandonwamboldt/utilphp",
diff --git a/d_setting/_common.php b/d_setting/_common.php
index eac8582e..eda7793e 100644
--- a/d_setting/_common.php
+++ b/d_setting/_common.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 if(!defined('ROOT')){
     define('ROOT', '..');
 }
diff --git a/d_setting/conf.orig.php b/d_setting/conf.orig.php
index 5d659499..cbd9405e 100644
--- a/d_setting/conf.orig.php
+++ b/d_setting/conf.orig.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require(__dir__.'/../vendor/autoload.php');
 
 /**
diff --git a/d_setting/conf_kakao.orig.php b/d_setting/conf_kakao.orig.php
index e74c623f..1b3d7324 100644
--- a/d_setting/conf_kakao.orig.php
+++ b/d_setting/conf_kakao.orig.php
@@ -1,4 +1,7 @@
 <?php
+namespace sammo;
+
+namespace sammo;
 class KakaoKey{
     const REST_KEY = '_tK_REST_API_KEY_';
     const ADMIN_KEY = '_tK_ADMIN_KEY_';
diff --git a/f_config/DB.php b/f_config/DB.php
index 492b0dae..f1195da0 100644
--- a/f_config/DB.php
+++ b/f_config/DB.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_config/SETTING.php');
 
diff --git a/f_config/MAIL.php b/f_config/MAIL.php
index a9b55b2f..92f842ec 100644
--- a/f_config/MAIL.php
+++ b/f_config/MAIL.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_func/class._Mail.php');
 require_once(ROOT.'/f_config/SETTING.php');
diff --git a/f_config/SESSION.php b/f_config/SESSION.php
index cdb2dd2d..f6bdbdbf 100644
--- a/f_config/SESSION.php
+++ b/f_config/SESSION.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_func/class._Session.php');
 
diff --git a/f_config/SETTING.php b/f_config/SETTING.php
index 2a082f9e..1bd3d7f7 100644
--- a/f_config/SETTING.php
+++ b/f_config/SETTING.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(__DIR__.'/../f_func/class._Setting.php');
 
diff --git a/f_config/_common.php b/f_config/_common.php
index c95ed0e0..65a25333 100644
--- a/f_config/_common.php
+++ b/f_config/_common.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 if(!defined('ROOT')){
     define('ROOT', '..');
 }
diff --git a/f_config/app.php b/f_config/app.php
index 7478e4a4..82d16e9b 100644
--- a/f_config/app.php
+++ b/f_config/app.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_func/class._Setting.php');
 
diff --git a/f_config/config.php b/f_config/config.php
index f401fcd7..b863fd05 100644
--- a/f_config/config.php
+++ b/f_config/config.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require(__dir__.'/../vendor/autoload.php');
 define('__LINE__',__FILE__." ".__FUNCTION__." ".__LINE__." : ");
 ob_start();
diff --git a/f_func/_common.php b/f_func/_common.php
index c95ed0e0..65a25333 100644
--- a/f_func/_common.php
+++ b/f_func/_common.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 if(!defined('ROOT')){
     define('ROOT', '..');
 }
diff --git a/f_func/class._Session.php b/f_func/class._Session.php
index 8ca95cf5..fcb92b83 100644
--- a/f_func/class._Session.php
+++ b/f_func/class._Session.php
@@ -1,6 +1,8 @@
 <?php
+namespace sammo;
+
 require(__dir__.'/../vendor/autoload.php');
-use utilphp\util as util;
+
 
 class _Session {
     public function __construct() {
diff --git a/f_func/class._Setting.php b/f_func/class._Setting.php
index 63872307..ef67fb93 100644
--- a/f_func/class._Setting.php
+++ b/f_func/class._Setting.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 
 class _Setting {
diff --git a/f_func/class._String.php b/f_func/class._String.php
index a68cd450..6021d5c9 100644
--- a/f_func/class._String.php
+++ b/f_func/class._String.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require(__dir__.'/../vendor/autoload.php');
 
 class _String {
diff --git a/f_func/class._Time.php b/f_func/class._Time.php
index b84a70c9..42233ba5 100644
--- a/f_func/class._Time.php
+++ b/f_func/class._Time.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require(__dir__.'/../vendor/autoload.php');
 
 class _Time {
diff --git a/f_func/func.php b/f_func/func.php
index f7f1b4b6..d4aa37e8 100644
--- a/f_func/func.php
+++ b/f_func/func.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require(__dir__.'/../vendor/autoload.php');
 
 function SetHeaderNoCache(){
@@ -116,26 +118,6 @@ function delExpiredInDir($dir, $t) {
     return $success;
 }
 
-
-function returnJson($value, $noCache = true, $pretty = false, $die = true){
-    if($noCache){
-        SetHeaderNoCache();
-    }
-    
-    header('Content-Type: application/json');
-
-    if($pretty){
-        $flag = JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT;
-    }
-    else{
-        $flag = JSON_UNESCAPED_UNICODE;
-    }
-    echo json_encode($value, $flag); 
-    if($die){
-        die();
-    }
-}
-
 function hashPassword($salt, $password){
     return hash('sha512', $salt.$password.$salt);
 }
diff --git a/f_install/_common.php b/f_install/_common.php
index c95ed0e0..65a25333 100644
--- a/f_install/_common.php
+++ b/f_install/_common.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 if(!defined('ROOT')){
     define('ROOT', '..');
 }
diff --git a/f_install/install.php b/f_install/install.php
index b57df8b2..d51f72df 100644
--- a/f_install/install.php
+++ b/f_install/install.php
@@ -1,8 +1,10 @@
 <?php
+namespace sammo;
+
 require('_common.php');
 require(ROOT.'/f_func/class._Time.php');
 
-use utilphp\util as util;
+
 
 ?>
 <!DOCTYPE html>
diff --git a/f_install/j_create_admin.php b/f_install/j_create_admin.php
index 8aabb1b9..5bfd7832 100644
--- a/f_install/j_create_admin.php
+++ b/f_install/j_create_admin.php
@@ -1,10 +1,12 @@
 <?php
+namespace sammo;
+
 
 require('_common.php');
 require(__DIR__.'/../f_config/SETTING.php');
 require(ROOT.'/f_func/class._Time.php');
 
-use utilphp\util as util;
+
 
 session_start();
 session_destroy();
@@ -14,21 +16,21 @@ $password = util::array_get($_POST['password']);
 $nickname = util::array_get($_POST['nickname']);
 
 if(!$username || !$password || !$nickname){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'입력값이 설정되지 않았습니다.'
     ]);
 }
 
 if(strlen($password)!=128){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'올바르지 않은 비밀번호 해시 포맷입니다.'
     ]);
 }
 
 if(!$SETTING->isExists()){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'DB 설정이 완료되지 않았습니다.'
     ]);
@@ -42,7 +44,7 @@ $rootDB->query('LOCK TABLES member WRITE, member_log WRITE');
 
 $memberCnt = $rootDB->queryFirstField('SELECT count(`NO`) from member');
 if($memberCnt > 0){
-    returnJson([
+    Json::die([
         'result'=>'false',
         'reason'=>'이미 계정이 생성되어 있습니다'
     ]);
@@ -76,7 +78,7 @@ $rootDB->insert('member_log', [
     ], JSON_UNESCAPED_UNICODE)
 ]);
 
-returnJson([
+Json::die([
     'result'=>true,
     'reason'=>'success'
 ]);
\ No newline at end of file
diff --git a/f_install/j_install_status.php b/f_install/j_install_status.php
index fb60f7c4..93b8f66c 100644
--- a/f_install/j_install_status.php
+++ b/f_install/j_install_status.php
@@ -1,24 +1,26 @@
 <?php
+namespace sammo;
+
 
 require('_common.php');
 require(__DIR__.'/../f_config/SETTING.php');
-use utilphp\util as util;
+
 
 
 function dbConnFail($params){
-    returnJson([
+    Json::die([
         'step'=>'conn_fail'
     ]);
 }
 
 function dbSQLFail($params){
-    returnJson([
+    Json::die([
         'step'=>'sql_fail'
     ]);
 }
 
 if(!$SETTING->isExists()){
-    returnJson([
+    Json::die([
         'step'=>'config'
     ]);
 }
@@ -32,13 +34,13 @@ $rootDB->error_handler = 'dbSQLFail';
 
 $memberCnt = $rootDB->queryFirstField('SELECT count(`NO`) from MEMBER');
 if($memberCnt === 0){
-    returnJson([
+    Json::die([
         'step'=>'admin',
         'globalSalt'=>getGlobalSalt()
     ]);
 }
 
 
-returnJson([
+Json::die([
     'step'=>'done'
 ]);
\ No newline at end of file
diff --git a/f_install/j_setup_db.php b/f_install/j_setup_db.php
index 41c639ee..3d7e0e00 100644
--- a/f_install/j_setup_db.php
+++ b/f_install/j_setup_db.php
@@ -1,20 +1,21 @@
 <?php
+namespace sammo;
 
 require('_common.php');
 require(__DIR__.'/../f_config/SETTING.php');
 require(__DIR__.'/../f_func/class._Time.php');
-use utilphp\util as util;
+
 
 
 function dbConnFail($params){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'DB 접속에 실패했습니다.'
     ]);
 }
 
 function dbSQLFail($params){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'SQL을 제대로 실행하지 못했습니다. DB상태를 확인해 주세요.'
     ]);
@@ -28,28 +29,28 @@ $dbName = util::array_get($_POST['db_name']);
 $servHost = util::array_get($_POST['serv_host']);
 
 if(!$host || !$port || !$username || !$password || !$dbName || !$servHost){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'입력 값이 올바르지 않습니다'
     ]);
 }
 
 if(!filter_var($servHost, FILTER_VALIDATE_URL)){
-	returnJson([
+	Json::die([
         'result'=>false,
         'reason'=>'접속 경로가 올바르지 않습니다.'
     ]);
 }
 
 if(file_exists(ROOT.'/d_setting/conf.php') && is_dir(ROOT.'/d_setting/conf.php')){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'d_setting/conf.php 가 디렉토리입니다'
     ]);
 }
 
 if($SETTING->isExists()){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'이미 conf.php 파일이 있습니다'
     ]);
@@ -57,42 +58,42 @@ if($SETTING->isExists()){
 
 //파일 권한 검사
 if(file_exists(ROOT.'/d_pic') && !is_dir(ROOT.'/d_pic')){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'d_pic 이 디렉토리가 아닙니다'
     ]);
 }
 
 if(file_exists(ROOT.'/d_log') && !is_dir(ROOT.'/d_log')){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'d_log 가 디렉토리가 아닙니다'
     ]);
 }
 
 if(!file_exists(ROOT.'/d_setting')){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'d_setting 이 존재하지 않습니다'
     ]);
 }
 
 if(!is_writable(ROOT.'/d_pic')){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'d_pic 디렉토리의 쓰기 권한이 없습니다'
     ]);
 }
 
 if(!is_writable(ROOT.'/d_log')){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'d_log 디렉토리의 쓰기 권한이 없습니다'
     ]);
 }
 
 if(!is_writable(ROOT.'/d_setting')){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'d_setting 디렉토리의 쓰기 권한이 없습니다.'
     ]);
@@ -155,13 +156,13 @@ $result = generateFileUsingSimpleTemplate(
 );
 
 if($result !== true){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>$result
     ]);
 }
 
-returnJson([
+Json::die([
     'result'=>true,
     'reason'=>'success'
 ]);
\ No newline at end of file
diff --git a/f_retrival/_common.php b/f_retrival/_common.php
index f3837d1b..0ae420c4 100644
--- a/f_retrival/_common.php
+++ b/f_retrival/_common.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 if(!defined('ROOT')){
     define('ROOT', '.');
 }
diff --git a/i_entrance/_common.php b/i_entrance/_common.php
index 886ced47..0ad8a1c4 100644
--- a/i_entrance/_common.php
+++ b/i_entrance/_common.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 if(!defined('ROOT')){
     define('ROOT', '..');
 }
diff --git a/i_entrance/admin_userlist.php b/i_entrance/admin_userlist.php
index f9ede3e1..d8508f2b6 100644
--- a/i_entrance/admin_userlist.php
+++ b/i_entrance/admin_userlist.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_config/DB.php');
 require_once(ROOT.'/f_config/SESSION.php');
diff --git a/i_entrance/entrance.php b/i_entrance/entrance.php
index 8c26c4db..0e771e96 100644
--- a/i_entrance/entrance.php
+++ b/i_entrance/entrance.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_config/DB.php');
 require_once(ROOT.'/f_config/SESSION.php');
diff --git a/i_entrance/j_change_password.php b/i_entrance/j_change_password.php
index fea00194..36b4b461 100644
--- a/i_entrance/j_change_password.php
+++ b/i_entrance/j_change_password.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_config/DB.php');
 require_once(ROOT.'/f_func/class._Session.php');
@@ -6,7 +8,7 @@ require_once(ROOT.'/f_func/class._Session.php');
 $SESSION = new _Session();
 
 if(!$SESSION->isLoggedIn()) {
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'로그인되지 않았습니다.'
     ]);
@@ -38,7 +40,7 @@ if(!$db->affectedRows()){
         ])
     ]);
 
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'현재 비밀번호가 일치하지 않습니다.'
     ]);
@@ -53,7 +55,7 @@ $db->insert('member_log', [
     ])
 ]);
 
-returnJson([
+Json::die([
     'result'=>true,
     'reason'=>'success'
 ]);
\ No newline at end of file
diff --git a/i_entrance/j_delete_me.php b/i_entrance/j_delete_me.php
index d900acc0..d5912a9f 100644
--- a/i_entrance/j_delete_me.php
+++ b/i_entrance/j_delete_me.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_func/class._Time.php');
 require_once(ROOT.'/f_config/DB.php');
@@ -7,7 +9,7 @@ require_once(ROOT.'/f_func/class._Session.php');
 $SESSION = new _Session();
 
 if(!$SESSION->isLoggedIn()) {
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'로그인되지 않았습니다.'
     ]);
@@ -18,7 +20,7 @@ if(!$SESSION->isLoggedIn()) {
 $pw = $_POST['pw'];
 
 if(!$pw){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'패스워드를 입력해주세요.'
     ]);
@@ -32,14 +34,14 @@ $userInfo = $db->queryFirstRow('SELECT oauth_id, oauth_type, email, delete_after
     $SESSION->NoMember(), $pw);
 
 if(!$userInfo){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'현재 비밀번호가 일치하지 않습니다.'
     ]);
 }
 
 if($userInfo['delete_after']){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'이미 탈퇴 처리되어있습니다.'
     ]);
@@ -50,7 +52,7 @@ $db->update('member',[
 ], 'no=%i', $SESSION->NoMember());
 
 if(!$db->affectedRows()){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'알 수 없는 이유로 탈퇴에 실패했습니다.'
     ]);
@@ -67,7 +69,7 @@ $SESSION->logout();
 unset($_SESSION['access_token']);
 setcookie("hello", "", time()-3600);
 
-returnJson([
+Json::die([
     'result'=>true,
     'reason'=>'success'
 ]);
diff --git a/i_entrance/j_get_user_info.php b/i_entrance/j_get_user_info.php
index f626854e..6a18f68e 100644
--- a/i_entrance/j_get_user_info.php
+++ b/i_entrance/j_get_user_info.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_config/DB.php');
 require_once(ROOT.'/f_func/class._Session.php');
@@ -6,7 +8,7 @@ require_once(ROOT.'/f_func/class._Session.php');
 $SESSION = new _Session();
 
 if(!$SESSION->isLoggedIn()) {
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'로그인되지 않았습니다.'
     ]);
@@ -43,7 +45,7 @@ if($member['grade'] == 6) {
     $grade = '블럭회원';
 }
 
-returnJson([
+Json::die([
     'result'=>true,
     'reason'=>'success',
     'id'=>$member['id'],
diff --git a/i_entrance/j_icon_change.php b/i_entrance/j_icon_change.php
index 61560a42..4103f716 100644
--- a/i_entrance/j_icon_change.php
+++ b/i_entrance/j_icon_change.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_config/DB.php');
 require_once(ROOT.'/f_func/class._Session.php');
@@ -6,7 +8,7 @@ require_once(ROOT.'/f_func/class._Session.php');
 $SESSION = new _Session();
 
 if(!$SESSION->isLoggedIn()) {
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'로그인되지 않았습니다.'
     ]);
@@ -105,4 +107,4 @@ if(!is_uploaded_file($image['tmp_name'])) {
 }
 
 
-returnJson($response);
\ No newline at end of file
+Json::die($response);
\ No newline at end of file
diff --git a/i_entrance/j_icon_delete.php b/i_entrance/j_icon_delete.php
index a9b517aa..a1eac890 100644
--- a/i_entrance/j_icon_delete.php
+++ b/i_entrance/j_icon_delete.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_config/DB.php');
 require_once(ROOT.'/f_func/class._Session.php');
@@ -6,7 +8,7 @@ require_once(ROOT.'/f_func/class._Session.php');
 $SESSION = new _Session();
 
 if(!$SESSION->isLoggedIn()) {
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'로그인되지 않았습니다.'
     ]);
@@ -57,4 +59,4 @@ if($dt == $rf) {
     $response['result'] = true;
 }
 
-returnJson($response);
\ No newline at end of file
+Json::die($response);
\ No newline at end of file
diff --git a/i_entrance/j_logout.php b/i_entrance/j_logout.php
index be26577e..ae931fd9 100644
--- a/i_entrance/j_logout.php
+++ b/i_entrance/j_logout.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_config/DB.php');
 require_once(ROOT.'/f_config/SESSION.php');
@@ -11,6 +13,6 @@ unset($_SESSION['access_token']);
 session_write_close();
 setcookie("hello", "", time()-3600);
 
-returnJson([
+Json::die([
     'result'=>true
 ]);
\ No newline at end of file
diff --git a/i_entrance/j_server_change_status.php b/i_entrance/j_server_change_status.php
index 09b3c811..6e44bf04 100644
--- a/i_entrance/j_server_change_status.php
+++ b/i_entrance/j_server_change_status.php
@@ -1,9 +1,11 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_config/DB.php');
 require_once(ROOT.'/f_config/SESSION.php');
 
-use utilphp\util as util;
+
 
 // 외부 파라미터
 // $_POST['action'] : 'notice', 'open', 'close', 'reset', 'reset_full'
@@ -23,7 +25,7 @@ $userGrade = $SESSION->getGrade();
 session_write_close();
 
 if($userGrade < 6) {
-    returnJson([
+    Json::die([
         'result'=>'FAIL',
         'msg'=>'운영자 권한이 없습니다.'
     ]);
diff --git a/i_entrance/j_server_get_admin_status.php b/i_entrance/j_server_get_admin_status.php
index 2d9dd807..4953c283 100644
--- a/i_entrance/j_server_get_admin_status.php
+++ b/i_entrance/j_server_get_admin_status.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 // 외부 파라미터
 
 require_once('_common.php');
@@ -57,4 +59,4 @@ foreach (getServerConfigList() as $server) {
     $result[] = $state;
 }  
 
-returnJson($result);
\ No newline at end of file
+Json::die($result);
\ No newline at end of file
diff --git a/i_entrance/j_server_get_status.php b/i_entrance/j_server_get_status.php
index 01e548b7..29597ba4 100644
--- a/i_entrance/j_server_get_status.php
+++ b/i_entrance/j_server_get_status.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_config/DB.php');
 
@@ -19,6 +21,6 @@ foreach(getServerConfigList() as $serverInfo){
 }
 
 $response['result'] = 'SUCCESS';
-returnJson($response);
+Json::die($response);
 
 
diff --git a/i_entrance/member/Frame.php b/i_entrance/member/Frame.php
index 5d84e126..4d0de407 100644
--- a/i_entrance/member/Frame.php
+++ b/i_entrance/member/Frame.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 ?>
 
diff --git a/i_entrance/member/Get.php b/i_entrance/member/Get.php
index 7eefce1a..084fc0f1 100644
--- a/i_entrance/member/Get.php
+++ b/i_entrance/member/Get.php
@@ -1,9 +1,11 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_config/DB.php');
 require_once(ROOT.'/f_config/SESSION.php');
 
-use utilphp\util as util;
+
 
 // 외부 파라미터
 // $_GET['select'] : 정렬선택
@@ -12,7 +14,7 @@ $select = $_GET['select'];
 $db = getRootDB();
 $userGrade = $SESSION->getGrade();
 if($userGrade < 6) {
-    returnJson([
+    Json::die([
         'result'=>'FAIL',
         'msg'=>'운영자 권한이 없습니다.'
     ]);
@@ -74,6 +76,6 @@ $response['state'] = "가입: {$system['REG']}, 로그인: {$system['LOGIN']}";
 
 $response['result'] = 'SUCCESS';
 
-returnJson($response);
+Json::die($response);
 
 
diff --git a/i_entrance/member/Post.php b/i_entrance/member/Post.php
index 3d529922..b4a72f30 100644
--- a/i_entrance/member/Post.php
+++ b/i_entrance/member/Post.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(ROOT.'/f_config/DB.php');
 require_once(ROOT.'/f_config/SESSION.php');
@@ -63,6 +65,6 @@ if($member['GRADE'] < 6) {
     $response['result'] = 'SUCCESS';
 }
 
-returnJson($response);
+Json::die($response);
 
 
diff --git a/i_entrance/member/_common.php b/i_entrance/member/_common.php
index 5bdcfa60..46675331 100644
--- a/i_entrance/member/_common.php
+++ b/i_entrance/member/_common.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 if(!defined('ROOT')){
     define('ROOT', '../..');
 }
diff --git a/i_entrance/templates/_common.php b/i_entrance/templates/_common.php
index 45d617d2..d605ef38 100644
--- a/i_entrance/templates/_common.php
+++ b/i_entrance/templates/_common.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 if(!defined('ROOT')){
     define('ROOT', '../..');
 }
diff --git a/i_other/_common.php b/i_other/_common.php
index c95ed0e0..65a25333 100644
--- a/i_other/_common.php
+++ b/i_other/_common.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 if(!defined('ROOT')){
     define('ROOT', '..');
 }
diff --git a/i_other/help.php b/i_other/help.php
index 895d8fd6..1b95c7b1 100644
--- a/i_other/help.php
+++ b/i_other/help.php
@@ -1,6 +1,8 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
-use utilphp\util as util;
+
 
 $category = util::array_get($_GET['category'], 0);
 //FIXME: 겨우 category 구분을 위해 php를 써야하는가? JavaScript로 바꾸자
diff --git a/i_other/screenshot.php b/i_other/screenshot.php
index 19162d2b..a12c91c0 100644
--- a/i_other/screenshot.php
+++ b/i_other/screenshot.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 
 $images = IMAGES;
diff --git a/i_popup/Frame.php b/i_popup/Frame.php
index 44e41a85..621eb6ee 100644
--- a/i_popup/Frame.php
+++ b/i_popup/Frame.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 ?>
 
diff --git a/i_popup/_common.php b/i_popup/_common.php
index c95ed0e0..65a25333 100644
--- a/i_popup/_common.php
+++ b/i_popup/_common.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 if(!defined('ROOT')){
     define('ROOT', '..');
 }
diff --git a/index.php b/index.php
index cd266056..ba3f8ba1 100644
--- a/index.php
+++ b/index.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require('_common.php');
 require(ROOT.'/f_config/SETTING.php');
 
@@ -13,7 +15,7 @@ require(ROOT.'/d_setting/conf_kakao.php');
 
 $SESSION = new _SESSION();
 
-use utilphp\util as util;
+
 
 if($SESSION->isLoggedIn()){
     header ('Location:i_entrance/entrance.php');
diff --git a/install.php b/install.php
index 470f4af5..3b5b5c1f 100644
--- a/install.php
+++ b/install.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 
 header('location:f_install/install.php');
\ No newline at end of file
diff --git a/j_login.php b/j_login.php
index e3bb2a02..6b1c3eca 100644
--- a/j_login.php
+++ b/j_login.php
@@ -5,7 +5,7 @@ require_once(ROOT.'/f_func/class._String.php');
 require(ROOT.'/f_func/class._Time.php');
 require_once(ROOT.'/f_config/DB.php');
 
-use utilphp\util as util;
+
 
 $SESSION = new _Session();
 if($SESSION->isLoggedIn()){
@@ -16,7 +16,7 @@ $username = mb_strtolower(util::array_get($_POST['username']), 'utf-8');
 $password = util::array_get($_POST['password']);
 
 if(!$username || !$password){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'올바르지 않은 입력입니다.'
     ]);
@@ -24,7 +24,7 @@ if(!$username || !$password){
 
 $canLogin = getRootDB()->queryFirstField('SELECT `LOGIN` FROM `SYSTEM` WHERE `NO` = 1');
 if($canLogin != 'Y'){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'현재는 로그인이 금지되어있습니다!'
     ]);
@@ -39,7 +39,7 @@ $userInfo = getRootDB()->queryFirstRow(
 ]);
 
 if(!$userInfo){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'아이디나 비밀번호가 올바르지 않습니다.'
     ]);
@@ -49,13 +49,13 @@ $nowDate = _Time::DatetimeNow();
 if($userInfo['delete_after']){
     if($userInfo['delete_after'] < $nowDate){
         getRootDB()->delete('member', 'no=%i', $userInfo['no']);
-        returnJson([
+        Json::die([
             'result'=>false,
             'reason'=>"기간 만기로 삭제되었습니다. 재 가입을 시도해주세요."
         ]);
     }
     else{
-        returnJson([
+        Json::die([
             'result'=>false,
             'reason'=>"삭제 요청된 계정입니다.[{$userInfo['delete_after']}]"
         ]);
@@ -64,7 +64,7 @@ if($userInfo['delete_after']){
 }
 
 $SESSION->login($userInfo['no'], $userInfo['id'], $userInfo['grade']);
-returnJson([
+Json::die([
     'result'=>true,
     'reason'=>'로그인 되었습니다.'
 ]);
\ No newline at end of file
diff --git a/oauth_kakao/_common.php b/oauth_kakao/_common.php
index c95ed0e0..65a25333 100644
--- a/oauth_kakao/_common.php
+++ b/oauth_kakao/_common.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 if(!defined('ROOT')){
     define('ROOT', '..');
 }
diff --git a/oauth_kakao/index.php b/oauth_kakao/index.php
index 5caa624f..d31286cb 100644
--- a/oauth_kakao/index.php
+++ b/oauth_kakao/index.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require(__DIR__.'/../d_setting/conf_kakao.php');
 ?>
 <!DOCTYPE html>
diff --git a/oauth_kakao/j_change_pw.php b/oauth_kakao/j_change_pw.php
index 7d915601..e6b99a41 100644
--- a/oauth_kakao/j_change_pw.php
+++ b/oauth_kakao/j_change_pw.php
@@ -1,4 +1,5 @@
 <?php
+namespace sammo;
 
 require('_common.php');
 require(ROOT.'/f_func/class._Session.php');
@@ -6,12 +7,12 @@ require(ROOT.'/f_config/DB.php');
 require(ROOT.'/f_func/class._Time.php');
 require('kakao.php');
 
-use utilphp\util as util;
+
 $nowDate = _Time::DatetimeNow();
 
 $SESSION = new _Session();
 if(!$SESSION->isLoggedIn()){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'로그인이 되어있지 않습니다'
     ]);
@@ -23,7 +24,7 @@ $refresh_token = util::array_get($_SESSION['refresh_token']);
 $refresh_token_expires = util::array_get($_SESSION['refresh_token_expires']);
 
 if(!$access_token || !$expires){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'카카오로그인이 이루어지지 않았습니다.'
     ]);
@@ -34,7 +35,7 @@ if(!$access_token || !$expires){
 $restAPI = new Kakao_REST_API_Helper($access_token);
 
 if($expires < $nowDate && (!$refresh_token || ($refresh_token_expires < $nowDate))){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'로그인 토큰 만료.'.$refresh_token_expires.' 다시 카카오로그인을 수행해주세요.'
     ]);
@@ -46,7 +47,7 @@ if($expires < $nowDate){
 
     $result = $restAPI->refresh_access_token($refresh_token);
     if(!isset($refresh_token)){
-        returnJson([
+        Json::die([
             'result'=>false,
             'reason'=>'카카오 로그인 과정 중 추가 갱신 절차를 실패했습니다'
         ]);
@@ -65,7 +66,7 @@ getRootDB()->query("lock tables member write, member_log write");
 $isUser = getRootDB()->queryFirstRow(
     'SELECT count(`no`) from member where no=%i',$userID);
 if(!$isUser){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'회원이 아닙니다. 관리자에게 문의해주세요.'
     ]);
@@ -87,7 +88,7 @@ $sendResult = $restAPI->talk_to_me_default([
 ]);
 $sendResult['code'] = util::array_get($sendResult['code'], 0);
 if($sendResult['code'] < 0){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'카카오톡 메시지를 보내지 못했습니다.'
     ]);
@@ -112,7 +113,7 @@ getRootDB()->insert('member_log', [
 getRootDB()->query("unlock tables");
 
 
-returnJson([
+Json::die([
     'result'=>true,
     'reason'=>'success'
 ]);
\ No newline at end of file
diff --git a/oauth_kakao/j_check_dup.php b/oauth_kakao/j_check_dup.php
index 67a26fdf..d0c40458 100644
--- a/oauth_kakao/j_check_dup.php
+++ b/oauth_kakao/j_check_dup.php
@@ -1,24 +1,26 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require('lib.join.php');
 
 
-use utilphp\util as util;
+
 
 session_start();
 
 $access_token = util::array_get($_SESSION['access_token']);
 if(!$access_token){
-    returnJson('로그인 토큰 에러. 다시 로그인을 수행해주세요.');
+    Json::die('로그인 토큰 에러. 다시 로그인을 수행해주세요.');
 }
 
 
 $value = util::array_get($_POST['value']);
 switch(util::array_get($_POST['type'])){
 case 'nickname':
-    returnJson(checkNicknameDup($value));
+    Json::die(checkNicknameDup($value));
 case 'username':
-    returnJson(checkUsernameDup($value));
+    Json::die(checkUsernameDup($value));
 }
 
-returnJson(false);
+Json::die(false);
diff --git a/oauth_kakao/j_join_process.php b/oauth_kakao/j_join_process.php
index b840f47a..1da43da7 100644
--- a/oauth_kakao/j_join_process.php
+++ b/oauth_kakao/j_join_process.php
@@ -1,16 +1,18 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require('lib.join.php');
 require_once(ROOT.'/f_func/class._Time.php');
 require('kakao.php');
 
-use utilphp\util as util;
+
 
 session_start();
 
 $canJoin = getRootDB()->queryFirstField('SELECT REG FROM `SYSTEM` WHERE `NO` = 1');
 if($canJoin != 'Y'){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'현재는 가입이 금지되어있습니다!'
     ]);
@@ -23,14 +25,14 @@ $expires = util::array_get($_SESSION['expires']);
 $refresh_token = util::array_get($_SESSION['refresh_token']);
 $refresh_token_expires = util::array_get($_SESSION['refresh_token_expires']);
 if(!$access_token){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'로그인 토큰 에러. 다시 카카오로그인을 수행해주세요.'
     ]);
 }
 if($expires < $nowDate && (!$refresh_token || ($refresh_token_expires < $nowDate))){
     unset($_SESSION['access_token']);
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'로그인 토큰 만료.'.$refresh_token_expires.' 다시 카카오로그인을 수행해주세요.'
     ]);
@@ -41,21 +43,21 @@ $password = util::array_get($_POST['password']);
 $nickname = util::array_get($_POST['nickname']);
 
 if(!$username || !$password || !$nickname){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'입력값이 설정되지 않았습니다.'
     ]);
 }
 
 if(strlen($password)!=128){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'올바르지 않은 비밀번호 해시 포맷입니다.'
     ]);
 }
 
 if(!$secret_agree){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'약관에 동의해야 가입하실 수 있습니다.'
     ]);
@@ -63,7 +65,7 @@ if(!$secret_agree){
 
 $usernameChk = checkUsernameDup($username);
 if($usernameChk !== true){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>$usernameChk
     ]);
@@ -71,7 +73,7 @@ if($usernameChk !== true){
 
 $nicknameChk = checkNicknameDup($nickname);
 if($nicknameChk !== true){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>$nicknameChk
     ]);
@@ -87,7 +89,7 @@ if($expires < $nowDate){
     $result = $restAPI->refresh_access_token($refresh_token);
     if(!isset($refresh_token)){
         unset($_SESSION['access_token']);
-        returnJson([
+        Json::die([
             'result'=>false,
             'reason'=>'카카오 로그인 과정 중 추가 갱신 절차를 실패했습니다'
         ]);
@@ -106,7 +108,7 @@ $signupResult = $restAPI->signup();
 $kakaoID = util::array_get($signupResult['id']);
 
 if(!$kakaoID && util::array_get($signupResult['msg'])!='already registered'){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'카카오 로그인 과정 중 앱 연결 절차를 실패했습니다'.json_encode($signupResult)
     ]);
@@ -116,7 +118,7 @@ $me = $restAPI->meWithEmail();
 $me['code'] = util::array_get($me['code'], 0);
 if ($me['code']< 0) {
     $restAPI->unlink();
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'카카오로그인이 정상적으로 수행되지 않았습니다.'
     ]);
@@ -124,7 +126,7 @@ if ($me['code']< 0) {
 
 if(!util::array_get($me['kaccount_email_verified'],false)){
     $restAPI->unlink();
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'카카오 계정 이메일이 아직 인증되지 않았습니다'
     ]);
@@ -135,7 +137,7 @@ $_SESSION['kaccount_email'] = $email;
 $emailChk = checkEmailDup($email);
 if($emailChk !== true){
     $restAPI->unlink();
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>$emailChk
     ]);
@@ -165,7 +167,7 @@ getRootDB()->insert('member_log', [
     ], JSON_UNESCAPED_UNICODE)
 ]);
 
-returnJson([
+Json::die([
     'result'=>true,
     'reason'=>'success'
 ]);
diff --git a/oauth_kakao/j_login_oauth.php b/oauth_kakao/j_login_oauth.php
index cc9f8fed..0cc7513e 100644
--- a/oauth_kakao/j_login_oauth.php
+++ b/oauth_kakao/j_login_oauth.php
@@ -1,10 +1,12 @@
 <?php
+namespace sammo;
+
 require('_common.php');
 require(ROOT.'/f_func/class._Session.php');
 require(ROOT.'/f_config/DB.php');
 require(ROOT.'/f_func/class._Time.php');
 require('kakao.php');
-use utilphp\util as util;
+
 
 $SESSION = new _Session();
 if($SESSION->isLoggedIn()){
@@ -13,7 +15,7 @@ if($SESSION->isLoggedIn()){
 
 $canLogin = getRootDB()->queryFirstField('SELECT `LOGIN` FROM `SYSTEM` WHERE `NO` = 1');
 if($canLogin != 'Y'){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'현재는 로그인이 금지되어있습니다!',
         'noRetry'=>true
@@ -30,7 +32,7 @@ $email = util::array_get($_SESSION['kaccount_email']);
 
 
 if(!$access_token || !$expires){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'카카오로그인이 이루어지지 않았습니다.'
     ]);
@@ -40,7 +42,7 @@ if(!$access_token || !$expires){
 $restAPI = new Kakao_REST_API_Helper($access_token);
 
 if($expires < $nowDate && (!$refresh_token || ($refresh_token_expires < $nowDate))){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'로그인 토큰 만료.'.$refresh_token_expires.' 다시 카카오로그인을 수행해주세요.'
     ]);
@@ -52,7 +54,7 @@ if($expires < $nowDate){
 
     $result = $restAPI->refresh_access_token($refresh_token);
     if(!isset($refresh_token)){
-        returnJson([
+        Json::die([
             'result'=>false,
             'reason'=>'카카오 로그인 과정 중 추가 갱신 절차를 실패했습니다'
         ]);
@@ -71,7 +73,7 @@ if(!$email){
     $me = $restAPI->meWithEmail();
     $me['code'] = util::array_get($me['code'], 0);
     if ($me['code']< 0) {
-        returnJson([
+        Json::die([
             'result'=>false,
             'reason'=>'카카오로그인이 정상적으로 수행되지 않았습니다.'
         ]);
@@ -79,7 +81,7 @@ if(!$email){
 
     if(!util::array_get($me['kaccount_email_verified'],false)){
         $restAPI->unlink();
-        returnJson([
+        Json::die([
             'result'=>false,
             'reason'=>'카카오 계정 이메일이 아직 인증되지 않았습니다'
         ]);
@@ -96,7 +98,7 @@ $userInfo = getRootDB()->queryFirstRow(
 if(!$userInfo){
     $restAPI->unlink();
     unset($_SESSION['access_token']);
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'카카오로그인에 해당하는 계정이 없습니다. 재 가입을 시도해주세요.'
     ]);
@@ -107,7 +109,7 @@ if($userInfo['delete_after']){
         $restAPI->unlink();
         unset($_SESSION['access_token']);
         getRootDB()->delete('member', 'no=%i', $userInfo['no']);
-        returnJson([
+        Json::die([
             'result'=>false,
             'reason'=>"기간 만기로 삭제되었습니다. 재 가입을 시도해주세요."
         ]);
@@ -115,7 +117,7 @@ if($userInfo['delete_after']){
     else{
         $restAPI->unlink();
         unset($_SESSION['access_token']);
-        returnJson([
+        Json::die([
             'result'=>false,
             'reason'=>"삭제 요청된 계정입니다.[{$userInfo['delete_after']}]"
         ]);
@@ -124,7 +126,7 @@ if($userInfo['delete_after']){
 }
 
 $SESSION->login($userInfo['no'], $userInfo['id'], $userInfo['grade']);
-returnJson([
+Json::die([
     'result'=>true,
     'reason'=>'로그인 되었습니다.'
 ]);
\ No newline at end of file
diff --git a/oauth_kakao/join.php b/oauth_kakao/join.php
index 6f19f60c..b5cdd41e 100644
--- a/oauth_kakao/join.php
+++ b/oauth_kakao/join.php
@@ -1,9 +1,11 @@
 <?php
+namespace sammo;
+
 require('_common.php');
 require(ROOT.'/f_func/class._Time.php');
 require_once(__dir__.'/../d_setting/conf.php');
 
-use utilphp\util as util;
+
 
 session_start();
 
diff --git a/oauth_kakao/lib.join.php b/oauth_kakao/lib.join.php
index 61d3b618..ff6cfa4e 100644
--- a/oauth_kakao/lib.join.php
+++ b/oauth_kakao/lib.join.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require_once('_common.php');
 require_once(__dir__.'/../d_setting/conf.php');
 require_once(__dir__.'/../f_func/func.php');
diff --git a/oauth_kakao/oauth.php b/oauth_kakao/oauth.php
index 6e880035..aa509da5 100644
--- a/oauth_kakao/oauth.php
+++ b/oauth_kakao/oauth.php
@@ -1,8 +1,10 @@
 <?php
+namespace sammo;
+
 require('_common.php');
 require(ROOT.'/f_func/class._Time.php');
 require('kakao.php');
-use utilphp\util as util;
+
 
 $auth_code = util::array_get($_GET['code']);
 if(!$auth_code){
diff --git a/src/Json.php b/src/Json.php
new file mode 100644
index 00000000..8b6ee10d
--- /dev/null
+++ b/src/Json.php
@@ -0,0 +1,40 @@
+<?php
+namespace sammo;
+
+class Json{
+    private static function setHeaderNoCache(){
+        if(!headers_sent()) {
+            header('Expires: Wed, 01 Jan 2014 00:00:00 GMT');
+            header('Cache-Control: no-store, no-cache, must-revalidate');
+            header('Cache-Control: post-check=0, pre-check=0', FALSE);
+            header('Pragma: no-cache');
+        }
+    }
+
+    public static function encode($value, $pretty = false){
+        if($pretty){
+            $flag = JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT;
+        }
+        else{
+            $flag = JSON_UNESCAPED_UNICODE;
+        }
+        return json_encode($value, $flag); 
+    }
+
+    public static function decode($value){
+        return json_decode($value, true);
+    }
+
+    public static function die($value, $noCache = true, $pretty = false, $die = true){
+        if($noCache){
+            self::setHeaderNoCache();
+        }
+        
+        header('Content-Type: application/json');
+    
+        echo Json::encode($value, $pretty); 
+        if($die){
+            die();
+        }
+    }
+}
\ No newline at end of file
diff --git a/f_func/class._Lock.php b/src/Lock.php
similarity index 77%
rename from f_func/class._Lock.php
rename to src/Lock.php
index a858bc38..36fcc213 100644
--- a/f_func/class._Lock.php
+++ b/src/Lock.php
@@ -1,11 +1,11 @@
 <?php
-require_once('_common.php');
+namespace sammo;
 
-class _Lock {
+class Lock {
     private static $l = ROOT.'/d_log/lock.txt';
 
     public static function Busy() {
-        $fp = fopen(_Lock::$l, 'r');
+        $fp = fopen(Lock::$l, 'r');
         $lock = fread($fp, 1);
         fclose($fp);
 
@@ -14,13 +14,13 @@ class _Lock {
     }
 
     private static function LockFile() {
-        $fp = fopen(_Lock::$l, 'r');
+        $fp = fopen(Lock::$l, 'r');
         $lock = fread($fp, 1);
         fclose($fp);
 
         if($lock == 1) return false;
 
-        $fp = fopen(_Lock::$l, 'w');
+        $fp = fopen(Lock::$l, 'w');
         if(!flock($fp, LOCK_EX)) { return false; }
         fwrite($fp, '1');
         fclose($fp);
@@ -30,13 +30,13 @@ class _Lock {
     }
 
     private static function UnlockFile() {
-        $fp = fopen(_Lock::$l, 'r');
+        $fp = fopen(Lock::$l, 'r');
         $lock = fread($fp, 1);
         fclose($fp);
 
         if($lock == 0) return false;
 
-        $fp = fopen(_Lock::$l, 'w');
+        $fp = fopen(Lock::$l, 'w');
         if(!flock($fp, LOCK_EX)) { return false; }
         fwrite($fp, '0');
         fclose($fp);
@@ -48,19 +48,19 @@ class _Lock {
     public static function Lock() {
 /*
         // 키 생성
-        $key = fileinode(_Lock::$l);
+        $key = fileinode(Lock::$l);
         // 뮤텍스 획득
         $mutex = sem_get($key);
         // 락 획득
         sem_acquire($mutex);
 */
         // 파일에 잠금 걸기
-        return _Lock::LockFile();
+        return Lock::LockFile();
     }
 
     public static function Unlock() {
         // 파일에 잠금 풀기
-        $res = _Lock::UnlockFile();
+        $res = Lock::UnlockFile();
 /*
         // 락 해제
         sem_release($mutex);
diff --git a/src/Util.php b/src/Util.php
new file mode 100644
index 00000000..a629aaae
--- /dev/null
+++ b/src/Util.php
@@ -0,0 +1,5 @@
+<?php
+namespace sammo;
+
+class util extends utilphp\util{
+};
\ No newline at end of file
diff --git a/test.php b/test.php
new file mode 100644
index 00000000..995be663
--- /dev/null
+++ b/test.php
@@ -0,0 +1,7 @@
+<?php
+namespace sammo;
+require('vendor/autoload.php');
+
+Json::die([
+    'haha'
+]);
\ No newline at end of file
diff --git a/tmp_msg/add_msg_dummy.php b/tmp_msg/add_msg_dummy.php
index d95645df..7590ca75 100644
--- a/tmp_msg/add_msg_dummy.php
+++ b/tmp_msg/add_msg_dummy.php
@@ -1,6 +1,6 @@
 <?php
 require('../twe/lib.php');
-use utilphp\util as util;
+
 
 $jsonPost = parseJsonPost();
 
diff --git a/tmp_msg/json_result.php b/tmp_msg/json_result.php
index 71f56de2..ceccec0f 100644
--- a/tmp_msg/json_result.php
+++ b/tmp_msg/json_result.php
@@ -1,6 +1,6 @@
 <?php
 require('../twe/lib.php');
-use utilphp\util as util;
+
 /*
 원래대로라면 json을 돌려주는게 맞지만
 refresh를 반영해야하므로 php로 중계해서 반환함! 
diff --git a/tmp_msg/prompt_dummy.php b/tmp_msg/prompt_dummy.php
index d036c30e..b352b94d 100644
--- a/tmp_msg/prompt_dummy.php
+++ b/tmp_msg/prompt_dummy.php
@@ -1,6 +1,6 @@
 <?php
 require('../twe/lib.php');
-use utilphp\util as util;
+
 
 $jsonPost = parseJsonPost();
 
diff --git a/twe/MYDB.php b/twe/MYDB.php
index 708a2533..18660b96 100644
--- a/twe/MYDB.php
+++ b/twe/MYDB.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 
 function MYDB_connect($host, $id, $pw) {
     $conn = mysqli_connect($host, $id, $pw);
diff --git a/twe/_119.php b/twe/_119.php
index 02c97954..27195d82 100644
--- a/twe/_119.php
+++ b/twe/_119.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 
diff --git a/twe/_119_b.php b/twe/_119_b.php
index 953677e2..b7800f15 100644
--- a/twe/_119_b.php
+++ b/twe/_119_b.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 
diff --git a/twe/_admin1.php b/twe/_admin1.php
index b6ad12cf..27d6fc0c 100644
--- a/twe/_admin1.php
+++ b/twe/_admin1.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/_admin1_submit.php b/twe/_admin1_submit.php
index 75d6bf8d..6115a6b6 100644
--- a/twe/_admin1_submit.php
+++ b/twe/_admin1_submit.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/_admin2.php b/twe/_admin2.php
index dff02ba6..abe8e636 100644
--- a/twe/_admin2.php
+++ b/twe/_admin2.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/_admin2_submit.php b/twe/_admin2_submit.php
index 457b00bc..3e1a58e2 100644
--- a/twe/_admin2_submit.php
+++ b/twe/_admin2_submit.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/_admin4.php b/twe/_admin4.php
index 581222df..c0d14f3f 100644
--- a/twe/_admin4.php
+++ b/twe/_admin4.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/_admin4_submit.php b/twe/_admin4_submit.php
index 4639d248..64a0ddfa 100644
--- a/twe/_admin4_submit.php
+++ b/twe/_admin4_submit.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/_admin5.php b/twe/_admin5.php
index c8d2d418..ffa19f83 100644
--- a/twe/_admin5.php
+++ b/twe/_admin5.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/_admin5_submit.php b/twe/_admin5_submit.php
index 9214b57e..8a87f476 100644
--- a/twe/_admin5_submit.php
+++ b/twe/_admin5_submit.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/_admin6.php b/twe/_admin6.php
index 7ad440fb..fcda6126 100644
--- a/twe/_admin6.php
+++ b/twe/_admin6.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/_admin7.php b/twe/_admin7.php
index 183497cc..34c4efa6 100644
--- a/twe/_admin7.php
+++ b/twe/_admin7.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/_admin8.php b/twe/_admin8.php
index b12f32a0..ba61fb96 100644
--- a/twe/_admin8.php
+++ b/twe/_admin8.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/_simul.php b/twe/_simul.php
index 62cfa190..f4a05b61 100644
--- a/twe/_simul.php
+++ b/twe/_simul.php
@@ -1,8 +1,10 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 
-use utilphp\util as util;
+
 
 //로그인 검사
 
diff --git a/twe/a_bestGeneral.php b/twe/a_bestGeneral.php
index 46c73db6..046b026b 100644
--- a/twe/a_bestGeneral.php
+++ b/twe/a_bestGeneral.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/a_emperior.php b/twe/a_emperior.php
index d40d1a7b..053a057c 100644
--- a/twe/a_emperior.php
+++ b/twe/a_emperior.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 $connect = dbConn();
diff --git a/twe/a_emperior2.php b/twe/a_emperior2.php
index b95859b6..63aee90a 100644
--- a/twe/a_emperior2.php
+++ b/twe/a_emperior2.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 $connect = dbConn();
diff --git a/twe/a_genList.php b/twe/a_genList.php
index 6cf49ba6..627f3c12 100644
--- a/twe/a_genList.php
+++ b/twe/a_genList.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/a_hallOfFame.php b/twe/a_hallOfFame.php
index 075ee753..4435db1f 100644
--- a/twe/a_hallOfFame.php
+++ b/twe/a_hallOfFame.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 $connect = dbConn();
diff --git a/twe/a_history.php b/twe/a_history.php
index 98ec0587..f41379e9 100644
--- a/twe/a_history.php
+++ b/twe/a_history.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 $yearmonth = $_POST['yearmonth'];
diff --git a/twe/a_kingdomList.php b/twe/a_kingdomList.php
index ee47d77a..34f80b15 100644
--- a/twe/a_kingdomList.php
+++ b/twe/a_kingdomList.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/a_npcList.php b/twe/a_npcList.php
index 4b16f96c..99280414 100644
--- a/twe/a_npcList.php
+++ b/twe/a_npcList.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 $connect = dbConn();
diff --git a/twe/a_status.php b/twe/a_status.php
index 6f74094e..551f4f3f 100644
--- a/twe/a_status.php
+++ b/twe/a_status.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/a_traffic.php b/twe/a_traffic.php
index 4257e768..a5a5a184 100644
--- a/twe/a_traffic.php
+++ b/twe/a_traffic.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 $connect = dbConn();
diff --git a/twe/a_vote.php b/twe/a_vote.php
index 7d5860f5..d1ebd7e5 100644
--- a/twe/a_vote.php
+++ b/twe/a_vote.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 $connect = dbConn();
diff --git a/twe/b_auction.php b/twe/b_auction.php
index 205174c7..70d39471 100644
--- a/twe/b_auction.php
+++ b/twe/b_auction.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_battleCenter.php b/twe/b_battleCenter.php
index 8a2df7f3..3ad6ff00 100644
--- a/twe/b_battleCenter.php
+++ b/twe/b_battleCenter.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_betting.php b/twe/b_betting.php
index 5fa4db01..6bd040cf 100644
--- a/twe/b_betting.php
+++ b/twe/b_betting.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_chiefboard.php b/twe/b_chiefboard.php
index 17911e83..188a4b4b 100644
--- a/twe/b_chiefboard.php
+++ b/twe/b_chiefboard.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_chiefcenter.php b/twe/b_chiefcenter.php
index 2e7f71d9..9a10f92a 100644
--- a/twe/b_chiefcenter.php
+++ b/twe/b_chiefcenter.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_currentCity.php b/twe/b_currentCity.php
index f7caea7c..78031d73 100644
--- a/twe/b_currentCity.php
+++ b/twe/b_currentCity.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_dipcenter.php b/twe/b_dipcenter.php
index 8de305a0..26859e18 100644
--- a/twe/b_dipcenter.php
+++ b/twe/b_dipcenter.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_diplomacy.php b/twe/b_diplomacy.php
index cd95cd66..1e913e62 100644
--- a/twe/b_diplomacy.php
+++ b/twe/b_diplomacy.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_genList.php b/twe/b_genList.php
index 8955dc00..85ab2c2e 100644
--- a/twe/b_genList.php
+++ b/twe/b_genList.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_myBossInfo.php b/twe/b_myBossInfo.php
index 380e7b99..b522df83 100644
--- a/twe/b_myBossInfo.php
+++ b/twe/b_myBossInfo.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_myCityInfo.php b/twe/b_myCityInfo.php
index b4f0dc94..95aee7a0 100644
--- a/twe/b_myCityInfo.php
+++ b/twe/b_myCityInfo.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_myGenInfo.php b/twe/b_myGenInfo.php
index f4577cba..2c6d2fcd 100644
--- a/twe/b_myGenInfo.php
+++ b/twe/b_myGenInfo.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_myKingdomInfo.php b/twe/b_myKingdomInfo.php
index d4ede5f6..c818dd93 100644
--- a/twe/b_myKingdomInfo.php
+++ b/twe/b_myKingdomInfo.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_myPage.php b/twe/b_myPage.php
index c9b34ce3..6302adb9 100644
--- a/twe/b_myPage.php
+++ b/twe/b_myPage.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_nationboard.php b/twe/b_nationboard.php
index 8ac3b3de..bab02e26 100644
--- a/twe/b_nationboard.php
+++ b/twe/b_nationboard.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_nationrule.php b/twe/b_nationrule.php
index 6401c486..0dc7991e 100644
--- a/twe/b_nationrule.php
+++ b/twe/b_nationrule.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_tournament.php b/twe/b_tournament.php
index 26a368e2..03e74891 100644
--- a/twe/b_tournament.php
+++ b/twe/b_tournament.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/b_troop.php b/twe/b_troop.php
index 82112de5..81a0be1f 100644
--- a/twe/b_troop.php
+++ b/twe/b_troop.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/c_auction.php b/twe/c_auction.php
index e5e39a7a..8e06a05a 100644
--- a/twe/c_auction.php
+++ b/twe/c_auction.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/c_betting.php b/twe/c_betting.php
index f3ed364d..120ab099 100644
--- a/twe/c_betting.php
+++ b/twe/c_betting.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 
diff --git a/twe/c_chiefboard.php b/twe/c_chiefboard.php
index 14885ac5..6f81912a 100644
--- a/twe/c_chiefboard.php
+++ b/twe/c_chiefboard.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 // $title, $msg, $num
diff --git a/twe/c_dipcenter.php b/twe/c_dipcenter.php
index dcac0786..a46ba4a1 100644
--- a/twe/c_dipcenter.php
+++ b/twe/c_dipcenter.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 // $btn, $msg, $scoutmsg, $rate, $bill, $secretlimit
diff --git a/twe/c_double.php b/twe/c_double.php
index 28fd8973..74d894ac 100644
--- a/twe/c_double.php
+++ b/twe/c_double.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 // $turn, $command, $cost, $name, $nationname, $note, $double, $third, $fourth
diff --git a/twe/c_myBossInfo.php b/twe/c_myBossInfo.php
index e009ac2c..2b2c18aa 100644
--- a/twe/c_myBossInfo.php
+++ b/twe/c_myBossInfo.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 // $btn, $level, $genlist, $outlist
diff --git a/twe/c_nationboard.php b/twe/c_nationboard.php
index 0c710163..310fb45c 100644
--- a/twe/c_nationboard.php
+++ b/twe/c_nationboard.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 // $title, $msg, $num
diff --git a/twe/c_nationrule.php b/twe/c_nationrule.php
index 8233fc96..feb42734 100644
--- a/twe/c_nationrule.php
+++ b/twe/c_nationrule.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 // $msg
diff --git a/twe/c_tournament.php b/twe/c_tournament.php
index 487da870..1920377a 100644
--- a/twe/c_tournament.php
+++ b/twe/c_tournament.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 // $btn, $msg
diff --git a/twe/c_troop.php b/twe/c_troop.php
index 57dd1e01..63858180 100644
--- a/twe/c_troop.php
+++ b/twe/c_troop.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 // $btn, $name, $troop
diff --git a/twe/c_vacation.php b/twe/c_vacation.php
index 60171848..f8700970 100644
--- a/twe/c_vacation.php
+++ b/twe/c_vacation.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/c_vote.php b/twe/c_vote.php
index 28ecb548..8fa797ff 100644
--- a/twe/c_vote.php
+++ b/twe/c_vote.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/commandlist.php b/twe/commandlist.php
index 03032f82..74abcbb4 100644
--- a/twe/commandlist.php
+++ b/twe/commandlist.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/d_ally.php b/twe/d_ally.php
index e3cb5feb..480b117b 100644
--- a/twe/d_ally.php
+++ b/twe/d_ally.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/d_cancel.php b/twe/d_cancel.php
index 042ce22a..960027cd 100644
--- a/twe/d_cancel.php
+++ b/twe/d_cancel.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/d_cease.php b/twe/d_cease.php
index 5ce96e13..c6a185f6 100644
--- a/twe/d_cease.php
+++ b/twe/d_cease.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/d_merge.php b/twe/d_merge.php
index 7b2468ae..9b871c9f 100644
--- a/twe/d_merge.php
+++ b/twe/d_merge.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/d_scout.php b/twe/d_scout.php
index 19c16c69..ac32fd25 100644
--- a/twe/d_scout.php
+++ b/twe/d_scout.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 //TODO: 등용장 재 디자인.
 //xxx: 일단 비활성화
 header('Location:msglist.php');
diff --git a/twe/d_setting/_common.php b/twe/d_setting/_common.php
index 4c6c31a2..3dced746 100644
--- a/twe/d_setting/_common.php
+++ b/twe/d_setting/_common.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 if(!defined('ROOT')){
     define('ROOT', '../..');
 }
diff --git a/twe/d_surrender.php b/twe/d_surrender.php
index dee6a3e5..846567af 100644
--- a/twe/d_surrender.php
+++ b/twe/d_surrender.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/error.php b/twe/error.php
index 21d58b7e..576422f2 100644
--- a/twe/error.php
+++ b/twe/error.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 file_put_contents("logs/_db_bug.txt", $message."\n", FILE_APPEND);
 ?>
 <!DOCTYPE html>
diff --git a/twe/event_1.php b/twe/event_1.php
index e6a06687..e31228bf 100644
--- a/twe/event_1.php
+++ b/twe/event_1.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //////////////////////////장수성격//////////////////////////////////////////////
diff --git a/twe/event_2.php b/twe/event_2.php
index 65ade734..5d0ad5c9 100644
--- a/twe/event_2.php
+++ b/twe/event_2.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //////////////////////////장수성격//////////////////////////////////////////////
diff --git a/twe/event_3.php b/twe/event_3.php
index 5d131d61..78fc67af 100644
--- a/twe/event_3.php
+++ b/twe/event_3.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //////////////////////////장수성격//////////////////////////////////////////////
diff --git a/twe/event_4.php b/twe/event_4.php
index 812f22f4..8c12edc9 100644
--- a/twe/event_4.php
+++ b/twe/event_4.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 
diff --git a/twe/func.php b/twe/func.php
index f0131273..7c773fed 100644
--- a/twe/func.php
+++ b/twe/func.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require(__dir__.'/../vendor/autoload.php');
 require_once(__dir__.'/d_setting/conf.php');
 require_once 'process_war.php';
@@ -22,7 +24,7 @@ require_once('func_map.php');
 require_once('func_diplomacy.php');
 require_once('func_command.php');
 
-use utilphp\util as util;
+
 
 /** 
  * 0.0~1.0 사이의 랜덤 float
diff --git a/twe/func_auction.php b/twe/func_auction.php
index ccc767b6..48317180 100644
--- a/twe/func_auction.php
+++ b/twe/func_auction.php
@@ -1,4 +1,5 @@
 <?php
+namespace sammo;
 
 function GetStuffName($stuff) {
     $type1 = $stuff % 10;
diff --git a/twe/func_diplomacy.php b/twe/func_diplomacy.php
index e33ee47f..99103b47 100644
--- a/twe/func_diplomacy.php
+++ b/twe/func_diplomacy.php
@@ -2,7 +2,7 @@
 require_once(__dir__.'/d_setting/conf.php');
 require(__dir__.'/../vendor/autoload.php');
 
-use utilphp\util as util;
+
 
 function checkScoutAvailable($messageInfo, $general, $srcGeneral, $startyear, $year){
     $nationID = $messageInfo['src']['nationID'];
diff --git a/twe/func_history.php b/twe/func_history.php
index d13e39b9..220985ca 100644
--- a/twe/func_history.php
+++ b/twe/func_history.php
@@ -1,7 +1,9 @@
 <?php
+namespace sammo;
+
 require(__dir__.'/../vendor/autoload.php');
 
-use utilphp\util as util;
+
 
 function getHistory($count, $year, $month, $isFirst=0) {
     $fp = @fopen("logs/_history.txt", "r");
diff --git a/twe/func_legacy.php b/twe/func_legacy.php
index e199961f..224f357f 100644
--- a/twe/func_legacy.php
+++ b/twe/func_legacy.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 
 function CheckLogin($type=0) {
     if(!isset($_SESSION['noMember'])) {
diff --git a/twe/func_message.php b/twe/func_message.php
index ab309f77..d9e5a22d 100644
--- a/twe/func_message.php
+++ b/twe/func_message.php
@@ -2,7 +2,7 @@
 require_once(__dir__.'/d_setting/conf.php');
 require(__dir__.'/../vendor/autoload.php');
 
-use utilphp\util as util;
+
 
 class Message{
     //기본 정보
diff --git a/twe/func_npc.php b/twe/func_npc.php
index e374250c..c0ff53e8 100644
--- a/twe/func_npc.php
+++ b/twe/func_npc.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 
 include('func_regnpc.php');
 
diff --git a/twe/func_process.php b/twe/func_process.php
index 53f7e5c5..9e68d4fb 100644
--- a/twe/func_process.php
+++ b/twe/func_process.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 
 /**
  * 장수의 통솔을 받아옴
diff --git a/twe/func_regnpc.php b/twe/func_regnpc.php
index 6f09155c..a84f3167 100644
--- a/twe/func_regnpc.php
+++ b/twe/func_regnpc.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 
 function RegNPC($connect) {
     $query = "select startyear,year,turnterm,scenario,extend,fiction,img from game where no='1'";
diff --git a/twe/func_string.php b/twe/func_string.php
index 5543bfe5..41adcd83 100644
--- a/twe/func_string.php
+++ b/twe/func_string.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 
 function getFont($str) {
     if(strlen($str) >= 22) { $str = "<font size=1>{$str}</font>"; }
diff --git a/twe/func_template.php b/twe/func_template.php
index 227cc967..1d41b815 100644
--- a/twe/func_template.php
+++ b/twe/func_template.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 
 /**
  * 템플릿 생성과 관련된 함수들을 모아두는 파일
diff --git a/twe/func_tournament.php b/twe/func_tournament.php
index 953ab898..3aefafdb 100644
--- a/twe/func_tournament.php
+++ b/twe/func_tournament.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 
 function processTournament($connect) {
     $query = "select tournament,phase,tnmt_type,tnmt_auto,tnmt_time,now() as now,TIMESTAMPDIFF(SECOND,tnmt_time,now()) as offset from game where no=1";
diff --git a/twe/index.php b/twe/index.php
index 865b7d04..47a089c8 100644
--- a/twe/index.php
+++ b/twe/index.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 
diff --git a/twe/j_adjust_icon.php b/twe/j_adjust_icon.php
index 0d79da84..413e62f8 100644
--- a/twe/j_adjust_icon.php
+++ b/twe/j_adjust_icon.php
@@ -7,14 +7,14 @@ $generalID = getGeneralID();
 session_write_close();
 
 if(!$userID){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'로그인되지 않았습니다.'
     ]);
 }
 
 if(!$generalID){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'장수를 생성하지 않았습니다.'
     ]);
@@ -26,7 +26,7 @@ $db = getDB();
 $image = $rootDB->queryFirstRow('SELECT picture, imgsvr FROM `MEMBER` WHERE no = %i', $userID);
 
 if(!$image){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'회원 기록 정보가 없습니다'
     ]);
@@ -37,7 +37,7 @@ $db->update('general', [
     'imgsvr'=>$image['imgsvr']
 ], 'owner = %i and npc = 0', $userID);
 
-returnJson([
+Json::die([
     'result'=>true,
     'reason'=>'success'
 ]);
\ No newline at end of file
diff --git a/twe/j_basic_info.php b/twe/j_basic_info.php
index f1035589..157c5a96 100644
--- a/twe/j_basic_info.php
+++ b/twe/j_basic_info.php
@@ -12,16 +12,16 @@ $generalID = getGeneralID();
 session_write_close();
 
 if(!$generalID){
-    returnJson($result);
+    Json::die($result);
 }
 
 $generalInfo = getDB()->queryFirstRow('SELECT `nation`, `level` from `general` where `id`=%i', $generalID);
 if(!$generalInfo){
-    returnJson($result);
+    Json::die($result);
 }
 
 $result['generalID'] = $generalID;
 $result['myNationID'] = $generalInfo['nation'];
 $result['isChief'] = ($generalInfo['level'] == 12);
 
-returnJson($result);
\ No newline at end of file
+Json::die($result);
\ No newline at end of file
diff --git a/twe/j_build_conf.php b/twe/j_build_conf.php
index ca7d8d15..0d50b0a4 100644
--- a/twe/j_build_conf.php
+++ b/twe/j_build_conf.php
@@ -1,7 +1,7 @@
 <?php
 require(__dir__.'/../vendor/autoload.php');
 require(__dir__.'/../d_setting/conf.php');
-use utilphp\util as util;
+
 
 /**
  * conf.php 파일 생성용 코드
@@ -9,15 +9,6 @@ use utilphp\util as util;
  * 이 파일만 예외적으로 lib.php, func.php를 참조하지 않고 독자적으로 동작함.
  */
 
-function SetHeaderNoCache(){
-    if(!headers_sent()) {
-        header('Expires: Wed, 01 Jan 2014 00:00:00 GMT');
-        header('Cache-Control: no-store, no-cache, must-revalidate');
-        header('Cache-Control: post-check=0, pre-check=0', FALSE);
-        header('Pragma: no-cache');
-    }
-}
-
 function parseJsonPost(){
     // http://thisinterestsme.com/receiving-json-post-data-via-php/
     // http://thisinterestsme.com/php-json-error-handling/
@@ -76,27 +67,8 @@ function parseJsonPost(){
     return $decoded;
 }
 
-function returnJson($value, $noCache = true, $pretty = false, $die = true){
-    if($noCache){
-        SetHeaderNoCache();
-    }
-    
-    header('Content-Type: application/json');
-
-    if($pretty){
-        $flag = JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT;
-    }
-    else{
-        $flag = JSON_UNESCAPED_UNICODE;
-    }
-    echo json_encode($value, $flag); 
-    if($die){
-        die();
-    }
-}
-
 if(file_exist(__dir__.'/d_setting/conf.php')){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'이미 설정 파일이 존재합니다.'
     ]);
diff --git a/twe/j_get_new_msg.php b/twe/j_get_new_msg.php
index 641a6164..e3d6eac6 100644
--- a/twe/j_get_new_msg.php
+++ b/twe/j_get_new_msg.php
@@ -2,7 +2,7 @@
 include('lib.php');
 include('func.php');
 
-use utilphp\util as util;
+
 
 $generalID = getGeneralID();
 
@@ -20,13 +20,13 @@ $nationID = getDB()->queryFirstField(
 
 
 if($nationID === null){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'소속 국가가 없습니다'
     ]);
 }
 
-returnJson([
+Json::die([
     'result'=>true,
     'private'=>getMessage('private', $nationID, 10, $reqSequence),
     'public'=>getMessage('public', $nationID, 20, $reqSequence),
diff --git a/twe/j_get_scenario_map.php b/twe/j_get_scenario_map.php
index 3f8ba558..0acc9356 100644
--- a/twe/j_get_scenario_map.php
+++ b/twe/j_get_scenario_map.php
@@ -4,10 +4,10 @@ require(__DIR__.'/../f_func/func.php');
 require(__DIR__.'/../f_config/SESSION.php');
 require('func_install.php');
 
-use utilphp\util as util;
+
 
 if($SESSION->getGrade() < 5){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'충분한 권한을 가지고 있지 않습니다.'
     ]);
@@ -16,7 +16,7 @@ if($SESSION->getGrade() < 5){
 $scenarioIdx = toInt(util::array_get($_GET['scenarioIdx']));
 
 if($scenarioIdx === null){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'올바르지 않은 scenarioIdx'
     ]);
diff --git a/twe/j_map.php b/twe/j_map.php
index 8d0e4b89..ef162291 100644
--- a/twe/j_map.php
+++ b/twe/j_map.php
@@ -1,8 +1,10 @@
 <?php
+namespace sammo;
+
 include 'lib.php';
 include 'func.php';
 
-use utilphp\util as util;
+
 
 getGeneralID();
 
@@ -21,7 +23,7 @@ $post = array_merge($defaultPost, parseJsonPost());
 
 if($post['year']){
     if($post['month'] < 1 || $post['month'] > 12){
-        returnJson([
+        Json::die([
             'result'=>false,
             'reason'=>'잘못된 개월 값'
         ]);
@@ -38,8 +40,8 @@ else{
 $result = getWorldMap($post);
 if($post['year'] && $post['month'] && $result['result']){
     //연감 자료는 캐싱 가능
-    returnJson($result, false);
+    Json::die($result, false);
 }
 else{
-    returnJson($result);
+    Json::die($result);
 }
diff --git a/twe/j_msg_contact_list.php b/twe/j_msg_contact_list.php
index 991cced0..3f17e8c1 100644
--- a/twe/j_msg_contact_list.php
+++ b/twe/j_msg_contact_list.php
@@ -2,16 +2,16 @@
 include('lib.php');
 include('func.php');
 
-use utilphp\util as util;
+
 
 if(!getGeneralID()){
-    returnJson([
+    Json::die([
         "nation"=>[]
     ]);
 }
 
 //NOTE: 모든 국가, 모든 장수에 대해서 같은 결과라면 캐싱 가능하지 않을까?
 
-returnJson([
+Json::die([
     "nation"=>getMailboxList()
 ]);
\ No newline at end of file
diff --git a/twe/j_msg_decide_opt.php b/twe/j_msg_decide_opt.php
index 554a908d..c6e61b25 100644
--- a/twe/j_msg_decide_opt.php
+++ b/twe/j_msg_decide_opt.php
@@ -4,12 +4,12 @@ include 'func.php';
 
 //{msgID: 1206, response: true}
 
-use utilphp\util as util;
+
 
 $generalID = getGeneralID();
 
 if (!$generalID) {
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'로그인하지 않음'
     ]);
@@ -23,7 +23,7 @@ $msgID = toInt(util::array_get($jsonPost['msgID'], null), false);
 $msgResponse = util::array_get($jsonPost['response'], null);
 
 if ($msgID === null || !is_bool($msgResponse)) {
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'올바르지 않은 인자'
     ]);
@@ -32,7 +32,7 @@ if ($msgID === null || !is_bool($msgResponse)) {
 
 $general = getDB()->queryFirstRow('select `no`, `name`, `nation`, `nations`, `level`, `npc`, `gold`, `rice`, `troop` from `general` where `no` = %i', $generalID);
 if(!$general){
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'존재하지 않는 장수'
     ]);
@@ -41,7 +41,7 @@ if(!$general){
 $result = getSingleMessage($msgID, $general);
 
 if (!$result[0]) {
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>$result[1]
     ]);
@@ -54,7 +54,7 @@ $msgType = $messageInfo['type'];
 $validUntil = $messageInfo['valid_until'];
 $date = date('Y-m-d H:i:s');
 if ($validUntil < $date) {
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'만료된 메시지'
     ]);
@@ -70,7 +70,7 @@ $msgDest = json_decode($messageInfo['dest']);
 $messageInfo['dest'] = $msgDest;
 
 if (!$msgAction) {
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'응답 대상 메시지 아님'
     ]);
@@ -78,7 +78,7 @@ if (!$msgAction) {
 
 if ($msgType == 'diplomacy' && $msgSrc['nation_id'] != $msgDest['nation_id']) {
     //여기로 올일이 있나?
-    returnJson([
+    Json::die([
         'result'=>false,
         'reason'=>'(버그) 외교 대상 동일'
     ]);
@@ -86,14 +86,14 @@ if ($msgType == 'diplomacy' && $msgSrc['nation_id'] != $msgDest['nation_id']) {
 
 if($msgType == 'diplomacy'){
     if($general['level'] < 6){
-        returnJson([
+        Json::die([
             'result'=>false,
             'reason'=>'외교 권한 없음'
         ]);
     }   
 
     if($general['nation'] != $msgDest['nation_id']){
-        returnJson([
+        Json::die([
             'result'=>false,
             'reason'=>'올바르지 않은 소속 국가'
         ]);
@@ -110,7 +110,7 @@ case 'ally':
     break;
     //TODO:기타 등등
 case '':
-    returnJson([]);
+    Json::die([]);
     break;
 default:
     //구현이 정상적으로 된 경우 이쪽으로 오지 않음
@@ -118,7 +118,7 @@ default:
 }
 
 
-returnJson([
+Json::die([
     'result' => $result[0],
     'reason' => $result[1]
 ]);
\ No newline at end of file
diff --git a/twe/j_msgsubmit.php b/twe/j_msgsubmit.php
index 8e21f741..beb252a1 100644
--- a/twe/j_msgsubmit.php
+++ b/twe/j_msgsubmit.php
@@ -1,8 +1,10 @@
 <?php
+namespace sammo;
+
 include 'lib.php';
 include 'func.php';
 
-use utilphp\util as util;
+
 
 /**
  * 메시지 전송 코드.
@@ -16,7 +18,7 @@ session_write_close();
 $post = parseJsonPost();
 
 if(!isset($post['genlist']) || !isset($post['msg'])){
-    returnJson([
+    Json::die([
         'result' => false,
         'reason' => '올바르지 않은 호출입니다.',
         'newSeq' => false
@@ -31,7 +33,7 @@ $date = $datetime->format('Y-m-d H:i:s');
 
 //로그인 검사
 if(!isSigned()){
-    returnJson([
+    Json::die([
         'result' => false,
         'reason' => '로그인되지 않았습니다.',
         'newSeq' => false
@@ -45,7 +47,7 @@ $connect = dbConn();
 increaseRefresh('서신전달', 1);
 
 if(getBlockLevel() == 1 || getBlockLevel() == 3) {
-    returnJson([
+    Json::die([
         'result' => false,
         'reason' => '차단되었습니다.',
         'newSeq' => false
@@ -58,7 +60,7 @@ $me = $db->queryFirstRow('select `no`,`name`,`nation`,`level`,`con`,`picture`,`i
 
 if(!$me){
     resetSessionGeneralValues();
-    returnJson([
+    Json::die([
         'result' => false,
         'reason' => '로그인되지 않았습니다.',
         'newSeq' => false
@@ -67,7 +69,7 @@ if(!$me){
 
 $con = checkLimit($me['con'], $conlimit);
 if($con >= 2) { 
-    returnJson([
+    Json::die([
         'result' => false,
         'reason' => '접속 제한입니다.',
         'newSeq' => false
@@ -79,7 +81,7 @@ $msg = mb_substr($msg, 0, 99, 'UTF-8');
 $msg = trim($msg);
 
 if($msg == ''){
-    returnJson([
+    Json::die([
         'result' => true,
         'reason' => 'SUCCESS',
         'newSeq' => false
@@ -123,7 +125,7 @@ if($destMailbox == 9999) {
     $msg_interval = $datetime->getTimestamp() - $last_msg->getTimestamp();
     //NOTE: 여기서 유저 레벨을 구별할 코드가 필요할까?
     if($msg_interval < 2){
-        returnJson([
+        Json::die([
             'result' => false,
             'reason' => '개인메세지는 2초당 1건만 보낼 수 있습니다!',
             'newSeq' => false
@@ -133,7 +135,7 @@ if($destMailbox == 9999) {
     $destUser = $db->queryFirstRow('select `no`,`name`,`nation` from `general` where `no` = %s',$destMailbox);
 
     if($destUser == null || empty($destUser)){
-        returnJson([
+        Json::die([
             'result' => false,
             'reason' => '존재하지 않는 유저입니다.',
             'newSeq' => false
@@ -151,14 +153,14 @@ if($destMailbox == 9999) {
     sendMessage('private', $src, $dest, $msg, $date);
 }
 else{
-    returnJson([
+    Json::die([
         'result' => false,
         'reason' => '알 수 없는 에러',
         'newSeq' => false
     ]);
 }
 
-returnJson([
+Json::die([
     'result' => true,
     'reason' => 'SUCCESS',
     'newSeq' => true
diff --git a/twe/j_server_basic_info.php b/twe/j_server_basic_info.php
index df5b6f40..d8a69599 100644
--- a/twe/j_server_basic_info.php
+++ b/twe/j_server_basic_info.php
@@ -3,7 +3,7 @@ include "lib.php";
 include "func.php";
 
 if(!getUserID()){
-    returnJson([
+    Json::die([
         'game'=>'x',
         'me'=>'no'
     ]);
@@ -88,7 +88,7 @@ if($generalID){
 }
 
 //TODO: 이를 표현하는 방법은 '이전 버전'의 serverListPost.php를 참고할 것.
-returnJson([
+Json::die([
     'game'=>$game,
     'me'=>$me?$me:null
 ]);
\ No newline at end of file
diff --git a/twe/j_turn.php b/twe/j_turn.php
index 8ddfb695..48e4e6d3 100644
--- a/twe/j_turn.php
+++ b/twe/j_turn.php
@@ -2,7 +2,7 @@
 include "lib.php";
 include "func.php";
 
-use utilphp\util as util;
+
 
 if(!isSigned()){
 
diff --git a/twe/join.php b/twe/join.php
index 7366d6e2..055802f5 100644
--- a/twe/join.php
+++ b/twe/join.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 require("new_lib.php");
diff --git a/twe/join_post.php b/twe/join_post.php
index c1cde1cd..521a984a 100644
--- a/twe/join_post.php
+++ b/twe/join_post.php
@@ -1,8 +1,10 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 
-use utilphp\util as util;
+
 
 $name       = $_POST['name'];
 $name       = _String::NoSpecialCharacter($name);
diff --git a/twe/lib.php b/twe/lib.php
index 39742312..3df73df3 100644
--- a/twe/lib.php
+++ b/twe/lib.php
@@ -1,7 +1,9 @@
 <?php
+namespace sammo;
+
 require(__dir__.'/../vendor/autoload.php');
 
-use utilphp\util as util;
+
 
 /******************************************************************************
 체섭용 인클루드 파일
@@ -141,7 +143,7 @@ function SetHeaderNoCache(){
     }
 }
 
-function returnJson($value, $noCache = true, $pretty = false, $die = true){
+function Json::die($value, $noCache = true, $pretty = false, $die = true){
     if($noCache){
         SetHeaderNoCache();
     }
diff --git a/twe/login_process.php b/twe/login_process.php
index 9e20cb51..3d099a77 100644
--- a/twe/login_process.php
+++ b/twe/login_process.php
@@ -1,10 +1,12 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 
 //FIXME: 이 프로세스 전체가 필요없을 수 있다. session 디렉토리를 관리하지 않거나, 자동 로그인을 처리하는 방법을 생각할 것.
 
-use utilphp\util as util;
+
 
 $db = getDB();
 
diff --git a/twe/map_history.php b/twe/map_history.php
index 8da98be7..4f53bb9a 100644
--- a/twe/map_history.php
+++ b/twe/map_history.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 $year = $_GET['year'];
 $month = $_GET['month'];
 
diff --git a/twe/new_lib.php b/twe/new_lib.php
index 9ccd6bde..869e64ee 100644
--- a/twe/new_lib.php
+++ b/twe/new_lib.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 //임시 땜빵 리팩터링.
 require_once "lib.php";
 
diff --git a/twe/old/install.php b/twe/old/install.php
index 25a99da6..acf40e1d 100644
--- a/twe/old/install.php
+++ b/twe/old/install.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 
 if(getUserGrade(true) < 5){
diff --git a/twe/old/install1.php b/twe/old/install1.php
index b8de32b1..fcea0f02 100644
--- a/twe/old/install1.php
+++ b/twe/old/install1.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 
 if(getUserGrade(true) < 5){
diff --git a/twe/old/install2.php b/twe/old/install2.php
index 04d6e83e..eb14cdd1 100644
--- a/twe/old/install2.php
+++ b/twe/old/install2.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 require "lib.php";
 
 if(getUserGrade(true) < 5){
diff --git a/twe/old/j_old_install.php b/twe/old/j_old_install.php
index a2d4249a..95889d60 100644
--- a/twe/old/j_old_install.php
+++ b/twe/old/j_old_install.php
@@ -3,7 +3,7 @@ include "lib.php";
 include "schema.php";
 include "func.php";
 
-use utilphp\util as util;
+
 
 if(getUserGrade(true) < 5){
     die('관리자 아님');
diff --git a/twe/old/j_old_install2.php b/twe/old/j_old_install2.php
index fc57f0d8..f3ce7dd1 100644
--- a/twe/old/j_old_install2.php
+++ b/twe/old/j_old_install2.php
@@ -2,7 +2,7 @@
 include "lib.php";
 include "func.php";
 
-use utilphp\util as util;
+
 
 $turnterm = util::array_get($_POST['turnterm'],'0');
 $sync = util::array_get($_POST['sync'],'0');
diff --git a/twe/preprocessing.php b/twe/preprocessing.php
index 1123d3b2..193cc0fd 100644
--- a/twe/preprocessing.php
+++ b/twe/preprocessing.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/proc.php b/twe/proc.php
index 2be24607..100d53b8 100644
--- a/twe/proc.php
+++ b/twe/proc.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 
diff --git a/twe/process_war.php b/twe/process_war.php
index ce4ed821..b6480905 100644
--- a/twe/process_war.php
+++ b/twe/process_war.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 
 function processWar($connect, $general, $city) {
 
diff --git a/twe/processing.php b/twe/processing.php
index 4fdb360e..8fb5afed 100644
--- a/twe/processing.php
+++ b/twe/processing.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/queue.php b/twe/queue.php
index c642a5c2..210bc0f8 100644
--- a/twe/queue.php
+++ b/twe/queue.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 //TODO: 참조 값을 SplQueue ( https://secure.php.net/manual/en/class.splqueue.php )를 이용하도록 변경
 class Queue {
     private $capacity;
diff --git a/twe/reset.php b/twe/reset.php
index 26bb2bc8..af4eb8fe 100644
--- a/twe/reset.php
+++ b/twe/reset.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 include "schema.php";
diff --git a/twe/schema.php b/twe/schema.php
index 89cce609..5b5d0a6b 100644
--- a/twe/schema.php
+++ b/twe/schema.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 
 ////////////////////////////////////////////////////////////////////////////
 // 장수 테이블
diff --git a/twe/select_npc.php b/twe/select_npc.php
index 133db3ad..daae8305 100644
--- a/twe/select_npc.php
+++ b/twe/select_npc.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 
diff --git a/twe/select_npc_post.php b/twe/select_npc_post.php
index af5a8cb9..b688b1f0 100644
--- a/twe/select_npc_post.php
+++ b/twe/select_npc_post.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 
diff --git a/twe/selection.php b/twe/selection.php
index d364636f..c2ce8d26 100644
--- a/twe/selection.php
+++ b/twe/selection.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 
diff --git a/twe/turn.php b/twe/turn.php
index 37c00c4c..a2e24d84 100644
--- a/twe/turn.php
+++ b/twe/turn.php
@@ -1,9 +1,11 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
 
-use utilphp\util as util;
+
 CheckLogin(1);
 $connect = dbConn();
 increaseRefresh("턴반복", 1);
diff --git a/twe/turn_pop_core.php b/twe/turn_pop_core.php
index 39d95376..6346a1d9 100644
--- a/twe/turn_pop_core.php
+++ b/twe/turn_pop_core.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/twe/turn_push_core.php b/twe/turn_push_core.php
index e4efe2ef..7d1c5316 100644
--- a/twe/turn_push_core.php
+++ b/twe/turn_push_core.php
@@ -1,4 +1,6 @@
 <?php
+namespace sammo;
+
 include "lib.php";
 include "func.php";
 //로그인 검사
diff --git a/vendor/composer/autoload_psr4.php b/vendor/composer/autoload_psr4.php
index c91eabf5..f7cfd367 100644
--- a/vendor/composer/autoload_psr4.php
+++ b/vendor/composer/autoload_psr4.php
@@ -6,6 +6,7 @@ $vendorDir = dirname(dirname(__FILE__));
 $baseDir = dirname($vendorDir);
 
 return array(
+    'sammo\\' => array($baseDir . '/src'),
     'Psr\\Log\\' => array($vendorDir . '/psr/log/Psr/Log'),
     'Psr\\Http\\Message\\' => array($vendorDir . '/psr/http-message/src'),
     'Monolog\\' => array($vendorDir . '/monolog/monolog/src/Monolog'),
diff --git a/vendor/composer/autoload_static.php b/vendor/composer/autoload_static.php
index 2dacdbbf..d825715a 100644
--- a/vendor/composer/autoload_static.php
+++ b/vendor/composer/autoload_static.php
@@ -13,6 +13,10 @@ class ComposerStaticInit67b09c83b85c3bc0027caefe5bba171a
     );
 
     public static $prefixLengthsPsr4 = array (
+        's' => 
+        array (
+            'sammo\\' => 6,
+        ),
         'P' => 
         array (
             'Psr\\Log\\' => 8,
@@ -36,6 +40,10 @@ class ComposerStaticInit67b09c83b85c3bc0027caefe5bba171a
     );
 
     public static $prefixDirsPsr4 = array (
+        'sammo\\' => 
+        array (
+            0 => __DIR__ . '/../..' . '/src',
+        ),
         'Psr\\Log\\' => 
         array (
             0 => __DIR__ . '/..' . '/psr/log/Psr/Log',