diff --git a/src/sammo/Session.php b/src/sammo/Session.php
index 5725f8d7..95b854b0 100644
--- a/src/sammo/Session.php
+++ b/src/sammo/Session.php
@@ -21,7 +21,9 @@ class Session {
         'userID'=>true, 
         'userName'=>true, 
         'userGrade'=>true, 
-        'writeClosed'=>true
+        'writeClosed'=>true,
+        'generalID'=>true,
+        'generalName'=>true
     ];
 
     const GAME_KEY_DATE = '_g_loginDate';
@@ -31,11 +33,9 @@ class Session {
     
 
     private $writeClosed = false;
+    private $sessionID = null;
 
-    /**
-     * @return \sammo\Session
-     */
-    public static function Instance(){
+    public static function Instance(): Session{
         static $inst = null;
         if($inst === null){
             $inst = new Session();
@@ -43,10 +43,18 @@ class Session {
         return $inst;
     }
 
-    /**
-     * @return \sammo\Session
-     */
-    public static function requireLogin($movePath = ROOT){
+    public function restart(): Session{
+        //NOTE: logout 프로세스는 아예 세션을 날려버리기도 하므로, 항상 안전하게 session_restart가 가능함을 보장하지 않음.
+        ini_set('session.use_only_cookies', false);
+        ini_set('session.use_cookies', false);
+        ini_set('session.use_trans_sid', false);
+        ini_set('session.cache_limiter', null);
+        session_start($this->sessionID); // second session_start
+        $this->writeClosed = false;
+        return $this;
+    }
+
+    public static function requireLogin($movePath = ROOT): Session{
         $session = Session::Instance();
         if($session->isLoggedIn()){
             return $session;
@@ -71,6 +79,7 @@ class Session {
         // 세션 변수의 등록
         if (session_id() == ""){
             session_start();
+            $this->sessionID = session_id();
         }
 
         //첫 등장
@@ -81,10 +90,7 @@ class Session {
         }
     }
 
-    /**
-     * @return \sammo\Session
-     */
-    public function setReadOnly(){
+    public function setReadOnly(): Session{
         if(!$this->writeClosed){
             session_write_close();
             $this->writeClosed = true;
@@ -111,6 +117,12 @@ class Session {
     }
 
     public function __get(string $name){
+        if($name == 'generalID'){
+            return $this->get(DB::prefix().static::GAME_KEY_GENERAL_ID);
+        }
+        if($name == 'generalName'){
+            return $this->get(DB::prefix().static::GAME_KEY_GENERAL_NAME);
+        }
         return $this->get($name);
     }
 
@@ -118,7 +130,7 @@ class Session {
         return Util::array_get($_SESSION[$name]);
     }
 
-    public function login(int $userID, string $userName, int $grade) {
+    public function login(int $userID, string $userName, int $grade): Session {
         $this->set('userID', $userID);
         $this->set('userName', $userName);
         $this->set('ip', Util::get_client_ip(true));
@@ -129,7 +141,10 @@ class Session {
     }
 
 
-    public function logout() {
+    public function logout(): Session {
+        if($this->writeClosed){
+            $this->restart();
+        }
         $this->logoutGame();
         $this->set('userID', null);
         $this->set('userName', null);
@@ -138,7 +153,7 @@ class Session {
         return $this;
     }
 
-    public function loginGame(&$result = null){
+    public function loginGame(&$result = null): Session{
         $userID = $this->userID;
         if(!$userID){
             if($result !== null){
@@ -167,7 +182,7 @@ class Session {
             $generalID && $generalName && $loginDate && $deateTime
             && $loginDate + 600 > $now && $deadTime > $now
         ){
-            //로그인 정보는 5분간 유지한다.
+            //로그인 정보는 10분간 유지한다.
             if($result !== null){
                 $result = true;
             }
@@ -193,11 +208,28 @@ class Session {
 
         $generalID = $general['no'];
         $generalName = $general['name'];
+        $nextTurn = new \DateTime($general['turntime']);
+        $nextTurn = $nextTurn->getTimestamp();
+
+        $deadTime = $nextTurn + $general['killturn'] * $turnterm;
+        if($deadTime < $now){
+            if($result !== null){
+                $result = false;
+            }
+            return $this;
+        }
 
 
+        $this->set($prefix.static::GAME_KEY_DATE, $now);
+        $this->set($prefix.static::GAME_KEY_GENERAL_ID, $generalID);
+        $this->set($prefix.static::GAME_KEY_GENERAL_NAME, $generalName);
+        $this->set($prefix.static::GAME_KEY_EXPECTED_DEADTIME, $deadTime);
     }
 
-    public function logoutGame(){
+    public function logoutGame(): Session{
+        if($this->writeClosed){
+            $this->restart();
+        }
         $prefix = DB::prefix();
         $this->set($prefix.static::GAME_KEY_DATE, null);
         $this->set($prefix.static::GAME_KEY_GENERAL_ID, null);
diff --git a/twe/_admin2_submit.php b/twe/_admin2_submit.php
index e79ffb94..b80796ba 100644
--- a/twe/_admin2_submit.php
+++ b/twe/_admin2_submit.php
@@ -4,15 +4,18 @@ namespace sammo;
 include "lib.php";
 include "func.php";
 //로그인 검사
-CheckLogin();
-$connect = dbConn();
+$session = Session::requireLogin()->loginGame();
 
-if(Session::getUserGrade() < 5) {
-    //echo "<script>location.replace('_admin2.php');</script>";
-    echo '_admin2.php';//TODO:debug all and replace
+if($session->userGrade < 5) {
+    header('location:_admin2.php');
 }
 
-$generalID = getGeneralID();
+$generalID = $session->generalID;
+if(!$generalID){
+    header('location:_admin2.php');
+}
+
+$connect = dbConn();
 
 switch($btn) {
     case "전체 접속허용":
diff --git a/twe/func_legacy.php b/twe/func_legacy.php
index 4ead6ac3..78db793a 100644
--- a/twe/func_legacy.php
+++ b/twe/func_legacy.php
@@ -3,15 +3,17 @@ namespace sammo;
 
 
 function CheckLogin($type=0) {
-    if(!isset($_SESSION['userID'])) {
-        if($type == 0) {
-            header('Location: ../');
-            }
-        else           { 
-            header('Location: index.php');
-         }
-        exit();
+    //TODO: 직접해라. setReadOnly() 호출이 필요하다.
+    if(Session::Instance()->loginGame()->generalID){
+       return; 
     }
+    if($type == 0) {
+        header('Location: ../');
+    }
+    else           { 
+        header('Location: index.php');
+    }
+    exit();
 }
 
 
diff --git a/twe/index.php b/twe/index.php
index 80fcf219..63ea1dd8 100644
--- a/twe/index.php
+++ b/twe/index.php
@@ -4,33 +4,28 @@ namespace sammo;
 include "lib.php";
 include "func.php";
 
+$session = Session::Instance()->loginGame();
 
 $connect = dbConn();
-increaseRefresh("메인", 2);
+increaseRefresh("메인", 1);
 checkTurn($connect);
 
 $db = DB::db();
 
-//로그인 검사
-if(!isSigned()){
-    header('Location:../');
+if(!$session->userID){
+    header('Location:..');
     die();
 }
 
-$userID = Session::getUserID();
-if(!$userID){
-    header('Location:../');
-    die();
-}
-
-$me = $db->queryFirstRow('select no,con,turntime,newmsg,newvote,map from general where owner = %i', $userID);
+$me = $db->queryFirstRow('SELECT no,con,turntime,newmsg,newvote,map from general where owner = %i', $userID);
 
 //그새 사망이면
 if($me === null) {
-    resetSessionGeneralValues();
+    $session->loginGame();
     header('Location: ../');
     die();
 }
+$session->setReadOnly();
 
 if($me['newmsg'] == 1 && $me['newvote'] == 1) {
     $query = "update general set newmsg=0,newvote=0 where owner='{$_SESSION['userID']}'";
diff --git a/twe/j_msgsubmit.php b/twe/j_msgsubmit.php
index 2f8c6e62..981b1256 100644
--- a/twe/j_msgsubmit.php
+++ b/twe/j_msgsubmit.php
@@ -28,7 +28,7 @@ if(!isset($post['genlist']) || !isset($post['msg'])){
 
 $destMailbox = $post['dest_mailbox'];
 $msg = $post['msg'];
-$datetime = new DateTime();
+$datetime = new \DateTime();
 $date = $datetime->format('Y-m-d H:i:s');
 
 //로그인 검사
@@ -120,7 +120,7 @@ if($destMailbox == 9999) {
 
 // 개인 메세지
 } elseif($destMailbox > 0) {
-    $last_msg = new DateTime(Util::array_get($_SESSION['last_msg'], '0000-00-00'));
+    $last_msg = new \DateTime(Util::array_get($_SESSION['last_msg'], '0000-00-00'));
 
     $msg_interval = $datetime->getTimestamp() - $last_msg->getTimestamp();
     //NOTE: 여기서 유저 레벨을 구별할 코드가 필요할까?
diff --git a/twe/lib.php b/twe/lib.php
index dfa70b7c..ec24cc97 100644
--- a/twe/lib.php
+++ b/twe/lib.php
@@ -96,11 +96,9 @@ $_taxrate = 0.01;   // 군량 매매시 세율
 //$images = "http://jwh1807.vipweb.kr/images";
 //$image = "http://jwh1807.vipweb.kr/image";
 $image1 = "../d_pic";
-    $images = "/images";
-    $image = "/image";
+$images = "/images";
+$image = "/image";
 
-unset($member);
-unset($setup);
 
 // Data, Icon, 세션디렉토리의 쓰기 권한이 없다면 에러 처리
 // 단, 폴더가 없는 경우라면 폴더를 생성 할 필요가 있음. 
@@ -113,26 +111,6 @@ if(is_dir(__DIR__."/data")){
 
 session_cache_limiter('nocache, must_revalidate');//NOTE: 캐시가 가능하도록 설정해야 할 수도 있음. 주의!
 
-// 세션 변수의 등록
-//NOTE: ajax등의 경우에는 session_write_close로 빠르게 끝낼 수 있어야한다.
-session_start();
-
-//첫 등장
-if(!Util::array_get($_SESSION['p_ip'], null)) {
-    $_SESSION['p_ip'] = getenv("REMOTE_ADDR");
-    $_SESSION['p_time'] = time();
-}
-
-//id, 이름, 국가는 로그인에서
-//초과된 세션은 로그아웃(1시간)
-//TODO: 로그아웃 원리를 다시 확인
-if($_SESSION['p_time']+3600 < time()) {
-    resetSessionGeneralValues();
-    $_SESSION['p_time'] = time();
-} else {
-    $_SESSION['p_time'] = time();
-}
-
 /**
  * Session에 보관된 장수 정보를 제거함.
  * _prefix_p_no, _prefix_p_name 두 값임