diff --git a/i_entrance/j_logout.php b/i_entrance/j_logout.php
index 8358460e..053b7b52 100644
--- a/i_entrance/j_logout.php
+++ b/i_entrance/j_logout.php
@@ -3,7 +3,13 @@ namespace sammo;
 
 require_once('_common.php');
 
-$session = Session::requireLogin();
+$session = Session::Instance();
+if(!$session->isLoggedIn()){
+    //로그인 안했다니까...
+    Json::die([
+        'result'=>true
+    ]);
+}
 
 
 
@@ -17,7 +23,6 @@ RootDB::db()->insert('member_log',[
     ])
 ]);
 
-$session->access_token = null;
 $session->logout();
 $session->setReadOnly();
 setcookie("hello", "", time()-3600);
diff --git a/src/sammo/Session.php b/src/sammo/Session.php
index 182a6670..fa0ab286 100644
--- a/src/sammo/Session.php
+++ b/src/sammo/Session.php
@@ -79,7 +79,7 @@ class Session {
     }
 
     public function __set(string $name, $value){
-        if(key_exists($key, self::PROTECED_NAMES)){
+        if(key_exists($key, $this->PROTECED_NAMES)){
             trigger_error("{$name}은 외부에서 쓰기 금지된 Session 변수입니다.", E_USER_NOTICE);
             return;
         }
@@ -110,6 +110,7 @@ class Session {
         $this->set('ip', Util::get_client_ip(true));
         $this->set('time', time());
         $this->set('userGrade', $grade);
+        $this->set('access_token', null);
         return $this;
     }