diff --git a/i_entrance/admin_userlist.php b/i_entrance/admin_userlist.php
index 6804d423..3886dd5a 100644
--- a/i_entrance/admin_userlist.php
+++ b/i_entrance/admin_userlist.php
@@ -6,6 +6,8 @@ require_once(ROOT.'/f_config/SESSION.php');
 $db = getRootDB();
 $userGrade = $SESSION->getGrade();
 
+session_write_close();
+
 if($userGrade < 6){
     header('Location:../');
     die();
diff --git a/i_entrance/j_logout.php b/i_entrance/j_logout.php
index 00dfa642..be26577e 100644
--- a/i_entrance/j_logout.php
+++ b/i_entrance/j_logout.php
@@ -8,6 +8,7 @@ require_once(ROOT.'/f_config/SESSION.php');
 
 $SESSION->logout();
 unset($_SESSION['access_token']);
+session_write_close();
 setcookie("hello", "", time()-3600);
 
 returnJson([
diff --git a/i_entrance/j_server_change_status.php b/i_entrance/j_server_change_status.php
index e5b27968..09b3c811 100644
--- a/i_entrance/j_server_change_status.php
+++ b/i_entrance/j_server_change_status.php
@@ -20,6 +20,7 @@ $server = util::array_get($_POST['server'], '');
 
 $db = getRootDB();
 $userGrade = $SESSION->getGrade();
+session_write_close();
 
 if($userGrade < 6) {
     returnJson([
diff --git a/i_entrance/j_server_get_admin_status.php b/i_entrance/j_server_get_admin_status.php
index 9cc9405e..2d9dd807 100644
--- a/i_entrance/j_server_get_admin_status.php
+++ b/i_entrance/j_server_get_admin_status.php
@@ -7,6 +7,8 @@ require_once(ROOT.'/f_config/SESSION.php');
 
 $result = [];
 
+session_write_close();
+
 foreach (getServerConfigList() as $server) {
     list($serverKorName, $serverColor, $setting) = $server;
 
diff --git a/i_entrance/j_server_get_status.php b/i_entrance/j_server_get_status.php
index da50350d..01e548b7 100644
--- a/i_entrance/j_server_get_status.php
+++ b/i_entrance/j_server_get_status.php
@@ -1,7 +1,6 @@
 <?php
 require_once('_common.php');
 require_once(ROOT.'/f_config/DB.php');
-require_once(ROOT.'/f_config/SESSION.php');
 
 // 외부 파라미터
 $response['server'] = [];
diff --git a/i_entrance/member/Post.php b/i_entrance/member/Post.php
index 314cc797..3d529922 100644
--- a/i_entrance/member/Post.php
+++ b/i_entrance/member/Post.php
@@ -63,6 +63,6 @@ if($member['GRADE'] < 6) {
     $response['result'] = 'SUCCESS';
 }
 
-echo json_encode($response);
+returnJson($response);