diff --git a/adm/cache_file_delete.php b/adm/cache_file_delete.php
index 77a0cdb15..91435809d 100644
--- a/adm/cache_file_delete.php
+++ b/adm/cache_file_delete.php
@@ -5,6 +5,11 @@ include_once('./_common.php');
 if ($is_admin != 'super')
     alert('최고관리자만 접근 가능합니다.', G5_URL);
 
+@include_once('./safe_check.php');
+if(function_exists('social_log_file_delete')){
+    social_log_file_delete();
+}
+
 $g5['title'] = '캐시파일 일괄삭제';
 include_once('./admin.head.php');
 ?>
diff --git a/adm/index.php b/adm/index.php
index 810ebc5bc..9a6d0b259 100644
--- a/adm/index.php
+++ b/adm/index.php
@@ -2,6 +2,11 @@
 $sub_menu = '100000';
 include_once('./_common.php');
 
+@include_once('./safe_check.php');
+if(function_exists('social_log_file_delete')){
+    social_log_file_delete(86400);      //소셜로그인 디버그 파일 24시간 지난것은 삭제
+}
+
 $g5['title'] = '관리자메인';
 include_once ('./admin.head.php');
 
diff --git a/adm/safe_check.php b/adm/safe_check.php
new file mode 100644
index 000000000..71f28f5c5
--- /dev/null
+++ b/adm/safe_check.php
@@ -0,0 +1,17 @@
+<?php
+if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
+
+function social_log_file_delete($second=0){
+    $files = glob(G5_DATA_PATH.'/tmp/social_*');
+    if (is_array($files)) {
+        $before_time  = $second ? G5_SERVER_TIME - $second : 0;
+        foreach ($files as $social_log_file) {
+            $modification_time = filemtime($log_file); // 파일접근시간
+
+            if ($before_time && $modification_time > $before_time) continue;
+
+            unlink($social_log_file);
+        }
+    }
+}
+?>
\ No newline at end of file
diff --git a/extend/social_login.extend.php b/extend/social_login.extend.php
index 3e8c8f3a5..fd851f6b4 100644
--- a/extend/social_login.extend.php
+++ b/extend/social_login.extend.php
@@ -39,7 +39,10 @@ define('G5_SOCIAL_USE_POPUP', ! is_mobile() );  // 모바일에서는 팝업사
 define('G5_SOCIAL_DELETE_DAY', 0);
 
 // 메일 인증관련, false 이면 메일인증을 받지 않고 로그인됩니다. true 이고 기본환경설정에서 메일인증설정이 활성화 되어 있는 경우 메일인증을 받아야만 로그인 됩니다.
-define('G5_SOCIAL_CERTIFY_MAIL', false );
+define('G5_SOCIAL_CERTIFY_MAIL', false);
+
+// 소셜 DEBUG 관련 설정, 기본값은 false, true 로 설정시 data/tmp/social_anystring.log 파일이 생성됩니다.
+define('G5_SOCIAL_IS_DEBUG', false);
 
 include_once(G5_SOCIAL_LOGIN_PATH.'/includes/functions.php');
 ?>
\ No newline at end of file
diff --git a/plugin/social/includes/functions.php b/plugin/social/includes/functions.php
index ed06441ec..4b847f54d 100644
--- a/plugin/social/includes/functions.php
+++ b/plugin/social/includes/functions.php
@@ -278,7 +278,12 @@ function social_build_provider_config($provider){
         );
 
     if( function_exists('social_extends_get_keys') ){
-        $setting["providers"][$provider] = social_extends_get_keys($provider);
+        $setting['providers'][$provider] = social_extends_get_keys($provider);
+    }
+
+    if(defined('G5_SOCIAL_IS_DEBUG') && G5_SOCIAL_IS_DEBUG){
+        $setting['debug_mode'] = true;
+        $setting['debug_file'] = G5_DATA_PATH.'/tmp/social_'.md5($_SERVER['SERVER_SOFTWARE'].$_SERVER['SERVER_ADDR']).'_'.date('ymd').'.log';
     }
 
     return $setting;
diff --git a/skin/member/basic/login.skin.php b/skin/member/basic/login.skin.php
index 6bd3c820d..482bef584 100644
--- a/skin/member/basic/login.skin.php
+++ b/skin/member/basic/login.skin.php
@@ -30,6 +30,7 @@ add_stylesheet('<link rel="stylesheet" href="'.$member_skin_url.'/style.css">',
 
     <aside id="login_info">
         <h2>회원로그인 안내</h2>
+        <div>
             <a href="<?php echo G5_BBS_URL ?>/password_lost.php" target="_blank" id="login_password_lost">아이디 비밀번호 찾기</a>
             <a href="./register.php">회원 가입</a>
         </div>
diff --git a/theme/basic/skin/member/basic/login.skin.php b/theme/basic/skin/member/basic/login.skin.php
index 6bd3c820d..482bef584 100644
--- a/theme/basic/skin/member/basic/login.skin.php
+++ b/theme/basic/skin/member/basic/login.skin.php
@@ -30,6 +30,7 @@ add_stylesheet('<link rel="stylesheet" href="'.$member_skin_url.'/style.css">',
 
     <aside id="login_info">
         <h2>회원로그인 안내</h2>
+        <div>
             <a href="<?php echo G5_BBS_URL ?>/password_lost.php" target="_blank" id="login_password_lost">아이디 비밀번호 찾기</a>
             <a href="./register.php">회원 가입</a>
         </div>