diff --git a/common.php b/common.php
index 6eb591997..608a779ac 100644
--- a/common.php
+++ b/common.php
@@ -370,7 +370,7 @@ if ($_SESSION['ss_mb_id']) { // 로그인중이라면
             $key = md5($_SERVER['SERVER_ADDR'] . $_SERVER['REMOTE_ADDR'] . $_SERVER['HTTP_USER_AGENT'] . $row['mb_password']);
             // 쿠키에 저장된 키와 같다면
             $tmp_key = get_cookie('ck_auto');
-            if ($tmp_key == $key && $tmp_key) {
+            if ($tmp_key === $key && $tmp_key) {
                 // 차단, 탈퇴가 아니고 메일인증이 사용이면서 인증을 받았다면
                 if ($row['mb_intercept_date'] == '' &&
                     $row['mb_leave_date'] == '' &&
diff --git a/theme/basic/head.sub.php b/theme/basic/head.sub.php
index 64a552e6c..a282caaf2 100644
--- a/theme/basic/head.sub.php
+++ b/theme/basic/head.sub.php
@@ -39,7 +39,7 @@ if (G5_IS_MOBILE) {
     echo '<meta name="format-detection" content="telephone=no">'.PHP_EOL;
 } else {
     echo '<meta http-equiv="imagetoolbar" content="no">'.PHP_EOL;
-    echo '<meta http-equiv="X-UA-Compatible" content="IE=10,chrome=1">'.PHP_EOL;
+    echo '<meta http-equiv="X-UA-Compatible" content="IE=Edge">'.PHP_EOL;
 }
 
 if($config['cf_add_meta'])