diff --git a/back/homestay.php b/back/homestay.php
index c8abb34..af218ab 100755
--- a/back/homestay.php
+++ b/back/homestay.php
@@ -207,17 +207,16 @@ if ($_REQUEST['act'] == 'edit') {
             if (strlen($_POST['domain'])) {
                 if (strpos($_POST['domain'], $_CFG['cf_domain']) !== false) {
                     $sub_domain = str_replace($_CFG['cf_domain'], '', $_POST['domain']);
-                    // 如果sub_domain最後有.，則去掉
+                    // sub_domain是為.結束,是的話就去掉
                     if (substr($sub_domain, -1) == '.') {
                         $sub_domain = substr($sub_domain, 0, -1);
                     }
-
                     include_once(ROOT_PATH . 'back/includes/cls_cloudflare.php');
                     $cf_obj = new cloudflare;
                     $ret = $cf_obj->update_domain($cf['cf_iden'], trim($sub_domain));
                     if (!$ret) {
-                        // sys_msg('網域自動修改失敗,請重新操作',1, array(), false);
-                        $cf_iden = 0;
+                        sys_msg('網域自動修改失敗,請重新操作',1, array(), false);
+                        // $cf_iden = 0;
                     } else {
                         $cf_iden = $ad_ret;
                     }
@@ -228,7 +227,7 @@ if ($_REQUEST['act'] == 'edit') {
         if (strlen($_REQUEST['domain'])) {
             if (strpos($_REQUEST['domain'], $_CFG['cf_domain']) !== false) {
                 $sub_domain = str_replace($_CFG['cf_domain'], '', $_REQUEST['domain']);
-                // 如果sub_domain最後有.，則去掉
+                // sub_domain是為.結束,是的話就去掉
                 if (substr($sub_domain, -1) == '.') {
                     $sub_domain = substr($sub_domain, 0, -1);
                 }
@@ -236,8 +235,8 @@ if ($_REQUEST['act'] == 'edit') {
                 $cf_obj = new cloudflare;
                 $ad_ret = $cf_obj->add_domain(trim($sub_domain));
                 if (!$ad_ret) {
-                    // sys_msg('網域自動新增失敗,請重新操作',1, array(), false);			
-                    $cf_iden = 0;
+                    sys_msg('網域自動新增失敗,請重新操作',1, array(), false);			
+                    // $cf_iden = 0;
                 } else {
                     $cf_iden = $ad_ret;
                 }