diff --git a/README.md b/README.md
index 821ec261..1367f22c 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,11 @@
 - Mysql: 5.7最新版或以上版本
 - Redis：可选
 
+## 捐赠
+此程序由个人维护，如果对你有帮助，可以请我喝杯咖啡。感谢以下捐赠者：  
+
+**初心、陌路つ**
+
 ## 更多信息
 博客：[https://nexusphp.org](http://nexusphp.org/)  
 论坛：[https://discuss.nexusphp.org](https://discuss.nexusphp.org/)  
diff --git a/app/Models/User.php b/app/Models/User.php
index 5bfc06b7..bee6a3eb 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -249,7 +249,7 @@ class User extends Authenticatable
 
     public function canAccessAdmin()
     {
-        $targetClass = self::CLASS_MODERATOR;
+        $targetClass = self::CLASS_SYSOP;
         if (!$this->class || $this->class < $targetClass) {
             do_log(sprintf('user: %s, no class or class < %s, can not access admin.', $this->id, $targetClass));
             return false;
diff --git a/include/functions.php b/include/functions.php
index 6e7a1c90..3357ef26 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -2483,7 +2483,7 @@ else {
                 <font class='color_downloaded'> <?php echo $lang_functions['text_downloaded'] ?></font> <?php echo mksize($CURUSER['downloaded'])?>
                 <font class='color_active'><?php echo $lang_functions['text_active_torrents'] ?></font> <img class="arrowup" alt="Torrents seeding" title="<?php echo $lang_functions['title_torrents_seeding'] ?>" src="pic/trans.gif" /><?php echo $activeseed?>  <img class="arrowdown" alt="Torrents leeching" title="<?php echo $lang_functions['title_torrents_leeching'] ?>" src="pic/trans.gif" /><?php echo $activeleech?>&nbsp;&nbsp;
                 <font class='color_connectable'><?php echo $lang_functions['text_connectable'] ?></font><?php echo $connectable?> <?php echo maxslots();?>
-                <?php if(get_user_class() >= UC_MODERATOR) { ?> [<a href="/admin" target="_blank"><?php echo $lang_functions['text_management_system'] ?></a>]<?php }?>
+                <?php if(get_user_class() >= UC_SYSOP) { ?> [<a href="/admin" target="_blank"><?php echo $lang_functions['text_management_system'] ?></a>]<?php }?>
             </span>
         </td>
 	<td class="bottom" align="right"><span class="medium"><?php echo $lang_functions['text_the_time_is_now'] ?><?php echo $datum['hours'].":".$datum['minutes']?><br />
diff --git a/nexus/Install/Install.php b/nexus/Install/Install.php
index b0b450a3..54fe3bb4 100644
--- a/nexus/Install/Install.php
+++ b/nexus/Install/Install.php
@@ -2,6 +2,7 @@
 
 namespace Nexus\Install;
 
+use Illuminate\Support\Str;
 use Nexus\Database\DB;
 
 class Install
@@ -220,6 +221,9 @@ class Install
                         $value = $oldGroupValues[$key];
                     }
                 }
+                if ($prefix == 'basic' && Str::startsWith($value, 'localhost')) {
+                    $value = '';
+                }
                 if (isset($requireDirs[$prefix]) && in_array($key, $requireDirs[$prefix])) {
                     $dir = getFullDirectory($value);
                     $tableRows[] = [