diff --git a/app/Http/Controllers/Admin/SystemController.php b/app/Http/Controllers/Admin/SystemController.php
index 5cd6ea81..956d8949 100644
--- a/app/Http/Controllers/Admin/SystemController.php
+++ b/app/Http/Controllers/Admin/SystemController.php
@@ -103,12 +103,12 @@ class SystemController extends Controller
         $name = $request->input('name');
         $value = $request->input('value');
 
-        if (empty($value)) { // 关闭 或 空值 自动设NULL，减少系统设置存储
+        if (empty($value) || $value === 'NaN') { // 关闭 或 空值 自动设NULL，减少系统设置存储
             $value = null;
         }
 
         // 支付设置判断
-        if ($value !== null && in_array($name, ['is_AliPay', 'is_QQPay', 'is_WeChatPay', 'is_otherPay'], true) && ! in_array($value, $this->getPayment(), true)) {
+        if ($value !== null && in_array($name, ['is_AliPay', 'is_QQPay', 'is_WeChatPay'], true) && ! in_array($value, $this->getPayment(), true)) {
             return Response::json(['status' => 'fail', 'message' => '请先完善该支付渠道的必要参数！']);
         }
 
diff --git a/resources/views/admin/config/system.blade.php b/resources/views/admin/config/system.blade.php
index c4c93be6..6e640d97 100644
--- a/resources/views/admin/config/system.blade.php
+++ b/resources/views/admin/config/system.blade.php
@@ -110,14 +110,14 @@
                             <x-system.select title="邮箱过滤机制" code="is_email_filtering" help="黑名单: 用户可使用任意黑名单外的邮箱注册；白名单:用户只能选择使用白名单中的邮箱后缀注册"
                                              :list="['关闭' => '', '黑名单' => 1, '白名单' => 2]"/>
                             <x-system.input-limit title="激活账号次数" code="active_times" :value="$active_times" help="24小时内可以通过邮件激活账号次数"/>
-                            <x-system.input-limit title="同IP注册限制" code="register_ip_limit" :value="$register_ip_limit" help="同IP在24小时内允许注册数量，为0时不限制"/>
+                            <x-system.input-limit title="同IP注册限制" code="register_ip_limit" :value="$register_ip_limit" help="同IP在24小时内允许注册数量，为0/留空时不限制"/>
                             <x-system.input-limit title="用户-邀请码有效期" code="user_invite_days" :value="$user_invite_days" min="1" unit="天" help="用户自行生成邀请的有效期"/>
                             <x-system.input-limit title="管理员-邀请码有效期" code="admin_invite_days" :value="$admin_invite_days" min="1" unit="天" help="管理员生成邀请码的有效期"/>
                         </x-system.tab-pane>
                         <x-system.tab-pane id="node">
                             <x-system.input title="节点订阅地址" :value="$subscribe_domain" code="subscribe_domain" help="（推荐）防止面板域名被DNS投毒后无法正常订阅，需带http://或https://"
                                             :holder="'默认为 '.$website_url" type="url"/>
-                            <x-system.input-limit title="订阅节点数" code="subscribe_max" :value="$subscribe_max" help="客户端订阅时取得几个节点，为0时返回全部节点"/>
+                            <x-system.input-limit title="订阅节点数" code="subscribe_max" :value="$subscribe_max" help="客户端订阅时取得几个节点，为0/留空时返回全部节点"/>
                             <x-system.switch title="随机订阅" code="rand_subscribe" :check="$rand_subscribe" help="启用后，订阅时将随机返回节点信息，否则按节点排序返回"/>
                             <x-system.switch title="高级订阅" code="is_custom_subscribe" :check="$is_custom_subscribe" help="启用后，订阅信息顶部将显示过期时间、剩余流量（只支持个别客户端）"/>
                             <x-system.input title="授权/后端访问域名" :value="$web_api_url" code="web_api_url" help="例：https://demo.proxypanel.ml" type="url"/>
@@ -186,11 +186,11 @@
                                              :list="['邮箱' => 'mail', 'ServerChan' => 'serverChan', 'Telegram' => 'telegram', '微信企业' => 'weChat', 'TG酱' => 'tgChat', 'PushPlus'
                                              => 'pushPlus']"/>
                             <x-system.input-limit title="阻断检测提醒" code="detection_check_times" :value="$detection_check_times" max="12" unit="次"
-                                                  help="提醒N次后自动下线节点，为0时不限制，不超过12"/>
+                                                  help="提醒N次后自动下线节点，为0/留空时不限制，不超过12"/>
                             <x-system.select title="支付成功通知" code="payment_received_notification" help="用户支付订单后通知用户订单状态" multiple="1"
                                              :list="['邮箱' => 'mail', '站内通知' => 'database', 'Telegram' => 'telegram']"/>
                             <x-system.select title="工单关闭通知" code="ticket_closed_notification" help="工单关闭通知用户" multiple="1"
-                                             :list="['邮箱' => 'mail', 'Bark' => 'bark', 'ServerChan' => 'serverChan', 'Telegram' => 'telegram', '微信企业' => 'weChat', 'TG酱' => 
+                                             :list="['邮箱' => 'mail', 'Bark' => 'bark', 'ServerChan' => 'serverChan', 'Telegram' => 'telegram', '微信企业' => 'weChat', 'TG酱' =>
                                              'tgChat', 'PushPlus' => 'pushPlus']"/>
                             <x-system.select title="新工单通知" code="ticket_created_notification" help="新工单通知管理/用户，取决于谁创建了新工单" multiple="1"
                                              :list="['邮箱' => 'mail', 'Bark' => 'bark', 'ServerChan' => 'serverChan', 'Telegram' => 'telegram', '微信企业' => 'weChat', 'TG酱' =>
@@ -239,7 +239,7 @@
                                     <x-system.select title="QQ钱包" code="is_QQPay" :list="['关闭' => '', '码支付' => 'codepay', '易支付' => 'epay']"/>
                                     <x-system.select title="微信支付" code="is_WeChatPay"
                                                      :list="['关闭' => '', '码支付' => 'codepay', 'PayJS' => 'payjs', '易支付' => 'epay', '海狸支付' => 'paybeaver', '麻瓜宝' => 'bitpayx']"/>
-                                    <x-system.select title="特殊支付" code="is_otherPay" :list="['关闭' => '', '麻瓜宝' => 'bitpayx', 'PayPal' => 'paypal', 'Stripe' => 'stripe']"/>
+                                    <x-system.select title="特殊支付" code="is_otherPay" multiple="1" :list="['麻瓜宝' => 'bitpayx', 'PayPal' => 'paypal', 'Stripe' => 'stripe']"/>
                                     <x-system.input title="自定义商品名称" :value="$subject_name" code="subject_name" help="用于在支付渠道的商品标题显示"/>
                                     <x-system.input title="通用支付回调地址" :value="$website_callback_url" code="website_callback_url"
                                                     help="防止因为网站域名被DNS投毒后导致支付无法正常回调，需带http://或https://" :holder="'默认为 '.$website_url" type="url"/>
@@ -422,7 +422,7 @@
             $('#is_AliPay').selectpicker('val', '{{$is_AliPay}}');
             $('#is_QQPay').selectpicker('val', '{{$is_QQPay}}');
             $('#is_WeChatPay').selectpicker('val', '{{$is_WeChatPay}}');
-            $('#is_otherPay').selectpicker('val', '{{$is_otherPay}}');
+            $('#is_otherPay').selectpicker('val', {!! $is_otherPay !!});
             $('#oauth_path').selectpicker('val', {!! $oauth_path !!});
             $('#account_expire_notification').selectpicker('val', {!! $account_expire_notification !!});
             $('#data_anomaly_notification').selectpicker('val', {!! $data_anomaly_notification !!});
diff --git a/resources/views/user/components/purchase.blade.php b/resources/views/user/components/purchase.blade.php
index 6f72afc5..59439ad1 100644
--- a/resources/views/user/components/purchase.blade.php
+++ b/resources/views/user/components/purchase.blade.php
@@ -13,16 +13,18 @@
         <img src="/assets/images/payment/wechatpay.svg" height="36px" alt="wechat"/>
     </button>
 @endif
-@if(sysConfig('is_otherPay') == 'bitpayx')
+@if(strpos(sysConfig('is_otherPay'), 'bitpayx') !== false)
     <button class="btn btn-round btn-outline-default mt-2" onclick="pay('bitpayx','4')">
         <img src="/assets/images/payment/btc.svg" height="36px" alt="other"/>
         <span class="font-size-24 black"> {{trans('common.payment.crypto')}} </span>
     </button>
-@elseif(sysConfig('is_otherPay') == 'paypal')
+@endif
+@if(strpos(sysConfig('is_otherPay'), 'paypal') !== false)
     <button class="btn btn-round btn-outline-default mt-2" onclick="pay('paypal','5')">
         <img src="https://www.paypalobjects.com/webstatic/mktg/Logo/pp-logo-150px.png" height="32px" alt="PayPal"/>
     </button>
-@elseif(sysConfig('is_otherPay') == 'stripe')
+@endif
+@if(strpos(sysConfig('is_otherPay'), 'stripe') !== false)
     <button class="btn btn-round btn-outline-default mt-2" onclick="pay('stripe','6')">
         <img src="/assets/images/payment/stripe.svg" height="40px" alt="stripe"/>
     </button>