diff --git a/application/api/controller/Payment.php b/application/api/controller/Payment.php
index 058c721a..278a55a0 100644
--- a/application/api/controller/Payment.php
+++ b/application/api/controller/Payment.php
@@ -57,7 +57,7 @@ class Payment extends Controller
             return V(0, '未成年不可充值！',  null);
         }
 
-        if (!is_numeric($money) || floor($money) != $money || $money <= 0 || $money > 2000) {
+        if (!is_numeric($money) || floor($money) != $money || $money <= 0 || $money > 5000) {
             return V(0, '请选择正确的充值金额',  null);
         }
         $user_code = db::name('user')->where(["id" => $user_id])->value('user_code');
diff --git a/application/api/model/Nobility.php b/application/api/model/Nobility.php
index b5e115e7..85825c33 100644
--- a/application/api/model/Nobility.php
+++ b/application/api/model/Nobility.php
@@ -326,6 +326,9 @@ class Nobility extends Model
             ->where('delete_time', 0)
             ->where('id', 'in', $power_ids)
             ->select();
+        if(ceil($price) <= 0){
+            return ['code' => 0, 'msg' => "当前权限暂时无法购买此爵位，请升级更高爵位", 'data' => null];
+        }
         $return = [
             'lid' => $nobility_info['lid'],
             'nobility_name' => $nobility_info['name'],