diff --git a/app/Http/Controllers/Auth/AuthController.php b/app/Http/Controllers/Auth/AuthController.php
index ce99ceb..4c5720b 100644
--- a/app/Http/Controllers/Auth/AuthController.php
+++ b/app/Http/Controllers/Auth/AuthController.php
@@ -10,6 +10,7 @@ use App\Models\User;
 use App\Services\ConfigService;
 use Carbon\Carbon;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Schema;
 use Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException;
 
 
@@ -173,7 +174,9 @@ class AuthController extends Controller
         $customer = Customer::create($data);
 
         if ($referrer) {
-            $referrer->increment('total_referrals');
+            if (Schema::hasColumn((new Customer)->getTable(), 'total_referrals')) {
+                $referrer->increment('total_referrals');
+            }
             if ($cfg->getBool('register_referral_sms_to_referrer', false)) {
                 $messageRef = "{$data['name']} با کد معرف شما ثبت نام کرد.\nبا اولین خرید او پاداش دریافت میکنید.\n" . $this->Config('name_fa');
                 $this->Send($referrer->mobile, $messageRef);
diff --git a/database/sql/add_total_referrals_column.sql b/database/sql/add_total_referrals_column.sql
index fb388f9..d7c5fb5 100644
--- a/database/sql/add_total_referrals_column.sql
+++ b/database/sql/add_total_referrals_column.sql
@@ -3,8 +3,21 @@
 
 START TRANSACTION;
 
-ALTER TABLE `customers`
-  ADD COLUMN `total_referrals` INT UNSIGNED NOT NULL DEFAULT 0 AFTER `referral_to_id`;
+SET @db = DATABASE();
+SET @sql = IF(
+    (SELECT COUNT(*) FROM information_schema.COLUMNS
+        WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'customers' AND COLUMN_NAME = 'total_referrals') = 0,
+    IF(
+        (SELECT COUNT(*) FROM information_schema.COLUMNS
+            WHERE TABLE_SCHEMA = @db AND TABLE_NAME = 'customers' AND COLUMN_NAME = 'referral_to_id') > 0,
+        'ALTER TABLE `customers` ADD COLUMN `total_referrals` INT UNSIGNED NOT NULL DEFAULT 0 AFTER `referral_to_id`',
+        'ALTER TABLE `customers` ADD COLUMN `total_referrals` INT UNSIGNED NOT NULL DEFAULT 0'
+    ),
+    'SELECT ''skip customers.total_referrals'' AS info'
+);
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
 
 -- هم‌تراز با تعداد ثبت‌نام‌های واقعی (اختیاری ولی توصیه می‌شود)
 UPDATE `customers` AS c