diff --git a/db.sqlite3 b/db.sqlite3
index 4bedcf3..b5fffe0 100644
Binary files a/db.sqlite3 and b/db.sqlite3 differ
diff --git a/invoices/models.py b/invoices/models.py
index b61d487..4bf617a 100644
--- a/invoices/models.py
+++ b/invoices/models.py
@@ -147,8 +147,8 @@ class Quote(NameSlugModel):
         """مبلغ باقی‌مانده بر اساس پرداخت‌ها"""
         paid = self.get_paid_amount()
         remaining = self.final_amount - paid
-        if remaining < 0:
-            remaining = Decimal('0')
+        # if remaining < 0:
+        #     remaining = Decimal('0')
         return remaining
 
     def get_vat_amount(self) -> Decimal:
diff --git a/invoices/views.py b/invoices/views.py
index 0313143..01b8c48 100644
--- a/invoices/views.py
+++ b/invoices/views.py
@@ -36,7 +36,7 @@ def quote_step(request, instance_id, step_id):
         return redirect('processes:request_list')
     
     # دریافت آیتم‌ها
-    items = Item.objects.filter(is_active=True, is_special=False, is_deleted=False).order_by('name')
+    items = Item.objects.filter(is_active=True, is_special=False, is_deleted=False).order_by('-is_default_in_quotes')
     existing_quote = Quote.objects.filter(process_instance=instance).first()
     existing_quote_items = {}
     if existing_quote:
@@ -556,8 +556,8 @@ def add_quote_payment(request, instance_id, step_id):
         except InvalidOperation:
             return JsonResponse({'success': False, 'message': 'مبلغ نامعتبر است'})
         remaining = quote.get_remaining_amount()
-        if amount_dec > remaining:
-            return JsonResponse({'success': False, 'message': 'مبلغ فیش بیشتر از مانده پیش‌فاکتور است'})
+        # if amount_dec > remaining:
+        #     return JsonResponse({'success': False, 'message': 'مبلغ فیش بیشتر از مانده پیش‌فاکتور است'})
 
         Payment.objects.create(
             invoice=invoice,