diff --git a/apps/pg/models.py b/apps/pg/models.py
index 595ad18..502d02c 100644
--- a/apps/pg/models.py
+++ b/apps/pg/models.py
@@ -104,16 +104,15 @@ class PaymentRequest(models.Model):
         gateway_class = get_gateway_class(self.gateway)
         return gateway_class.objects.get(payment_request=self)
 
-    def set_gateway(self, data):
+    def set_gateway(self, gateway_label):
         preferred_gateways = self.get_preferred_gateways()
-        for gateway_label in preferred_gateways:
-            if gateway_label in data:
-                self.gateway = gateway_label
-                gateway_class = get_gateway_class(gateway_label)
-                pg = gateway_class.objects.create(payment_request=self)
-                pg.payment_request = self
+        if gateway_label in preferred_gateways:
+            self.gateway = gateway_label
+            gateway_class = get_gateway_class(gateway_label)
+            pg = gateway_class.objects.create(payment_request=self)
+            pg.payment_request = self
 
-                self.save()
+            self.save()
 
         if not self.gateway:
             raise Exception('No gateway')
@@ -122,7 +121,7 @@ class PaymentRequest(models.Model):
     def reference_number(self):
         gateway_tools = self.get_gateway_tools()
         if gateway_tools:
-            return f'{self.gateway.value}{gateway_tools.pk}'
+            return f'{self.gateway}{gateway_tools.pk}'
 
         else:
             return '00000000'
diff --git a/apps/pg/views.py b/apps/pg/views.py
index a8c6a72..ec3c502 100644
--- a/apps/pg/views.py
+++ b/apps/pg/views.py
@@ -14,7 +14,7 @@ from django.shortcuts import render
 from utils.commons import calculate_pna_commission
 from .constans import StateChoices
 from .forms import PaymentRequestForm
-from .models import PaymentRequest
+from .models import PaymentRequest, get_gateway_class
 from .serializers import PaymentRequestSerializer, CommissionSerializer
 from ..core.models import BasePGModel
 from ..gooyal_oauth2.utils import get_application
@@ -144,30 +144,35 @@ class PaymentRequestView(UpdateView):
     def form_valid(self, form):
         self.object = form.save()
         charge_request: PaymentRequest = self.get_object()
+        application_policy = charge_request.get_policy()
+        preferred_gateways = application_policy.get_preferred_gateways()
 
-        charge_request.set_gateway(form.data)
-        charge_request.save_commission()
+        if preferred_gateways:
+            for gateway_label in preferred_gateways:
+                if gateway_label in form.data:
+                    charge_request.set_gateway(gateway_label)
+                    charge_request.save_commission()
 
-        tool:BasePGModel = charge_request.get_gateway_tools()
+            tool:BasePGModel = charge_request.get_gateway_tools()
+            tool.make_request()
 
-        tool.make_request()
+            redirect_url = tool.get_pg_page_url()
 
-        redirect_url = tool.get_pg_page_url()
-
-        if redirect_url:
-            if tool.redirect_method == 'GET':
-                return HttpResponseRedirect(redirect_url)
-            elif tool.redirect_method == 'POST':
-                print(redirect_url)
-            else:
-                pass
+            if redirect_url:
+                if tool.redirect_method == 'GET':
+                    return HttpResponseRedirect(redirect_url)
+                elif tool.redirect_method == 'POST':
+                    print(redirect_url)
+                    return
+                else:
+                    pass
 
 
-        else:
-            messages.error(self.request, 'can not redirect to payment gateway')
-            messages.info(self.request, 'در پردازش صفحه خطایی وجود دارد.')
-            # TODO: redirect to error page
-            return HttpResponseRedirect(reverse('pg:payment-confirm-view', kwargs={'uuid': charge_request.uuid}))
+
+        messages.error(self.request, 'can not redirect to payment gateway')
+        messages.info(self.request, 'در پردازش صفحه خطایی وجود دارد.')
+        # TODO: redirect to error page
+        return HttpResponseRedirect(reverse('pg:payment-confirm-view', kwargs={'uuid': charge_request.uuid}))
 
 
 @method_decorator(csrf_exempt, name='dispatch')