diff --git a/apps/pg/models.py b/apps/pg/models.py
index d0ab3e1..01358df 100644
--- a/apps/pg/models.py
+++ b/apps/pg/models.py
@@ -14,8 +14,8 @@ from apps.core.models import BaseModel, BasePGModel
 from apps.pg.constans import StateChoices
 import uuid
 
-from utils.wallet_client import deposit_to_user_wallet_submit, \
-    deposit_to_user_wallet_verify
+from utils.wallet_client import deposit_to_user_wallet_submit, deposit_to_user_wallet_verify
+from main import settings
 
 from utils.pna import PNAClient
 from django.utils.translation import gettext_lazy as _
@@ -70,11 +70,11 @@ class PaymentRequest(models.Model):
         return to_jalali(self.created_at)
 
     def calculate_commission(self):
-        self.commission = 1200
-        if 6000000 <= self.amount <= 400000000:
-            self.commission = 0.0002 * self.amount
-        elif 400000000 < self.amount:
-            self.commission = 80000
+        self.commission = settings.COMMISSION_LEVEL1
+        if settings.COMMISSION_LEVEL2_MIN_AMOUNT <= self.amount <= settings.COMMISSION_LEVEL2_MAX_AMOUNT:
+            self.commission = settings.COMMISSION_LEVEL2_RATE * self.amount
+        elif settings.COMMISSION_LEVEL2_MAX_AMOUNT < self.amount:
+            self.commission = settings.COMMISSION_LEVEL3
         self.save(update_fields=['commission'])
 
 
diff --git a/main/settings.py b/main/settings.py
index 1dfd128..602da3a 100644
--- a/main/settings.py
+++ b/main/settings.py
@@ -257,3 +257,8 @@ PNA_CORPORATION_PIN = config('PNA_CORPORATION_PIN')
 WALLET_BASE_PUBLIC_URL = config('WALLET_BASE_PUBLIC_URL')
 WALLET_RIAL = config('WALLET_RIAL')
 IPG_BASE_PUBLIC_URL = config('IPG_BASE_PUBLIC_URL')
+COMMISSION_LEVEL1 = config('COMMISSION_LEVEL1', cast=int)
+COMMISSION_LEVEL2_MIN_AMOUNT = config('COMMISSION_LEVEL2_MIN_AMOUNT', cast=int)
+COMMISSION_LEVEL2_MAX_AMOUNT = config('COMMISSION_LEVEL2_MAX_AMOUNT', cast=int)
+COMMISSION_LEVEL2_RATE = config('COMMISSION_LEVEL2_RATE', cast=float)
+COMMISSION_LEVEL3 = config('COMMISSION_LEVEL3', cast=int)