diff --git a/apps/wallet/models.py b/apps/wallet/models.py
index b8adff7..6bc9568 100755
--- a/apps/wallet/models.py
+++ b/apps/wallet/models.py
@@ -1,3 +1,4 @@
+import logging
 from functools import cached_property
 
 from django.core.validators import MinValueValidator
@@ -17,6 +18,7 @@ from .constans import StateChoices, TypeChoices
 from apps.users.models import User
 from ..gooyal_oauth2.models import Application
 
+logger = logging.getLogger(__name__)
 
 class CurrencyChoices(models.TextChoices):
     IRANIAN_RIAL = '166ab7ce33b34799950d45035a9997d6', _('IRANIAN RIAL')  # uuid without dash
@@ -165,14 +167,19 @@ class Transaction(BaseModel):
             raise APIException(error_message)
 
     def withdraw_from_payer_balance(self):
+        logger.debug('start withdraw_from_payer_balance')
         payer_is_allowed_negative_balance = self.payer_account.owner_type == TypeChoices.APPLICATION.value and str(
             self.payer_account.owner_uuid) in settings.ALLOWED_NEGATIVE_BALANCE_APPLICATIONS
         if self.amount > self.payer_account.balance and not payer_is_allowed_negative_balance:
+            logger.error('not enough balance')
             raise UnprocessableEntity('not enough balance')
+        logger.info(f'payer_account balance {self.payee_account} -> {self.payer_account.balance} - {self.amount}')
         self.payer_account.balance = F('balance') - self.amount
         self.payer_account.save(update_fields=['balance'])
 
     def deposit_to_payee_balance(self):
+        logger.debug('start deposit_to_payee_balance')
+        logger.info(f'payee_account balance {self.payee_account} -> {self.payer_account.balance} + {self.amount}')
         self.payee_account.balance = F('balance') + self.amount
         self.payee_account.save(update_fields=['balance'])
 
@@ -242,9 +249,11 @@ class Transaction(BaseModel):
 
         if not self.payer_account.wallet.currency == self.payee_account.wallet.currency:
             self.change_state(from_state=self.state, to_state=StateChoices.FAILED)
+            logger.info(f'payer({self.payer_account.wallet.currency}) and payee({self.payee_account.wallet.currency}) account currency not equal')
             raise APIException('payer and payee account currency not equal')
 
         if not self.state == StateChoices.CREATED:
+            logger.debug( f'this transaction is not ready to pay(UUID:{self.uuid}, state:{self.state})')
             raise APIException('this transaction is not ready to pay')
 
         with transaction.atomic():