diff --git a/core/apps/orders/models/party.py b/core/apps/orders/models/party.py
index 73f27f9..76af9b3 100644
--- a/core/apps/orders/models/party.py
+++ b/core/apps/orders/models/party.py
@@ -102,7 +102,10 @@ class PartyAmount(BaseModel):
         verbose_name = 'Partiya Summasi'
         verbose_name_plural = 'Partiya summalari'
     
-
+    def save(self, *args, **kwargs):
+        if self.calculated_amount < self.paid_amount:
+            self.payment_amount = self.paid_amount - self.calculated_amount
+        return super().save(*args, **kwargs)
 
 class DeletedParty(BaseModel):
     party = models.ForeignKey(Party, on_delete=models.CASCADE, related_name='deleted_parties')
diff --git a/core/apps/orders/serializers/party.py b/core/apps/orders/serializers/party.py
index 7a39eae..3efbb47 100644
--- a/core/apps/orders/serializers/party.py
+++ b/core/apps/orders/serializers/party.py
@@ -103,6 +103,8 @@ class PartyAmountSerializer(serializers.ModelSerializer):
             "calculated_amount",
             "paid_amount",
             "payment_amount",
+            "debt_amount",
+            "total_expense_amount",
         ]
 
 
diff --git a/core/apps/orders/views/party.py b/core/apps/orders/views/party.py
index 61fb948..7999660 100644
--- a/core/apps/orders/views/party.py
+++ b/core/apps/orders/views/party.py
@@ -224,7 +224,7 @@ class PartyStatisticsApiView(generics.GenericAPIView):
             overdue_payments=Sum(
                 'party_amount__payment_amount',
                 filter=Q(payment_date__lt=today)
-            )
+            ) 
         )
         res = {
             'usd': usd,