diff --git a/backend/api/account/client/views.py b/backend/api/account/client/views.py
index b38a206..01de539 100644
--- a/backend/api/account/client/views.py
+++ b/backend/api/account/client/views.py
@@ -8,12 +8,11 @@ from django.shortcuts import get_object_or_404
 from django.core.validators import validate_email
 from django.core.exceptions import ValidationError
 from django.db import models
-from django.contrib.auth.models import User
 
 from api.auth.serializers import UserResponseSerializer
 from api.models import UserProfile
 from api.utils.decorators import handle_exceptions
-from routes.models import Route, City, Country, Leads
+from routes.models import Route, City, Country
 from sitemanagement.models import Pricing
 from .serializers import RouteSerializer, CreateRouteSerializer, CitySerializer, CountrySerializer, PlanChangeSerializer, PricingSerializer, LeadSerializer
 
diff --git a/backend/routes/migrations/0006_alter_city_id_alter_country_id_alter_leads_id_and_more.py b/backend/routes/migrations/0006_alter_city_id_alter_country_id_alter_leads_id_and_more.py
new file mode 100644
index 0000000..4e8ff1a
--- /dev/null
+++ b/backend/routes/migrations/0006_alter_city_id_alter_country_id_alter_leads_id_and_more.py
@@ -0,0 +1,33 @@
+# Generated by Django 5.2.1 on 2025-05-24 12:15
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('routes', '0005_alter_leads_moving_price'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='city',
+            name='id',
+            field=models.BigAutoField(primary_key=True, serialize=False),
+        ),
+        migrations.AlterField(
+            model_name='country',
+            name='id',
+            field=models.BigAutoField(primary_key=True, serialize=False),
+        ),
+        migrations.AlterField(
+            model_name='leads',
+            name='id',
+            field=models.BigAutoField(primary_key=True, serialize=False),
+        ),
+        migrations.AlterField(
+            model_name='route',
+            name='id',
+            field=models.BigAutoField(primary_key=True, serialize=False),
+        ),
+    ]
diff --git a/backend/routes/models.py b/backend/routes/models.py
index 0a764c7..54d0d66 100644
--- a/backend/routes/models.py
+++ b/backend/routes/models.py
@@ -3,6 +3,7 @@ from django.contrib.auth.models import User
 from routes.constants.routeChoices import owner_type_choices, type_transport_choices, cargo_type_choices
 
 class Country(models.Model):
+    id = models.BigAutoField(primary_key=True)
     international_name = models.CharField(max_length=250, verbose_name=('Международное название'), blank=True, null=True)
     official_name = models.CharField(max_length=250, verbose_name=('Официальное название'), blank=True, null=True)
 
@@ -25,13 +26,14 @@ class Country(models.Model):
         upload_to='uploads/flags/', verbose_name=('Флаг'),
         null=True, blank=True, help_text=u'')
 
-    def __str__(self):
+    def __str__(self) -> str:
         if self.international_name:
             return f'{self.international_name}'
         elif self.official_name:
             return f'{self.official_name}'
         elif self.code:
             return f'{self.code}'
+        return super().__str__()
 
     class Meta:
         verbose_name = ('Страна')
@@ -40,7 +42,7 @@ class Country(models.Model):
 
 
 class City(models.Model):
-
+    id = models.BigAutoField(primary_key=True)
     country = models.ForeignKey(
         Country, verbose_name=('Страна'), related_name='rel_cities_for_country', on_delete=models.CASCADE)
 
@@ -54,7 +56,7 @@ class City(models.Model):
 
     parsing_finished_DT = models.DateTimeField(verbose_name=('Дата и время завершения парсинга'), blank=True, null=True)
 
-    def __str__(self):
+    def __str__(self) -> str:
        return f'{self.name}'
 
     class Meta:
@@ -63,6 +65,7 @@ class City(models.Model):
         ordering = ('name',)
 
 class Route(models.Model):
+    id = models.BigAutoField(primary_key=True)
     owner_type = models.CharField(
         choices=owner_type_choices, default='customer', verbose_name=('Тип операции'))
 
@@ -102,7 +105,7 @@ class Route(models.Model):
         blank=True, null=True
     )
     
-    def __str__(self):
+    def __str__(self) -> str:
         from_city_name = self.from_city.name if self.from_city else 'Не указан'
         to_city_name = self.to_city.name if self.to_city else 'Не указан'
         return f"Маршрут #{self.id}: {from_city_name} → {to_city_name}"
@@ -113,6 +116,7 @@ class Route(models.Model):
         ordering = ('id',)
 
 class Leads(models.Model):
+    id = models.BigAutoField(primary_key=True)
     route = models.ForeignKey(Route, verbose_name="Маршрут", on_delete=models.CASCADE)
     moving_user = models.ForeignKey(User, verbose_name="Перевозчик", on_delete=models.CASCADE)
     moving_price = models.DecimalField(max_digits=10, decimal_places=2)
@@ -125,5 +129,5 @@ class Leads(models.Model):
         verbose_name_plural = 'Заявки'
         ordering = ['-created_at']
         
-    def __str__(self):
+    def __str__(self) -> str:
         return f"Заявка по маршруту {self.route}"
\ No newline at end of file