diff --git a/apps/users/migrations/0004_alter_user_balance.py b/apps/users/migrations/0004_alter_user_balance.py
new file mode 100644
index 0000000..1d53da8
--- /dev/null
+++ b/apps/users/migrations/0004_alter_user_balance.py
@@ -0,0 +1,18 @@
+# Generated by Django 4.1 on 2022-09-25 19:05
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('users', '0003_user_ott_user_ott_expire'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='user',
+            name='balance',
+            field=models.BigIntegerField(default=0, verbose_name='balance'),
+        ),
+    ]
diff --git a/apps/users/models.py b/apps/users/models.py
index 89fe7c2..3693bde 100644
--- a/apps/users/models.py
+++ b/apps/users/models.py
@@ -117,7 +117,7 @@ class User(AbstractUser):
     ott_expire = models.DateTimeField(_('otp expire'), blank=True, null=True)
 
     last_checkout_request = models.DateTimeField(_('otp expire'), max_length=30, blank=True, null=True)
-    balance = models.IntegerField(_('balance'), default=0)
+    balance = models.BigIntegerField(_('balance'), default=0)
 
     iban = models.CharField(null=True, max_length=30, blank=True)
     iban_verified = models.BooleanField(null=True)
diff --git a/client.py b/client.py
index c729eff..677b4b1 100644
--- a/client.py
+++ b/client.py
@@ -176,7 +176,7 @@ class ApiClient():
         return self._request(url=url)
 
     def get_course_list(self):
-        url = 'http://127.0.0.1:8000/api/courses/'
+        url = 'http://markaz:8002/api/courses/'
         return self._request(url=url)
 
     # create user invoice