diff --git a/apps/crud/migrations/0003_alter_plan_owner.py b/apps/crud/migrations/0003_alter_plan_owner.py
new file mode 100644
index 0000000..e99beed
--- /dev/null
+++ b/apps/crud/migrations/0003_alter_plan_owner.py
@@ -0,0 +1,21 @@
+# Generated by Django 5.0.6 on 2024-07-29 13:42
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('crud', '0002_plan_client_id_alter_data_unique_together'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='plan',
+            name='owner',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to=settings.AUTH_USER_MODEL),
+        ),
+    ]
diff --git a/apps/crud/models.py b/apps/crud/models.py
index 8d83bbf..dca725f 100644
--- a/apps/crud/models.py
+++ b/apps/crud/models.py
@@ -6,7 +6,7 @@ from apps.users.models import User
 class Plan(models.Model):
     application = models.ForeignKey(Application, on_delete=models.PROTECT)
     client_id = models.CharField(max_length=255, null=True, blank=True)
-    owner = models.ForeignKey(User, on_delete=models.PROTECT)
+    owner = models.ForeignKey(User, on_delete=models.PROTECT, null=True, blank=True)
     record_count = models.IntegerField(default=0)
     record_limit = models.IntegerField(default=0)
 
diff --git a/apps/crud/views.py b/apps/crud/views.py
index 0484382..941cc3f 100644
--- a/apps/crud/views.py
+++ b/apps/crud/views.py
@@ -29,7 +29,9 @@ class DataViewSet(mixins.RetrieveModelMixin,
         user = self.request.user
         auth = self.request.auth
         if auth:
-            plan = Plan.objects.filter(application_id=auth.application_id).first()
+            # plan = Plan.objects.filter(application_id=auth.application_id).first()
+            plan, created = Plan.objects.get_or_create(application_id=auth.application_id)
+            # data, created = Data.objects.get_or_create(plan_id=plan.pk, user=user)
             data, created = Data.objects.get_or_create(plan_id=plan.pk, user=user)
             return data