diff --git a/ansible_manager/migrations/0004_alter_ansiblejob_inventory_content_and_more.py b/ansible_manager/migrations/0004_alter_ansiblejob_inventory_content_and_more.py
new file mode 100644
index 0000000..d84de2d
--- /dev/null
+++ b/ansible_manager/migrations/0004_alter_ansiblejob_inventory_content_and_more.py
@@ -0,0 +1,23 @@
+# Generated by Django 4.2.14 on 2025-04-09 13:05
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('ansible_manager', '0003_ansiblejob_delete_ansibletask'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='ansiblejob',
+            name='inventory_content',
+            field=models.TextField(blank=True, null=True),
+        ),
+        migrations.AlterField(
+            model_name='ansiblejob',
+            name='playbook_content',
+            field=models.TextField(blank=True, null=True),
+        ),
+    ]
diff --git a/ansible_manager/models.py b/ansible_manager/models.py
index c1cf72a..8054ce1 100644
--- a/ansible_manager/models.py
+++ b/ansible_manager/models.py
@@ -11,8 +11,8 @@ class AnsibleJob(models.Model):
     ]
 
     name = models.CharField(max_length=200)
-    playbook_content = models.TextField(help_text="Ansible Playbook YAML 내용")
-    inventory_content = models.TextField(help_text="Ansible Inventory 내용")
+    playbook_content = models.TextField(blank=True, null=True) # Ansible Playbook YAML 내용
+    inventory_content = models.TextField(blank=True, null=True) # Ansible Inventory 내용
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)
     status = models.CharField(max_length=20, choices=STATUS_CHOICES, default='PENDING')
diff --git a/ansible_manager/templates/ansible_manager/create_job.html b/ansible_manager/templates/ansible_manager/create_job.html
index 7115edd..c7cff52 100644
--- a/ansible_manager/templates/ansible_manager/create_job.html
+++ b/ansible_manager/templates/ansible_manager/create_job.html
@@ -13,5 +13,6 @@
     {{ form.inventory_content }}
 
     <button type="submit" class="btn btn-primary">Create</button>
+    <a href="{% url 'ansible_manager:job_list' %}" class="btn btn-secondary">Cancel</a>
 </form>
 {% endblock %}
diff --git a/version b/version
index b946a3c..949c9ee 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-dev_0.0.33
\ No newline at end of file
+dev_0.0.34
\ No newline at end of file