diff --git a/server/apps/research/migrations/0014_alter_article_authors.py b/server/apps/research/migrations/0014_alter_article_authors.py
new file mode 100644
index 0000000..493f07c
--- /dev/null
+++ b/server/apps/research/migrations/0014_alter_article_authors.py
@@ -0,0 +1,18 @@
+# Generated by Django 5.0.8 on 2024-12-02 08:20
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('research', '0013_alter_article_authors'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='article',
+            name='authors',
+            field=models.ManyToManyField(blank=True, related_name='articles', to='research.author'),
+        ),
+    ]
diff --git a/server/apps/research/models/article.py b/server/apps/research/models/article.py
index 2a0f57b..6172bf2 100644
--- a/server/apps/research/models/article.py
+++ b/server/apps/research/models/article.py
@@ -26,7 +26,7 @@ class Article(BaseModel):
     content = HTMLField(blank=True, null=True)
     summary = models.TextField(blank=True)
     acknowledgement = HTMLField(blank=True, null=True)
-    authors = models.ManyToManyField(Author, related_name='articles')
+    authors = models.ManyToManyField(Author, blank=True, related_name='articles')
     slug = models.SlugField(max_length=255, blank=True, db_index=True)
     categories = models.ManyToManyField(Category, blank=True, related_name='articles')
     thumb = models.ImageField(upload_to='images/', default=get_default_thumb, blank=True)
diff --git a/server/core/config/base.py b/server/core/config/base.py
index eb3de97..ae1ed98 100644
--- a/server/core/config/base.py
+++ b/server/core/config/base.py
@@ -57,7 +57,7 @@
 
 THIRD_PARTY_APPS = [
     'corsheaders',
-    #'django_celery_beat',
+    'django_celery_beat',
     'tinymce',    
 ]