diff --git a/booth/migrations/0008_alter_comment_password.py b/booth/migrations/0008_alter_comment_password.py
new file mode 100644
index 0000000..fb92c38
--- /dev/null
+++ b/booth/migrations/0008_alter_comment_password.py
@@ -0,0 +1,19 @@
+# Generated by Django 5.0.4 on 2024-05-27 00:14
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('booth', '0007_alter_boothlocationoperationtime_unique_together'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='comment',
+            name='password',
+            field=models.CharField(max_length=4, validators=[django.core.validators.RegexValidator(message='Error : Password must be a 4-digit number', regex='^\\d{4}$')]),
+        ),
+    ]
diff --git a/booth/models.py b/booth/models.py
index 964cbe5..fdf1edf 100644
--- a/booth/models.py
+++ b/booth/models.py
@@ -1,6 +1,6 @@
 from django.db import models
 from core.models import *
-
+from django.core.validators import RegexValidator
 # Create your models here.
 
 TYPE_CHOICES=(
@@ -63,7 +63,10 @@ class BoothImage(BaseImage):
 class Comment(models.Model):
     booth=models.ForeignKey(Booth, on_delete=models.CASCADE, related_name='comments')
     content=models.TextField()
-    password=models.CharField(max_length=10, null=False, blank=False)
+    password = models.CharField(
+        max_length=4,
+        validators=[RegexValidator(regex='^\d{4}$', message='Error : Password must be a 4-digit number')]
+    )
     created_at=models.DateTimeField(auto_now_add=True)
 
     def __str__(self):
diff --git a/booth/serializers.py b/booth/serializers.py
index 222dbbd..6106313 100644
--- a/booth/serializers.py
+++ b/booth/serializers.py
@@ -1,5 +1,6 @@
 from datetime import datetime
 from rest_framework import serializers
+from django.core.validators import RegexValidator
 
 from.models import Booth, BoothImage, BoothLike, Comment, BoothLocationOperationTime
 from datetime import datetime, date
@@ -188,7 +189,11 @@ class Meta:
                 ]
 
 class CommentSerializer(serializers.ModelSerializer):
-    password = serializers.CharField(write_only=True)
+    password = serializers.CharField(
+        max_length=4,
+        validators=[RegexValidator(regex='^\d{4}$', message='Error : Password must be a 4-digit number')]
+    , write_only=True)
+    
     content = serializers.CharField()
 
     def create(self, validated_data):
diff --git a/notice/views.py b/notice/views.py
index 06f6b25..841a52c 100644
--- a/notice/views.py
+++ b/notice/views.py
@@ -9,7 +9,7 @@
 #     queryset = Notification.objects.all()
 
 class NotificationViewSet(viewsets.GenericViewSet, mixins.ListModelMixin):
-    queryset = Notification.objects.all()
+    queryset = Notification.objects.all().order_by('id')
 
     def get_serializer_class(self):
         if self.action == 'list':
diff --git a/promo/views.py b/promo/views.py
index 252df9b..28b2d58 100644
--- a/promo/views.py
+++ b/promo/views.py
@@ -6,7 +6,7 @@
 
 # 디테일 페이지가 필요치 않으므로 list만 구현
 class PromotionViewSet(viewsets.GenericViewSet, mixins.ListModelMixin):
-    queryset = Promotion.objects.all()
+    queryset = Promotion.objects.all().order_by('id')
     serializer_class = PromotionSerializer
 
 class PromotionBannerViewSet(viewsets.GenericViewSet, mixins.ListModelMixin):
diff --git a/timetable/views.py b/timetable/views.py
index c91b6ef..b0f1b1a 100644
--- a/timetable/views.py
+++ b/timetable/views.py
@@ -62,13 +62,13 @@ def get_serializer_class(self):
         return PerformanceSerializer
 
 class ArtistViewSet(viewsets.GenericViewSet, mixins.ListModelMixin, mixins.RetrieveModelMixin):
-    queryset = Artist.objects.all()
+    queryset = Artist.objects.all().order_by('id')
     serializer_class = ArtistSerializer
     filter_backends = [DjangoFilterBackend]
     filterset_class = ArtistFilter
 
 class MusicViewSet(viewsets.GenericViewSet, mixins.ListModelMixin):
-    queryset = Music.objects.all()
+    queryset = Music.objects.all().order_by('id')
     serializer_class = MusicSerializer
 
 class isNowPerformanceViewSet(viewsets.GenericViewSet, mixins.ListModelMixin):