diff --git a/users/services.py b/users/services.py
index 9ea3ba6..8dee258 100644
--- a/users/services.py
+++ b/users/services.py
@@ -16,22 +16,17 @@ class CheckUserFieldDuplicateService:
     @staticmethod
     def check_custom_url_duplicate():
         pass
-
-# 알림 관련 서비스 로직
-class NotifiationService:
-    @staticmethod
-    def set_content_by_type():
-        pass
+        
 
 
 class UserToNotificationService:
     @staticmethod
     def get_new_notification_count(user: User):
-        return user.notifications.filter(created_at__lt=thirty_days_ago, is_read=False).count()
+        return user.notifications.filter(created_at__gt=thirty_days_ago, is_read=False).count()
     
     @staticmethod
     def get_all_notification(user: User):
-        return user.notifications.filter(created_at__lt=thirty_days_ago)
+        return user.notifications.filter(created_at__gt=thirty_days_ago)
     
 
 # 유저 -> 포트폴리오 관련 서비스 로직
@@ -82,4 +77,3 @@ class UserToProjectService:
     @staticmethod
     def get_scrap_project(user: User):
         return user.scrapped_projects.filter(is_published=True)
-