diff --git a/services/backend/apps/review/apps.py b/services/backend/apps/review/apps.py
index 27080a3..138bf7f 100644
--- a/services/backend/apps/review/apps.py
+++ b/services/backend/apps/review/apps.py
@@ -5,3 +5,6 @@ class CoreConfig(AppConfig):
     name = "apps.review"
     label = "review"
     verbose_name = "Проверка"
+
+    def ready(self):
+        import apps.review.signals
diff --git a/services/backend/apps/review/signals.py b/services/backend/apps/review/signals.py
new file mode 100644
index 0000000..44da6c2
--- /dev/null
+++ b/services/backend/apps/review/signals.py
@@ -0,0 +1,14 @@
+# myapp/signals.py
+from django.db.models.signals import m2m_changed
+from django.dispatch import receiver
+
+from apps.review.models import Review
+from apps.task.models import CompetitionTask, CompetitionTaskSubmission
+
+
+@receiver(m2m_changed, sender=CompetitionTask.reviewers.through)
+def print_reviewers(sender, instance, action, **kwargs):
+    if action in ['post_add', 'post_remove', 'post_clear']:
+        submissions = CompetitionTaskSubmission.objects.filter(task=instance)
+        for submission in submissions:
+            submission.send_on_review()
\ No newline at end of file
diff --git a/services/backend/apps/task/models.py b/services/backend/apps/task/models.py
index 17232b8..dc917ef 100644
--- a/services/backend/apps/task/models.py
+++ b/services/backend/apps/task/models.py
@@ -182,7 +182,7 @@ class CompetitionTaskSubmission(BaseModel):
         ]  # да это медленно работает и чо
 
         for reviewer in reviewers:
-            Review.objects.create(
+            Review.objects.update_or_create(
                 reviewer=reviewer,
                 submission=self,
             )