diff --git a/backend/project/config/settings.py b/backend/project/config/settings.py
index f3239b1..d249569 100755
--- a/backend/project/config/settings.py
+++ b/backend/project/config/settings.py
@@ -157,4 +157,5 @@ if DEBUG and not (TESTING or MIGRATING):
 
 CORS_ALLOWED_ORIGINS = [
     "http://158.160.56.239:8080",
+    "http://158.160.56.239:3000",
 ]
diff --git a/backend/project/teams/serializer.py b/backend/project/teams/serializers.py
similarity index 100%
rename from backend/project/teams/serializer.py
rename to backend/project/teams/serializers.py
diff --git a/backend/project/teams/views.py b/backend/project/teams/views.py
index 8beef7c..2020407 100644
--- a/backend/project/teams/views.py
+++ b/backend/project/teams/views.py
@@ -5,7 +5,7 @@ from rest_framework.views import APIView
 
 from teams.models import Team
 
-from .serializers import TeamSerializer
+from teams.serializers import TeamSerializer
 
 
 class AddUserToTeam(APIView):