diff --git a/friends/migrations/0002_alter_friend_state.py b/friends/migrations/0002_alter_friend_state.py
new file mode 100644
index 0000000..c0aef6e
--- /dev/null
+++ b/friends/migrations/0002_alter_friend_state.py
@@ -0,0 +1,24 @@
+# Generated by Django 4.2.14 on 2024-07-31 05:38
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("friends", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="friend",
+            name="state",
+            field=models.CharField(
+                choices=[
+                    ("request", "Request"),
+                    ("approve", "Approve"),
+                    ("deny", "Deny"),
+                ],
+                max_length=20,
+            ),
+        ),
+    ]
diff --git a/friends/migrations/0003_alter_friend_state.py b/friends/migrations/0003_alter_friend_state.py
new file mode 100644
index 0000000..d469b67
--- /dev/null
+++ b/friends/migrations/0003_alter_friend_state.py
@@ -0,0 +1,25 @@
+# Generated by Django 4.2.14 on 2024-07-31 05:41
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("friends", "0002_alter_friend_state"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="friend",
+            name="state",
+            field=models.CharField(
+                choices=[
+                    ("request", "Request"),
+                    ("approve", "Approve"),
+                    ("deny", "Deny"),
+                ],
+                default="request",
+                max_length=20,
+            ),
+        ),
+    ]
diff --git a/friends/models.py b/friends/models.py
index 3a473bc..3f0404b 100644
--- a/friends/models.py
+++ b/friends/models.py
@@ -5,6 +5,12 @@
 
 
 class Friend(models.Model):
+    STATE_CHOICES = [
+        ("request", "Request"),
+        ("approve", "Approve"),
+        ("deny", "Deny"),
+    ]
+
     user = models.ForeignKey(User, on_delete=models.CASCADE, related_name="friends")
     friend = models.ForeignKey(User, on_delete=models.CASCADE, related_name="friend_of")
-    state = models.CharField(max_length=20, null=True, blank=True)
+    state = models.CharField(max_length=20, choices=STATE_CHOICES, default="request")
diff --git a/mustgou/settings.py b/mustgou/settings.py
index 321b507..3ef618c 100644
--- a/mustgou/settings.py
+++ b/mustgou/settings.py
@@ -42,7 +42,6 @@
     "rest_framework",
     "rest_framework.authtoken",
     "accounts",
-    "users",
     "friends",
     "restaurants",
     "reviews",
diff --git a/restaurants/views.py b/restaurants/views.py
index 37c8509..6c478b0 100644
--- a/restaurants/views.py
+++ b/restaurants/views.py
@@ -20,22 +20,19 @@ def restaurant_list(request):
 
 
 @api_view(["GET", "POST"])
+@login_required
 def search(request):
     if request.method == "GET":
-        if request.user.is_authenticated:
-            histories = SearchHistory.objects.filter(user=request.user)
-            serializer = SearchHistorySerializer(histories, many=True)
-            return Response({"histories": serializer.data})
-        else:
-            return Response({"error": "User not authenticated"}, status=401)
+        histories = SearchHistory.objects.filter(user=request.user)
+        serializer = SearchHistorySerializer(histories, many=True)
+        return Response({"histories": serializer.data})
 
     elif request.method == "POST":
         query = request.data.get("query", "")
         if not query:
             return Response({"error": "No search query provided"}, status=400)
 
-        if request.user.is_authenticated:
-            SearchHistory.objects.create(user=request.user, query=query)
+        SearchHistory.objects.create(user=request.user, query=query)
 
         restaurants = Restaurant.objects.filter(name__icontains=query)
         serializer = RestaurantListSerializer(restaurants, many=True)