diff --git a/backend/product/models.py b/backend/product/models.py
index 8c77375..a860acd 100644
--- a/backend/product/models.py
+++ b/backend/product/models.py
@@ -23,7 +23,7 @@ class MainCategoryModel(models.Model):
 
     def save(self, *args, **kwargs):
         if not self.slug:
-            self.slug = slugify(self.name, allow_unicode=True)
+            self.slug = 'category-' + slugify(self.name, allow_unicode=True)
         super().save(*args, **kwargs)
 
 
diff --git a/backend/product/views.py b/backend/product/views.py
index 95c8f24..5b76a30 100644
--- a/backend/product/views.py
+++ b/backend/product/views.py
@@ -95,12 +95,12 @@ class AllProductsView(APIView):
                 description="slug category (send it with category type)",
                 required=False,
                 ),
-            OpenApiParameter(
-                name="category_type",
-                type=OpenApiTypes.STR,
-                required=False,
-                enum=['sub', 'main'],
-                ),
+            # OpenApiParameter(
+            #     name="category_type",
+            #     type=OpenApiTypes.STR,
+            #     required=False,
+            #     enum=['sub', 'main'],
+            #     ),
             OpenApiParameter(
                 name="price_gte",
                 description="Filter products with price greater than or equal to this value.",
@@ -161,22 +161,13 @@ class AllProductsView(APIView):
     def get(self, request):
         try:
             category_slug = request.query_params.get('category')
-            category_type = request.query_params.get('category_type')
-
-            VALID_CATEGORY_TYPES = {'sub', 'main'}
             products = ProductModel.objects.all()
 
             if category_slug:
-                if category_type not in VALID_CATEGORY_TYPES:
-                    return Response(
-                        {"detail": "category_type must be one of ['sub', 'main']"},
-                        status=status.HTTP_400_BAD_REQUEST
-                    )
-
-                if category_type == 'sub':
+                if 'category' not  in category_slug:
                     sub_category = get_object_or_404(SubCategoryModel, slug=category_slug)
                     products = ProductModel.objects.filter(category=sub_category)
-                else:  # category_type == 'main'
+                else:
                     main_category = get_object_or_404(MainCategoryModel, slug=category_slug)
                     sub_categories = main_category.subcategorys.all()
                     products = ProductModel.objects.filter(category__in=sub_categories)