diff --git a/backend/product/views.py b/backend/product/views.py
index f37c20a..d00dfd9 100644
--- a/backend/product/views.py
+++ b/backend/product/views.py
@@ -66,14 +66,14 @@ class AllCategories(APIView):
             instance=categories, many=True, context={'request': request})
         return Response(categories_ser.data, status=status.HTTP_200_OK)
 class UnitCategorySerializerV2(serializers.ModelSerializer):
-    maincategorys = serializers.SerializerMethodField()
+    subcategorys = serializers.SerializerMethodField()
 
     class Meta:
         model = UnitCategoryModel
         fields = ['id', 'name', 'slug', 'icon', 'meta_title',
-                  'meta_description', 'image', 'maincategorys']
+                  'meta_description', 'image', 'subcategorys']
 
-    def get_maincategorys(self, obj):
+    def get_subcategorys(self, obj):
         main_categories = obj.maincategorys.all()
         return MainCategorySerializer(main_categories, many=True, context=self.context).data