diff --git a/apps/product/management/commands/add_product_tag.py b/apps/product/management/commands/add_product_tag.py
index b93a5672..e8bb2f3f 100644
--- a/apps/product/management/commands/add_product_tag.py
+++ b/apps/product/management/commands/add_product_tag.py
@@ -91,7 +91,7 @@ class Command(BaseCommand):
             products = Product.objects.filter(old_id=t.product_id)
             if products.exists():
                 for p in products:
-                    p.tags.add(tag)
+                    p.tags.add(*list(tag))
                     p.save()
 
         self.stdout.write(self.style.WARNING(f'Add or get tag objects.'))