diff --git a/uncloud_pay/models.py b/uncloud_pay/models.py
index d1c03e7..6169d4f 100644
--- a/uncloud_pay/models.py
+++ b/uncloud_pay/models.py
@@ -670,6 +670,7 @@ class Product(UncloudModel):
if not when_to_start:
when_to_start = timezone.now()
+ # NEXT: find the latest order, use that one...
# Update order = create new order
if self.order:
previous_order = self.order
diff --git a/uncloud_pay/templates/bill.html.j2 b/uncloud_pay/templates/bill.html.j2
index 5baa7ca..6fdfca8 100644
--- a/uncloud_pay/templates/bill.html.j2
+++ b/uncloud_pay/templates/bill.html.j2
@@ -672,16 +672,12 @@ oAsAAAAAAACGQNAFAAAAAAAAQyDoAgAAAAAAgCEQdAEAAAAAAMAQCLoAAAAAAABgCP83AL6WQ1Y7