diff --git a/discount/init.py b/discount/init.py
index b792c53..412a27f 100644
--- a/discount/init.py
+++ b/discount/init.py
@@ -34,9 +34,10 @@ async def discount_qrcode(request, params_kw):
 			'expired_date': expired_date,
 			'qr_webpath': webp
 		}
-		await sor.C('discount_qr', Cret.copy())
+		await sor.C('discount_qr', ret.copy())
 		return ret
 	return None
+
 async def set_promote_discount(request, params_kw):
 	env = request._run_ns
 	id = params_kw.id