diff --git a/discount/init.py b/discount/init.py
index 078531c..696da01 100644
--- a/discount/init.py
+++ b/discount/init.py
@@ -827,11 +827,10 @@ async def get_marketing_discount_products(request):
     FROM product p
     LEFT JOIN product_category pc ON p.category_id = pc.id
     LEFT JOIN (
-        SELECT dd.productid, MAX(dd.discount) as discount
+        SELECT dd.productid, dd.discount
         FROM discount_detail dd
         JOIN discount d ON dd.discountid = d.id
-        WHERE d.resellerid = ${org_id}$ AND (d.customerid IS NULL OR d.customerid = '*')
-        GROUP BY dd.productid
+        WHERE d.resellerid = ${org_id}$ AND d.customerid = '*'
     ) base ON base.productid = p.id
     LEFT JOIN discount_detail mkt ON mkt.productid = p.id AND mkt.discountid = ${discountid}$
     WHERE p.org_id = ${org_id}$ AND p.status = '1'