diff --git a/app/models/orders/orders.go b/app/models/orders/orders.go
index 82f5aca..4f72030 100644
--- a/app/models/orders/orders.go
+++ b/app/models/orders/orders.go
@@ -118,7 +118,7 @@ func (m *ordersModel) Search(
 		args = append(args, merchant_id)
 	}
 	if product_id != 0 {
-		sql += " and merchant_id = ?"
+		sql += " and product_id = ?"
 		args = append(args, product_id)
 	}
 	if out_trade_no != "" {