diff --git a/client.go b/client.go
index 71c1f0b..83fde00 100644
--- a/client.go
+++ b/client.go
@@ -40,3 +40,7 @@ func (c *Client) ArticleService() ArticleServiceClient {
 func (c *Client) ConsignBidClient() BidClient {
 	return c.consignBidClient
 }
+
+func (c *Client) PreSaleBidClient() BidClient {
+	return c.preSaleBidClient
+}