diff --git a/supplier/supplier.go b/supplier/supplier.go
index 306f22f..0862e2f 100644
--- a/supplier/supplier.go
+++ b/supplier/supplier.go
@@ -132,6 +132,16 @@ func (s *supplier) InfoByBatchOrderSn(ctx context.Context, batchOrderSn string)
 	return
 }
 
+// InfoByRetailOrderSn @Title 通过零售订单获取供应商信息
+func (s *supplier) InfoByRetailOrderSn(ctx context.Context, retailOrderSn string) (reply ReplySupplierInfo, err error) {
+	xClient, err := client.GetClient(s)
+	if err != nil {
+		return ReplySupplierInfo{}, err
+	}
+	err = xClient.Call(ctx, "InfoByRetailOrderSn", retailOrderSn, &reply)
+	return
+}
+
 type ArgsSupplierEdit struct {
 	SupplierId   uint
 	SupplierName string // 供应商名称