diff --git a/src/platforms/Yw56Platform.php b/src/platforms/Yw56Platform.php
index 274bc00..7769635 100644
--- a/src/platforms/Yw56Platform.php
+++ b/src/platforms/Yw56Platform.php
@@ -138,7 +138,7 @@ public function getPrintUrl(string $orderNumber, array $params = []): string
             $filePath = "/tmp/" . $fileName;
 
             $cli->get(sprintf("%s/service/users/%d/expresses/%s/%sLABEL",
-                $this->endpoint, $this->userId, $orderNumber, "A4L"), [
+                $this->endpoint, $this->userId, $orderNumber, "A6L"), [
                 "save_to" => $filePath
             ]);