默认签名 (#169)

Author: timjuly

src/Gateways/QcloudGateway.php

@@ -47,7 +47,7 @@ public function send(PhoneNumberInterface $to, MessageInterface $message, Config
     {
         $data = $message->getData($this);
 
-        $signName = !empty($data['sign_name']) ? $data['sign_name'] : $config->get('sign_name');
+        $signName = !empty($data['sign_name']) ? $data['sign_name'] : $config->get('sign_name', '');
 
         unset($data['sign_name']);