bugfix: EK-1022: 新注册的会员没有收到Welcome Message Email.

common/helpers/Email.php

@@ -25,6 +25,6 @@ class Email
             ->setHtmlBody($message)
             ->send();
 
-        LoggerTool::info('sendRegistrationEmail' . sprintf('sendRegistrationEmail: %s', json_encode([$email, $userName, $password, $response])));
+        LoggerTool::debug('sendRegistrationEmail' . sprintf('sendRegistrationEmail: %s', json_encode([$email, $userName, $password, $response])));
     }
 }