diff --git a/server/mailsender_py/mailsender.py b/server/mailsender_py/mailsender.py
index 23cb606..c7fdbc7 100644
--- a/server/mailsender_py/mailsender.py
+++ b/server/mailsender_py/mailsender.py
@@ -105,6 +105,7 @@ def fetchEvent():
     global db_idx_hash
     mysql_cluster_conf = json.loads(open(CONFIG_DIR + '/mailsender.mysql.cluster.json', 'r').read())
     for conf in mysql_cluster_conf:
+        print(conf)
         conn = pymysql.connect(host = conf['host'],
                                port = conf['port'],
                                user = conf['user'],