diff --git a/evaluate_service/evaluate_service/run_flask.py b/evaluate_service/evaluate_service/run_flask.py
index ba50dcbf..8b4af798 100644
--- a/evaluate_service/evaluate_service/run_flask.py
+++ b/evaluate_service/evaluate_service/run_flask.py
@@ -101,6 +101,7 @@ def run_flask(app, host, port, security_mode):
                 max_content_length = int(config["limit"]["max_content_length"])
     else:
         server = pywsgi.WSGIServer((host, port), app)
+    logging.warning("Start the evaluate service.")
 
     server.init_socket()
     server._stop_event.clear()