diff --git a/jandan_toot.py b/jandan_toot.py
index 8aa34b5..a83b5dd 100644
--- a/jandan_toot.py
+++ b/jandan_toot.py
@@ -148,6 +148,6 @@ while True:
     toot(proxy=usable_proxy)
     time.sleep(20)
   except Exception as ex:
-    logger.error(traceback.format_exc())
+    logger.error('!!! %s, %s', time.asctime(), traceback.format_exc())
     time.sleep(10)