diff --git a/main.py b/main.py
index 14474a9..03b8e5f 100644
--- a/main.py
+++ b/main.py
@@ -6,6 +6,7 @@
 import os
 import sys
 import traceback
+from datetime import datetime
 
 import pymongo
 
@@ -38,6 +39,7 @@ def sync_data(game):
 
 if __name__ == '__main__':
     game_list = sys.argv[1:]
+    print(datetime.now().strftime('%Y/%m/%d %H:%M:%S'))
     for game in game_list:
         try:
             sync_data(game)