diff --git a/download_speed/log.py b/download_speed/log.py
index f31e057..e2c0c0c 100644
--- a/download_speed/log.py
+++ b/download_speed/log.py
@@ -9,6 +9,7 @@ def find_main():
     return config.get_main_path()
 
 
+# *args cannot be ignore
 def _custom_time(*args):
     utc_dt = datetime.datetime.utcnow()
     converted = utc_dt + datetime.timedelta(hours=8)