diff --git a/magnet_dht/crawler.py b/magnet_dht/crawler.py
index 9f72a1e..962ea9c 100644
--- a/magnet_dht/crawler.py
+++ b/magnet_dht/crawler.py
@@ -1,5 +1,5 @@
 #! usr/bin/python
-# encoding=utf8
+# encoding=utf-8
 
 import socket
 import codecs
diff --git a/magnet_dht/magnet_to_torrent_aria2c.py b/magnet_dht/magnet_to_torrent_aria2c.py
index 9b8361d..1f860f9 100644
--- a/magnet_dht/magnet_to_torrent_aria2c.py
+++ b/magnet_dht/magnet_to_torrent_aria2c.py
@@ -1,5 +1,5 @@
 #!usr/bin/python
-# encoding=utf8
+# encoding=utf-8
 
 from http.client import HTTPConnection
 import json
diff --git a/magnet_dht/utils.py b/magnet_dht/utils.py
index f27b871..0de4061 100644
--- a/magnet_dht/utils.py
+++ b/magnet_dht/utils.py
@@ -1,5 +1,5 @@
 #!usr/bin/python
-# encoding=utf8
+# encoding=utf-8
 
 import os
 import logging
diff --git a/manage.py b/manage.py
index 4655e81..7b7c881 100644
--- a/manage.py
+++ b/manage.py
@@ -15,7 +15,6 @@ def get_parser():
     parser = argparse.ArgumentParser(description="start manage.py with flag.")
     parser.add_argument("-s", action="store_true", help="run start_server func.")
     parser.add_argument("-m", action="store_true", help="run magnet2torrent func")
-
     parser.add_argument("-p", action="store_true", help="run parse_torrent func")
     return parser