diff --git a/nhentai/__init__.py b/nhentai/__init__.py
index d74d9b3..4b9c571 100644
--- a/nhentai/__init__.py
+++ b/nhentai/__init__.py
@@ -1,3 +1,3 @@
 __version__ = '0.1.2'
 __author__ = 'Ricter'
-__email__ = 'ricterzheng@gmail.com'
\ No newline at end of file
+__email__ = 'ricterzheng@gmail.com'
diff --git a/nhentai/command.py b/nhentai/command.py
index f7fd1cc..87bc795 100644
--- a/nhentai/command.py
+++ b/nhentai/command.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python2.7
-#coding: utf-8
+# coding: utf-8
 import signal
 from cmdline import cmd_parser, banner
 from parser import dojinshi_parser, search_parser, print_dojinshi
diff --git a/nhentai/dojinshi.py b/nhentai/dojinshi.py
index 556c089..8d9afaa 100644
--- a/nhentai/dojinshi.py
+++ b/nhentai/dojinshi.py
@@ -1,3 +1,4 @@
+# coding: utf-8
 from __future__ import print_function
 from constant import DETAIL_URL, IMAGE_URL
 from logger import logger
diff --git a/nhentai/downloader.py b/nhentai/downloader.py
index d0c8ff4..09c1a5c 100644
--- a/nhentai/downloader.py
+++ b/nhentai/downloader.py
@@ -1,4 +1,4 @@
-#coding: utf-8
+# coding: utf-8
 import os
 import requests
 import threadpool
diff --git a/nhentai/parser.py b/nhentai/parser.py
index 0d86303..9c51a87 100644
--- a/nhentai/parser.py
+++ b/nhentai/parser.py
@@ -1,3 +1,4 @@
+# coding: utf-8
 from __future__ import print_function
 import sys
 import re