diff --git a/ProxyCat-CN/config.py b/ProxyCat-CN/config.py
index 46d548d..58f7fe2 100644
--- a/ProxyCat-CN/config.py
+++ b/ProxyCat-CN/config.py
@@ -7,7 +7,7 @@ DEFAULT_CONFIG = {
     'username': '',
     'password': '',
     'use_getip': False,
-    'proxy_file': 'ip.txt'
+    'proxy_file': 'ip.txt',
 }
 
 def load_config(config_file='config.ini'):