diff --git a/config_sample.json b/config_sample.json
index 4eb287f..1241d5b 100644
--- a/config_sample.json
+++ b/config_sample.json
@@ -3,16 +3,16 @@
   "password": "",
   "login_token": "",
   "domains": [{
-      "domain_name":"example.com",
-      "sub_domains":["www","test"]
+      "domain_name": "example.com",
+      "sub_domains": ["www","test"]
     },{
-      "domain_name":"example2.com",
-      "sub_domains":["www","test"]
+      "domain_name": "example2.com",
+      "sub_domains": ["www","test"]
     }
   ],
   "ip_url": "http://members.3322.org/dyndns/getip",
-  "log_path":"./godns.log",
-  "log_size":16,
-  "log_num":3,
-  "socks5_proxy":""
+  "log_path": "./godns.log",
+  "log_size": 16,
+  "log_num": 3,
+  "socks5_proxy": ""
 }