diff --git a/config_sample.json b/config_sample.json
index 3e1f521..4eb287f 100644
--- a/config_sample.json
+++ b/config_sample.json
@@ -13,5 +13,6 @@
   "ip_url": "http://members.3322.org/dyndns/getip",
   "log_path":"./godns.log",
   "log_size":16,
-  "log_num":3
+  "log_num":3,
+  "socks5_proxy":""
 }