diff --git a/proxy_config.json b/proxy_config.json
index b95aea1..a088b43 100644
--- a/proxy_config.json
+++ b/proxy_config.json
@@ -2,10 +2,7 @@
   "groups": [
     {
       "port": 443,
-      "lookup_dns": false,
-      "dns_domains": [
-        "*baidu*"
-      ],
+      "lookup_dns": true,
       "tls": {
         "issuer_cert": "cert.pem",
         "issuer_key": "cert.key"