diff --git a/proxy.js b/proxy.js
index f4b762b..4387d78 100644
--- a/proxy.js
+++ b/proxy.js
@@ -43,7 +43,7 @@ function proxyServer(option){
         proxyType  = /https/i.test(option.type || DEFAULT_TYPE) ? T_TYPE_HTTPS : T_TYPE_HTTP ,
         proxyPort  = option.port     || DEFAULT_PORT,
         proxyHost  = option.hostname || DEFAULT_HOST,
-        proxyRules = option.rule;
+        proxyRules = option.rule || require('./lib/rule_default');
 
     requestHandler.setRules(proxyRules);
     self.httpProxyServer = null;