diff --git a/README.md b/README.md
index f7b36d6..4bfc79c 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ What this proxy do is to generate and replace a temporary cert for any domain if
 * generate and intercept https requests for any domain without complaint by browser (after you trust its root CA)
 * can be used globally or as a nodejs module 
 
-## How to use
+## Usage
 ### step 0 - setup env
 
 * install NodeJS
@@ -56,7 +56,7 @@ npm install anyproxy
 var proxy = require("anyproxy");
 
 !proxy.isRootCAFileExists() && proxy.generateRootCA();
-proxy.startServer("http","8001", "localhost" ,"path/to/rule/file");
+new proxy.proxyServer("http","8001", "localhost" ,"path/to/rule/file");
 
 ```
 
diff --git a/bin.js b/bin.js
index e7add2e..edd81b1 100644
--- a/bin.js
+++ b/bin.js
@@ -25,5 +25,5 @@ if(program.clear){
         process.exit(0);
     });
 }else{
-    proxy.startServer(program.type,program.port, program.host ,program.rule);
+    new proxy.proxyServer(program.type,program.port, program.host ,program.rule);
 }
\ No newline at end of file
diff --git a/package.json b/package.json
index cfebb24..0ea3710 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "anyproxy",
-  "version": "1.1.0",
+  "version": "1.1.1",
   "description": "a charles/fiddle like web proxy for developers which can intercept https requests without browser warning",
   "main": "proxy.js",
   "bin": {
@@ -14,7 +14,11 @@
   },
   "devDependencies": {},
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "nodeunit test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/ottomao/anyproxy.git"
   },
   "author": "ottomao@gmail.com",
   "license": "ISC"
diff --git a/proxy.js b/proxy.js
index c9c0b19..79e5185 100644
--- a/proxy.js
+++ b/proxy.js
@@ -1,3 +1,5 @@
+//TODO : get free port
+
 var http = require('http'),
     https          = require('https'),
     fs             = require('fs'),
@@ -16,13 +18,15 @@ var T_TYPE_HTTP  = 0,
     DEFAULT_HOST = "localhost",
     DEFAULT_TYPE = T_TYPE_HTTP;
 
-function startServer(type, port, hostname,ruleFile){
-    var proxyType = /https/i.test(type || DEFAULT_TYPE) ? T_TYPE_HTTPS : T_TYPE_HTTP ,
+function proxyServer(type, port, hostname,ruleFile){
+    var self      = this,
+        proxyType = /https/i.test(type || DEFAULT_TYPE) ? T_TYPE_HTTPS : T_TYPE_HTTP ,
         proxyPort = port     || DEFAULT_PORT,
-        proxyHost = hostname || DEFAULT_HOST,
-        httpProxyServer;
+        proxyHost = hostname || DEFAULT_HOST;
 
-    if(ruleFile){
+    self.httpProxyServer = null;
+
+    if(ruleFile){ //TODO : fs.join
         if(fs.existsSync(ruleFile)){
             requestHandler.setRules(require(ruleFile));
             console.log(color.green("rule file loaded"));
@@ -31,8 +35,8 @@ function startServer(type, port, hostname,ruleFile){
         }
     }
 
-    async.series([
-
+    async.series(
+        [
             //creat proxy server
             function(callback){
                 if(proxyType == T_TYPE_HTTPS){
@@ -40,7 +44,7 @@ function startServer(type, port, hostname,ruleFile){
                         if(err){
                             callback(err);
                         }else{
-                            httpProxyServer = https.createServer({
+                            self.httpProxyServer = https.createServer({
                                 key : keyContent,
                                 cert: crtContent
                             },requestHandler.userRequestHandler);
@@ -49,15 +53,15 @@ function startServer(type, port, hostname,ruleFile){
                     });
 
                 }else{
-                    httpProxyServer = http.createServer(requestHandler.userRequestHandler);
+                    self.httpProxyServer = http.createServer(requestHandler.userRequestHandler);
                     callback(null);
                 }        
             },
 
             //listen CONNECT method for https over http
             function(callback){
-                httpProxyServer.on('connect',requestHandler.connectReqHandler);
-                httpProxyServer.listen(proxyPort);
+                self.httpProxyServer.on('connect',requestHandler.connectReqHandler);
+                self.httpProxyServer.listen(proxyPort);
                 callback(null);
             }
             
@@ -75,8 +79,10 @@ function startServer(type, port, hostname,ruleFile){
             }
         }
     );
+
+    return self.httpProxyServer;
 }
 
-module.exports.startServer        = startServer;
+module.exports.proxyServer        = proxyServer;
 module.exports.generateRootCA     = certMgr.generateRootCA;
 module.exports.isRootCAFileExists = certMgr.isRootCAFileExists;
\ No newline at end of file
diff --git a/test.js b/test.js
index 079afb5..a0c43a8 100644
--- a/test.js
+++ b/test.js
@@ -1,16 +1,20 @@
-var https = require("https");
+
+var https = require("https"),
+	http  = require("http");
 
 process.env['NODE_TLS_REJECT_UNAUTHORIZED'] = '0';
 
+
+
 var options = {
-  host: "localhost",
-  port: 8001,
-  path: "/",
-  headers: {
-    Host: "www.alipay.com"
-  }
+    host: "localhost",
+    port: 8001,
+    path: "/",
+    headers: {
+        Host: "www.alipay.com"
+	}
 };
 https.get(options, function(res) {
-  console.log(res);
-  res.pipe(process.stdout);
+	console.log(res);
+	res.pipe(process.stdout);
 });
\ No newline at end of file