fix run command

README.md

@@ -77,25 +77,25 @@ If you have already been installed, please skip these preparation steps.
 ### Install zookeeper
 Install and run zookeeper with reference [Zookeeper installation](http://zookeeper.apache.org/doc/trunk/zookeeperStarted.html).
 
-The following is the code to install and run the zookeeper3.4.6.
+The following is the code to install and run the zookeeper3.4.9.
 
 	cd $HOME/xpush
-	wget http://apache.mirror.cdnetworks.com/zookeeper/stable/zookeeper-3.4.6.tar.gz
-	tar xvf zookeeper-3.4.6.tar.gz
-	cp zookeeper-3.4.6/conf/zoo_sample.cfg zookeeper-3.4.6/conf/zoo.cfg
-	cd zookeeper-3.4.6/bin
+	wget http://apache.mirror.cdnetworks.com/zookeeper/stable/zookeeper-3.4.9.tar.gz
+	tar xvf zookeeper-3.4.9.tar.gz
+	cp zookeeper-3.4.9/conf/zoo_sample.cfg zookeeper-3.4.9/conf/zoo.cfg
+	cd zookeeper-3.4.9/bin
 	./zkServer.sh start
 
 
 ### Install redis
 Install and run redis with reference [Redis installation](http://zookeeper.apache.org/doc/trunk/zookeeperStarted.html).
 
-The follow is the code to install and run redis 3.0.3.
+The follow is the code to install and run redis 3.2.6.
 
 	cd $HOME/xpush
-	wget http://download.redis.io/releases/redis-3.2.3.tar.gz
-	tar xzf redis-3.2.3.tar.gz
-	cd redis-3.2.3
+	wget http://download.redis.io/releases/redis-3.2.6.tar.gz
+	tar xzf redis-3.2.6.tar.gz
+	cd redis-3.2.6
 	make
 	src/redis-server
 	(daemon : $ nohup src/redis-server & )

bin/start

@@ -79,8 +79,8 @@ if(argv.channel) options['type'] = 'channel';
 // start server
 console.log('\n    ##### Options #####\n',options,'\n\n');
 
-var checkPort = function (callback) {
-  var port = options['port'];
+var checkPort = function (callback, port) {
+  var port = port || options['port'];
 
   var tester = net.createServer()
     .once('error', function (err) {

package.json

@@ -1,7 +1,7 @@
 {
   "name": "xpush",
   "description": "Web based Realtime Communication Platform",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "keywords": [
     "push",
     "websocket",
@@ -36,7 +36,8 @@
     "restify": "^4.1.1",
     "shortid": "^2.2.6",
     "socket.io": "^1.5.1",
-    "winston": "^2.2.0"
+    "winston": "^2.2.0",
+    "optimist": "^0.6.1",
   },
   "devDependencies": {
     "faker": "^3.0.1",