diff --git a/.classpath b/.classpath
index 7e936d5..2df5523 100644
--- a/.classpath
+++ b/.classpath
@@ -8,5 +8,6 @@
 	<classpathentry kind="lib" path="lib/pcap4j-core.jar"/>
 	<classpathentry kind="lib" path="lib/slf4j-api-1.6.6.jar"/>
 	<classpathentry kind="lib" path="lib/pcap4j-packetfactory-static.jar"/>
+	<classpathentry kind="lib" path="lib/slf4j-nop-1.6.1.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/.gitignore b/.gitignore
index ae3c172..1074ba5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
 /bin/
+/client_config.json
+/port_map.json
diff --git a/lib/slf4j-nop-1.6.1.jar b/lib/slf4j-nop-1.6.1.jar
new file mode 100644
index 0000000..b7bd5aa
Binary files /dev/null and b/lib/slf4j-nop-1.6.1.jar differ
diff --git a/src/net/fs/cap/CapEnv.java b/src/net/fs/cap/CapEnv.java
index 882ac93..98da8c3 100644
--- a/src/net/fs/cap/CapEnv.java
+++ b/src/net/fs/cap/CapEnv.java
@@ -195,7 +195,7 @@ PromiscuousMode getMode(PcapNetworkInterface pi){
 	void initInterface() throws Exception{
 		detectInterface();
 		List<PcapNetworkInterface> allDevs = Pcaps.findAllDevs();
-		MLog.println("网络接口列表10: ");
+		MLog.println("Network Interface List: ");
 		for(PcapNetworkInterface pi:allDevs){
 			String desString="";
 			if(pi.getDescription()!=null){
@@ -213,9 +213,10 @@ void initInterface() throws Exception{
 			if(nif.getDescription()!=null){
 				desString=nif.getDescription();
 			}
-			MLog.info("自动选择网络接口:\n"+"  "+desString+"   "+nif.getName());
+			MLog.info("Selected Network Interface:\n"+"  "+desString+"   "+nif.getName());
 		}else {
 			tcpEnable=false;
+			MLog.info("Select Network Interface failed,can't use TCP protocal!\n");
 		}
 		if(tcpEnable){
 			sendHandle = nif.openLive(SNAPLEN,getMode(nif), READ_TIMEOUT);
@@ -251,6 +252,8 @@ public void run(){
 			};
 			thread.start();
 		}
+		
+		MLog.info("FinalSpeed server start success.");
 	
 	}
 
diff --git a/src/net/fs/server/FSServer.java b/src/net/fs/server/FSServer.java
index 4c14f9c..1649883 100644
--- a/src/net/fs/server/FSServer.java
+++ b/src/net/fs/server/FSServer.java
@@ -11,6 +11,7 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
+import java.net.BindException;
 
 import net.fs.rudp.ConnectionProcessor;
 import net.fs.rudp.Route;
@@ -30,8 +31,17 @@ public class FSServer {
 	
 	boolean success_firewall_windows=true;
 
-	public static void main(String[] args) throws Exception {
-		FSServer fs = new FSServer();
+	public static void main(String[] args) {
+		try {
+			FSServer fs = new FSServer();
+		} catch (Exception e) {
+			e.printStackTrace();
+			if(e instanceof BindException){
+				MLog.println("Udp port already in use.");
+			}
+			MLog.println("Start failed.");
+			System.exit(0);
+		}
 	}
 
 	static FSServer get() {
@@ -39,6 +49,8 @@ static FSServer get() {
 	}
 
 	public FSServer() throws Exception {
+		MLog.info("");
+		MLog.info("FinalSpeed server starting... ");
 		MLog.info("System Name: " + systemName);
 		udpServer = this;
 		final MapTunnelProcessor mp = new MapTunnelProcessor();
@@ -395,4 +407,8 @@ String readFileData(String path) {
 		return content;
 	}
 
+	public int getRoutePort() {
+		return routePort;
+	}
+
 }