diff --git a/net/src/test/java/com/zfoo/net/base/aio/client/AioClientTest.java b/net/src/test/java/com/zfoo/net/base/aio/client/AioClientTest.java
index 4617af4a..cb686d27 100644
--- a/net/src/test/java/com/zfoo/net/base/aio/client/AioClientTest.java
+++ b/net/src/test/java/com/zfoo/net/base/aio/client/AioClientTest.java
@@ -15,7 +15,7 @@ public class AioClientTest implements Runnable {
 
     @Test
     public void clientTest() {
-        AioClientTest aioClient = new AioClientTest("127.0.0.1", 9999, 1);
+        var aioClient = new AioClientTest();
         aioClient.init();
         new Thread(aioClient, "client").start();
         ThreadUtils.sleep(Long.MAX_VALUE);
@@ -23,15 +23,7 @@ public class AioClientTest implements Runnable {
 
 
     private AsynchronousSocketChannel client;
-    private String host;
-    private int port;
-    private CountDownLatch latch;
-
-    public AioClientTest(String host, int port, int latchNum) {
-        this.host = host;
-        this.port = port;
-        this.latch = new CountDownLatch(latchNum);
-    }
+    private CountDownLatch latch = new CountDownLatch(1);
 
     public void init() {
         try {
@@ -44,7 +36,7 @@ public class AioClientTest implements Runnable {
     @Override
     public void run() {
         ConnectCompletionHandler handler = new ConnectCompletionHandler(client, latch);
-        client.connect(new InetSocketAddress(host, port), handler, handler);
+        client.connect(new InetSocketAddress("127.0.0.1", 9999), handler, handler);
         try {
             latch.await();
             client.close();
diff --git a/net/src/test/java/com/zfoo/net/base/aio/server/AioServerTest.java b/net/src/test/java/com/zfoo/net/base/aio/server/AioServerTest.java
index 3ef1b768..bd0fe392 100644
--- a/net/src/test/java/com/zfoo/net/base/aio/server/AioServerTest.java
+++ b/net/src/test/java/com/zfoo/net/base/aio/server/AioServerTest.java
@@ -15,29 +15,22 @@ public class AioServerTest implements Runnable {
 
     @Test
     public void serverTest() {
-        AioServerTest aioServer = new AioServerTest(9999, 1);
+        AioServerTest aioServer = new AioServerTest();
         aioServer.init();
         new Thread(aioServer, "server").start();
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
 
-
-    private int port;
-
-    private CountDownLatch latch;
+    private CountDownLatch latch = new CountDownLatch(1);
 
     private AsynchronousServerSocketChannel asynchronousServerSocketChannel;
 
-    public AioServerTest(int port, int latchNum) {
-        this.port = port;
-        latch = new CountDownLatch(latchNum);
-    }
 
     public void init() {
         try {
             asynchronousServerSocketChannel = AsynchronousServerSocketChannel.open();
-            asynchronousServerSocketChannel.bind(new InetSocketAddress(port));
-            System.out.println("The Time server is start in port:" + port);
+            asynchronousServerSocketChannel.bind(new InetSocketAddress(9999));
+            System.out.println("The Time server is start in port:" + 9999);
         } catch (IOException e) {
             e.printStackTrace();
         }
diff --git a/net/src/test/java/com/zfoo/net/base/bio/TcpTest.java b/net/src/test/java/com/zfoo/net/base/bio/TcpTest.java
index 7ce497dd..156943cb 100644
--- a/net/src/test/java/com/zfoo/net/base/bio/TcpTest.java
+++ b/net/src/test/java/com/zfoo/net/base/bio/TcpTest.java
@@ -21,7 +21,6 @@ public class TcpTest {
             server = new ServerSocket(9999);
             // 2.接受客户端连接，阻塞式
             Socket socket = server.accept();
-            System.out.println("hello http!!!!!!");
 
             // 3.发送数据+接受数据
             String message = "welocme to internet!!!";
diff --git a/net/src/test/java/com/zfoo/net/base/bio/UdpTest.java b/net/src/test/java/com/zfoo/net/base/bio/UdpTest.java
index 09faecd7..43bda604 100644
--- a/net/src/test/java/com/zfoo/net/base/bio/UdpTest.java
+++ b/net/src/test/java/com/zfoo/net/base/bio/UdpTest.java
@@ -47,7 +47,7 @@ public class UdpTest {
             byte[] data = message.getBytes();
             // 3.打包DatagramPacket,发送的地点及端口
             DatagramPacket packet = new DatagramPacket(data, data.length,
-                    new InetSocketAddress("localhost", 8888));
+                    new InetSocketAddress("localhost", 8000));
             // 4.发送
             client.send(packet);
             // 5.释放资源
diff --git a/net/src/test/java/com/zfoo/net/base/bio/chat/BioClientTest.java b/net/src/test/java/com/zfoo/net/base/bio/chat/BioClientTest.java
deleted file mode 100644
index d4267add..00000000
--- a/net/src/test/java/com/zfoo/net/base/bio/chat/BioClientTest.java
+++ /dev/null
@@ -1,139 +0,0 @@
-package com.zfoo.net.base.bio.chat;
-
-import com.zfoo.protocol.util.IOUtils;
-import com.zfoo.util.ThreadUtils;
-import org.junit.Ignore;
-import org.junit.Test;
-
-import java.io.*;
-import java.net.Socket;
-import java.net.UnknownHostException;
-import java.util.Scanner;
-
-@Ignore
-public class BioClientTest {
-
-    @Test
-    public void clientTest() {
-        System.out.println("请输入名称：");
-        String name = new Scanner(System.in).nextLine();
-
-        new BioClientTest().launchClient(name);
-        ThreadUtils.sleep(Long.MAX_VALUE);
-    }
-
-
-    private String name;
-
-    private class SendThread implements Runnable {
-        // 控制台输入流
-        private BufferedReader console;
-        // 管道输出流
-        private DataOutputStream dataOut;
-        // 控制线程
-        private boolean isRunning;
-
-        private SendThread() {
-            console = new BufferedReader(new InputStreamReader(System.in));
-            isRunning = true;
-        }
-
-        public SendThread(Socket client) {
-            this();
-            try {
-                dataOut = new DataOutputStream(client.getOutputStream());
-                send(name);
-            } catch (IOException e) {
-                e.printStackTrace();
-                isRunning = false;
-                IOUtils.closeIO(console, dataOut);
-            }
-        }
-
-        private String getMessageFromConsole() {
-            try {
-                System.out.println("please input message:");
-                return console.readLine();
-            } catch (IOException e) {
-                e.printStackTrace();
-            }
-            return null;
-        }
-
-        public void send(String message) {
-            if (null != message) {
-                try {
-                    dataOut.writeUTF(message);
-                    dataOut.flush();
-                } catch (IOException e) {
-                    isRunning = false;
-                    IOUtils.closeIO(dataOut, console);
-                }
-            }
-        }
-
-        @Override
-        public void run() {
-            while (isRunning) {
-                send(getMessageFromConsole());
-            }
-        }
-    }
-
-    private static class ReceiveThread implements Runnable {
-        // 输入流
-        private DataInputStream dataIn;
-        // 线程标识
-        private boolean isRunning = true;
-
-
-        public ReceiveThread(Socket client) {
-            try {
-                dataIn = new DataInputStream(client.getInputStream());
-            } catch (IOException e) {
-                isRunning = false;
-                IOUtils.closeIO(dataIn);
-            }
-        }
-
-        private String receive() {
-            try {
-                return dataIn.readUTF();
-            } catch (IOException e) {
-                isRunning = false;
-                IOUtils.closeIO(dataIn);
-            }
-            return null;
-        }
-
-        @Override
-        public void run() {
-            while (isRunning) {
-                System.out.println(receive());
-            }
-        }
-    }
-
-    public void launchClient(String name) {
-        // 1.创建客户端，必须指定服务器+端口，此时就在连接
-        Socket client = null;
-        Thread sendThread = null;
-        Thread receiveThread = null;
-        this.name = name;
-        try {
-
-            client = new Socket("localhost", 9999);// 系统自动分配客户端的端口号
-            // 2.发送数据+接受数据
-            sendThread = new Thread(new SendThread(client));
-            receiveThread = new Thread(new ReceiveThread(client));
-            sendThread.start();
-            receiveThread.start();
-
-        } catch (UnknownHostException e) {
-            e.printStackTrace();
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-    }
-
-}
diff --git a/net/src/test/java/com/zfoo/net/base/bio/chat/BioServerTest.java b/net/src/test/java/com/zfoo/net/base/bio/chat/BioServerTest.java
deleted file mode 100644
index 93d206b7..00000000
--- a/net/src/test/java/com/zfoo/net/base/bio/chat/BioServerTest.java
+++ /dev/null
@@ -1,130 +0,0 @@
-package com.zfoo.net.base.bio.chat;
-
-import com.zfoo.protocol.util.IOUtils;
-import com.zfoo.util.ThreadUtils;
-import org.junit.Ignore;
-import org.junit.Test;
-
-import java.io.DataInputStream;
-import java.io.DataOutputStream;
-import java.io.IOException;
-import java.net.ServerSocket;
-import java.net.Socket;
-import java.util.ArrayList;
-import java.util.List;
-
-@Ignore
-public class BioServerTest {
-
-    @Test
-    public void bioTest() {
-        new BioServerTest().launchServer();
-        ThreadUtils.sleep(Long.MAX_VALUE);
-    }
-
-    private List<ServerChannel> listClient = new ArrayList<ServerChannel>();
-
-    private class ServerChannel implements Runnable {
-        // 发送数据
-        private DataOutputStream dataOut;
-        // 接受数据
-        private DataInputStream dataIn;
-        private String name;
-        private boolean isRunning = true;
-
-        public ServerChannel(Socket client) {
-            try {
-                dataOut = new DataOutputStream(client.getOutputStream());
-                dataIn = new DataInputStream(client.getInputStream());
-                this.name = dataIn.readUTF();
-                System.out.println(name);
-                send("欢迎你进入聊天室！");
-                sendToAll(this.name + "进入聊天室！");
-
-            } catch (IOException e) {
-                quit();
-            }
-
-        }
-
-        private String receive() {
-            String message = null;
-
-            try {
-                message = dataIn.readUTF();
-            } catch (IOException e) {
-                quit();
-            }
-            return message;
-        }
-
-        private void send(String message) {
-            if (message == null || message.equals(""))
-                return;
-
-            try {
-                System.out.println(message);
-                dataOut.writeUTF(message);
-                dataOut.flush();
-            } catch (IOException e) {
-                quit();
-            }
-
-        }
-
-        private void sendToAll(String message) {
-            if (message.startsWith("@") && message.contains(":")) {
-                String name = message.substring(1, message.indexOf(":"));
-                String content = message.substring(message.indexOf(":") + 1);
-                for (ServerChannel other : listClient) {
-                    if (other.name.equals(name)) {
-                        other.send(this.name + "悄悄对你说：" + content);
-                    }
-                }
-            } else {
-
-                for (ServerChannel other : listClient) {
-                    if (other == this) {
-                        continue;
-                    }
-                    other.send(message);
-                }
-            }
-        }
-
-        private void quit() {
-            IOUtils.closeIO(dataOut);
-            isRunning = false;
-            listClient.remove(this);
-        }
-
-        @Override
-        public void run() {
-            while (isRunning) {
-                sendToAll(receive());
-            }
-        }
-
-    }
-
-    public void launchServer() {
-        // 1.穿件服务器，指定端口
-        ServerSocket server = null;
-        try {
-            server = new ServerSocket(9999);
-            while (true) {
-                // 2.接受客户端连接，阻塞式
-                Socket client = server.accept();
-                ServerChannel serverChannel = new ServerChannel(client);
-                // 3.发送数据+接受数据
-                Thread clienThread = new Thread(serverChannel);
-                listClient.add(serverChannel);
-                clienThread.start();
-                System.out.println("server started! Connect to client successfully");
-            }
-
-        } catch (IOException e) {
-        }
-    }
-
-}
diff --git a/net/src/test/java/com/zfoo/net/base/netty/echoserver1/EchoClientTest.java b/net/src/test/java/com/zfoo/net/base/netty/echoserver1/EchoClientTest.java
index d27aeb32..cb577512 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/echoserver1/EchoClientTest.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/echoserver1/EchoClientTest.java
@@ -22,8 +22,8 @@ public class EchoClientTest {
 
     @Test
     public void clientTest() {
-        new EchoClientTest().connect(9999, "127.0.0.1");
-        System.out.println("hello");
+        var client = new EchoClientTest();
+        client.connect(9999, "127.0.0.1");
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
 
diff --git a/net/src/test/java/com/zfoo/net/base/netty/echoserver1/EchoServerTest.java b/net/src/test/java/com/zfoo/net/base/netty/echoserver1/EchoServerTest.java
index 1bdbb216..cae69b59 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/echoserver1/EchoServerTest.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/echoserver1/EchoServerTest.java
@@ -31,19 +31,11 @@ public class EchoServerTest {
 
     @Test
     public void serverTest() {
-        System.out.println("hello");
-        EchoServerTest server = new EchoServerTest(9999);
+        var server = new EchoServerTest();
         server.init();
-        System.out.println("hello");
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
 
-    private int port;
-
-    public EchoServerTest(int port) {
-        this.port = port;
-    }
-
     public void init() {
         //配置服务端nio线程组
         EventLoopGroup bossGroup = new NioEventLoopGroup();//服务端接受客户端连接
@@ -55,7 +47,7 @@ public class EchoServerTest {
                     .childHandler(new ChildChannelHandler());
 
             //绑定端口，同步等待成功
-            ChannelFuture future = bootstrap.bind(port).sync();
+            ChannelFuture future = bootstrap.bind(9999).sync();
             //等待服务端监听端口关闭
             future.channel().closeFuture().sync();
         } catch (InterruptedException e) {
diff --git a/net/src/test/java/com/zfoo/net/base/netty/echoserver2/EchoClientTest.java b/net/src/test/java/com/zfoo/net/base/netty/echoserver2/EchoClientTest.java
index c9d7f2c2..119c0ab0 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/echoserver2/EchoClientTest.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/echoserver2/EchoClientTest.java
@@ -19,7 +19,8 @@ public class EchoClientTest {
 
     @Test
     public void clientTest() {
-        new EchoClientTest().connect(9999, "127.0.0.1");
+        var client = new EchoClientTest();
+        client.connect(9999, "127.0.0.1");
         System.out.println("hello");
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
diff --git a/net/src/test/java/com/zfoo/net/base/netty/echoserver2/EchoServerTest.java b/net/src/test/java/com/zfoo/net/base/netty/echoserver2/EchoServerTest.java
index 86a7ffe6..986ed8ff 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/echoserver2/EchoServerTest.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/echoserver2/EchoServerTest.java
@@ -28,19 +28,11 @@ public class EchoServerTest {
 
     @Test
     public void serverTest() {
-        System.out.println("hello");
-        EchoServerTest server = new EchoServerTest(9999);
+        var server = new EchoServerTest();
         server.init();
-        System.out.println("hello");
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
 
-    private int port;
-
-    public EchoServerTest(int port) {
-        this.port = port;
-    }
-
     public void init() {
         //配置服务端nio线程组
         EventLoopGroup bossGroup = new NioEventLoopGroup();//服务端接受客户端连接
@@ -52,7 +44,7 @@ public class EchoServerTest {
                     .childHandler(new ChildChannelHandler());
 
             //绑定端口，同步等待成功
-            ChannelFuture future = bootstrap.bind(port).sync();
+            ChannelFuture future = bootstrap.bind(9999).sync();
             //等待服务端监听端口关闭
             future.channel().closeFuture().sync();
         } catch (InterruptedException e) {
diff --git a/net/src/test/java/com/zfoo/net/base/netty/nettyfileserver/FileClientTest.java b/net/src/test/java/com/zfoo/net/base/netty/nettyfileserver/FileClientTest.java
index 5fa498c2..8685c237 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/nettyfileserver/FileClientTest.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/nettyfileserver/FileClientTest.java
@@ -26,23 +26,12 @@ public class FileClientTest {
 
     @Test
     public void clientTest() {
-        FileClientTest client = new FileClientTest(9999, "127.0.0.1", "rainbow.txt");
+        var client = new FileClientTest();
         client.connect();
-        System.out.println("hello");
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
 
 
-    private int port;
-    private String host;
-    private String filePath;
-
-    public FileClientTest(int port, String host, String filePath) {
-        this.port = port;
-        this.host = host;
-        this.filePath = filePath;
-    }
-
     public void connect() {
         EventLoopGroup group = new NioEventLoopGroup();
         Bootstrap bootstrap = new Bootstrap();
@@ -51,7 +40,7 @@ public class FileClientTest {
                 .handler(new ChildChannelHandler());
         ChannelFuture future = null;
         try {
-            future = bootstrap.connect(host, port).sync();
+            future = bootstrap.connect("127.0.0.1", 9999).sync();
             future.channel().closeFuture().sync();
         } catch (InterruptedException e) {
             e.printStackTrace();
@@ -66,7 +55,7 @@ public class FileClientTest {
             channel.pipeline().addLast(new StringEncoder(CharsetUtil.UTF_8));
             channel.pipeline().addLast(new LineBasedFrameDecoder(1024));
             channel.pipeline().addLast(new StringDecoder(CharsetUtil.UTF_8));//三者组合起来就是文本换行编码解码器
-            channel.pipeline().addLast(new ClientHandler(filePath));
+            channel.pipeline().addLast(new ClientHandler("rainbow.txt"));
         }
     }
 
diff --git a/net/src/test/java/com/zfoo/net/base/netty/nettyfileserver/FileServerTest.java b/net/src/test/java/com/zfoo/net/base/netty/nettyfileserver/FileServerTest.java
index fea49d95..570b4001 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/nettyfileserver/FileServerTest.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/nettyfileserver/FileServerTest.java
@@ -30,19 +30,11 @@ public class FileServerTest {
 
     @Test
     public void serverTest() {
-        System.out.println("hello");
-        FileServerTest server = new FileServerTest(9999);
+        var server = new FileServerTest();
         server.init();
-        System.out.println("hello");
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
 
-    private int port;
-
-    public FileServerTest(int port) {
-        this.port = port;
-    }
-
     public void init() {
         //配置服务端nio线程组
         EventLoopGroup bossGroup = new NioEventLoopGroup();//服务端接受客户端连接
@@ -54,7 +46,7 @@ public class FileServerTest {
                     .childHandler(new ChildChannelHandler());
 
             //绑定端口，同步等待成功
-            ChannelFuture future = bootstrap.bind(port).sync();
+            ChannelFuture future = bootstrap.bind(9999).sync();
             //等待服务端监听端口关闭
             future.channel().closeFuture().sync();
         } catch (InterruptedException e) {
diff --git a/net/src/test/java/com/zfoo/net/base/netty/subscribe/SubscribeClientTest.java b/net/src/test/java/com/zfoo/net/base/netty/subscribe/SubscribeClientTest.java
index eb510a4c..df3d82ff 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/subscribe/SubscribeClientTest.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/subscribe/SubscribeClientTest.java
@@ -25,8 +25,8 @@ public class SubscribeClientTest {
 
     @Test
     public void clientTest() {
-        new SubscribeClientTest().connect(9999, "127.0.0.1");
-        System.out.println("hello");
+        var client = new SubscribeClientTest();
+        client.connect(9999, "127.0.0.1");
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
 
diff --git a/net/src/test/java/com/zfoo/net/base/netty/subscribe/SubscribeServerTest.java b/net/src/test/java/com/zfoo/net/base/netty/subscribe/SubscribeServerTest.java
index 45f28cba..4188f648 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/subscribe/SubscribeServerTest.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/subscribe/SubscribeServerTest.java
@@ -29,19 +29,11 @@ public class SubscribeServerTest {
 
     @Test
     public void serverTest() {
-        System.out.println("hello");
-        SubscribeServerTest server = new SubscribeServerTest(9999);
+        var server = new SubscribeServerTest();
         server.init();
-        System.out.println("hello");
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
 
-    private int port;
-
-    public SubscribeServerTest(int port) {
-        this.port = port;
-    }
-
     public void init() {
         //配置服务端nio线程组
         EventLoopGroup bossGroup = new NioEventLoopGroup();//服务端接受客户端连接
@@ -53,7 +45,7 @@ public class SubscribeServerTest {
                     .childHandler(new ChildChannelHandler());
 
             //绑定端口，同步等待成功
-            ChannelFuture future = bootstrap.bind(port).sync();
+            ChannelFuture future = bootstrap.bind(9999).sync();
             //等待服务端监听端口关闭
             future.channel().closeFuture().sync();
         } catch (InterruptedException e) {
diff --git a/net/src/test/java/com/zfoo/net/base/netty/timeserver1/TimeClientTest.java b/net/src/test/java/com/zfoo/net/base/netty/timeserver1/TimeClientTest.java
index e1bb77fa..1a62bedb 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/timeserver1/TimeClientTest.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/timeserver1/TimeClientTest.java
@@ -17,7 +17,8 @@ public class TimeClientTest {
 
     @Test
     public void clientTest() {
-        new TimeClientTest().connect(9999, "127.0.0.1");
+        var client = new TimeClientTest();
+        client.connect(9999, "127.0.0.1");
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
 
diff --git a/net/src/test/java/com/zfoo/net/base/netty/timeserver1/TimeServerTest.java b/net/src/test/java/com/zfoo/net/base/netty/timeserver1/TimeServerTest.java
index 40099d9b..de190855 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/timeserver1/TimeServerTest.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/timeserver1/TimeServerTest.java
@@ -24,16 +24,11 @@ public class TimeServerTest {
 
     @Test
     public void serverTest() {
-        TimeServerTest server = new TimeServerTest(9999);
+        var server = new TimeServerTest();
         server.init();
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
 
-    private int port;
-
-    public TimeServerTest(int port) {
-        this.port = port;
-    }
 
     public void init() {
         //配置服务端nio线程组
@@ -44,7 +39,7 @@ public class TimeServerTest {
             bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                     .option(ChannelOption.SO_BACKLOG, 1024).childHandler(new ChildChannelHandler());
             //绑定端口，同步等待成功
-            ChannelFuture future = bootstrap.bind(port).sync();
+            ChannelFuture future = bootstrap.bind(9999).sync();
             //等待服务端监听端口关闭
             future.channel().closeFuture().sync();
         } catch (InterruptedException e) {
diff --git a/net/src/test/java/com/zfoo/net/base/netty/timeserver2/TimeClientTest.java b/net/src/test/java/com/zfoo/net/base/netty/timeserver2/TimeClientTest.java
index 8df598cc..eb462052 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/timeserver2/TimeClientTest.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/timeserver2/TimeClientTest.java
@@ -19,8 +19,8 @@ public class TimeClientTest {
 
     @Test
     public void clientTest() {
-        new TimeClientTest().connect(9999, "127.0.0.1");
-        System.out.println("hello");
+        var client = new TimeClientTest();
+        client.connect(9999, "127.0.0.1");
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
 
diff --git a/net/src/test/java/com/zfoo/net/base/netty/timeserver2/TimeServerTest.java b/net/src/test/java/com/zfoo/net/base/netty/timeserver2/TimeServerTest.java
index d5df1887..654c54ee 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/timeserver2/TimeServerTest.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/timeserver2/TimeServerTest.java
@@ -26,19 +26,11 @@ public class TimeServerTest {
 
     @Test
     public void serverTest() {
-        System.out.println("hello");
-        TimeServerTest server = new TimeServerTest(9999);
+        var server = new TimeServerTest();
         server.init();
-        System.out.println("hello");
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
 
-    private int port;
-
-    public TimeServerTest(int port) {
-        this.port = port;
-    }
-
     public void init() {
         //配置服务端nio线程组
         EventLoopGroup bossGroup = new NioEventLoopGroup();//服务端接受客户端连接
@@ -48,7 +40,7 @@ public class TimeServerTest {
             bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                     .option(ChannelOption.SO_BACKLOG, 1024).childHandler(new ChildChannelHandler());
             //绑定端口，同步等待成功
-            ChannelFuture future = bootstrap.bind(port).sync();
+            ChannelFuture future = bootstrap.bind(9999).sync();
             //等待服务端监听端口关闭
             future.channel().closeFuture().sync();
         } catch (InterruptedException e) {
diff --git a/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPClientHandler.java b/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPClientHandler.java
index c3b9e5f9..016804b9 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPClientHandler.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPClientHandler.java
@@ -13,13 +13,11 @@ import io.netty.util.CharsetUtil;
  */
 public class UDPClientHandler extends SimpleChannelInboundHandler<DatagramPacket> {
 
-    private static String DICTIONARY = "bbb";
-
     @Override
     protected void channelRead0(ChannelHandlerContext ctx, DatagramPacket packet) throws Exception {
         String req = packet.content().toString(CharsetUtil.UTF_8);
         System.out.println(req);
-        ctx.writeAndFlush(new DatagramPacket(Unpooled.copiedBuffer(DICTIONARY, CharsetUtil.UTF_8)
+        ctx.writeAndFlush(new DatagramPacket(Unpooled.copiedBuffer("clent", CharsetUtil.UTF_8)
                 , packet.sender()));
     }
 
diff --git a/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPClientTest.java b/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPClientTest.java
index 5e06ea31..6fc71847 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPClientTest.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPClientTest.java
@@ -26,19 +26,12 @@ public class UDPClientTest {
 
     @Test
     public void clientTest() {
-        System.out.println("hello");
-        UDPClientTest server = new UDPClientTest(9999);
-        server.init();
-        System.out.println("hello");
+        var client = new UDPClientTest();
+        client.init();
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
 
 
-    private int port;
-
-    public UDPClientTest(int port) {
-        this.port = port;
-    }
 
     public void init() {
         //配置服务端nio线程组
@@ -54,11 +47,9 @@ public class UDPClientTest {
 
             //向内网的所有机器广播UDP消息
             channel.writeAndFlush(new DatagramPacket(Unpooled.copiedBuffer("client"
-                    , CharsetUtil.UTF_8), new InetSocketAddress("127.0.0.1", port))).sync();
+                    , CharsetUtil.UTF_8), new InetSocketAddress("127.0.0.1", 9999))).sync();
 
-            if (!channel.closeFuture().await(5000)) {
-                System.out.println("查询超时！");
-            }
+            channel.closeFuture().await(5000);
         } catch (InterruptedException e) {
             e.printStackTrace();
         } finally {
diff --git a/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPServerHandler.java b/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPServerHandler.java
index 6965fcc1..8b828ad7 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPServerHandler.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPServerHandler.java
@@ -13,14 +13,12 @@ import io.netty.util.CharsetUtil;
  */
 public class UDPServerHandler extends SimpleChannelInboundHandler<DatagramPacket> {
 
-    private static String DICTIONARY = "aaa";
-
     @Override
     protected void channelRead0(ChannelHandlerContext ctx, DatagramPacket packet) throws Exception {
         String req = packet.content().toString(CharsetUtil.UTF_8);
         System.out.println(req);
         if (req.equals("client")) {
-            ctx.writeAndFlush(new DatagramPacket(Unpooled.copiedBuffer(UDPServerHandler.DICTIONARY, CharsetUtil.UTF_8)
+            ctx.writeAndFlush(new DatagramPacket(Unpooled.copiedBuffer("this is server", CharsetUtil.UTF_8)
                     , packet.sender()));
         }
     }
diff --git a/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPServerTest.java b/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPServerTest.java
index be6e071b..bede5526 100644
--- a/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPServerTest.java
+++ b/net/src/test/java/com/zfoo/net/base/netty/udpserver/UDPServerTest.java
@@ -22,19 +22,11 @@ public class UDPServerTest {
 
     @Test
     public void serverTest() {
-        System.out.println("hello");
-        UDPServerTest server = new UDPServerTest(9999);
+        var server = new UDPServerTest();
         server.init();
-        System.out.println("hello");
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
 
-    private int port;
-
-    public UDPServerTest(int port) {
-        this.port = port;
-    }
-
     public void init() {
         //配置服务端nio线程组
         EventLoopGroup group = new NioEventLoopGroup();//服务端接受客户端连接
@@ -43,7 +35,7 @@ public class UDPServerTest {
             bootstrap.group(group).channel(NioDatagramChannel.class)
                     .option(ChannelOption.SO_BROADCAST, true).handler(new UDPServerHandler());
             //绑定端口，同步等待成功
-            ChannelFuture future = bootstrap.bind(port).sync();
+            ChannelFuture future = bootstrap.bind(9999).sync();
             //等待服务端监听端口关闭
             future.channel().closeFuture().await();
         } catch (InterruptedException e) {
diff --git a/net/src/test/java/com/zfoo/net/base/nio/nio/NioClientTest.java b/net/src/test/java/com/zfoo/net/base/nio/nio/NioClientTest.java
index 37cb1ccf..e172df00 100644
--- a/net/src/test/java/com/zfoo/net/base/nio/nio/NioClientTest.java
+++ b/net/src/test/java/com/zfoo/net/base/nio/nio/NioClientTest.java
@@ -17,29 +17,23 @@ public class NioClientTest implements Runnable {
 
     @Test
     public void clientTest() {
-        NioClientTest nioClient = new NioClientTest("localhost", 9999);
+        var nioClient = new NioClientTest();
         nioClient.init();
         new Thread(nioClient, "clinetThread").start();
         ThreadUtils.sleep(Long.MAX_VALUE);
     }
 
-    private String ip;
-    private int port;
 
     private Selector selector;
     private SocketChannel channel;
     private volatile boolean stop;
 
-    public NioClientTest(String ip, int port) {
-        this.ip = ip;
-        this.port = port;
-    }
 
     public void init() {
         try {
             channel = SocketChannel.open();
             channel.configureBlocking(false);
-            channel.connect(new InetSocketAddress(ip, port));
+            channel.connect(new InetSocketAddress("localhost", 9999));
 
             this.selector = Selector.open();
             channel.register(selector, SelectionKey.OP_CONNECT);
diff --git a/net/src/test/java/com/zfoo/net/base/nio/nio/NioServerTest.java b/net/src/test/java/com/zfoo/net/base/nio/nio/NioServerTest.java
index b2f97c5c..c5e919e1 100644
--- a/net/src/test/java/com/zfoo/net/base/nio/nio/NioServerTest.java
+++ b/net/src/test/java/com/zfoo/net/base/nio/nio/NioServerTest.java
@@ -19,7 +19,7 @@ public class NioServerTest implements Runnable {
 
     @Test
     public void serverTest() {
-        NioServerTest nioServer = new NioServerTest();
+        var nioServer = new NioServerTest();
         nioServer.init(9999);
         new Thread(nioServer, "serverThread").start();
         ThreadUtils.sleep(Long.MAX_VALUE);