diff --git a/example/simple_server/pom.xml b/example/simple_server/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..14de43d3b4056a6bb5a78bc114dcb4fe5c1bd3dd
--- /dev/null
+++ b/example/simple_server/pom.xml
@@ -0,0 +1,35 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>com.gaoyiping</groupId>
+  <artifactId>demo</artifactId>
+  <version>0.0.1-SNAPSHOT</version>
+  <packaging>jar</packaging>
+
+  <name>demo</name>
+  <url>http://maven.apache.org</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>3.8.1</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+    	<groupId>org.smartboot.socket</groupId>
+    	<artifactId>aio-core</artifactId>
+    	<version>1.3.23</version>
+    </dependency>
+    <dependency>
+    	<groupId>com.alibaba</groupId>
+	    <artifactId>fastjson</artifactId>
+	    <version>1.2.54</version>
+	</dependency>
+  </dependencies>
+</project>
diff --git a/example/simple_server/src/main/java/com/gaoyiping/demo/App.java b/example/simple_server/src/main/java/com/gaoyiping/demo/App.java
new file mode 100644
index 0000000000000000000000000000000000000000..5d602244d6a65feb0266d2d3c237f2ea9bbc9193
--- /dev/null
+++ b/example/simple_server/src/main/java/com/gaoyiping/demo/App.java
@@ -0,0 +1,15 @@
+package com.gaoyiping.demo;
+
+import java.io.IOException;
+
+import org.smartboot.socket.transport.AioQuickServer;
+
+public class App {
+    public static void main( String[] args ) throws IOException {
+    	int socketPort = 10086;
+    	AioQuickServer<byte[]> server = new AioQuickServer<byte[]>(socketPort, new DemoProtocol(), new DemoService());
+		server.setBannerEnabled(false); // 关掉万恶的宣传广告 (笑~~)
+		//server.setThreadNum(100);
+		server.start();
+    }
+}
diff --git a/example/simple_server/src/main/java/com/gaoyiping/demo/DemoProtocol.java b/example/simple_server/src/main/java/com/gaoyiping/demo/DemoProtocol.java
new file mode 100644
index 0000000000000000000000000000000000000000..e2eefd8a6603de159a4299af1a77d9a0f3f454ba
--- /dev/null
+++ b/example/simple_server/src/main/java/com/gaoyiping/demo/DemoProtocol.java
@@ -0,0 +1,29 @@
+package com.gaoyiping.demo;
+
+import java.nio.ByteBuffer;
+
+import org.smartboot.socket.Protocol;
+import org.smartboot.socket.transport.AioSession;
+
+public class DemoProtocol implements Protocol<byte[]> {
+
+	public byte[] decode(ByteBuffer readBuffer, AioSession<byte[]> session) {
+		if (readBuffer.remaining() > 0) {
+			byte[] data = new byte[readBuffer.remaining()];
+			readBuffer.get(data);
+			return data;
+			// type 1,2,3 message, see:
+			// https://smartboot.gitee.io/docs/smart-socket/second/3-type-one.html
+			// https://smartboot.gitee.io/docs/smart-socket/second/4-type-two.html
+			// https://smartboot.gitee.io/docs/smart-socket/second/5-type-three.html
+		}
+		return null;
+	}
+
+	public ByteBuffer encode(byte[] msg, AioSession<byte[]> session) {
+		ByteBuffer buffer = ByteBuffer.allocate(msg.length);
+		buffer.put(msg);
+		buffer.flip();
+		return buffer;
+	}
+}
diff --git a/example/simple_server/src/main/java/com/gaoyiping/demo/DemoService.java b/example/simple_server/src/main/java/com/gaoyiping/demo/DemoService.java
new file mode 100644
index 0000000000000000000000000000000000000000..96c75a512cd11d89763605510095eff29465e7ed
--- /dev/null
+++ b/example/simple_server/src/main/java/com/gaoyiping/demo/DemoService.java
@@ -0,0 +1,86 @@
+package com.gaoyiping.demo;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+
+import org.smartboot.socket.MessageProcessor;
+import org.smartboot.socket.StateMachineEnum;
+import org.smartboot.socket.transport.AioSession;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONObject;
+
+public class DemoService implements MessageProcessor<byte[]>, Runnable {
+	private HashMap<String, AioSession<byte[]>> clients = new HashMap<String, AioSession<byte[]>>();
+	private ScheduledExecutorService executorService = Executors.newScheduledThreadPool(12);
+	
+	public DemoService() {
+		executorService.scheduleAtFixedRate(this, 2, 2, TimeUnit.SECONDS);
+	}
+	
+	public void run() {
+		// send data every 2 second...
+		if (this.clients.isEmpty()) return;
+		for (AioSession<byte[]> session: this.clients.values()) {
+			try {
+				session.write("Hey! Smart-Socket it's work...".getBytes());
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
+		}
+	}
+
+	public void process(AioSession<byte[]> session, byte[] msg) {
+		JSONObject jsonObject = JSON.parseObject(msg, JSONObject.class);
+		System.out.println(jsonObject.getString("content"));
+		// SomeCode...
+		try {
+			// Response
+			session.write("{\"result\": \"OK\"}".getBytes());
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+	}
+
+	public void stateEvent(AioSession<byte[]> session, StateMachineEnum stateMachineEnum, Throwable throwable) {
+		// when connection state changed.
+		switch (stateMachineEnum) {
+			case NEW_SESSION:
+				System.out.println("StateMachineEnum.NEW_SESSION");
+				break;
+			case INPUT_SHUTDOWN:
+				System.out.println("StateMachineEnum.INPUT_SHUTDOWN");
+				break;
+			case PROCESS_EXCEPTION:
+				System.out.println("StateMachineEnum.PROCESS_EXCEPTION");
+				break;
+			case DECODE_EXCEPTION:
+				System.out.println("StateMachineEnum.DECODE_EXCEPTION");
+				break;
+			case INPUT_EXCEPTION:
+				System.out.println("StateMachineEnum.INPUT_EXCEPTION");
+				break;
+			case OUTPUT_EXCEPTION:
+				System.out.println("StateMachineEnum.OUTPUT_EXCEPTION");
+				break;
+			case SESSION_CLOSING:
+				System.out.println("StateMachineEnum.SESSION_CLOSING");
+				break;
+			case SESSION_CLOSED:
+				System.out.println("StateMachineEnum.SESSION_CLOSED");
+				break;
+			case FLOW_LIMIT:
+				System.out.println("StateMachineEnum.FLOW_LIMIT");
+				break;
+			case RELEASE_FLOW_LIMIT:
+				System.out.println("StateMachineEnum.RELEASE_FLOW_LIMIT");
+				break;
+			default:
+				System.out.println("StateMachineEnum.default");
+		}
+	}
+
+}
diff --git a/example/simple_server/src/test/java/com/gaoyiping/demo/AppTest.java b/example/simple_server/src/test/java/com/gaoyiping/demo/AppTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..ceb9838de795c815df33effe5af2ccf017f664f5
--- /dev/null
+++ b/example/simple_server/src/test/java/com/gaoyiping/demo/AppTest.java
@@ -0,0 +1,38 @@
+package com.gaoyiping.demo;
+
+import junit.framework.Test;
+import junit.framework.TestCase;
+import junit.framework.TestSuite;
+
+/**
+ * Unit test for simple App.
+ */
+public class AppTest 
+    extends TestCase
+{
+    /**
+     * Create the test case
+     *
+     * @param testName name of the test case
+     */
+    public AppTest( String testName )
+    {
+        super( testName );
+    }
+
+    /**
+     * @return the suite of tests being tested
+     */
+    public static Test suite()
+    {
+        return new TestSuite( AppTest.class );
+    }
+
+    /**
+     * Rigourous Test :-)
+     */
+    public void testApp()
+    {
+        assertTrue( true );
+    }
+}