diff --git a/src/com/wentch/redkale/net/ProtocolServer.java b/src/com/wentch/redkale/net/ProtocolServer.java
index e6aaa001d..93af4682e 100644
--- a/src/com/wentch/redkale/net/ProtocolServer.java
+++ b/src/com/wentch/redkale/net/ProtocolServer.java
@@ -9,6 +9,7 @@ import java.io.IOException;
 import java.net.*;
 import java.nio.ByteBuffer;
 import java.nio.channels.*;
+import java.util.concurrent.*;
 
 /**
  *
@@ -16,6 +17,8 @@ import java.nio.channels.*;
  */
 public abstract class ProtocolServer {
 
+    protected static final boolean winos = System.getProperty("os.name").contains("Window");
+
     public abstract void open() throws IOException;
 
     public abstract void bind(SocketAddress local, int backlog) throws IOException;
@@ -31,7 +34,7 @@ public abstract class ProtocolServer {
     //---------------------------------------------------------------------
     public static ProtocolServer create(String protocol, Context context) {
         if ("TCP".equalsIgnoreCase(protocol)) return new ProtocolTCPServer(context);
-        if ("UDP".equalsIgnoreCase(protocol)) return new ProtocolUDPServer(context);
+        if ("UDP".equalsIgnoreCase(protocol)) return winos ? new ProtocolUDPWinServer(context) : new ProtocolUDPServer(context);
         throw new RuntimeException("ProtocolServer not support protocol " + protocol);
     }
 
@@ -98,6 +101,79 @@ public abstract class ProtocolServer {
 
     }
 
+    private static final class ProtocolUDPWinServer extends ProtocolServer {
+
+        private boolean running;
+
+        private final Context context;
+
+        private DatagramChannel serverChannel;
+
+        public ProtocolUDPWinServer(Context context) {
+            this.context = context;
+        }
+
+        @Override
+        public void open() throws IOException {
+            DatagramChannel ch = DatagramChannel.open();
+            ch.configureBlocking(true);
+            this.serverChannel = ch;
+        }
+
+        @Override
+        public void bind(SocketAddress local, int backlog) throws IOException {
+            this.serverChannel.bind(local);
+        }
+
+        @Override
+        public <T> void setOption(SocketOption<T> name, T value) throws IOException {
+            this.serverChannel.setOption(name, value);
+        }
+
+        @Override
+        public void accept() {
+            final DatagramChannel serchannel = this.serverChannel;
+            final int readTimeoutSecond = this.context.readTimeoutSecond;
+            final int writeTimeoutSecond = this.context.writeTimeoutSecond;
+            final CountDownLatch cdl = new CountDownLatch(1);
+            this.running = true;
+            new Thread() {
+                @Override
+                public void run() {
+                    cdl.countDown();
+                    while (running) {
+                        final ByteBuffer buffer = context.pollBuffer();
+                        try {
+                            SocketAddress address = serchannel.receive(buffer);
+                            buffer.flip();
+                            AsyncConnection conn = AsyncConnection.create(serchannel, address, false, readTimeoutSecond, writeTimeoutSecond);
+                            context.submit(new PrepareRunner(context, conn, buffer));
+                        } catch (Exception e) {
+                            context.offerBuffer(buffer);
+                        }
+                    }
+                }
+            }.start();
+            try {
+                cdl.await();
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+
+        @Override
+        public void close() throws IOException {
+            this.running = false;
+            this.serverChannel.close();
+        }
+
+        @Override
+        public AsynchronousChannelGroup getChannelGroup() {
+            return null;
+        }
+
+    }
+
     private static final class ProtocolTCPServer extends ProtocolServer {
 
         private final Context context;