diff --git a/src/org/redkale/net/AsyncConnection.java b/src/org/redkale/net/AsyncConnection.java
index 331f83cc7..30a331725 100644
--- a/src/org/redkale/net/AsyncConnection.java
+++ b/src/org/redkale/net/AsyncConnection.java
@@ -118,7 +118,6 @@ public abstract class AsyncConnection implements ReadableByteChannel, WritableBy
 
     public abstract void read(CompletionHandler<Integer, ByteBuffer> handler);
 
-    public abstract void read(long timeout, TimeUnit unit, CompletionHandler<Integer, ByteBuffer> handler);
 
     @Override
     public abstract int write(ByteBuffer src) throws IOException;
diff --git a/src/org/redkale/net/PrepareRunner.java b/src/org/redkale/net/PrepareRunner.java
index 900f1d3ca..5e3325474 100644
--- a/src/org/redkale/net/PrepareRunner.java
+++ b/src/org/redkale/net/PrepareRunner.java
@@ -8,7 +8,6 @@ package org.redkale.net;
 import java.io.IOException;
 import java.nio.*;
 import java.nio.channels.*;
-import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.logging.*;
 import org.redkale.util.*;
@@ -44,7 +43,6 @@ public class PrepareRunner implements Runnable {
 
     @Override
     public void run() {
-        final boolean keepalive = response != null;
         if (data != null) { //BIO模式的UDP连接创建AsyncConnection时已经获取到ByteBuffer数据了
             if (response == null) response = responsePool.get();
             try {
@@ -58,8 +56,7 @@ public class PrepareRunner implements Runnable {
         }
         if (response == null) response = responsePool.get();
         try {
-            channel.read(keepalive ? context.getAliveTimeoutSeconds() : context.getReadTimeoutSeconds(), TimeUnit.SECONDS,
-                new CompletionHandler<Integer, ByteBuffer>() {
+            channel.read(new CompletionHandler<Integer, ByteBuffer>() {
                 @Override
                 public void completed(Integer count, ByteBuffer buffer) {
                     if (count < 1) {
diff --git a/src/org/redkale/net/TcpAioAsyncConnection.java b/src/org/redkale/net/TcpAioAsyncConnection.java
index 6d69919cd..91d839899 100644
--- a/src/org/redkale/net/TcpAioAsyncConnection.java
+++ b/src/org/redkale/net/TcpAioAsyncConnection.java
@@ -103,13 +103,6 @@ public class TcpAioAsyncConnection extends AsyncConnection {
         }
     }
 
-    @Override
-    public void read(long timeout, TimeUnit unit, CompletionHandler<Integer, ByteBuffer> handler) {
-        this.readtime = System.currentTimeMillis();
-        ByteBuffer dst = pollReadBuffer();
-        channel.read(dst, timeout < 0 ? 0 : timeout, unit, dst, handler);
-    }
-
     private <A> void nextWrite(Throwable exc, A attachment) {
         BlockingQueue<WriteEntry> queue = this.writeQueue;
         if (queue != null && exc != null && !isOpen()) {
diff --git a/src/org/redkale/net/UdpBioAsyncConnection.java b/src/org/redkale/net/UdpBioAsyncConnection.java
index 552e1afe7..391589758 100644
--- a/src/org/redkale/net/UdpBioAsyncConnection.java
+++ b/src/org/redkale/net/UdpBioAsyncConnection.java
@@ -10,7 +10,6 @@ import java.net.*;
 import java.nio.ByteBuffer;
 import java.nio.channels.*;
 import java.util.Set;
-import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.function.*;
 import javax.net.ssl.SSLContext;
@@ -142,11 +141,6 @@ public class UdpBioAsyncConnection extends AsyncConnection {
         }
     }
 
-    @Override
-    public void read(long timeout, TimeUnit unit, CompletionHandler<Integer, ByteBuffer> handler) {
-        read(handler);
-    }
-
     @Override
     public int read(ByteBuffer dst) throws IOException {
         int rs = channel.read(dst);