diff --git a/src/org/redkale/net/AsyncConnection.java b/src/org/redkale/net/AsyncConnection.java
index efa35352e..ed050ece0 100644
--- a/src/org/redkale/net/AsyncConnection.java
+++ b/src/org/redkale/net/AsyncConnection.java
@@ -39,7 +39,7 @@ public abstract class AsyncConnection implements ReadableByteChannel, WritableBy
 
     protected final Consumer<ByteBuffer> bufferConsumer;
 
-    protected ByteBuffer readBuffer;
+    protected ByteBuffer attrBuffer;
 
     //在线数
     protected AtomicLong livingCounter;
@@ -129,15 +129,15 @@ public abstract class AsyncConnection implements ReadableByteChannel, WritableBy
 
     public abstract <A> void write(ByteBuffer[] srcs, int offset, int length, A attachment, CompletionHandler<Integer, ? super A> handler);
 
-    public void setReadBuffer(Buffer buffer) {
-        if (this.readBuffer != null) throw new RuntimeException("repeat AsyncConnection.setReadBuffer");
-        this.readBuffer = (ByteBuffer) buffer;
+    public void setReadBuffer(ByteBuffer buffer) {
+        if (this.attrBuffer != null) throw new RuntimeException("repeat AsyncConnection.setReadBuffer");
+        this.attrBuffer = buffer;
     }
 
     public ByteBuffer pollReadBuffer() {
-        ByteBuffer rs = this.readBuffer;
+        ByteBuffer rs = this.attrBuffer;
         if (rs != null) {
-            this.readBuffer = null;
+            this.attrBuffer = null;
             return rs;
         }
 //        Thread thread = Thread.currentThread();
@@ -147,29 +147,48 @@ public abstract class AsyncConnection implements ReadableByteChannel, WritableBy
         return bufferSupplier.get();
     }
 
-    public void offerBuffer(Buffer buffer) {
+    public void offerBuffer(ByteBuffer buffer) {
         if (buffer == null) return;
 //        Thread thread = Thread.currentThread();
 //        if (thread instanceof IOThread) {
 //            ((IOThread) thread).getBufferPool().accept((ByteBuffer) buffer);
 //            return;
 //        }
-        bufferConsumer.accept((ByteBuffer) buffer);
+
+        if (this.attrBuffer == null) {
+            buffer.clear();
+            this.attrBuffer = buffer;
+        } else {
+            bufferConsumer.accept(buffer);
+        }
     }
 
-    public void offerBuffer(Buffer... buffers) {
-        if (buffers == null) return;
+    public void offerBuffer(ByteBuffer... buffers) {
+        if (buffers == null || buffers.length < 1) return;
         Consumer<ByteBuffer> consumer = this.bufferConsumer;
 //        Thread thread = Thread.currentThread();
 //        if (thread instanceof IOThread) {
 //            consumer = ((IOThread) thread).getBufferPool();
 //        }
-        for (Buffer buffer : buffers) {
-            consumer.accept((ByteBuffer) buffer);
+        if (this.attrBuffer == null) {
+            buffers[0].clear();
+            this.attrBuffer = buffers[0];
+            for (int i = 1; i < buffers.length; i++) {
+                consumer.accept(buffers[i]);
+            }
+        } else {
+            for (ByteBuffer buffer : buffers) {
+                consumer.accept(buffer);
+            }
         }
     }
 
     public ByteBuffer pollWriteBuffer() {
+        ByteBuffer rs = this.attrBuffer;
+        if (rs != null) {
+            this.attrBuffer = null;
+            return rs;
+        }
 //        Thread thread = Thread.currentThread();
 //        if (thread instanceof IOThread) {
 //            return ((IOThread) thread).getBufferPool().get();
@@ -205,13 +224,13 @@ public abstract class AsyncConnection implements ReadableByteChannel, WritableBy
             } catch (Exception io) {
             }
         }
-        if (this.readBuffer != null) {
+        if (this.attrBuffer != null) {
             Consumer<ByteBuffer> consumer = this.bufferConsumer;
 //            Thread thread = Thread.currentThread();
 //            if (thread instanceof IOThread) {
 //                consumer = ((IOThread) thread).getBufferPool();
 //            }
-            consumer.accept(this.readBuffer);
+            consumer.accept(this.attrBuffer);
         }
         if (attributes == null) return;
         try {