diff --git a/src/main/java/META-INF/application-template.properties b/src/main/java/META-INF/application-template.properties
index 5ab3a7b6e..9b9d765e2 100644
--- a/src/main/java/META-INF/application-template.properties
+++ b/src/main/java/META-INF/application-template.properties
@@ -7,10 +7,6 @@ redkale.lib = ./
 redkale.executor.threads = 4
 redkale.executor.hash = false
 
-#\u3010transport\u8282\u70b9\u5168\u5c40\u552f\u4e00\u3011
-redkale.transport.bufferCapacity = 32k
-redkale.transport.bufferPoolSize = 32
-
 #\u3010excludelibs\u8282\u70b9\u5168\u5c40\u552f\u4e00\u3011
 redkale.excludelibs.value = ^.*mysql.*$;^.*kafka.*$
 
diff --git a/src/main/java/META-INF/application-template.xml b/src/main/java/META-INF/application-template.xml
index d2473330e..97b528d6f 100644
--- a/src/main/java/META-INF/application-template.xml
+++ b/src/main/java/META-INF/application-template.xml
@@ -42,18 +42,6 @@
     -->
     <executor threads="4" hash="false"/>
         
-    <!--
-        【节点全局唯一】
-        transport节点只能有一个，用于配置所有Transport的池参数，没配置该节点将自动创建一个。
-        threads：            线程总数， 默认: <group>节点数*CPU核数*2
-        bufferCapacity:      ByteBuffer的初始化大小， 默认: 32K; 
-        bufferPoolSize：     ByteBuffer池的大小，默认: 线程总数*4
-        readTimeoutSeconds:  TCP读取超时秒数, 默认为6秒， 为0表示无超时限制
-        writeTimeoutSeconds: TCP写入超时秒数, 默认为6秒， 为0表示无超时限制
-        strategy:            远程请求的负载均衡策略， 必须是org.redkale.net.TransportStrategy的实现类
-    -->
-    <transport bufferCapacity="32K" bufferPoolSize="32" threads="32" readTimeoutSeconds="6" writeTimeoutSeconds="6"/>
-        
     <!--
        【节点全局唯一】
         自动扫描时排除部分包路径
@@ -127,9 +115,6 @@
         load:  加载文件，多个用;隔开。
         其他属性: 供org.redkale.boot.PropertiesAgentProvider使用判断
         默认置入的system.property.的有：
-           System.setProperty("redkale.net.transport.poolmaxconns", "100");
-           System.setProperty("redkale.net.transport.pinginterval", "30");
-           System.setProperty("redkale.net.transport.checkinterval", "30");
            System.setProperty("redkale.convert.pool.size", "128");
            System.setProperty("redkale.convert.writer.buffer.defsize", "4096");
            System.setProperty("redkale.trace.enable", "false");
diff --git a/src/main/java/org/redkale/boot/Application.java b/src/main/java/org/redkale/boot/Application.java
index df7e06cee..7639b1a7e 100644
--- a/src/main/java/org/redkale/boot/Application.java
+++ b/src/main/java/org/redkale/boot/Application.java
@@ -303,15 +303,6 @@ public final class Application {
                 }
             }
             //设置默认系统变量
-            if (System.getProperty("redkale.net.transport.poolmaxconns") == null) {
-                System.setProperty("redkale.net.transport.poolmaxconns", "100");
-            }
-            if (System.getProperty("redkale.net.transport.pinginterval") == null) {
-                System.setProperty("redkale.net.transport.pinginterval", "30");
-            }
-            if (System.getProperty("redkale.net.transport.checkinterval") == null) {
-                System.setProperty("redkale.net.transport.checkinterval", "30");
-            }
             if (System.getProperty("redkale.convert.pool.size") == null) {
                 System.setProperty("redkale.convert.pool.size", "128");
             }
diff --git a/src/main/java/org/redkale/boot/NodeServer.java b/src/main/java/org/redkale/boot/NodeServer.java
index 98ce75513..4b784eace 100644
--- a/src/main/java/org/redkale/boot/NodeServer.java
+++ b/src/main/java/org/redkale/boot/NodeServer.java
@@ -928,9 +928,6 @@ public abstract class NodeServer {
             if ("executor".equals(key)) {
                 return AnyValue.MergeFunction.REPLACE;
             }
-            if ("transport".equals(key)) {
-                return AnyValue.MergeFunction.REPLACE;
-            }
             if ("excludelibs".equals(key)) {
                 return AnyValue.MergeFunction.REPLACE;
             }
diff --git a/src/main/java/org/redkale/convert/bson/BsonWriter.java b/src/main/java/org/redkale/convert/bson/BsonWriter.java
index 5079cea02..285dcfa4d 100644
--- a/src/main/java/org/redkale/convert/bson/BsonWriter.java
+++ b/src/main/java/org/redkale/convert/bson/BsonWriter.java
@@ -74,15 +74,6 @@ public class BsonWriter extends Writer implements ByteTuple {
         return new ByteArray(this);
     }
 
-    public byte[] toArray() {
-        if (count == content.length) {
-            return content;
-        }
-        byte[] newdata = new byte[count];
-        System.arraycopy(content, 0, newdata, 0, count);
-        return newdata;
-    }
-
     public ByteBuffer[] toBuffers() {
         return new ByteBuffer[]{ByteBuffer.wrap(content, 0, count)};
     }
diff --git a/src/main/java/org/redkale/net/Response.java b/src/main/java/org/redkale/net/Response.java
index f9d9cc734..3b67357e9 100644
--- a/src/main/java/org/redkale/net/Response.java
+++ b/src/main/java/org/redkale/net/Response.java
@@ -276,7 +276,8 @@ public abstract class Response<C extends Context, R extends Request<C>> {
     private void completeInIOThread(boolean kill) {
         if (!this.inited) {
             return; //避免重复关闭
-        }        //System.println("耗时: " + (System.currentTimeMillis() - request.createtime));
+        }
+        //System.println("耗时: " + (System.currentTimeMillis() - request.createtime));
         if (kill) {
             refuseAlive();
         }
@@ -300,7 +301,6 @@ public abstract class Response<C extends Context, R extends Request<C>> {
                 new ProtocolCodec(context, poolSupplier, poolConsumer, conn).response(this).run(null);
             }
         } else {
-            new Exception().printStackTrace();
             this.responseConsumer.accept(this);
         }
     }
diff --git a/src/main/java/org/redkale/net/Transport.java b/src/main/java/org/redkale/net/Transport.java
index 564207882..4b0a58e65 100644
--- a/src/main/java/org/redkale/net/Transport.java
+++ b/src/main/java/org/redkale/net/Transport.java
@@ -23,7 +23,7 @@ import org.redkale.convert.json.JsonConvert;
 import org.redkale.util.*;
 
 /**
- * 传输客户端
+ * 被net.client模块代替
  *
  * <p>
  * 详情见: https://redkale.org
diff --git a/src/main/java/org/redkale/net/TransportFactory.java b/src/main/java/org/redkale/net/TransportFactory.java
index 67a41e827..19b130b0a 100644
--- a/src/main/java/org/redkale/net/TransportFactory.java
+++ b/src/main/java/org/redkale/net/TransportFactory.java
@@ -19,8 +19,7 @@ import org.redkale.service.Service;
 import org.redkale.util.*;
 
 /**
- * System.getProperty("redkale.net.transport.ping.interval", "30") 心跳周期，默认30秒
- * System.getProperty("redkale.net.transport.check.interval", "30") 检查不可用地址周期，默认30秒
+ * 被net.client模块代替
  *
  * <p>
  * 详情见: https://redkale.org
diff --git a/src/main/java/org/redkale/net/TransportGroupInfo.java b/src/main/java/org/redkale/net/TransportGroupInfo.java
index d5de8d6aa..c18842418 100644
--- a/src/main/java/org/redkale/net/TransportGroupInfo.java
+++ b/src/main/java/org/redkale/net/TransportGroupInfo.java
@@ -12,7 +12,7 @@ import org.redkale.convert.json.JsonConvert;
 import org.redkale.util.Utility;
 
 /**
- * 协议地址组合对象, 对应application.xml 中 resources-&#62;group 节点信息
+ * 被net.client模块代替
  *
  * <p>
  * 详情见: https://redkale.org
diff --git a/src/main/java/org/redkale/net/TransportStrategy.java b/src/main/java/org/redkale/net/TransportStrategy.java
index db10843be..7663df992 100644
--- a/src/main/java/org/redkale/net/TransportStrategy.java
+++ b/src/main/java/org/redkale/net/TransportStrategy.java
@@ -9,7 +9,7 @@ import java.net.SocketAddress;
 import java.util.concurrent.CompletableFuture;
 
 /**
- * 远程请求的负载均衡策略
+ * 被net.client模块代替
  *
  * <p>
  * 详情见: https://redkale.org
diff --git a/src/main/java/org/redkale/net/client/ClientCodec.java b/src/main/java/org/redkale/net/client/ClientCodec.java
index b195727f7..1ad6db9e6 100644
--- a/src/main/java/org/redkale/net/client/ClientCodec.java
+++ b/src/main/java/org/redkale/net/client/ClientCodec.java
@@ -69,7 +69,7 @@ public abstract class ClientCodec<R extends ClientRequest, P> implements Complet
             for (ClientResponse<R, P> cr : respResults) {
                 connection.doneResponseCounter.increment();
                 if (cr.isError()) {
-                    connection.dispose(null);
+                    connection.dispose(cr.exc);
                     return;
                 } else {
                     ClientFuture<R, P> respFuture = connection.pollRespFuture(cr.getRequestid());
diff --git a/src/main/java/org/redkale/net/sncp/SncpClient.java b/src/main/java/org/redkale/net/sncp/SncpClient.java
index a9c41f04b..3c215bc81 100644
--- a/src/main/java/org/redkale/net/sncp/SncpClient.java
+++ b/src/main/java/org/redkale/net/sncp/SncpClient.java
@@ -3,16 +3,10 @@
  */
 package org.redkale.net.sncp;
 
-import java.lang.reflect.Type;
 import java.net.*;
-import java.nio.channels.CompletionHandler;
 import java.util.concurrent.CompletableFuture;
-import org.redkale.convert.*;
-import org.redkale.convert.bson.BsonConvert;
 import org.redkale.net.*;
 import org.redkale.net.client.*;
-import org.redkale.net.sncp.SncpRemoteInfo.SncpRemoteAction;
-import org.redkale.util.*;
 
 /**
  * SNCP版Client, 一个SncpServer只能对应一个SncpClient
@@ -26,7 +20,7 @@ import org.redkale.util.*;
  */
 public class SncpClient extends Client<SncpClientConnection, SncpClientRequest, SncpClientResult> {
 
-    private final InetSocketAddress clientSncpAddress;
+    final InetSocketAddress clientSncpAddress;
 
     public SncpClient(String name, AsyncGroup group, InetSocketAddress clientSncpAddress, ClientAddress address, String netprotocol, int maxConns, int maxPipelines) {
         super(name, group, "TCP".equalsIgnoreCase(netprotocol), address, maxConns, maxPipelines, null, null, null); //maxConns
@@ -47,91 +41,9 @@ public class SncpClient extends Client<SncpClientConnection, SncpClientRequest,
         return super.connect(addr);
     }
 
-    //只给远程模式调用的
-    public <T> T remote(final SncpRemoteInfo info, final int index, final Object[] params) {
-        final Convert convert = info.convert;
-        final SncpRemoteAction action = info.actions[index];
-        CompletionHandler callbackHandler = null;
-        Object callbackHandlerAttach = null;
-        if (action.paramHandlerIndex >= 0) {
-            callbackHandler = (CompletionHandler) params[action.paramHandlerIndex];
-            params[action.paramHandlerIndex] = null;
-            if (action.paramHandlerAttachIndex >= 0) {
-                callbackHandlerAttach = params[action.paramHandlerAttachIndex];
-                params[action.paramHandlerAttachIndex] = null;
-            }
-        }
-        final CompletableFuture<byte[]> future = remote(info, action, convert, Traces.currTraceid(), params);
-        if (action.paramHandlerIndex >= 0) { //参数中存在CompletionHandler
-            final CompletionHandler handler = callbackHandler;
-            final Object attach = callbackHandlerAttach;
-            if (handler == null) { //传入的CompletionHandler参数为null
-                future.join();
-            } else {
-                future.whenComplete((v, t) -> {
-                    if (t == null) {
-                        //v,length-1为了读掉(byte)0
-                        handler.completed(v == null ? null : convert.convertFrom(action.paramHandlerResultType, v, 1, v.length - 1), attach);
-                    } else {
-                        handler.failed(t, attach);
-                    }
-                });
-            }
-        } else if (action.returnFutureClass != null) { //返回类型为CompletableFuture
-            if (action.returnFutureClass == CompletableFuture.class) {
-                //v,length-1为了读掉(byte)0
-                return (T) future.thenApply(v -> v == null ? null : convert.convertFrom(action.returnFutureResultType, v, 1, v.length - 1));
-            } else {
-                final CompletableFuture returnFuture = action.returnFutureCreator.create();
-                future.whenComplete((v, t) -> {
-                    if (t == null) {
-                        //v,length-1为了读掉(byte)0
-                        returnFuture.complete(v == null ? null : convert.convertFrom(action.returnFutureResultType, v, 1, v.length - 1));
-                    } else {
-                        returnFuture.completeExceptionally(t);
-                    }
-                });
-                return (T) returnFuture;
-            }
-        } else if (action.returnObjectType != null) { //返回类型为JavaBean
-            //v,length-1为了读掉(byte)0
-            return (T) future.thenApply(v -> v == null ? null : convert.convertFrom(action.returnObjectType, v, 1, v.length - 1)).join();
-        } else { //返回类型为void
-            future.join();
-        }
-        return null;
+    @Override
+    protected CompletableFuture<SncpClientResult> writeChannel(ClientConnection conn, SncpClientRequest request) {
+        return super.writeChannel(conn, request);
     }
 
-    private CompletableFuture<byte[]> remote(
-        final SncpRemoteInfo info,
-        final SncpRemoteAction action,
-        final Convert convert,
-        final String traceid,
-        final Object[] params) {
-        final Type[] myParamTypes = action.paramTypes;
-        final Class[] myParamClass = action.paramClasses;
-        if (action.paramAddressSourceIndex >= 0) {
-            params[action.paramAddressSourceIndex] = this.clientSncpAddress;
-        }
-        final long seqid = System.nanoTime();
-        final SncpClientRequest requet = new SncpClientRequest();
-        Writer writer = null;
-        if (myParamTypes.length > 0) {
-            writer = convert.pollWriter();
-            for (int i = 0; i < params.length; i++) { //service方法的参数
-                Convert bcc = convert;
-                if (params[i] instanceof org.redkale.service.RetResult) {
-                    org.redkale.convert.Convert cc = ((org.redkale.service.RetResult) params[i]).convert();
-                    if (cc instanceof BsonConvert) {
-                        bcc = (BsonConvert) cc;
-                    }
-                }
-                bcc.convertTo(writer, CompletionHandler.class.isAssignableFrom(myParamClass[i]) ? CompletionHandler.class : myParamTypes[i], params[i]);
-            }
-        }
-        requet.prepare(action.header, seqid, traceid, (ByteTuple) writer);
-        //writer没有回收，待优化
-        final SocketAddress addr = action.paramAddressTargetIndex >= 0 ? (SocketAddress) params[action.paramAddressTargetIndex] : info.nextRemoteAddress();
-        return super.connect(addr).thenCompose(conn -> writeChannel(conn, requet).thenApply(rs -> rs.getBodyContent()));
-    }
 }
diff --git a/src/main/java/org/redkale/net/sncp/SncpClientCodec.java b/src/main/java/org/redkale/net/sncp/SncpClientCodec.java
index 6427901a2..97d8a7118 100644
--- a/src/main/java/org/redkale/net/sncp/SncpClientCodec.java
+++ b/src/main/java/org/redkale/net/sncp/SncpClientCodec.java
@@ -72,6 +72,9 @@ public class SncpClientCodec extends ClientCodec<SncpClientRequest, SncpClientRe
                     occurError(null, new SncpException("sncp header length must be " + HEADER_SIZE + ", but " + headerSize)); //request不一定存在
                     return;
                 }
+                //if (halfHeaderBytes.length() != HEADER_SIZE) {
+                //    logger.log(Level.SEVERE, "halfHeaderBytes.length must be " + HEADER_SIZE + ", but " + halfHeaderBytes.length());
+                //}
                 halfHeaderBytes = null;
                 if (result.getBodyLength() < 1) {
                     addMessage(findRequest(result.getRequestid()), result);
@@ -90,6 +93,9 @@ public class SncpClientCodec extends ClientCodec<SncpClientRequest, SncpClientRe
                     halfBodyBytes.put(buffer, lastResult.getBodyLength() - halfBodyBytes.length());
                     //读取完整body
                     lastResult.setBodyContent(halfBodyBytes.getBytes());
+                    //if (halfBodyBytes.length() != lastResult.getBodyLength()) {
+                    //    logger.log(Level.SEVERE, "halfBodyBytes.length must be " + lastResult.getBodyLength() + ", but " + halfBodyBytes.length());
+                    //}
                     halfBodyBytes = null;
                     addMessage(findRequest(lastResult.getRequestid()), lastResult);
                     lastResult = null;
@@ -100,8 +106,12 @@ public class SncpClientCodec extends ClientCodec<SncpClientRequest, SncpClientRe
                     halfBodyBytes.put(buffer);
                     return;
                 }
+                //有足够的数据读取完整body
                 lastResult.readBody(buffer);
                 halfBodyBytes = null;
+                //if (lastResult.getBodyContent().length != lastResult.getBodyLength()) {
+                //    logger.log(Level.SEVERE, "lastResult.length must be " + lastResult.getBodyLength() + ", but " + lastResult.getBodyContent().length);
+                //}
                 addMessage(findRequest(lastResult.getRequestid()), lastResult);
                 lastResult = null;
                 continue;
diff --git a/src/main/java/org/redkale/net/sncp/SncpClientRequest.java b/src/main/java/org/redkale/net/sncp/SncpClientRequest.java
index cb4da99bb..a3dc9837e 100644
--- a/src/main/java/org/redkale/net/sncp/SncpClientRequest.java
+++ b/src/main/java/org/redkale/net/sncp/SncpClientRequest.java
@@ -6,7 +6,7 @@ package org.redkale.net.sncp;
 import java.io.Serializable;
 import java.util.Objects;
 import org.redkale.net.client.*;
-import org.redkale.util.*;
+import org.redkale.util.ByteArray;
 
 /**
  * client版请求
@@ -24,12 +24,12 @@ public class SncpClientRequest extends ClientRequest {
 
     private long seqid;
 
-    private ByteTuple bodyContent;
+    private byte[] bodyContent;
 
     public SncpClientRequest() {
     }
 
-    public SncpClientRequest prepare(SncpHeader header, long seqid, String traceid, ByteTuple bodyContent) {
+    public SncpClientRequest prepare(SncpHeader header, long seqid, String traceid, byte[] bodyContent) {
         super.prepare();
         this.header = header;
         this.seqid = seqid;
@@ -55,14 +55,14 @@ public class SncpClientRequest extends ClientRequest {
     public Serializable getRequestid() {
         return seqid;
     }
-    
+
     @Override
     public void writeTo(ClientConnection conn, ByteArray array) {
         array.putPlaceholder(SncpHeader.HEADER_SIZE);
-        if (bodyContent == null || bodyContent.length() == 0) {
+        if (bodyContent == null) {
             header.writeTo(array, header.getAddrBytes(), header.getAddrPort(), seqid, 0, 0);
         } else {
-            header.writeTo(array, header.getAddrBytes(), header.getAddrPort(), seqid, bodyContent.length(), 0);
+            header.writeTo(array, header.getAddrBytes(), header.getAddrPort(), seqid, bodyContent.length, 0);
             array.put(bodyContent);
         }
     }
@@ -71,7 +71,7 @@ public class SncpClientRequest extends ClientRequest {
     public String toString() {
         return getClass().getSimpleName() + "_" + Objects.hashCode(this) + "{"
             + "header=" + header + ", seqid =" + seqid
-            + ", body=[" + (bodyContent == null ? -1 : bodyContent.length()) + "]"
+            + ", body=[" + (bodyContent == null ? -1 : bodyContent.length) + "]"
             + "}";
     }
 
@@ -83,7 +83,7 @@ public class SncpClientRequest extends ClientRequest {
         return seqid;
     }
 
-    public ByteTuple getBodyContent() {
+    public byte[] getBodyContent() {
         return bodyContent;
     }
 
diff --git a/src/main/java/org/redkale/net/sncp/SncpHeader.java b/src/main/java/org/redkale/net/sncp/SncpHeader.java
index b9a75e933..2167bce49 100644
--- a/src/main/java/org/redkale/net/sncp/SncpHeader.java
+++ b/src/main/java/org/redkale/net/sncp/SncpHeader.java
@@ -55,8 +55,12 @@ public class SncpHeader {
         this.addrPort = clientSncpAddress == null ? 0 : clientSncpAddress.getPort();
         this.serviceid = serviceid;
         this.actionid = actionid;
+        if (addrBytes.length != 4) {
+            throw new SncpException("address bytes length must be 4, but " + addrBytes.length);
+        }
     }
 
+    //返回Header Size
     public int read(ByteBuffer buffer) {
         this.seqid = buffer.getLong();  //8
         int size = buffer.getChar();
@@ -76,6 +80,7 @@ public class SncpHeader {
         return size;
     }
 
+    //返回Header Size
     public int read(ByteArray array) {
         int offset = 0;
         this.seqid = array.getLong(offset);  //8
@@ -96,7 +101,7 @@ public class SncpHeader {
         this.abilities = array.getInt(offset); //4       
         offset += 4;
         this.timestamp = array.getLong(offset); //8        
-        offset += 4;
+        offset += 8;
         this.retcode = array.getInt(offset); //4          
         offset += 4;
         this.bodyLength = array.getInt(offset); //4 
@@ -110,6 +115,9 @@ public class SncpHeader {
     }
 
     public ByteArray writeTo(ByteArray array, byte[] newAddrBytes, int newAddrPort, long newSeqid, int bodyLength, int retcode) {
+        if (newAddrBytes.length != 4) {
+            throw new SncpException("address bytes length must be 4, but " + newAddrBytes.length);
+        }
         int offset = 0;
         array.putLong(offset, newSeqid); //8
         offset += 8;
@@ -149,7 +157,7 @@ public class SncpHeader {
     }
 
     public InetSocketAddress getAddress() {
-        if (addrBytes == null || addrBytes[0] == 0) {
+        if (addrBytes == null) {
             return null;
         }
         return new InetSocketAddress((0xff & addrBytes[0]) + "." + (0xff & addrBytes[1]) + "." + (0xff & addrBytes[2]) + "." + (0xff & addrBytes[3]), addrPort);
diff --git a/src/main/java/org/redkale/net/sncp/SncpRemoteInfo.java b/src/main/java/org/redkale/net/sncp/SncpRemoteInfo.java
index 34db98f8e..0a8f802fa 100644
--- a/src/main/java/org/redkale/net/sncp/SncpRemoteInfo.java
+++ b/src/main/java/org/redkale/net/sncp/SncpRemoteInfo.java
@@ -6,12 +6,16 @@ package org.redkale.net.sncp;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.*;
 import java.net.*;
+import java.nio.ByteBuffer;
 import java.nio.channels.CompletionHandler;
 import java.util.*;
 import java.util.concurrent.*;
-import org.redkale.convert.Convert;
+import java.util.logging.*;
+import org.redkale.convert.*;
+import org.redkale.convert.json.JsonConvert;
 import org.redkale.mq.*;
 import static org.redkale.net.sncp.Sncp.loadMethodActions;
+import static org.redkale.net.sncp.SncpHeader.HEADER_SIZE;
 import org.redkale.service.*;
 import org.redkale.util.*;
 
@@ -26,7 +30,9 @@ import org.redkale.util.*;
  *
  * @since 2.8.0
  */
-public final class SncpRemoteInfo<T extends Service> {
+public class SncpRemoteInfo<T extends Service> {
+
+    protected static final Logger logger = Logger.getLogger(SncpRemoteInfo.class.getSimpleName());
 
     protected final String name;
 
@@ -34,40 +40,43 @@ public final class SncpRemoteInfo<T extends Service> {
 
     protected final Uint128 serviceid;
 
+    protected final String resourceid;
+
     protected final int serviceVersion;
 
     protected final SncpRemoteAction[] actions;
 
-    //MQ模式下此字段才有值
-    protected final String topic;
-
-    //默认值: BsonConvert.root()
-    protected final Convert convert;
-
     //非MQ模式下此字段才有值
     protected final SncpRpcGroups sncpRpcGroups;
 
     //非MQ模式下此字段才有值
     protected final SncpClient sncpClient;
 
+    //非MQ模式下此字段才有值, 可能为null
+    protected String remoteGroup;
+
+    //非MQ模式下此字段才有值, 可能为null
+    protected Set<InetSocketAddress> remoteAddresses;
+
+    //默认值: BsonConvert.root()
+    protected final Convert convert;
+
+    //MQ模式下此字段才有值
+    protected final String topic;
+
     //MQ模式下此字段才有值
     protected final MessageAgent messageAgent;
 
     //MQ模式下此字段才有值
     protected final SncpMessageClient messageClient;
 
-    //MQ模式下此字段才有值, 可能为null
-    protected String remoteGroup;
-
-    //MQ模式下此字段才有值, 可能为null
-    protected Set<InetSocketAddress> remoteAddresses;
-
-    SncpRemoteInfo(String resourceName, Class<T> resourceServiceType, Class<T> serviceImplClass, Convert convert,
+    SncpRemoteInfo(String resourceName, Class<T> resourceType, Class<T> serviceImplClass, Convert convert,
         SncpRpcGroups sncpRpcGroups, SncpClient sncpClient, MessageAgent messageAgent, String remoteGroup) {
         Objects.requireNonNull(sncpRpcGroups);
         this.name = resourceName;
-        this.serviceType = resourceServiceType;
-        this.serviceid = Sncp.serviceid(resourceName, resourceServiceType);
+        this.serviceType = resourceType;
+        this.resourceid = Sncp.resourceid(resourceName, resourceType);
+        this.serviceid = Sncp.serviceid(resourceName, resourceType);
         this.convert = convert;
         this.serviceVersion = 0;
         this.sncpRpcGroups = sncpRpcGroups;
@@ -75,16 +84,149 @@ public final class SncpRemoteInfo<T extends Service> {
         this.messageAgent = messageAgent;
         this.remoteGroup = remoteGroup;
         this.messageClient = messageAgent == null ? null : messageAgent.getSncpMessageClient();
-        this.topic = messageAgent == null ? null : messageAgent.generateSncpReqTopic(resourceName, resourceServiceType);
+        this.topic = messageAgent == null ? null : messageAgent.generateSncpReqTopic(resourceName, resourceType);
 
         final List<SncpRemoteAction> serviceActions = new ArrayList<>();
-        for (Map.Entry<Uint128, Method> en : loadMethodActions(resourceServiceType).entrySet()) {
+        for (Map.Entry<Uint128, Method> en : loadMethodActions(resourceType).entrySet()) {
             serviceActions.add(new SncpRemoteAction(serviceImplClass, en.getValue(), serviceid, en.getKey()));
         }
         this.actions = serviceActions.toArray(new SncpRemoteAction[serviceActions.size()]);
     }
 
-    public InetSocketAddress nextRemoteAddress() {
+    //由远程模式的DyncRemoveService调用
+    public <T> T remote(final int index, final Object... params) {
+        final SncpRemoteAction action = this.actions[index];
+        CompletionHandler callbackHandler = null;
+        Object callbackHandlerAttach = null;
+        if (action.paramHandlerIndex >= 0) {
+            callbackHandler = (CompletionHandler) params[action.paramHandlerIndex];
+            params[action.paramHandlerIndex] = null;
+            if (action.paramHandlerAttachIndex >= 0) {
+                callbackHandlerAttach = params[action.paramHandlerAttachIndex];
+                params[action.paramHandlerAttachIndex] = null;
+            }
+        }
+        final CompletableFuture<byte[]> future = remote(action, Traces.currTraceid(), params);
+        if (action.paramHandlerIndex >= 0) { //参数中存在CompletionHandler
+            final CompletionHandler handler = callbackHandler;
+            final Object attach = callbackHandlerAttach;
+            if (handler == null) { //传入的CompletionHandler参数为null
+                future.join();
+            } else {
+                future.whenComplete((v, t) -> {
+                    if (t == null) {
+                        //v,length-1为了读掉(byte)0
+                        handler.completed(v == null ? null : convert.convertFrom(action.paramHandlerResultType, v, 1, v.length - 1), attach);
+                    } else {
+                        handler.failed(t, attach);
+                    }
+                });
+            }
+        } else if (action.returnFutureClass != null) { //返回类型为CompletableFuture
+            if (action.returnFutureClass == CompletableFuture.class) {
+                //v,length-1为了读掉(byte)0
+                return (T) future.thenApply(v -> v == null ? null : convert.convertFrom(action.returnFutureResultType, v, 1, v.length - 1));
+            } else {
+                final CompletableFuture returnFuture = action.returnFutureCreator.create();
+                future.whenComplete((v, t) -> {
+                    if (t == null) {
+                        //v,length-1为了读掉(byte)0
+                        returnFuture.complete(v == null ? null : convert.convertFrom(action.returnFutureResultType, v, 1, v.length - 1));
+                    } else {
+                        returnFuture.completeExceptionally(t);
+                    }
+                });
+                return (T) returnFuture;
+            }
+        } else if (action.returnObjectType != null) { //返回类型为JavaBean
+            //v,length-1为了读掉(byte)0
+            return (T) future.thenApply(v -> v == null ? null : convert.convertFrom(action.returnObjectType, v, 1, v.length - 1)).join();
+        } else { //返回类型为void
+            future.join();
+        }
+        return null;
+    }
+
+    private CompletableFuture<byte[]> remote(final SncpRemoteAction action, final String traceid, final Object[] params) {
+        if (messageAgent != null) {
+            return remoteMessage(action, traceid, params);
+        } else {
+            return remoteClient(action, traceid, params);
+        }
+    }
+
+    //MQ模式RPC
+    protected CompletableFuture<byte[]> remoteMessage(final SncpRemoteAction action, final String traceid, final Object[] params) {
+        final SncpClientRequest request = createSncpClientRequest(action, this.sncpClient.clientSncpAddress, traceid, params);
+        String targetTopic = action.paramTopicTargetIndex >= 0 ? (String) params[action.paramTopicTargetIndex] : this.topic;
+        if (targetTopic == null) {
+            targetTopic = this.topic;
+        }
+        ByteArray array = new ByteArray();
+        request.writeTo(null, array);
+        MessageRecord message = messageClient.createMessageRecord(targetTopic, null, array.getBytes());
+        final String tt = targetTopic;
+        if (logger.isLoggable(Level.FINER)) {
+            message.attach(Utility.append(new Object[]{action.actionName()}, params));
+        } else {
+            message.attach(params);
+        }
+        return messageClient.sendMessage(message).thenApply(msg -> {
+            if (msg == null || msg.getContent() == null) {
+                logger.log(Level.SEVERE, action.method + " sncp mq(params: " + JsonConvert.root().convertTo(params) + ", message: " + message + ") deal error, this.topic = " + this.topic + ", targetTopic = " + tt + ", result = " + msg);
+                return null;
+            }
+            ByteBuffer buffer = ByteBuffer.wrap(msg.getContent());
+            SncpHeader header = new SncpHeader();
+            int headerSize = header.read(buffer);
+            if (headerSize != HEADER_SIZE) {
+                throw new SncpException("sncp header length must be " + HEADER_SIZE + ", but is " + headerSize);
+            }
+            if (!header.checkValid(action.header)) {
+                throw new SncpException("sncp header error, response-header:" + action.header + "+, response-header:" + header);
+            }
+            final int retcode = header.getRetcode();
+            if (retcode != 0) {
+                logger.log(Level.SEVERE, action.method + " sncp (params: " + JsonConvert.root().convertTo(params) + ") deal error (retcode=" + retcode + ", retinfo=" + SncpResponse.getRetCodeInfo(retcode) + "), params=" + JsonConvert.root().convertTo(params));
+                throw new SncpException("remote service(" + action.method + ") deal error (retcode=" + retcode + ", retinfo=" + SncpResponse.getRetCodeInfo(retcode) + ")");
+            }
+            final int respBodyLength = header.getBodyLength();
+            byte[] body = new byte[respBodyLength];
+            buffer.get(body, 0, respBodyLength);
+            return body;
+        });
+    }
+
+    //Client模式RPC
+    protected CompletableFuture<byte[]> remoteClient(final SncpRemoteAction action, final String traceid, final Object[] params) {
+        final SncpClient client = this.sncpClient;
+        final SncpClientRequest request = createSncpClientRequest(action, client.clientSncpAddress, traceid, params);
+        final SocketAddress addr = action.paramAddressTargetIndex >= 0 ? (SocketAddress) params[action.paramAddressTargetIndex] : nextRemoteAddress();
+        return client.connect(addr).thenCompose(conn -> client.writeChannel(conn, request).thenApply(rs -> rs.getBodyContent()));
+    }
+
+    protected SncpClientRequest createSncpClientRequest(final SncpRemoteAction action, final InetSocketAddress clientSncpAddress, final String traceid, final Object[] params) {
+        final Type[] myParamTypes = action.paramTypes;
+        final Class[] myParamClass = action.paramClasses;
+        if (action.paramAddressSourceIndex >= 0) {
+            params[action.paramAddressSourceIndex] = clientSncpAddress;
+        }
+        final long seqid = System.nanoTime();
+        byte[] body = null;
+        if (myParamTypes.length > 0) {
+            Writer writer = convert.pollWriter();
+            for (int i = 0; i < params.length; i++) { //service方法的参数
+                convert.convertTo(writer, CompletionHandler.class.isAssignableFrom(myParamClass[i]) ? CompletionHandler.class : myParamTypes[i], params[i]);
+            }
+            body = ((ByteTuple) writer).toArray();
+            convert.offerWriter(writer);
+        }
+        final SncpClientRequest requet = new SncpClientRequest();
+        requet.prepare(action.header, seqid, traceid, body);
+        return requet;
+    }
+
+    protected InetSocketAddress nextRemoteAddress() {
         SncpRpcGroup srg = sncpRpcGroups.getSncpRpcGroup(remoteGroup);
         if (srg != null) {
             Set<InetSocketAddress> addrs = srg.getAddresses();
@@ -98,19 +240,6 @@ public final class SncpRemoteInfo<T extends Service> {
         throw new SncpException("Not found SocketAddress by remoteGroup = " + remoteGroup);
     }
 
-    //由远程模式的DyncRemoveService调用
-    public <T> T remote(final int index, final Object... params) {
-        if (messageAgent != null) {
-            return remoteMessage(index, params);
-        } else {
-            return sncpClient.remote(this, index, params);
-        }
-    }
-
-    private <T> T remoteMessage(final int index, final Object[] params) {
-        throw new UnsupportedOperationException();
-    }
-
     @Override
     public String toString() {
         InetSocketAddress clientSncpAddress = sncpClient == null ? null : sncpClient.getClientSncpAddress();
diff --git a/src/main/java/org/redkale/util/ByteTuple.java b/src/main/java/org/redkale/util/ByteTuple.java
index 70d43d966..6e4c69d6b 100644
--- a/src/main/java/org/redkale/util/ByteTuple.java
+++ b/src/main/java/org/redkale/util/ByteTuple.java
@@ -5,6 +5,8 @@
  */
 package org.redkale.util;
 
+import java.util.Arrays;
+
 /**
  * 简单的byte[]数据接口。
  *
@@ -21,4 +23,9 @@ public interface ByteTuple {
     public int offset();
 
     public int length();
+
+    default byte[] toArray() {
+        int o = offset();
+        return Arrays.copyOfRange(content(), o, o + length());
+    }
 }
diff --git a/src/test/java/org/redkale/test/sncp/SncpClientCodecTest.java b/src/test/java/org/redkale/test/sncp/SncpClientCodecTest.java
index fc0fe2e1c..cba07da98 100644
--- a/src/test/java/org/redkale/test/sncp/SncpClientCodecTest.java
+++ b/src/test/java/org/redkale/test/sncp/SncpClientCodecTest.java
@@ -49,11 +49,11 @@ public class SncpClientCodecTest {
             SncpHeader header = new SncpHeader(sncpAddress, Uint128.ZERO, Uint128.ZERO);
             SncpClientRequest request = new SncpClientRequest();
             ByteArray writeArray = new ByteArray();
-            request.prepare(header, 1, "", new ByteArray().putPlaceholder(20));
+            request.prepare(header, 1, "", new byte[20]);
             System.out.println("request.1 = " + request);
             writeArray.put(new byte[SncpHeader.HEADER_SIZE]);
             request.writeTo(conn, writeArray);
-            request.prepare(header, 2, "", new ByteArray().putPlaceholder(25));
+            request.prepare(header, 2, "", new byte[25]);
             System.out.println("request.2 = " + request);
             writeArray.put(new byte[SncpHeader.HEADER_SIZE]);
             request.writeTo(conn, writeArray);
diff --git a/src/test/java/org/redkale/test/sncp/SncpTest.java b/src/test/java/org/redkale/test/sncp/SncpTest.java
index 46d751e17..24ecd0f98 100644
--- a/src/test/java/org/redkale/test/sncp/SncpTest.java
+++ b/src/test/java/org/redkale/test/sncp/SncpTest.java
@@ -28,7 +28,7 @@ public class SncpTest {
 
     private static int port2 = 4240;
 
-    private static final String protocol = "SNCP.UDP";
+    private static final String protocol = "SNCP.TCP"; // TCP UDP
 
     private static final int clientCapacity = protocol.endsWith(".UDP") ? AsyncGroup.UDP_BUFFER_CAPACITY : 8192;
 
@@ -91,7 +91,7 @@ public class SncpTest {
         System.out.println("bean： " + callbean);
         System.out.println("\r\n\r\n\r\n\r\n---------------------------------------------------");
         Thread.sleep(200);
-        final int count = 10;
+        final int count = 40;
         final CountDownLatch cld = new CountDownLatch(count);
         final AtomicInteger ai = new AtomicInteger();
         long s = System.currentTimeMillis();
diff --git a/src/test/java/org/redkale/test/sncp/SncpTestServiceImpl.java b/src/test/java/org/redkale/test/sncp/SncpTestServiceImpl.java
index 8a620896d..c907f749f 100644
--- a/src/test/java/org/redkale/test/sncp/SncpTestServiceImpl.java
+++ b/src/test/java/org/redkale/test/sncp/SncpTestServiceImpl.java
@@ -33,7 +33,7 @@ public class SncpTestServiceImpl implements SncpTestIService {
                 try {
                     Thread.sleep(200);
                     System.out.println(Thread.currentThread().getName() + " sleep 200ms后运行了异步方法-----------queryResultAsync方法");
-                    future.complete("异步result: " + bean);
+                    future.complete("异步 result: " + bean);
                 } catch (Exception e) {
                     e.printStackTrace();
                 }