diff --git a/src/org/redkale/net/sncp/SncpRequest.java b/src/org/redkale/net/sncp/SncpRequest.java
index e8b65faa9..35b26a63e 100644
--- a/src/org/redkale/net/sncp/SncpRequest.java
+++ b/src/org/redkale/net/sncp/SncpRequest.java
@@ -19,7 +19,7 @@ import org.redkale.util.*;
  *
  * @author zhangjx
  */
-public final class SncpRequest extends Request<SncpContext> {
+public class SncpRequest extends Request<SncpContext> {
 
     public static final int HEADER_SIZE = 60;
 
diff --git a/src/org/redkale/net/sncp/SncpResponse.java b/src/org/redkale/net/sncp/SncpResponse.java
index f43f45959..f02b5409a 100644
--- a/src/org/redkale/net/sncp/SncpResponse.java
+++ b/src/org/redkale/net/sncp/SncpResponse.java
@@ -19,7 +19,7 @@ import org.redkale.util.*;
  *
  * @author zhangjx
  */
-public final class SncpResponse extends Response<SncpContext, SncpRequest> {
+public class SncpResponse extends Response<SncpContext, SncpRequest> {
 
     public static final int RETCODE_ILLSERVICEID = (1 << 1); //无效serviceid
 
@@ -70,7 +70,7 @@ public final class SncpResponse extends Response<SncpContext, SncpRequest> {
         finish(buffers);
     }
 
-    private void fillHeader(ByteBuffer buffer, int bodyLength, int retcode) {
+    protected void fillHeader(ByteBuffer buffer, int bodyLength, int retcode) {
         //---------------------head----------------------------------
         final int currentpos = buffer.position();
         buffer.position(0);