diff --git a/src/main/java/org/redkale/convert/ConvertFactory.java b/src/main/java/org/redkale/convert/ConvertFactory.java
index 1a94a1b53..47c4c3618 100644
--- a/src/main/java/org/redkale/convert/ConvertFactory.java
+++ b/src/main/java/org/redkale/convert/ConvertFactory.java
@@ -116,7 +116,7 @@ public abstract class ConvertFactory<R extends Reader, W extends Writer> {
             this.register(BigDecimal.class, BigDecimalSimpledCoder.instance);
             this.register(InetAddress.class, InetAddressSimpledCoder.instance);
             this.register(LongAdder.class, LongAdderSimpledCoder.instance);
-            this.register(DLong.class, DLongSimpledCoder.instance);
+            this.register(Uint128.class, Uint128SimpledCoder.instance);
             this.register(Class.class, TypeSimpledCoder.instance);
             this.register(InetSocketAddress.class, InetAddressSimpledCoder.InetSocketAddressSimpledCoder.instance);
             this.register(Pattern.class, PatternSimpledCoder.instance);
diff --git a/src/main/java/org/redkale/convert/ext/DLongSimpledCoder.java b/src/main/java/org/redkale/convert/ext/Uint128SimpledCoder.java
similarity index 62%
rename from src/main/java/org/redkale/convert/ext/DLongSimpledCoder.java
rename to src/main/java/org/redkale/convert/ext/Uint128SimpledCoder.java
index cd344307f..28169923b 100644
--- a/src/main/java/org/redkale/convert/ext/DLongSimpledCoder.java
+++ b/src/main/java/org/redkale/convert/ext/Uint128SimpledCoder.java
@@ -19,15 +19,15 @@ import org.redkale.util.*;
  * @param <R> Reader输入的子类型
  * @param <W> Writer输出的子类型
  */
-public final class DLongSimpledCoder<R extends Reader, W extends Writer> extends SimpledCoder<R, W, DLong> {
+public final class Uint128SimpledCoder<R extends Reader, W extends Writer> extends SimpledCoder<R, W, Uint128> {
 
     private static final ByteArraySimpledCoder bsSimpledCoder = ByteArraySimpledCoder.instance;
 
-    public static final DLongSimpledCoder instance = new DLongSimpledCoder();
+    public static final Uint128SimpledCoder instance = new Uint128SimpledCoder();
 
     @Override
     @SuppressWarnings("unchecked")
-    public void convertTo(final W out, final DLong value) {
+    public void convertTo(final W out, final Uint128 value) {
         if (value == null) {
             out.writeNull();
         } else {
@@ -37,26 +37,26 @@ public final class DLongSimpledCoder<R extends Reader, W extends Writer> extends
 
     @Override
     @SuppressWarnings("unchecked")
-    public DLong convertFrom(R in) {
+    public Uint128 convertFrom(R in) {
         byte[] bs = bsSimpledCoder.convertFrom(in);
         if (bs == null) {
             return null;
         }
-        return DLong.create(bs);
+        return Uint128.create(bs);
     }
 
     /**
-     * DLong 的JsonSimpledCoder实现
+     * Uint128 的JsonSimpledCoder实现
      *
      * @param <R> Reader输入的子类型
      * @param <W> Writer输出的子类型
      */
-    public static class DLongJsonSimpledCoder<R extends JsonReader, W extends JsonWriter> extends SimpledCoder<R, W, DLong> {
+    public static class Uint128JsonSimpledCoder<R extends JsonReader, W extends JsonWriter> extends SimpledCoder<R, W, Uint128> {
 
-        public static final DLongJsonSimpledCoder instance = new DLongJsonSimpledCoder();
+        public static final Uint128JsonSimpledCoder instance = new Uint128JsonSimpledCoder();
 
         @Override
-        public void convertTo(final W out, final DLong value) {
+        public void convertTo(final W out, final Uint128 value) {
             if (value == null) {
                 out.writeNull();
             } else {
@@ -65,12 +65,12 @@ public final class DLongSimpledCoder<R extends Reader, W extends Writer> extends
         }
 
         @Override
-        public DLong convertFrom(R in) {
+        public Uint128 convertFrom(R in) {
             final String str = in.readSmallString();
             if (str == null) {
                 return null;
             }
-            return DLong.create(Utility.hexToBin(str));
+            return Uint128.create(Utility.hexToBin(str));
         }
     }
 }
diff --git a/src/main/java/org/redkale/convert/json/JsonFactory.java b/src/main/java/org/redkale/convert/json/JsonFactory.java
index 1e05c70f1..f86214712 100644
--- a/src/main/java/org/redkale/convert/json/JsonFactory.java
+++ b/src/main/java/org/redkale/convert/json/JsonFactory.java
@@ -11,7 +11,7 @@ import java.math.*;
 import java.net.*;
 import org.redkale.convert.*;
 import org.redkale.convert.ext.*;
-import org.redkale.util.DLong;
+import org.redkale.util.Uint128;
 
 /**
  * JSON的ConvertFactory
@@ -38,7 +38,7 @@ public final class JsonFactory extends ConvertFactory<JsonReader, JsonWriter> {
         if (parent == null) {
             this.register(InetAddress.class, InetAddressSimpledCoder.InetAddressJsonSimpledCoder.instance);
             this.register(InetSocketAddress.class, InetAddressSimpledCoder.InetSocketAddressJsonSimpledCoder.instance);
-            this.register(DLong.class, DLongSimpledCoder.DLongJsonSimpledCoder.instance);
+            this.register(Uint128.class, Uint128SimpledCoder.Uint128JsonSimpledCoder.instance);
             this.register(BigInteger.class, BigIntegerSimpledCoder.BigIntegerJsonSimpledCoder.instance);
             this.register(BigDecimal.class, BigDecimalSimpledCoder.BigDecimalJsonSimpledCoder.instance);
             this.register(java.time.Instant.class, InstantSimpledCoder.InstantJsonSimpledCoder.instance);
diff --git a/src/main/java/org/redkale/net/sncp/Sncp.java b/src/main/java/org/redkale/net/sncp/Sncp.java
index 0163eda0a..77aebe331 100644
--- a/src/main/java/org/redkale/net/sncp/Sncp.java
+++ b/src/main/java/org/redkale/net/sncp/Sncp.java
@@ -57,9 +57,9 @@ public abstract class Sncp {
     private Sncp() {
     }
 
-    public static DLong hash(final java.lang.reflect.Method method) {
+    public static Uint128 hash(final java.lang.reflect.Method method) {
         if (method == null) {
-            return DLong.ZERO;
+            return Uint128.ZERO;
         }
         StringBuilder sb = new StringBuilder(); //不能使用method.toString() 因为包含declaringClass信息导致接口与实现类的方法hash不一致
         sb.append(method.getReturnType().getName()).append(' ');
@@ -84,15 +84,15 @@ public abstract class Sncp {
      *
      * @return hash值
      */
-    public static DLong hash(final String name) {
+    public static Uint128 hash(final String name) {
         if (name == null || name.isEmpty()) {
-            return DLong.ZERO;
+            return Uint128.ZERO;
         }
         byte[] bytes = name.trim().getBytes();
         synchronized (md5) {
             bytes = md5.digest(bytes);
         }
-        return DLong.create(bytes);
+        return Uint128.create(bytes);
     }
 
     public static boolean isRemote(Service service) {
diff --git a/src/main/java/org/redkale/net/sncp/SncpClient.java b/src/main/java/org/redkale/net/sncp/SncpClient.java
index 6fbc33502..4b3263fe7 100644
--- a/src/main/java/org/redkale/net/sncp/SncpClient.java
+++ b/src/main/java/org/redkale/net/sncp/SncpClient.java
@@ -49,7 +49,7 @@ public final class SncpClient {
 
     private final int addrPort;
 
-    protected final DLong serviceid;
+    protected final Uint128 serviceid;
 
     protected final int serviceVersion;
 
@@ -116,7 +116,7 @@ public final class SncpClient {
         return clientSncpAddress;
     }
 
-    public DLong getServiceid() {
+    public Uint128 getServiceid() {
         return serviceid;
     }
 
@@ -174,7 +174,7 @@ public final class SncpClient {
     public static List<Method> parseMethod(final Class serviceClass) {
         final List<Method> list = new ArrayList<>();
         final List<Method> multis = new ArrayList<>();
-        final Map<DLong, Method> actionids = new HashMap<>();
+        final Map<Uint128, Method> actionids = new HashMap<>();
         for (final java.lang.reflect.Method method : serviceClass.getMethods()) {
             if (method.isSynthetic()) {
                 continue;
@@ -204,7 +204,7 @@ public final class SncpClient {
             }
             //if (onlySncpDyn && method.getAnnotation(SncpDyn.class) == null) continue;
 
-            DLong actionid = Sncp.hash(method);
+            Uint128 actionid = Sncp.hash(method);
             Method old = actionids.get(actionid);
             if (old != null) {
                 if (old.getDeclaringClass().equals(method.getDeclaringClass())) {
@@ -314,7 +314,7 @@ public final class SncpClient {
         }
         final int reqBodyLength = writer.count() - HEADER_SIZE; //body总长度
         final long seqid = System.nanoTime();
-        final DLong actionid = action.actionid;
+        final Uint128 actionid = action.actionid;
         if (messageAgent != null) { //MQ模式
             final ByteArray reqbytes = writer.toByteArray();
             fillHeader(reqbytes, seqid, actionid, traceid, reqBodyLength);
@@ -499,7 +499,7 @@ public final class SncpClient {
         if (buffer.getChar() != HEADER_SIZE) {
             throw new RuntimeException("sncp(" + action.method + ") buffer receive header.length not " + HEADER_SIZE);
         }
-        DLong rserviceid = DLong.read(buffer);
+        Uint128 rserviceid = Uint128.read(buffer);
         if (!rserviceid.equals(this.serviceid)) {
             throw new RuntimeException("sncp(" + action.method + ") response.serviceid = " + serviceid + ", but request.serviceid =" + rserviceid);
         }
@@ -507,8 +507,8 @@ public final class SncpClient {
         if (version != this.serviceVersion) {
             throw new RuntimeException("sncp(" + action.method + ") response.serviceVersion = " + serviceVersion + ", but request.serviceVersion =" + version);
         }
-        DLong raction = DLong.read(buffer);
-        DLong actid = action.actionid;
+        Uint128 raction = Uint128.read(buffer);
+        Uint128 actid = action.actionid;
         if (!actid.equals(raction)) {
             throw new RuntimeException("sncp(" + action.method + ") response.actionid = " + action.actionid + ", but request.actionid =(" + raction + ")");
         }
@@ -516,14 +516,14 @@ public final class SncpClient {
         buffer.getChar(); //端口
     }
 
-    private void fillHeader(ByteArray buffer, long seqid, DLong actionid, String traceid, int bodyLength) {
+    private void fillHeader(ByteArray buffer, long seqid, Uint128 actionid, String traceid, int bodyLength) {
         fillRespHeader(buffer, seqid, this.serviceid, this.serviceVersion,
             actionid, traceid, this.addrBytes, this.addrPort, bodyLength, 0); //结果码， 请求方固定传0  
     }
 
     protected static final class SncpAction {
 
-        protected final DLong actionid;
+        protected final Uint128 actionid;
 
         protected final Method method;
 
@@ -550,7 +550,7 @@ public final class SncpClient {
         protected final Creator<? extends CompletableFuture> futureCreator;
 
         @SuppressWarnings("unchecked")
-        public SncpAction(final Class clazz, Method method, DLong actionid) {
+        public SncpAction(final Class clazz, Method method, Uint128 actionid) {
             this.actionid = actionid == null ? Sncp.hash(method) : actionid;
             Type rt = TypeToken.getGenericType(method.getGenericReturnType(), clazz);
             this.resultTypes = rt == void.class ? null : rt;
diff --git a/src/main/java/org/redkale/net/sncp/SncpDispatcherServlet.java b/src/main/java/org/redkale/net/sncp/SncpDispatcherServlet.java
index 1925fcbb5..b22c306bb 100644
--- a/src/main/java/org/redkale/net/sncp/SncpDispatcherServlet.java
+++ b/src/main/java/org/redkale/net/sncp/SncpDispatcherServlet.java
@@ -17,12 +17,12 @@ import org.redkale.util.*;
  *
  * @author zhangjx
  */
-public class SncpDispatcherServlet extends DispatcherServlet<DLong, SncpContext, SncpRequest, SncpResponse, SncpServlet> {
+public class SncpDispatcherServlet extends DispatcherServlet<Uint128, SncpContext, SncpRequest, SncpResponse, SncpServlet> {
 
     private final Object sncplock = new Object();
 
     @Override
-    public void addServlet(SncpServlet servlet, Object attachment, AnyValue conf, DLong... mappings) {
+    public void addServlet(SncpServlet servlet, Object attachment, AnyValue conf, Uint128... mappings) {
         synchronized (sncplock) {
             for (SncpServlet s : getServlets()) {
                 if (s.service == servlet.service) {
diff --git a/src/main/java/org/redkale/net/sncp/SncpDynServlet.java b/src/main/java/org/redkale/net/sncp/SncpDynServlet.java
index 9f65968ab..bff6e056b 100644
--- a/src/main/java/org/redkale/net/sncp/SncpDynServlet.java
+++ b/src/main/java/org/redkale/net/sncp/SncpDynServlet.java
@@ -39,9 +39,9 @@ public final class SncpDynServlet extends SncpServlet {
 
     private static final Logger logger = Logger.getLogger(SncpDynServlet.class.getSimpleName());
 
-    private final DLong serviceid;
+    private final Uint128 serviceid;
 
-    private final HashMap<DLong, SncpServletAction> actions = new HashMap<>();
+    private final HashMap<Uint128, SncpServletAction> actions = new HashMap<>();
 
     public SncpDynServlet(final BsonConvert convert, final String serviceName, final Class serviceOrSourceType, final Service service,
         final AtomicInteger maxTypeLength, AtomicInteger maxNameLength) {
@@ -49,7 +49,7 @@ public final class SncpDynServlet extends SncpServlet {
         this.maxTypeLength = maxTypeLength;
         this.maxNameLength = maxNameLength;
         this.serviceid = Sncp.hash(type.getName() + ':' + serviceName);
-        Set<DLong> actionids = new HashSet<>();
+        Set<Uint128> actionids = new HashSet<>();
         RedkaleClassLoader.putReflectionPublicMethods(service.getClass().getName());
         for (java.lang.reflect.Method method : service.getClass().getMethods()) {
             if (method.isSynthetic()) {
@@ -79,7 +79,7 @@ public final class SncpDynServlet extends SncpServlet {
                 }
             }
 
-            final DLong actionid = Sncp.hash(method);
+            final Uint128 actionid = Sncp.hash(method);
             SncpServletAction action;
             try {
                 action = SncpServletAction.create(service, actionid, method);
@@ -114,7 +114,7 @@ public final class SncpDynServlet extends SncpServlet {
     }
 
     @Override
-    public DLong getServiceid() {
+    public Uint128 getServiceid() {
         return serviceid;
     }
 
@@ -326,7 +326,7 @@ public final class SncpDynServlet extends SncpServlet {
          * @return SncpServletAction
          */
         @SuppressWarnings("unchecked")
-        public static SncpServletAction create(final Service service, final DLong actionid, final Method method) {
+        public static SncpServletAction create(final Service service, final Uint128 actionid, final Method method) {
             final Class serviceClass = service.getClass();
             final String supDynName = SncpServletAction.class.getName().replace('.', '/');
             final String serviceName = serviceClass.getName().replace('.', '/');
diff --git a/src/main/java/org/redkale/net/sncp/SncpRequest.java b/src/main/java/org/redkale/net/sncp/SncpRequest.java
index b6fa6ad47..746bb1db4 100644
--- a/src/main/java/org/redkale/net/sncp/SncpRequest.java
+++ b/src/main/java/org/redkale/net/sncp/SncpRequest.java
@@ -10,7 +10,7 @@ import java.nio.ByteBuffer;
 import java.util.logging.*;
 import org.redkale.convert.bson.BsonConvert;
 import org.redkale.net.Request;
-import org.redkale.util.DLong;
+import org.redkale.util.Uint128;
 
 /**
  *
@@ -41,9 +41,9 @@ public class SncpRequest extends Request<SncpContext> {
 
     private int serviceVersion;
 
-    private DLong serviceid;
+    private Uint128 serviceid;
 
-    private DLong actionid;
+    private Uint128 actionid;
 
     private int bodyLength;
 
@@ -82,9 +82,9 @@ public class SncpRequest extends Request<SncpContext> {
                 }
                 return -1;
             }
-            this.serviceid = DLong.read(buffer); //16
+            this.serviceid = Uint128.read(buffer); //16
             this.serviceVersion = buffer.getInt(); //4
-            this.actionid = DLong.read(buffer); //16
+            this.actionid = Uint128.read(buffer); //16
             buffer.get(addrBytes); //ipaddr   //6
             this.bodyLength = buffer.getInt(); //4
 
@@ -159,11 +159,11 @@ public class SncpRequest extends Request<SncpContext> {
         return serviceVersion;
     }
 
-    public DLong getServiceid() {
+    public Uint128 getServiceid() {
         return serviceid;
     }
 
-    public DLong getActionid() {
+    public Uint128 getActionid() {
         return actionid;
     }
 
diff --git a/src/main/java/org/redkale/net/sncp/SncpResponse.java b/src/main/java/org/redkale/net/sncp/SncpResponse.java
index f92285361..5c50126e8 100644
--- a/src/main/java/org/redkale/net/sncp/SncpResponse.java
+++ b/src/main/java/org/redkale/net/sncp/SncpResponse.java
@@ -90,19 +90,19 @@ public class SncpResponse extends Response<SncpContext, SncpRequest> {
             request.getActionid(), request.getTraceid(), this.addrBytes, this.addrPort, bodyLength, retcode);
     }
 
-    protected static void fillRespHeader(ByteArray buffer, long seqid, DLong serviceid, int serviceVersion,
-        DLong actionid, String traceid, byte[] addrBytes, int addrPort, int bodyLength, int retcode) {
+    protected static void fillRespHeader(ByteArray buffer, long seqid, Uint128 serviceid, int serviceVersion,
+        Uint128 actionid, String traceid, byte[] addrBytes, int addrPort, int bodyLength, int retcode) {
         //---------------------head----------------------------------
         int offset = 0;
         buffer.putLong(offset, seqid);
         offset += 8;
         buffer.putChar(offset, (char) SncpRequest.HEADER_SIZE);
         offset += 2;
-        DLong.write(buffer, offset, serviceid);
+        Uint128.write(buffer, offset, serviceid);
         offset += 16;
         buffer.putInt(offset, serviceVersion);
         offset += 4;
-        DLong.write(buffer, offset, actionid);
+        Uint128.write(buffer, offset, actionid);
         offset += 16;
         buffer.put(offset, addrBytes);
         offset += addrBytes.length; //4
diff --git a/src/main/java/org/redkale/net/sncp/SncpServer.java b/src/main/java/org/redkale/net/sncp/SncpServer.java
index cabf900c7..a48365d7c 100644
--- a/src/main/java/org/redkale/net/sncp/SncpServer.java
+++ b/src/main/java/org/redkale/net/sncp/SncpServer.java
@@ -24,7 +24,7 @@ import org.redkale.util.*;
  * @author zhangjx
  */
 @SuppressWarnings("unchecked")
-public class SncpServer extends Server<DLong, SncpContext, SncpRequest, SncpResponse, SncpServlet> {
+public class SncpServer extends Server<Uint128, SncpContext, SncpRequest, SncpResponse, SncpServlet> {
 
     private final AtomicInteger maxTypeLength = new AtomicInteger();
 
diff --git a/src/main/java/org/redkale/net/sncp/SncpServlet.java b/src/main/java/org/redkale/net/sncp/SncpServlet.java
index 41e9c2283..18b8b22b4 100644
--- a/src/main/java/org/redkale/net/sncp/SncpServlet.java
+++ b/src/main/java/org/redkale/net/sncp/SncpServlet.java
@@ -44,7 +44,7 @@ public abstract class SncpServlet extends Servlet<SncpContext, SncpRequest, Sncp
         return type;
     }
 
-    public abstract DLong getServiceid();
+    public abstract Uint128 getServiceid();
 
     protected ExecutorService getExecutor() {
         Thread thread = Thread.currentThread();
diff --git a/src/main/java/org/redkale/util/DLong.java b/src/main/java/org/redkale/util/Uint128.java
similarity index 75%
rename from src/main/java/org/redkale/util/DLong.java
rename to src/main/java/org/redkale/util/Uint128.java
index ed716fb81..9274d500d 100644
--- a/src/main/java/org/redkale/util/DLong.java
+++ b/src/main/java/org/redkale/util/Uint128.java
@@ -10,26 +10,26 @@ import java.util.Arrays;
 
 /**
  * 16bytes数据结构
- * 注意： 为了提高性能， DLong中的bytes是直接返回， 不得对bytes的内容进行修改。
+ * 注意： 为了提高性能， Uint128中的bytes是直接返回， 不得对bytes的内容进行修改。
  *
  * <p>
  * 详情见: https://redkale.org
  *
  * @author zhangjx
  */
-public final class DLong extends Number implements Comparable<DLong> {
+public final class Uint128 extends Number implements Comparable<Uint128> {
 
-    public static final DLong ZERO = new DLong(new byte[16]);
+    public static final Uint128 ZERO = new Uint128(new byte[16]);
 
     protected final byte[] value;
 
-    protected DLong(long v1, long v2) {  //暂时不用
+    protected Uint128(long v1, long v2) {  //暂时不用
         this.value = new byte[]{(byte) (v1 >> 56), (byte) (v1 >> 48), (byte) (v1 >> 40), (byte) (v1 >> 32),
             (byte) (v1 >> 24), (byte) (v1 >> 16), (byte) (v1 >> 8), (byte) v1, (byte) (v2 >> 56), (byte) (v2 >> 48), (byte) (v2 >> 40), (byte) (v2 >> 32),
             (byte) (v2 >> 24), (byte) (v2 >> 16), (byte) (v2 >> 8), (byte) v2};
     }
 
-    protected DLong(byte[] bytes) {
+    protected Uint128(byte[] bytes) {
         if (bytes == null || bytes.length != 16) {
             throw new NumberFormatException("Not 16 length bytes");
         }
@@ -44,27 +44,27 @@ public final class DLong extends Number implements Comparable<DLong> {
         return value;
     }
 
-    public static DLong create(byte[] bytes) {
-        return new DLong(bytes);
+    public static Uint128 create(byte[] bytes) {
+        return new Uint128(bytes);
     }
 
-    public static DLong read(ByteBuffer buffer) {
+    public static Uint128 read(ByteBuffer buffer) {
         byte[] bs = new byte[16];
         buffer.get(bs);
-        return new DLong(bs);
+        return new Uint128(bs);
     }
 
-    public static ByteBuffer write(ByteBuffer buffer, DLong dlong) {
+    public static ByteBuffer write(ByteBuffer buffer, Uint128 dlong) {
         buffer.put(dlong.value);
         return buffer;
     }
 
-    public static ByteArray write(ByteArray array, DLong dlong) {
+    public static ByteArray write(ByteArray array, Uint128 dlong) {
         array.put(dlong.value);
         return array;
     }
 
-    public static ByteArray write(ByteArray array, int offset, DLong dlong) {
+    public static ByteArray write(ByteArray array, int offset, Uint128 dlong) {
         array.put(offset, dlong.value);
         return array;
     }
@@ -81,7 +81,7 @@ public final class DLong extends Number implements Comparable<DLong> {
         if (getClass() != obj.getClass()) {
             return false;
         }
-        final DLong other = (DLong) obj;
+        final Uint128 other = (Uint128) obj;
         return Arrays.equals(this.value, other.value);
     }
 
@@ -126,7 +126,7 @@ public final class DLong extends Number implements Comparable<DLong> {
     }
 
     @Override
-    public int compareTo(DLong o) {
+    public int compareTo(Uint128 o) {
         if (o == null) {
             return 1;
         }