diff --git a/src/org/redkale/net/http/WebSocket.java b/src/org/redkale/net/http/WebSocket.java
index 620bf7432..cf7c15b06 100644
--- a/src/org/redkale/net/http/WebSocket.java
+++ b/src/org/redkale/net/http/WebSocket.java
@@ -83,7 +83,7 @@ public abstract class WebSocket {
 
     private Map<String, Object> attributes = new HashMap<>(); //非线程安全
 
-    protected final long websocketid = System.nanoTime(); //唯一ID
+    protected final long websocketid = Math.abs(System.nanoTime()); //唯一ID
 
     protected WebSocket() {
     }
@@ -96,11 +96,11 @@ public abstract class WebSocket {
      *
      * @return 0表示成功， 非0表示错误码
      */
-    public final int send(WebSocketPacket packet) {
-        int rs = RETCODE_WSOCKET_CLOSED;
+    public final CompletableFuture<Integer> send(WebSocketPacket packet) {
+        CompletableFuture<Integer> rs = null;
         if (this._runner != null) rs = this._runner.sendMessage(packet);
         if (_engine.finest) _engine.logger.finest("wsgroupid:" + getGroupid() + " send websocket result is " + rs + " on " + this + " by message(" + packet + ")");
-        return rs;
+        return rs == null ? CompletableFuture.completedFuture(RETCODE_WSOCKET_CLOSED) : rs;
     }
 
     /**
@@ -110,7 +110,7 @@ public abstract class WebSocket {
      *
      * @return 0表示成功， 非0表示错误码
      */
-    public final int send(String text) {
+    public final CompletableFuture<Integer> send(String text) {
         return send(text, true);
     }
 
@@ -122,20 +122,20 @@ public abstract class WebSocket {
      *
      * @return 0表示成功， 非0表示错误码
      */
-    public final int send(String text, boolean last) {
+    public final CompletableFuture<Integer> send(String text, boolean last) {
         return send(new WebSocketPacket(text, last));
     }
 
-    public final int sendPing() {
+    public final CompletableFuture<Integer> sendPing() {
         //if (_engine.finest) _engine.logger.finest(this + " on "+_engine.getEngineid()+" ping...");
         return send(WebSocketPacket.DEFAULT_PING_PACKET);
     }
 
-    public final int sendPing(byte[] data) {
+    public final CompletableFuture<Integer> sendPing(byte[] data) {
         return send(new WebSocketPacket(FrameType.PING, data));
     }
 
-    public final int sendPong(byte[] data) {
+    public final CompletableFuture<Integer> sendPong(byte[] data) {
         return send(new WebSocketPacket(FrameType.PONG, data));
     }
 
@@ -150,7 +150,7 @@ public abstract class WebSocket {
      *
      * @return 0表示成功， 非0表示错误码
      */
-    public final int send(byte[] data) {
+    public final CompletableFuture<Integer> send(byte[] data) {
         return send(data, true);
     }
 
@@ -162,7 +162,7 @@ public abstract class WebSocket {
      *
      * @return 0表示成功， 非0表示错误码
      */
-    public final int send(byte[] data, boolean last) {
+    public final CompletableFuture<Integer> send(byte[] data, boolean last) {
         return send(new WebSocketPacket(data, last));
     }
 
@@ -173,7 +173,7 @@ public abstract class WebSocket {
      *
      * @return 0表示成功， 非0表示错误码
      */
-    public final int send(Object message) {
+    public final CompletableFuture<Integer> send(Object message) {
         return send(message, true);
     }
 
@@ -185,7 +185,7 @@ public abstract class WebSocket {
      *
      * @return 0表示成功， 非0表示错误码
      */
-    public final int send(Object message, boolean last) {
+    public final CompletableFuture<Integer> send(Object message, boolean last) {
         if (message == null || message instanceof CharSequence || message instanceof byte[]) {
             return send(new WebSocketPacket((Serializable) message, last));
         } else {
@@ -527,6 +527,6 @@ public abstract class WebSocket {
 
     @Override
     public String toString() {
-        return "ws" + Objects.hashCode(this) + "@" + _remoteAddr;
+        return this.websocketid + "@" + _remoteAddr;
     }
 }
diff --git a/src/org/redkale/net/http/WebSocketGroup.java b/src/org/redkale/net/http/WebSocketGroup.java
index 8cb110076..23889dc51 100644
--- a/src/org/redkale/net/http/WebSocketGroup.java
+++ b/src/org/redkale/net/http/WebSocketGroup.java
@@ -7,7 +7,7 @@ package org.redkale.net.http;
 
 import java.io.*;
 import java.util.*;
-import java.util.concurrent.CopyOnWriteArrayList;
+import java.util.concurrent.*;
 import java.util.stream.Stream;
 
 /**
@@ -83,7 +83,7 @@ public final class WebSocketGroup {
         attributes.put(name, value);
     }
 
-    public final int send(boolean recent, Object message, boolean last) {
+    public final CompletableFuture<Integer> send(boolean recent, Object message, boolean last) {
         if (recent) {
             return recentWebSocket.send(message, last);
         } else {
@@ -91,46 +91,42 @@ public final class WebSocketGroup {
         }
     }
 
-    public final int sendEach(Object message) {
+    public final CompletableFuture<Integer> sendEach(Object message) {
         return sendEach(message, true);
     }
 
-    public final int sendEach(WebSocketPacket packet) {
-        int rs = 0;
+    public final CompletableFuture<Integer> sendEach(WebSocketPacket packet) {
+        CompletableFuture<Integer> future = null;
         for (WebSocket s : list) {
-            rs |= s.send(packet);
+            if (future == null) {
+                future = s.send(packet);
+            } else {
+                future.thenCombine(s.send(packet), (a, b) -> a | b);
+            }
         }
-        return rs;
+        return future == null ? CompletableFuture.completedFuture(0) : future;
     }
 
-    public final int sendEachPing() {
-        int rs = 0;
-        for (WebSocket s : list) {
-            rs |= s.sendPing();
-        }
-        return rs;
+    public final CompletableFuture<Integer> sendEachPing() {
+        return sendEach(WebSocketPacket.DEFAULT_PING_PACKET);
     }
 
-    public final int sendRecent(Object message) {
+    public final CompletableFuture<Integer> sendRecent(Object message) {
         return sendRecent(message, true);
     }
 
-    public final int sendRecent(WebSocketPacket packet) {
+    public final CompletableFuture<Integer> sendRecent(WebSocketPacket packet) {
         return recentWebSocket.send(packet);
     }
 
-    public final int sendEach(Object message, boolean last) {
+    public final CompletableFuture<Integer> sendEach(Object message, boolean last) {
         if (message != null && !(message instanceof byte[]) && !(message instanceof CharSequence)) {
             message = recentWebSocket._jsonConvert.convertTo(message);
         }
-        int rs = 0;
-        for (WebSocket s : list) {
-            rs |= s.send(message, last);
-        }
-        return rs;
+        return sendEach(new WebSocketPacket((Serializable) message, last));
     }
 
-    public final int sendRecent(Object message, boolean last) {
+    public final CompletableFuture<Integer> sendRecent(Object message, boolean last) {
         return recentWebSocket.send(message, last);
     }
 
diff --git a/src/org/redkale/net/http/WebSocketNode.java b/src/org/redkale/net/http/WebSocketNode.java
index 45d4161c0..c4fb1eb84 100644
--- a/src/org/redkale/net/http/WebSocketNode.java
+++ b/src/org/redkale/net/http/WebSocketNode.java
@@ -158,7 +158,7 @@ public abstract class WebSocketNode {
             if (finest) logger.finest("websocket want send message {groupid:" + groupid + ", content:'" + message + "'} from locale node to locale engine");
             int rscode = RETCODE_GROUP_EMPTY;
             WebSocketGroup group = this.localEngine == null ? null : this.localEngine.getWebSocketGroup(groupid);
-            if (group != null) rscode = group.send(recent, message, last);
+            if (group != null) rscode = group.send(recent, message, last).join();  //临时，　要改
             if (recent && rscode == 0) { //已经给最近连接发送的消息
                 if (finest) logger.finest("websocket want send recent message success");
                 return rscode;
diff --git a/src/org/redkale/net/http/WebSocketRunner.java b/src/org/redkale/net/http/WebSocketRunner.java
index e32cdf32e..a9ecfbd96 100644
--- a/src/org/redkale/net/http/WebSocketRunner.java
+++ b/src/org/redkale/net/http/WebSocketRunner.java
@@ -48,6 +48,8 @@ public class WebSocketRunner implements Runnable {
     private final BlockingQueue<byte[]> queue = new ArrayBlockingQueue(1024);
 
     private final boolean wsbinary;
+    
+    private long lastSendTime;
 
     public WebSocketRunner(Context context, WebSocket webSocket, AsyncConnection channel, final boolean wsbinary) {
         this.context = context;
@@ -158,19 +160,20 @@ public class WebSocketRunner implements Runnable {
         }
     }
 
-    public int sendMessage(WebSocketPacket packet) {
-        if (packet == null) return RETCODE_SEND_ILLPACKET;
-        if (closed) return RETCODE_WSOCKET_CLOSED;
+    public CompletableFuture<Integer> sendMessage(WebSocketPacket packet) {
+        if (packet == null) return CompletableFuture.completedFuture(RETCODE_SEND_ILLPACKET);
+        if (closed) return CompletableFuture.completedFuture(RETCODE_WSOCKET_CLOSED);
         final boolean debug = this.coder.debugable;
         //System.out.println("推送消息");
         final byte[] bytes = coder.encode(packet);
         if (debug) context.getLogger().log(Level.FINEST, "send web socket message's length = " + bytes.length);
+        this.lastSendTime = System.currentTimeMillis();
         if (writing.getAndSet(true)) {
             queue.add(bytes);
-            return 0;
+            return CompletableFuture.completedFuture(0);
         }
-        if (writeBuffer == null) return RETCODE_ILLEGALBUFFER;
-        ByteBuffer sendBuffer = null;
+        if (writeBuffer == null) return CompletableFuture.completedFuture(RETCODE_ILLEGALBUFFER);
+        ByteBuffer sendBuffer;
         if (bytes.length <= writeBuffer.capacity()) {
             writeBuffer.clear();
             writeBuffer.put(bytes);
@@ -222,12 +225,12 @@ public class WebSocketRunner implements Runnable {
                     }
                 }
             });
-            return 0;
+            return CompletableFuture.completedFuture(0);
         } catch (Exception t) {
             writing.set(false);
             closeRunner();
             context.getLogger().log(Level.FINE, "WebSocket sendMessage abort, force to close channel, live " + (System.currentTimeMillis() - webSocket.getCreatetime()) / 1000 + " seconds", t);
-            return RETCODE_SENDEXCEPTION;
+            return CompletableFuture.completedFuture(RETCODE_SENDEXCEPTION);
         }
     }
 
diff --git a/src/org/redkale/net/http/WebSocketServlet.java b/src/org/redkale/net/http/WebSocketServlet.java
index 08ee020e5..0cb721248 100644
--- a/src/org/redkale/net/http/WebSocketServlet.java
+++ b/src/org/redkale/net/http/WebSocketServlet.java
@@ -70,7 +70,7 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
             if (logger.isLoggable(Level.WARNING)) logger.warning("Not found WebSocketNode, create a default value for " + getClass().getName());
         }
         //存在WebSocketServlet，则此WebSocketNode必须是本地模式Service
-        this.node.localEngine = new WebSocketEngine(addr.getHostString() + ":" + addr.getPort() + "-[" + resourceName() + "]", this.node, logger);
+        this.node.localEngine = new WebSocketEngine("WebSocketEngine-" + addr.getHostString() + ":" + addr.getPort() + "-[" + resourceName() + "]", this.node, logger);
         this.node.init(conf);
         this.node.localEngine.init(conf);
     }
@@ -84,7 +84,7 @@ public abstract class WebSocketServlet extends HttpServlet implements Resourcabl
 
     @Override
     public String resourceName() {
-        return this.getClass().getSimpleName().replace("Servlet", "").replace("WebSocket", "").replace("_Dyn", "").toLowerCase();
+        return this.getClass().getSimpleName().replace("_Dyn", "").toLowerCase().replaceAll("websocket.*$", "").replaceAll("servlet.*$", "");
     }
 
     @Override
diff --git a/src/org/redkale/service/WebSocketNodeService.java b/src/org/redkale/service/WebSocketNodeService.java
index c98cf6c06..7e758a9a4 100644
--- a/src/org/redkale/service/WebSocketNodeService.java
+++ b/src/org/redkale/service/WebSocketNodeService.java
@@ -48,17 +48,13 @@ public class WebSocketNodeService extends WebSocketNode implements Service {
 
     @Override
     public CompletableFuture<Integer> sendMessage(@RpcTargetAddress InetSocketAddress addr, Serializable groupid, boolean recent, Object message, boolean last) {
-        return CompletableFuture.supplyAsync(() -> {
-            if (this.localEngine == null) return RETCODE_GROUP_EMPTY;
-            final WebSocketGroup group = this.localEngine.getWebSocketGroup(groupid);
-            if (group == null || group.isEmpty()) {
-                if (finest) logger.finest("receive websocket message {engineid:'" + this.localEngine.getEngineid() + "', groupid:" + groupid + ", content:'" + message + "'} from " + addr + " but send result is " + RETCODE_GROUP_EMPTY);
-                return RETCODE_GROUP_EMPTY;
-            }
-            int code = group.send(recent, message, last);
-            if (finest) logger.finest("websocket node send message (" + message + ") from " + addr + " result is " + code);
-            return code;
-        });
+        if (this.localEngine == null) return CompletableFuture.completedFuture(RETCODE_GROUP_EMPTY);
+        final WebSocketGroup group = this.localEngine.getWebSocketGroup(groupid);
+        if (group == null || group.isEmpty()) {
+            if (finest) logger.finest("receive websocket message {engineid:'" + this.localEngine.getEngineid() + "', groupid:" + groupid + ", content:'" + message + "'} from " + addr + " but send result is " + RETCODE_GROUP_EMPTY);
+            return CompletableFuture.completedFuture(RETCODE_GROUP_EMPTY);
+        }
+        return group.send(recent, message, last);
     }
 
     /**