diff --git a/src/main/java/META-INF/application-template.xml b/src/main/java/META-INF/application-template.xml
index 97b528d6f..246f48c9d 100644
--- a/src/main/java/META-INF/application-template.xml
+++ b/src/main/java/META-INF/application-template.xml
@@ -146,8 +146,8 @@
         bufferPoolSize：     ByteBuffer池的大小，默认: 线程数*4
         responsePoolSize：   Response池的大小，默认: 1024
         aliveTimeoutSeconds: KeepAlive读操作超时秒数， 默认30， 0表示永久不超时; -1表示禁止KeepAlive
-        readTimeoutSeconds:  读操作超时秒数， 默认0， 表示永久不超时
-        writeTimeoutSeconds: 写操作超时秒数， 默认0， 表示永久不超时
+        readTimeoutSeconds:  读操作超时秒数， 默认0， 0表示永久不超时
+        writeTimeoutSeconds: 写操作超时秒数， 默认0， 0表示永久不超时
         interceptor:         启动/关闭NodeServer时被调用的拦截器实现类，必须是org.redkale.boot.NodeInterceptor的子类，默认为null
     -->
     <server protocol="HTTP" host="127.0.0.1" port="6060" root="root" lib=""> 
diff --git a/src/main/java/org/redkale/boot/Application.java b/src/main/java/org/redkale/boot/Application.java
index 7639b1a7e..89e14b836 100644
--- a/src/main/java/org/redkale/boot/Application.java
+++ b/src/main/java/org/redkale/boot/Application.java
@@ -444,8 +444,6 @@ public final class Application {
         MessageAgent[] mqs = null;
         int bufferCapacity = 32 * 1024;
         int bufferPoolSize = Utility.cpus() * 8;
-        int readTimeoutSeconds = 6;
-        int writeTimeoutSeconds = 6;
         AnyValue executorConf = null;
         executorConf = config.getAnyValue("executor");
         AnyValue excludelibConf = config.getAnyValue("excludelibs");
@@ -1342,7 +1340,7 @@ public final class Application {
                 try {
                     DatagramChannel channel = DatagramChannel.open();
                     channel.configureBlocking(true);
-                    channel.socket().setSoTimeout(3000);
+                    channel.socket().setSoTimeout(6000); //单位:毫秒
                     channel.bind(new InetSocketAddress("127.0.0.1", config.getIntValue("port")));
                     if (!singletonMode) {
                         signalShutdownHandle();
@@ -1471,7 +1469,7 @@ public final class Application {
     private static void sendCommand(Logger logger, int port, String cmd, String[] params) throws Exception {
         final DatagramChannel channel = DatagramChannel.open();
         channel.configureBlocking(true);
-        channel.socket().setSoTimeout(3000);
+        channel.socket().setSoTimeout(6000); //单位:毫秒
         SocketAddress dest = new InetSocketAddress("127.0.0.1", port);
         channel.connect(dest);
         //命令和参数合成一个数组
diff --git a/src/main/java/org/redkale/net/AsyncIOGroup.java b/src/main/java/org/redkale/net/AsyncIOGroup.java
index daa08dfc0..acf11eff6 100644
--- a/src/main/java/org/redkale/net/AsyncIOGroup.java
+++ b/src/main/java/org/redkale/net/AsyncIOGroup.java
@@ -192,10 +192,6 @@ public class AsyncIOGroup extends AsyncGroup {
         return ioWriteThreads[i];
     }
 
-    public AsyncIOThread connectThread() {
-        return connectThread;
-    }
-
     @Override
     public ScheduledFuture scheduleTimeout(Runnable callable, long delay, TimeUnit unit) {
         return timeoutExecutor.schedule(callable, delay, unit);
diff --git a/src/main/java/org/redkale/net/Server.java b/src/main/java/org/redkale/net/Server.java
index 0ec190aa6..67999a8d5 100644
--- a/src/main/java/org/redkale/net/Server.java
+++ b/src/main/java/org/redkale/net/Server.java
@@ -463,6 +463,14 @@ public abstract class Server<K extends Serializable, C extends Context, R extend
         this.serverClassLoader = serverClassLoader;
     }
 
+    //必须在Server.start执行后才能调用此方法
+    public AsyncGroup getAsyncGroup() {
+        if (this.serverChannel == null) {
+            throw new RedkaleException("Server is not running");
+        }
+        return this.serverChannel.getAsyncGroup();
+    }
+
     /**
      * 判断是否存在Filter
      *
diff --git a/src/main/java/org/redkale/net/http/HttpDispatcherServlet.java b/src/main/java/org/redkale/net/http/HttpDispatcherServlet.java
index fcd145983..f6b45cf4a 100644
--- a/src/main/java/org/redkale/net/http/HttpDispatcherServlet.java
+++ b/src/main/java/org/redkale/net/http/HttpDispatcherServlet.java
@@ -38,7 +38,7 @@ public class HttpDispatcherServlet extends DispatcherServlet<String, HttpContext
 
     protected MappingEntry[] regxWsArray = null;
 
-    protected Map<String, WebSocketServlet> wsmappings = new HashMap<>(); //super.mappings 包含 wsmappings
+    protected Map<String, WebSocketServlet> wsMappings = new HashMap<>(); //super.mappings 包含 wsMappings
 
     protected final Map<String, Class> allMapStrings = new HashMap<>();
 
@@ -82,17 +82,17 @@ public class HttpDispatcherServlet extends DispatcherServlet<String, HttpContext
                     }
                 }
             }
-            Map<String, WebSocketServlet> newwsmappings = new HashMap<>();
-            for (Map.Entry<String, WebSocketServlet> en : wsmappings.entrySet()) {
+            Map<String, WebSocketServlet> newWsMappings = new HashMap<>();
+            for (Map.Entry<String, WebSocketServlet> en : wsMappings.entrySet()) {
                 if (predicateFilter.test(en)) {
                     servlets.add(en.getValue());
                     keys.add(en.getKey());
                 } else {
-                    newwsmappings.put(en.getKey(), en.getValue());
+                    newWsMappings.put(en.getKey(), en.getValue());
                 }
             }
-            if (newwsmappings.size() != wsmappings.size()) {
-                this.wsmappings = newwsmappings;
+            if (newWsMappings.size() != wsMappings.size()) {
+                this.wsMappings = newWsMappings;
             }
             if (!keys.isEmpty()) {
                 this.regxArray = Utility.remove(this.regxArray, predicateEntry);
@@ -320,7 +320,7 @@ public class HttpDispatcherServlet extends DispatcherServlet<String, HttpContext
                 return;
             }
             if (request.isWebSocket()) {
-                servlet = wsmappings.get(uri);
+                servlet = wsMappings.get(uri);
                 if (servlet == null && this.regxWsArray != null) {
                     for (MappingEntry en : regxWsArray) {
                         if (en.predicate.test(uri)) {
@@ -451,9 +451,9 @@ public class HttpDispatcherServlet extends DispatcherServlet<String, HttpContext
                         putMapping(mappingPath, servlet);
                     }
                     if (servlet instanceof WebSocketServlet) {
-                        Map<String, WebSocketServlet> newMappings = new HashMap<>(wsmappings);
+                        Map<String, WebSocketServlet> newMappings = new HashMap<>(wsMappings);
                         newMappings.put(mappingPath, (WebSocketServlet) servlet);
-                        this.wsmappings = newMappings;
+                        this.wsMappings = newMappings;
                     }
                 }
                 if (this.allMapStrings.containsKey(mappingPath)) {
@@ -545,7 +545,7 @@ public class HttpDispatcherServlet extends DispatcherServlet<String, HttpContext
             s.postDestroy(application, context, getServletConf(s));
         });
         this.allMapStrings.clear();
-        this.wsmappings.clear();
+        this.wsMappings.clear();
         this.regxArray = null;
         this.regxWsArray = null;
     }
diff --git a/src/main/java/org/redkale/net/sncp/SncpClient.java b/src/main/java/org/redkale/net/sncp/SncpClient.java
index b39e7b0e2..d44c77bbe 100644
--- a/src/main/java/org/redkale/net/sncp/SncpClient.java
+++ b/src/main/java/org/redkale/net/sncp/SncpClient.java
@@ -28,8 +28,8 @@ public class SncpClient extends Client<SncpClientConnection, SncpClientRequest,
     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
         this.clientSncpAddress = clientSncpAddress;
-        this.readTimeoutSeconds = 12;
-        this.writeTimeoutSeconds = 12;
+        this.readTimeoutSeconds = 15;
+        this.writeTimeoutSeconds = 15;
     }
 
     @Override
diff --git a/src/main/java/org/redkale/util/Utility.java b/src/main/java/org/redkale/util/Utility.java
index a14c15043..6de6392cd 100644
--- a/src/main/java/org/redkale/util/Utility.java
+++ b/src/main/java/org/redkale/util/Utility.java
@@ -4554,8 +4554,8 @@ public final class Utility {
 //        HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
 //        boolean opening = true;
 //        try {
-//            conn.setConnectTimeout(timeoutMs > 0 ? timeoutMs : 3000);
-//            conn.setReadTimeout(timeoutMs > 0 ? timeoutMs : 3000);
+//            conn.setConnectTimeout(timeoutMs > 0 ? timeoutMs : 30000);
+//            conn.setReadTimeout(timeoutMs > 0 ? timeoutMs : 30000);
 //            if (conn instanceof HttpsURLConnection) {
 //                HttpsURLConnection httpsconn = ((HttpsURLConnection) conn);
 //                httpsconn.setSSLSocketFactory((ctx == null ? DEFAULTSSL_CONTEXT : ctx).getSocketFactory());