diff --git a/wu-lazy-cloud-heartbeat-client/src/main/java/wu/framework/lazy/cloud/heartbeat/client/netty/handler/HeartBeatClientHandler.java b/wu-lazy-cloud-heartbeat-client/src/main/java/wu/framework/lazy/cloud/heartbeat/client/netty/handler/HeartBeatClientHandler.java
index 74e3a156..72f89527 100644
--- a/wu-lazy-cloud-heartbeat-client/src/main/java/wu/framework/lazy/cloud/heartbeat/client/netty/handler/HeartBeatClientHandler.java
+++ b/wu-lazy-cloud-heartbeat-client/src/main/java/wu/framework/lazy/cloud/heartbeat/client/netty/handler/HeartBeatClientHandler.java
@@ -8,13 +8,12 @@ import io.netty.handler.timeout.IdleStateEvent;
 import java.util.Date;
 
 public class HeartBeatClientHandler extends ChannelInboundHandlerAdapter {
-    private int lossConnectCount = 0;
+    private final int lossConnectCount = 0;
 
     @Override
     public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
         System.out.println("客户端循环心跳监测发送: " + new Date());
-        if (evt instanceof IdleStateEvent) {
-            IdleStateEvent event = (IdleStateEvent) evt;
+        if (evt instanceof IdleStateEvent event) {
             if (event.state() == IdleState.WRITER_IDLE) {
                 ctx.writeAndFlush("biubiu");
             }
diff --git a/wu-lazy-cloud-heartbeat-client/src/main/java/wu/framework/lazy/cloud/heartbeat/client/netty/handler/NettyClientHandler.java b/wu-lazy-cloud-heartbeat-client/src/main/java/wu/framework/lazy/cloud/heartbeat/client/netty/handler/NettyClientHandler.java
index 2a4b5cdc..ec103891 100644
--- a/wu-lazy-cloud-heartbeat-client/src/main/java/wu/framework/lazy/cloud/heartbeat/client/netty/handler/NettyClientHandler.java
+++ b/wu-lazy-cloud-heartbeat-client/src/main/java/wu/framework/lazy/cloud/heartbeat/client/netty/handler/NettyClientHandler.java
@@ -1,9 +1,5 @@
 package wu.framework.lazy.cloud.heartbeat.client.netty.handler;
 
-import wu.framework.lazy.cloud.heartbeat.client.netty.socket.NettyClientSocket;
-import wu.framework.lazy.cloud.heartbeat.common.MessageType;
-import wu.framework.lazy.cloud.heartbeat.common.NettyProxyMsg;
-import wu.framework.lazy.cloud.heartbeat.common.adapter.ChannelTypeAdapter;
 import io.netty.channel.Channel;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.channel.EventLoop;
@@ -11,6 +7,10 @@ import io.netty.channel.SimpleChannelInboundHandler;
 import io.netty.handler.timeout.IdleState;
 import io.netty.handler.timeout.IdleStateEvent;
 import lombok.extern.slf4j.Slf4j;
+import wu.framework.lazy.cloud.heartbeat.client.netty.socket.NettyClientSocket;
+import wu.framework.lazy.cloud.heartbeat.common.MessageType;
+import wu.framework.lazy.cloud.heartbeat.common.NettyProxyMsg;
+import wu.framework.lazy.cloud.heartbeat.common.adapter.ChannelTypeAdapter;
 
 import java.nio.charset.StandardCharsets;
 import java.util.Date;
@@ -91,8 +91,7 @@ public class NettyClientHandler extends SimpleChannelInboundHandler<NettyProxyMs
      */
     @Override
     public void userEventTriggered(ChannelHandlerContext ctx, Object obj) throws Exception {
-        if (obj instanceof IdleStateEvent) {
-            IdleStateEvent event = (IdleStateEvent) obj;
+        if (obj instanceof IdleStateEvent event) {
             if (IdleState.WRITER_IDLE.equals(event.state())) {  //如果写通道处于空闲状态,就发送心跳命令
                 String clientId = nettyClientSocket.getClientId();
                 NettyProxyMsg nettyMsg = new NettyProxyMsg();
diff --git a/wu-lazy-cloud-heartbeat-client/src/main/java/wu/framework/lazy/cloud/heartbeat/client/rpc/StagingNoticeApiRpc.java b/wu-lazy-cloud-heartbeat-client/src/main/java/wu/framework/lazy/cloud/heartbeat/client/rpc/StagingNoticeApiRpc.java
index 56cb6036..3dddc80f 100644
--- a/wu-lazy-cloud-heartbeat-client/src/main/java/wu/framework/lazy/cloud/heartbeat/client/rpc/StagingNoticeApiRpc.java
+++ b/wu-lazy-cloud-heartbeat-client/src/main/java/wu/framework/lazy/cloud/heartbeat/client/rpc/StagingNoticeApiRpc.java
@@ -3,12 +3,11 @@ package wu.framework.lazy.cloud.heartbeat.client.rpc;
 import com.wu.framework.database.lazy.web.plus.stereotype.LazyRpc;
 import com.wu.framework.response.Result;
 import com.wu.framework.response.ResultFactory;
+import io.netty.channel.Channel;
 import wu.framework.lazy.cloud.heartbeat.common.ChannelContext;
 import wu.framework.lazy.cloud.heartbeat.common.MessageType;
 import wu.framework.lazy.cloud.heartbeat.common.NettyProxyMsg;
 
-import io.netty.channel.Channel;
-
 import java.nio.charset.StandardCharsets;
 import java.util.List;
 
@@ -31,9 +30,9 @@ public class StagingNoticeApiRpc  {
 
             NettyProxyMsg nettyMsg = new NettyProxyMsg();
             nettyMsg.setType(MessageType.REPORT_CLIENT_STAGING_OPENED);
-            nettyMsg.setData((clientId.toString()
+            nettyMsg.setData((clientId
                     .getBytes(StandardCharsets.UTF_8)));
-            nettyMsg.setClientId((clientId.toString()
+            nettyMsg.setClientId((clientId
                     .getBytes(StandardCharsets.UTF_8)));
             channel.writeAndFlush(nettyMsg);
         }
@@ -54,9 +53,9 @@ public class StagingNoticeApiRpc  {
             Channel channel = clientChannel.getChannel();
             NettyProxyMsg nettyMsg = new NettyProxyMsg();
             nettyMsg.setType(MessageType.REPORT_CLIENT_STAGING_CLOSED);
-            nettyMsg.setData((clientId.toString()
+            nettyMsg.setData((clientId
                     .getBytes(StandardCharsets.UTF_8)));
-            nettyMsg.setClientId((clientId.toString()
+            nettyMsg.setClientId((clientId
                     .getBytes(StandardCharsets.UTF_8)));
             channel.writeAndFlush(nettyMsg);
         }
diff --git a/wu-lazy-cloud-heartbeat-server/src/main/java/wu/framework/lazy/cloud/heartbeat/server/netty/advanced/ServerHandleClientConnectSuccessTypeAdvanced.java b/wu-lazy-cloud-heartbeat-server/src/main/java/wu/framework/lazy/cloud/heartbeat/server/netty/advanced/ServerHandleClientConnectSuccessTypeAdvanced.java
index 69e7e78c..b5dee71c 100644
--- a/wu-lazy-cloud-heartbeat-server/src/main/java/wu/framework/lazy/cloud/heartbeat/server/netty/advanced/ServerHandleClientConnectSuccessTypeAdvanced.java
+++ b/wu-lazy-cloud-heartbeat-server/src/main/java/wu/framework/lazy/cloud/heartbeat/server/netty/advanced/ServerHandleClientConnectSuccessTypeAdvanced.java
@@ -72,7 +72,7 @@ public class ServerHandleClientConnectSuccessTypeAdvanced extends AbstractHandle
                     Channel channel = clientChannel.getChannel();
                     NettyProxyMsg nettyMsg = new NettyProxyMsg();
                     nettyMsg.setType(MessageType.DISTRIBUTE_CLIENT_CONNECTION_SUCCESS_NOTIFICATION);
-                    nettyMsg.setData((JSON.toJSONString(clientIdList).toString()
+                    nettyMsg.setData((JSON.toJSONString(clientIdList)
                             .getBytes(StandardCharsets.UTF_8)));
                     // 发送所有客户端ID
                     channel.writeAndFlush(nettyMsg);
diff --git a/wu-lazy-cloud-heartbeat-server/src/main/java/wu/framework/lazy/cloud/heartbeat/server/netty/handler/HeartBeatServerHandler.java b/wu-lazy-cloud-heartbeat-server/src/main/java/wu/framework/lazy/cloud/heartbeat/server/netty/handler/HeartBeatServerHandler.java
index 62a9d0fc..876053ce 100644
--- a/wu-lazy-cloud-heartbeat-server/src/main/java/wu/framework/lazy/cloud/heartbeat/server/netty/handler/HeartBeatServerHandler.java
+++ b/wu-lazy-cloud-heartbeat-server/src/main/java/wu/framework/lazy/cloud/heartbeat/server/netty/handler/HeartBeatServerHandler.java
@@ -18,8 +18,7 @@ public class HeartBeatServerHandler extends ChannelInboundHandlerAdapter {
         System.out.println("channelAttributeTenantId:" + channelAttributeId);
         System.out.println("已经5秒未收到客户端的消息了！");
 
-        if (evt instanceof IdleStateEvent) {
-            IdleStateEvent event = (IdleStateEvent) evt;
+        if (evt instanceof IdleStateEvent event) {
             if (event.state() == IdleState.READER_IDLE) {
                 lossConnectCount++;
                 if (lossConnectCount > 2) {
diff --git a/wu-lazy-cloud-heartbeat-server/src/main/java/wu/framework/lazy/cloud/heartbeat/server/netty/handler/NettyServerHandler.java b/wu-lazy-cloud-heartbeat-server/src/main/java/wu/framework/lazy/cloud/heartbeat/server/netty/handler/NettyServerHandler.java
index e2eaaeaa..28d2cae6 100644
--- a/wu-lazy-cloud-heartbeat-server/src/main/java/wu/framework/lazy/cloud/heartbeat/server/netty/handler/NettyServerHandler.java
+++ b/wu-lazy-cloud-heartbeat-server/src/main/java/wu/framework/lazy/cloud/heartbeat/server/netty/handler/NettyServerHandler.java
@@ -54,8 +54,7 @@ public class NettyServerHandler extends SimpleChannelInboundHandler<NettyProxyMs
     @Override
     public void userEventTriggered(ChannelHandlerContext ctx, Object obj) throws Exception {
         Channel channel = ctx.channel();
-        if (obj instanceof IdleStateEvent) {
-            IdleStateEvent event = (IdleStateEvent) obj;
+        if (obj instanceof IdleStateEvent event) {
             if (IdleState.READER_IDLE.equals(event.state())) {  //如果读通道处于空闲状态，说明没有接收到心跳命令
                 String clientId = ChannelAttributeKeyUtils.getClientId(channel);
                 String visitorId = ChannelAttributeKeyUtils.getVisitorId(channel);