diff --git a/naming/src/main/java/com/alibaba/nacos/naming/constants/FieldsConstants.java b/naming/src/main/java/com/alibaba/nacos/naming/constants/FieldsConstants.java
index 6f6f03de0..d67d2ef03 100644
--- a/naming/src/main/java/com/alibaba/nacos/naming/constants/FieldsConstants.java
+++ b/naming/src/main/java/com/alibaba/nacos/naming/constants/FieldsConstants.java
@@ -45,4 +45,14 @@ public class FieldsConstants {
     
     public static final String HEALTH_CHECKER = "healthChecker";
     
+    public static final String IP = "ip";
+    
+    public static final String PORT = "port";
+    
+    public static final String CLUSTER_NAME = "clusterName";
+    
+    public static final String SERVICE_NAME = "serviceName";
+    
+    public static final String EPHEMERAL = "ephemeral";
+    
 }
diff --git a/naming/src/main/java/com/alibaba/nacos/naming/healthcheck/ClientBeatCheckTask.java b/naming/src/main/java/com/alibaba/nacos/naming/healthcheck/ClientBeatCheckTask.java
index a3b882c24..4afd2d51f 100644
--- a/naming/src/main/java/com/alibaba/nacos/naming/healthcheck/ClientBeatCheckTask.java
+++ b/naming/src/main/java/com/alibaba/nacos/naming/healthcheck/ClientBeatCheckTask.java
@@ -21,6 +21,7 @@ import com.alibaba.nacos.common.model.RestResult;
 import com.alibaba.nacos.common.utils.InternetAddressUtil;
 import com.alibaba.nacos.common.utils.JacksonUtils;
 import com.alibaba.nacos.naming.consistency.KeyBuilder;
+import com.alibaba.nacos.naming.constants.FieldsConstants;
 import com.alibaba.nacos.naming.core.DistroMapper;
 import com.alibaba.nacos.naming.core.Instance;
 import com.alibaba.nacos.naming.core.Service;
@@ -48,6 +49,8 @@ public class ClientBeatCheckTask implements BeatCheckTask {
     
     private Service service;
     
+    public static final String EPHEMERAL = "true";
+    
     public ClientBeatCheckTask(Service service) {
         this.service = service;
     }
@@ -138,12 +141,16 @@ public class ClientBeatCheckTask implements BeatCheckTask {
         
         try {
             NamingProxy.Request request = NamingProxy.Request.newRequest();
-            request.appendParam("ip", instance.getIp()).appendParam("port", String.valueOf(instance.getPort()))
-                    .appendParam("ephemeral", "true").appendParam("clusterName", instance.getClusterName())
-                    .appendParam("serviceName", service.getName()).appendParam("namespaceId", service.getNamespaceId());
+            request.appendParam(FieldsConstants.IP, instance.getIp())
+                    .appendParam(FieldsConstants.PORT, String.valueOf(instance.getPort()))
+                    .appendParam(FieldsConstants.EPHEMERAL, EPHEMERAL)
+                    .appendParam(FieldsConstants.CLUSTER_NAME, instance.getClusterName())
+                    .appendParam(FieldsConstants.SERVICE_NAME, service.getName())
+                    .appendParam(FieldsConstants.NAME_SPACE_ID, service.getNamespaceId());
             
-            String url = "http://" + InternetAddressUtil.localHostIP() + InternetAddressUtil.IP_PORT_SPLITER + EnvUtil.getPort() + EnvUtil
-                    .getContextPath() + UtilsAndCommons.NACOS_NAMING_CONTEXT + "/instance?" + request.toUrl();
+            String url = "http://" + InternetAddressUtil.localHostIP() + InternetAddressUtil.IP_PORT_SPLITER + EnvUtil
+                    .getPort() + EnvUtil.getContextPath() + UtilsAndCommons.NACOS_NAMING_CONTEXT
+                    + UtilsAndCommons.NACOS_NAMING_INSTANCE_CONTEXT + "?" + request.toUrl();
             
             // delete instance asynchronously:
             HttpClient.asyncHttpDelete(url, null, null, new Callback<String>() {
diff --git a/naming/src/main/java/com/alibaba/nacos/naming/healthcheck/ClientBeatProcessor.java b/naming/src/main/java/com/alibaba/nacos/naming/healthcheck/ClientBeatProcessor.java
index 259ada57f..53070e88e 100644
--- a/naming/src/main/java/com/alibaba/nacos/naming/healthcheck/ClientBeatProcessor.java
+++ b/naming/src/main/java/com/alibaba/nacos/naming/healthcheck/ClientBeatProcessor.java
@@ -27,7 +27,6 @@ import com.alibaba.nacos.naming.push.UdpPushService;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 
 import java.util.List;
-import java.util.concurrent.TimeUnit;
 
 /**
  * Thread to update ephemeral instance triggered by client beat for v1.x.
@@ -36,8 +35,6 @@ import java.util.concurrent.TimeUnit;
  */
 public class ClientBeatProcessor implements BeatProcessor {
     
-    public static final long CLIENT_BEAT_TIMEOUT = TimeUnit.SECONDS.toMillis(15);
-    
     private RsInfo rsInfo;
     
     private Service service;
diff --git a/naming/src/main/java/com/alibaba/nacos/naming/healthcheck/heartbeat/ClientBeatProcessorV2.java b/naming/src/main/java/com/alibaba/nacos/naming/healthcheck/heartbeat/ClientBeatProcessorV2.java
index 632965bd0..cdc8edfff 100644
--- a/naming/src/main/java/com/alibaba/nacos/naming/healthcheck/heartbeat/ClientBeatProcessorV2.java
+++ b/naming/src/main/java/com/alibaba/nacos/naming/healthcheck/heartbeat/ClientBeatProcessorV2.java
@@ -59,7 +59,7 @@ public class ClientBeatProcessorV2 implements BeatProcessor {
         HealthCheckInstancePublishInfo instance = (HealthCheckInstancePublishInfo) client.getInstancePublishInfo(service);
         if (instance.getIp().equals(ip) && instance.getPort() == port) {
             if (Loggers.EVT_LOG.isDebugEnabled()) {
-                Loggers.EVT_LOG.debug("[CLIENT-BEAT] refresh beat: {}", rsInfo.toString());
+                Loggers.EVT_LOG.debug("[CLIENT-BEAT] refresh beat: {}", rsInfo);
             }
             instance.setLastHeartBeatTime(System.currentTimeMillis());
             if (!instance.isHealthy()) {