diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/eager/instrument/feign/FeignEagerLoadContextInitializer.java b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/eager/instrument/feign/FeignEagerLoadContextInitializer.java
index ad8f03333..1fa8d7d97 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/eager/instrument/feign/FeignEagerLoadContextInitializer.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/eager/instrument/feign/FeignEagerLoadContextInitializer.java
@@ -49,11 +49,11 @@ public class FeignEagerLoadContextInitializer implements ApplicationListener<App
 
 	private static final Logger LOG = LoggerFactory.getLogger(FeignEagerLoadContextInitializer.class);
 
-	private ApplicationContext applicationContext;
+	private final ApplicationContext applicationContext;
 
-	private LoadBalancerClientFactory loadBalancerClientFactory;
+	private final LoadBalancerClientFactory loadBalancerClientFactory;
 
-	private LoadBalancerEagerLoadProperties loadBalancerEagerLoadProperties;
+	private final LoadBalancerEagerLoadProperties loadBalancerEagerLoadProperties;
 
 	public FeignEagerLoadContextInitializer(ApplicationContext applicationContext,
 			LoadBalancerClientFactory loadBalancerClientFactory,
@@ -63,16 +63,46 @@ public class FeignEagerLoadContextInitializer implements ApplicationListener<App
 		this.loadBalancerEagerLoadProperties = loadBalancerEagerLoadProperties;
 	}
 
+	public static Target.HardCodedTarget<?> getHardCodedTarget(Object proxy) {
+		try {
+			int count = 0;
+			Object invocationHandler = proxy;
+			// Avoid infinite loop
+			while (count++ < 100) {
+				invocationHandler = Proxy.getInvocationHandler(invocationHandler);
+				if (invocationHandler instanceof AopProxy) {
+					invocationHandler = JdkDynamicAopProxyUtils.getTarget(invocationHandler);
+					continue;
+				}
+				break;
+			}
+
+			for (Field field : invocationHandler.getClass().getDeclaredFields()) {
+				field.setAccessible(true);
+				Object fieldValue = field.get(invocationHandler);
+				if (fieldValue instanceof Target.HardCodedTarget) {
+					return (Target.HardCodedTarget<?>) fieldValue;
+				}
+			}
+		}
+		catch (Exception e) {
+			if (LOG.isDebugEnabled()) {
+				LOG.debug("proxy:{}, getTarget failed.", proxy, e);
+			}
+		}
+		return null;
+	}
+
 	@Override
 	public void onApplicationEvent(ApplicationReadyEvent applicationReadyEvent) {
 		LOG.info("feign eager-load start");
-		
+
 		// Get services that are already warmed by LoadBalancerEagerContextInitializer
 		Set<String> skipServices = getLoadBalancerEagerLoadServices();
-		
+
 		// Set to track already warmed services
 		Set<String> warmedServices = new HashSet<>();
-		
+
 		// Warm up FeignClient services
 		for (Object bean : applicationContext.getBeansWithAnnotation(FeignClient.class).values()) {
 			try {
@@ -95,7 +125,7 @@ public class FeignEagerLoadContextInitializer implements ApplicationListener<App
 								LOG.debug("[{}] skip eager-load, already configured in LoadBalancerEagerLoadProperties.clients", serviceName);
 								continue;
 							}
-							
+
 							// Skip if already warmed in this round
 							if (warmedServices.contains(serviceName)) {
 								LOG.debug("[{}] already warmed, skip.", serviceName);
@@ -124,41 +154,11 @@ public class FeignEagerLoadContextInitializer implements ApplicationListener<App
 	 */
 	private Set<String> getLoadBalancerEagerLoadServices() {
 		Set<String> services = new HashSet<>();
-		if (loadBalancerEagerLoadProperties != null 
+		if (loadBalancerEagerLoadProperties != null
 				&& loadBalancerEagerLoadProperties.isEnabled()
 				&& loadBalancerEagerLoadProperties.getClients() != null) {
 			services.addAll(loadBalancerEagerLoadProperties.getClients());
 		}
 		return services;
 	}
-
-	public static Target.HardCodedTarget<?> getHardCodedTarget(Object proxy) {
-		try {
-			int count = 0;
-			Object invocationHandler = proxy;
-			// Avoid infinite loop
-			while (count++ < 100) {
-				invocationHandler = Proxy.getInvocationHandler(invocationHandler);
-				if (invocationHandler instanceof AopProxy) {
-					invocationHandler = JdkDynamicAopProxyUtils.getTarget(invocationHandler);
-					continue;
-				}
-				break;
-			}
-
-			for (Field field : invocationHandler.getClass().getDeclaredFields()) {
-				field.setAccessible(true);
-				Object fieldValue = field.get(invocationHandler);
-				if (fieldValue instanceof Target.HardCodedTarget) {
-					return (Target.HardCodedTarget<?>) fieldValue;
-				}
-			}
-		}
-		catch (Exception e) {
-			if (LOG.isDebugEnabled()) {
-				LOG.debug("proxy:{}, getTarget failed.", proxy, e);
-			}
-		}
-		return null;
-	}
 }
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/eager/instrument/loadbalancer/LoadBalancerEagerContextInitializer.java b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/eager/instrument/loadbalancer/LoadBalancerEagerContextInitializer.java
index f9d0e5dfc..641a413f8 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/eager/instrument/loadbalancer/LoadBalancerEagerContextInitializer.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/eager/instrument/loadbalancer/LoadBalancerEagerContextInitializer.java
@@ -17,32 +17,33 @@ import org.springframework.context.ApplicationListener;
 public class LoadBalancerEagerContextInitializer implements ApplicationListener<ApplicationReadyEvent> {
 
 
-    private static final Logger LOG = LoggerFactory.getLogger(LoadBalancerEagerContextInitializer.class);
-
-    private final LoadBalancerClientFactory factory;
-
-    private final List<String> serviceNames;
-
-    public LoadBalancerEagerContextInitializer(LoadBalancerClientFactory factory, List<String> serviceNames) {
-        this.factory = factory;
-        this.serviceNames = serviceNames;
-    }
-
-    @Override
-    public void onApplicationEvent(ApplicationReadyEvent applicationReadyEvent) {
-
-        LOG.info("spring cloud eager-load start");
-        try {
-            if (!CollectionUtils.isEmpty(serviceNames)) {
-                for (String serviceName : serviceNames) {
-                    LoadBalancerWarmUpUtils.warmUp(factory, serviceName);
-                }
-            }
-            LOG.info("spring cloud eager-load end");
-        } catch (Exception e) {
-            if (LOG.isDebugEnabled()) {
-                LOG.debug("spring cloud eager-load failed.", e);
-            }
-        }
-    }
+	private static final Logger LOG = LoggerFactory.getLogger(LoadBalancerEagerContextInitializer.class);
+
+	private final LoadBalancerClientFactory factory;
+
+	private final List<String> serviceNames;
+
+	public LoadBalancerEagerContextInitializer(LoadBalancerClientFactory factory, List<String> serviceNames) {
+		this.factory = factory;
+		this.serviceNames = serviceNames;
+	}
+
+	@Override
+	public void onApplicationEvent(ApplicationReadyEvent applicationReadyEvent) {
+
+		LOG.info("spring cloud eager-load start");
+		try {
+			if (!CollectionUtils.isEmpty(serviceNames)) {
+				for (String serviceName : serviceNames) {
+					LoadBalancerWarmUpUtils.warmUp(factory, serviceName);
+				}
+			}
+			LOG.info("spring cloud eager-load end");
+		}
+		catch (Exception e) {
+			if (LOG.isDebugEnabled()) {
+				LOG.debug("spring cloud eager-load failed.", e);
+			}
+		}
+	}
 }
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/eager/instrument/loadbalancer/LoadBalancerEagerLoadProperties.java b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/eager/instrument/loadbalancer/LoadBalancerEagerLoadProperties.java
index 3ddaa2084..6068ba337 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/eager/instrument/loadbalancer/LoadBalancerEagerLoadProperties.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/com/tencent/cloud/polaris/eager/instrument/loadbalancer/LoadBalancerEagerLoadProperties.java
@@ -7,24 +7,24 @@ import org.springframework.boot.context.properties.ConfigurationProperties;
 @ConfigurationProperties("spring.cloud.loadbalancer.eager-load")
 public class LoadBalancerEagerLoadProperties {
 
-    private List<String> clients;
+	private List<String> clients;
 
-    private boolean enabled = true;
+	private boolean enabled = true;
 
-    public boolean isEnabled() {
-        return enabled;
-    }
+	public boolean isEnabled() {
+		return enabled;
+	}
 
-    public void setEnabled(boolean enabled) {
-        this.enabled = enabled;
-    }
+	public void setEnabled(boolean enabled) {
+		this.enabled = enabled;
+	}
 
-    public List<String> getClients() {
-        return clients;
-    }
+	public List<String> getClients() {
+		return clients;
+	}
 
-    public void setClients(List<String> clients) {
-        this.clients = clients;
-    }
+	public void setClients(List<String> clients) {
+		this.clients = clients;
+	}
 
 }
diff --git a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/org/springframework/aop/framework/JdkDynamicAopProxyUtils.java b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/org/springframework/aop/framework/JdkDynamicAopProxyUtils.java
index b67a769e9..380d84f38 100644
--- a/spring-cloud-starter-tencent-polaris-discovery/src/main/java/org/springframework/aop/framework/JdkDynamicAopProxyUtils.java
+++ b/spring-cloud-starter-tencent-polaris-discovery/src/main/java/org/springframework/aop/framework/JdkDynamicAopProxyUtils.java
@@ -22,7 +22,7 @@ import java.lang.reflect.Field;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class JdkDynamicAopProxyUtils {
+public final class JdkDynamicAopProxyUtils {
 
 	private static final Logger LOGGER = LoggerFactory.getLogger(JdkDynamicAopProxyUtils.class);