diff --git a/pom.xml b/pom.xml
index 45393f3..f50fcf7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>2.1.2.RELEASE</version>
+        <version>2.6.6</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
     <groupId>org.apache</groupId>
diff --git a/src/main/java/org/apache/rocketmq/exporter/config/CollectClientMetricExecutorConfig.java b/src/main/java/org/apache/rocketmq/exporter/config/CollectClientMetricExecutorConfig.java
index f62f9d6..daa22b5 100644
--- a/src/main/java/org/apache/rocketmq/exporter/config/CollectClientMetricExecutorConfig.java
+++ b/src/main/java/org/apache/rocketmq/exporter/config/CollectClientMetricExecutorConfig.java
@@ -16,9 +16,17 @@
  */
 package org.apache.rocketmq.exporter.config;
 
-
+import org.apache.rocketmq.exporter.task.ClientMetricCollectorFixedThreadPoolExecutor;
 import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.LinkedBlockingDeque;
+import java.util.concurrent.ThreadFactory;
+import java.util.concurrent.ThreadPoolExecutor;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicLong;
 
 @Configuration
 @ConfigurationProperties(prefix = "threadpool.collect-client-metric-executor")
@@ -27,36 +35,27 @@ public class CollectClientMetricExecutorConfig {
     private int maximumPoolSize = 20;
     private long keepAliveTime = 4000L;
     private int queueSize = 1000;
-
-    public int getCorePoolSize() {
-        return corePoolSize;
-    }
-
-    public void setCorePoolSize(int corePoolSize) {
-        this.corePoolSize = corePoolSize;
-    }
-
-    public int getMaximumPoolSize() {
-        return maximumPoolSize;
-    }
-
-    public void setMaximumPoolSize(int maximumPoolSize) {
-        this.maximumPoolSize = maximumPoolSize;
-    }
-
-    public long getKeepAliveTime() {
-        return keepAliveTime;
-    }
-
-    public void setKeepAliveTime(long keepAliveTime) {
-        this.keepAliveTime = keepAliveTime;
-    }
-
-    public int getQueueSize() {
-        return queueSize;
-    }
-
-    public void setQueueSize(int queueSize) {
-        this.queueSize = queueSize;
+    private BlockingQueue<Runnable> collectClientTaskBlockQueue;
+
+    @Bean(name = "collectClientMetricExecutor")
+    public ExecutorService collectClientMetricExecutor() {
+        collectClientTaskBlockQueue = new LinkedBlockingDeque<Runnable>(queueSize);
+        ExecutorService executorService = new ClientMetricCollectorFixedThreadPoolExecutor(
+            corePoolSize,
+            maximumPoolSize,
+            keepAliveTime,
+            TimeUnit.MILLISECONDS,
+            this.collectClientTaskBlockQueue,
+            new ThreadFactory() {
+                private final AtomicLong threadIndex = new AtomicLong(0);
+
+                @Override
+                public Thread newThread(Runnable r) {
+                    return new Thread(r, "collectClientMetricThread_" + this.threadIndex.incrementAndGet());
+                }
+            },
+            new ThreadPoolExecutor.DiscardOldestPolicy()
+        );
+        return executorService;
     }
 }
diff --git a/src/main/java/org/apache/rocketmq/exporter/task/MetricsCollectTask.java b/src/main/java/org/apache/rocketmq/exporter/task/MetricsCollectTask.java
index 7f4b940..78c7c34 100644
--- a/src/main/java/org/apache/rocketmq/exporter/task/MetricsCollectTask.java
+++ b/src/main/java/org/apache/rocketmq/exporter/task/MetricsCollectTask.java
@@ -41,7 +41,6 @@
 import org.apache.rocketmq.common.protocol.heartbeat.MessageModel;
 import org.apache.rocketmq.common.protocol.route.BrokerData;
 import org.apache.rocketmq.common.protocol.route.TopicRouteData;
-import org.apache.rocketmq.exporter.config.CollectClientMetricExecutorConfig;
 import org.apache.rocketmq.exporter.config.RMQConfigure;
 import org.apache.rocketmq.exporter.model.BrokerRuntimeStats;
 import org.apache.rocketmq.exporter.model.common.TwoTuple;
@@ -57,7 +56,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Qualifier;
-import org.springframework.context.annotation.Bean;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Component;
 
@@ -69,13 +67,7 @@
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
-import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.ExecutorService;
-import java.util.concurrent.LinkedBlockingDeque;
-import java.util.concurrent.ThreadFactory;
-import java.util.concurrent.ThreadPoolExecutor;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicLong;
 
 @Component
 public class MetricsCollectTask {
@@ -92,31 +84,6 @@ public class MetricsCollectTask {
     private static String clusterName = null;
     private final static Logger log = LoggerFactory.getLogger(MetricsCollectTask.class);
 
-    private BlockingQueue<Runnable> collectClientTaskBlockQueue;
-
-    @Bean(name = "collectClientMetricExecutor")
-    private ExecutorService collectClientMetricExecutor(
-        CollectClientMetricExecutorConfig collectClientMetricExecutorConfig) {
-        collectClientTaskBlockQueue = new LinkedBlockingDeque<Runnable>(collectClientMetricExecutorConfig.getQueueSize());
-        ExecutorService executorService = new ClientMetricCollectorFixedThreadPoolExecutor(
-            collectClientMetricExecutorConfig.getCorePoolSize(),
-            collectClientMetricExecutorConfig.getMaximumPoolSize(),
-            collectClientMetricExecutorConfig.getKeepAliveTime(),
-            TimeUnit.MILLISECONDS,
-            this.collectClientTaskBlockQueue,
-            new ThreadFactory() {
-                private final AtomicLong threadIndex = new AtomicLong(0);
-
-                @Override
-                public Thread newThread(Runnable r) {
-                    return new Thread(r, "collectClientMetricThread_" + this.threadIndex.incrementAndGet());
-                }
-            },
-            new ThreadPoolExecutor.DiscardOldestPolicy()
-        );
-        return executorService;
-    }
-
     @PostConstruct
     public void init() throws InterruptedException, RemotingConnectException, RemotingTimeoutException, RemotingSendRequestException, MQBrokerException {
         log.info("MetricsCollectTask init starting....");
diff --git a/src/test/java/org/apache/rocketmq/exporter/util/UtilsTest.java b/src/test/java/org/apache/rocketmq/exporter/util/UtilsTest.java
index 6ea67c5..21a842a 100644
--- a/src/test/java/org/apache/rocketmq/exporter/util/UtilsTest.java
+++ b/src/test/java/org/apache/rocketmq/exporter/util/UtilsTest.java
@@ -17,7 +17,7 @@
 package org.apache.rocketmq.exporter.util;
 
 import org.assertj.core.api.Assertions;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 public class UtilsTest {