diff --git a/spring-cloud-alibaba-dependencies/pom.xml b/spring-cloud-alibaba-dependencies/pom.xml
index 7dc87d31..61c35ecc 100644
--- a/spring-cloud-alibaba-dependencies/pom.xml
+++ b/spring-cloud-alibaba-dependencies/pom.xml
@@ -21,7 +21,7 @@
         <revision>2.2.4-SNAPSHOT</revision>
         <sentinel.version>1.8.0</sentinel.version>
         <seata.version>1.3.0</seata.version>
-        <nacos.client.version>1.3.3</nacos.client.version>
+        <nacos.client.version>1.4.0</nacos.client.version>
         <nacos.config.version>0.8.0</nacos.config.version>
         <spring.context.support.version>1.0.10</spring.context.support.version>
 
diff --git a/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/NacosDiscoveryProperties.java b/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/NacosDiscoveryProperties.java
index 3ee047b4..632448db 100644
--- a/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/NacosDiscoveryProperties.java
+++ b/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/NacosDiscoveryProperties.java
@@ -183,17 +183,17 @@ public class NacosDiscoveryProperties {
 	private String secretKey;
 
 	/**
-	 * Heart beat interval. Time unit: second.
+	 * Heart beat interval. Time unit: millisecond.
 	 */
 	private Integer heartBeatInterval;
 
 	/**
-	 * Heart beat timeout. Time unit: second.
+	 * Heart beat timeout. Time unit: millisecond.
 	 */
 	private Integer heartBeatTimeout;
 
 	/**
-	 * Ip delete timeout. Time unit: second.
+	 * Ip delete timeout. Time unit: millisecond.
 	 */
 	private Integer ipDeleteTimeout;
 
diff --git a/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/registry/NacosServiceRegistry.java b/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/registry/NacosServiceRegistry.java
index ad5f1a12..97ab7310 100644
--- a/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/registry/NacosServiceRegistry.java
+++ b/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/registry/NacosServiceRegistry.java
@@ -40,7 +40,11 @@ import static org.springframework.util.ReflectionUtils.rethrowRuntimeException;
  * @author <a href="mailto:78552423@qq.com">eshun</a>
  */
 public class NacosServiceRegistry implements ServiceRegistry<Registration> {
-
+	
+	private static final String STATUS_UP = "UP";
+	
+	private static final String STATUS_DOWN = "DOWN";
+	
 	private static final Logger log = LoggerFactory.getLogger(NacosServiceRegistry.class);
 
 	private final NacosDiscoveryProperties nacosDiscoveryProperties;
@@ -119,7 +123,7 @@ public class NacosServiceRegistry implements ServiceRegistry<Registration> {
 	@Override
 	public void setStatus(Registration registration, String status) {
 
-		if (!"UP".equalsIgnoreCase(status) && !"DOWN".equalsIgnoreCase(status)) {
+		if (!STATUS_UP.equalsIgnoreCase(status) && !STATUS_DOWN.equalsIgnoreCase(status)) {
 			log.warn("can't support status {},please choose UP or DOWN", status);
 			return;
 		}
@@ -128,7 +132,7 @@ public class NacosServiceRegistry implements ServiceRegistry<Registration> {
 
 		Instance instance = getNacosInstanceFromRegistration(registration);
 
-		if ("DOWN".equalsIgnoreCase(status)) {
+		if (STATUS_DOWN.equalsIgnoreCase(status)) {
 			instance.setEnabled(false);
 		}
 		else {
@@ -138,7 +142,7 @@ public class NacosServiceRegistry implements ServiceRegistry<Registration> {
 		try {
 			Properties nacosProperties = nacosDiscoveryProperties.getNacosProperties();
 			nacosServiceManager.getNamingMaintainService(nacosProperties)
-					.updateInstance(serviceId, instance);
+					.updateInstance(serviceId, nacosDiscoveryProperties.getGroup(), instance);
 		}
 		catch (Exception e) {
 			throw new RuntimeException("update nacos instance status fail", e);
diff --git a/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/test/java/com/alibaba/cloud/nacos/registry/NacosAutoServiceRegistrationTests.java b/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/test/java/com/alibaba/cloud/nacos/registry/NacosAutoServiceRegistrationTests.java
index 9ae2cff9..1fbac697 100644
--- a/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/test/java/com/alibaba/cloud/nacos/registry/NacosAutoServiceRegistrationTests.java
+++ b/spring-cloud-alibaba-starters/spring-cloud-starter-alibaba-nacos-discovery/src/test/java/com/alibaba/cloud/nacos/registry/NacosAutoServiceRegistrationTests.java
@@ -69,9 +69,9 @@ import static org.springframework.boot.test.context.SpringBootTest.WebEnvironmen
 				"spring.cloud.nacos.discovery.accessKey=test-accessKey",
 				"spring.cloud.nacos.discovery.ip=8.8.8.8",
 				"spring.cloud.nacos.discovery.secretKey=test-secretKey",
-				"spring.cloud.nacos.discovery.heart-beat-interval=3",
-				"spring.cloud.nacos.discovery.heart-beat-timeout=6",
-				"spring.cloud.nacos.discovery.ip-delete-timeout=9" },
+				"spring.cloud.nacos.discovery.heart-beat-interval=3000",
+				"spring.cloud.nacos.discovery.heart-beat-timeout=6000",
+				"spring.cloud.nacos.discovery.ip-delete-timeout=9000" },
 		webEnvironment = RANDOM_PORT)
 public class NacosAutoServiceRegistrationTests {
 
@@ -186,15 +186,15 @@ public class NacosAutoServiceRegistrationTests {
 	}
 
 	private void checkoutNacosDiscoveryHeartBeatInterval() {
-		assertThat(properties.getHeartBeatInterval()).isEqualTo(Integer.valueOf(3));
+		assertThat(properties.getHeartBeatInterval()).isEqualTo(Integer.valueOf(3000));
 	}
 
 	private void checkoutNacosDiscoveryHeartBeatTimeout() {
-		assertThat(properties.getHeartBeatTimeout()).isEqualTo(Integer.valueOf(6));
+		assertThat(properties.getHeartBeatTimeout()).isEqualTo(Integer.valueOf(6000));
 	}
 
 	private void checkoutNacosDiscoveryIpDeleteTimeout() {
-		assertThat(properties.getIpDeleteTimeout()).isEqualTo(Integer.valueOf(9));
+		assertThat(properties.getIpDeleteTimeout()).isEqualTo(Integer.valueOf(9000));
 	}
 
 	private void checkoutNacosDiscoveryServiceName() {