diff --git a/naming/src/main/java/com/alibaba/nacos/naming/core/ServiceManager.java b/naming/src/main/java/com/alibaba/nacos/naming/core/ServiceManager.java
index 694fbce26..0bb64c4f9 100644
--- a/naming/src/main/java/com/alibaba/nacos/naming/core/ServiceManager.java
+++ b/naming/src/main/java/com/alibaba/nacos/naming/core/ServiceManager.java
@@ -496,10 +496,7 @@ public class ServiceManager implements RecordListener<Service> {
         
         Service service = getService(namespaceId, serviceName);
         
-        if (service == null) {
-            throw new NacosException(NacosException.INVALID_PARAM,
-                    "service not found, namespace: " + namespaceId + ", service: " + serviceName);
-        }
+        checkServiceIsNull(service, namespaceId, serviceName);
         
         addInstance(namespaceId, serviceName, instance.isEphemeral(), instance);
     }
@@ -516,10 +513,7 @@ public class ServiceManager implements RecordListener<Service> {
         
         Service service = getService(namespaceId, serviceName);
         
-        if (service == null) {
-            throw new NacosException(NacosException.INVALID_PARAM,
-                    "service not found, namespace: " + namespaceId + ", service: " + serviceName);
-        }
+        checkServiceIsNull(service, namespaceId, serviceName);
         
         if (!service.allIPs().contains(instance)) {
             throw new NacosException(NacosException.INVALID_PARAM, "instance not exist: " + instance);
@@ -544,10 +538,7 @@ public class ServiceManager implements RecordListener<Service> {
         
         Service service = getService(namespaceId, serviceName);
         
-        if (service == null) {
-            throw new NacosException(NacosException.INVALID_PARAM,
-                    "service not found, namespace: " + namespaceId + ", service: " + serviceName);
-        }
+        checkServiceIsNull(service, namespaceId, serviceName);
         
         List<Instance> locatedInstance = getLocatedInstance(namespaceId, serviceName, isEphemeral, all, ips);
         
@@ -571,6 +562,21 @@ public class ServiceManager implements RecordListener<Service> {
         return locatedInstance;
     }
     
+    /**
+     * Check if the service is null.
+     *
+     * @param service     service
+     * @param namespaceId namespace
+     * @param serviceName service name
+     * @throws NacosException nacos exception
+     */
+    public void checkServiceIsNull(Service service, String namespaceId, String serviceName) throws NacosException {
+        if (service == null) {
+            throw new NacosException(NacosException.INVALID_PARAM,
+                    "service not found, namespace: " + namespaceId + ", serviceName: " + serviceName);
+        }
+    }
+    
     /**
      * Locate consistency's datum by all or instances provided.
      *
@@ -1002,8 +1008,9 @@ public class ServiceManager implements RecordListener<Service> {
     public void shutdown() throws NacosException {
         try {
             long start = System.nanoTime();
-            Loggers.SRV_LOG.info("Start to destroy ALL services. namespaces: {}, services: {}",
-                    serviceMap.keySet().size(), getServiceCount());
+            Loggers.SRV_LOG
+                    .info("Start to destroy ALL services. namespaces: {}, services: {}", serviceMap.keySet().size(),
+                            getServiceCount());
             for (Iterator<Map.Entry<String, Map<String, Service>>> iterator = serviceMap.entrySet().iterator();
                     iterator.hasNext(); ) {
                 Map.Entry<String, Map<String, Service>> entry = iterator.next();
@@ -1026,7 +1033,7 @@ public class ServiceManager implements RecordListener<Service> {
             iterator.remove();
         }
     }
-
+    
     private void cleanupService(String namespace, String name, Service service) throws Exception {
         service.destroy();
         String ephemeralInstanceListKey = KeyBuilder.buildInstanceListKey(namespace, name, true);
@@ -1035,14 +1042,14 @@ public class ServiceManager implements RecordListener<Service> {
         consistencyService.remove(ephemeralInstanceListKey);
         consistencyService.remove(persistInstanceListKey);
         consistencyService.remove(serviceMetaKey);
-
+        
         // remove listeners of key to avoid mem leak
         consistencyService.unListen(ephemeralInstanceListKey, service);
         consistencyService.unListen(persistInstanceListKey, service);
         consistencyService.unListen(serviceMetaKey, service);
         Loggers.SRV_LOG.info("[DEAD-SERVICE] {}", service.toJson());
     }
-
+    
     public static class ServiceChecksum {
         
         public String namespaceId;
diff --git a/naming/src/test/java/com/alibaba/nacos/naming/core/ServiceManagerTest.java b/naming/src/test/java/com/alibaba/nacos/naming/core/ServiceManagerTest.java
index f481cf04b..10e8330a1 100644
--- a/naming/src/test/java/com/alibaba/nacos/naming/core/ServiceManagerTest.java
+++ b/naming/src/test/java/com/alibaba/nacos/naming/core/ServiceManagerTest.java
@@ -457,4 +457,12 @@ public class ServiceManagerTest extends BaseTest {
         assertTrue(actual.contains("\"namespaceId\":\"public\""));
         assertTrue(actual.contains("\"serviceName2Checksum\":{\"test\":\"1234567890\"}"));
     }
+    
+    @Test
+    public void testCheckServiceIsNull() throws NacosException {
+        serviceManager.createEmptyService(TEST_NAMESPACE, TEST_SERVICE_NAME, true);
+        String serviceName = "order-service";
+        Service service = serviceManager.getService(TEST_NAMESPACE, serviceName);
+        serviceManager.checkServiceIsNull(service, TEST_NAMESPACE, serviceName);
+    }
 }