diff --git a/src/main/java/org/apache/pulsar/manager/PulsarApplicationListener.java b/src/main/java/org/apache/pulsar/manager/PulsarApplicationListener.java
index 9f3941af..ed2fb873 100644
--- a/src/main/java/org/apache/pulsar/manager/PulsarApplicationListener.java
+++ b/src/main/java/org/apache/pulsar/manager/PulsarApplicationListener.java
@@ -38,6 +38,8 @@ public class PulsarApplicationListener implements ApplicationListener<ContextRef
 
     private final PulsarAdminService pulsarAdminService;
 
+    private final UsersRepository usersRepository;
+
     @Value("${default.environment.name}")
     private String defaultEnvironmentName;
 
@@ -47,20 +49,66 @@ public class PulsarApplicationListener implements ApplicationListener<ContextRef
     @Value("${default.environment.bookie_url}")
     private String defaultEnvironmentBookieUrl;
 
+    @Value("${default.superuser.name}")
+    private String defaultSuperuserName;
+
+    @Value("${default.superuser.password}")
+    private String defaultSuperuserPassword;
+
+    @Value("${default.superuser.email}")
+    private String defaultSuperuserEmail;
+
     @Autowired
-    public PulsarApplicationListener(EnvironmentsRepository environmentsRepository, PulsarAdminService pulsarAdminService) {
+    public PulsarApplicationListener(
+        EnvironmentsRepository environmentsRepository, 
+        PulsarAdminService pulsarAdminService,
+        UsersRepository usersRepository
+    ) {
         this.environmentsRepository = environmentsRepository;
         this.pulsarAdminService = pulsarAdminService;
+        this.usersRepository = usersRepository;
     }
 
     @Override
     public void onApplicationEvent(ContextRefreshedEvent event) {
         log.info("Start onApplicationEvent");
-        Page<EnvironmentEntity> environmentEntities = environmentsRepository
-                .getEnvironmentsList(1, 1);
+        
+        seedDefaultSuperuser();
+        seedDefaultEnvironment();
+    }
+
+    private void seedDefaultSuperuser() {
+        UserInfoEntity userInfoEntity = new UserInfoEntity();
+
+        Map<String, String> userValidateResult = usersService.validateUserInfo(userInfoEntity);
+        if (userValidateResult.get("error") != null) {
+            log.error("Superuser seed failed.", userValidateResult.get("error"));
+            System.exit(-1);
+        }
+        if (StringUtils.isBlank(userInfoEntity.getPassword())) {
+            log.error("Superuser seed failed. Password is required.");
+            System.exit(-1);
+        }
+        
+        Optional<UserInfoEntity> optionalUserEntity =  usersRepository.findByUserName(userInfoEntity.getName());
+        if (optionalUserEntity.isPresent()) {
+            log.error("Superuser already exists.");
+            return;
+        }
+
+        userInfoEntity.setPassword(DigestUtils.sha256Hex(userInfoEntity.getPassword()));
+        usersRepository.save(userInfoEntity);
+
+         log.info("Successfully added a default superuser: name = {}, email = {}, password = {}.",
+                        defaultSuperuserName, defaultSuperuserEmail, defaultSuperuserPassword);
+    }
+
+    private void seedDefaultEnvironment() {
+        Page<EnvironmentEntity> environmentEntities = environmentsRepository.getEnvironmentsList(1, 1);
+        
         if (environmentEntities.getResult().size() <= 0) {
-            Optional<EnvironmentEntity> environmentEntityOptional = environmentsRepository
-                    .findByName(defaultEnvironmentName);
+            Optional<EnvironmentEntity> environmentEntityOptional = environmentsRepository.findByName(defaultEnvironmentName);
+            
             if (defaultEnvironmentName != null
                     && defaultEnvironmentServiceUrl != null
                     && defaultEnvironmentName.length() > 0
@@ -89,6 +137,7 @@ public void onApplicationEvent(ContextRefreshedEvent event) {
                 log.warn("The default environment already exists.");
             }
         }
+
         log.debug("Environments already exist.");
     }
 }