diff --git a/src/main/java/getaguitar/site/demo/Config/StompConfig.java b/src/main/java/getaguitar/site/demo/Config/StompConfig.java
index 5eb9ef8..e25c6d4 100644
--- a/src/main/java/getaguitar/site/demo/Config/StompConfig.java
+++ b/src/main/java/getaguitar/site/demo/Config/StompConfig.java
@@ -1,7 +1,9 @@
 package getaguitar.site.demo.Config;
 
+import getaguitar.site.demo.Interceptor.StompHandler;
 import lombok.RequiredArgsConstructor;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.messaging.simp.config.ChannelRegistration;
 import org.springframework.messaging.simp.config.MessageBrokerRegistry;
 import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
 import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
@@ -12,7 +14,7 @@
 @RequiredArgsConstructor
 public class StompConfig implements WebSocketMessageBrokerConfigurer {
 
-    //final StompHandler stompHandler;
+    final StompHandler stompHandler;
 
     @Override
     public void registerStompEndpoints(StompEndpointRegistry registry) {
@@ -24,8 +26,8 @@ public void configureMessageBroker(MessageBrokerRegistry registry) {
         registry.setApplicationDestinationPrefixes("/app");
     }
 
-//    @Override
-//    public void configureClientInboundChannel(ChannelRegistration registration) {
-//        registration.interceptors(stompHandler);
-//    }
+    @Override
+    public void configureClientInboundChannel(ChannelRegistration registration) {
+        registration.interceptors(stompHandler);
+    }
 }
\ No newline at end of file
diff --git a/src/main/java/getaguitar/site/demo/Controller/StompController.java b/src/main/java/getaguitar/site/demo/Controller/StompController.java
index d0587b6..cbee59a 100644
--- a/src/main/java/getaguitar/site/demo/Controller/StompController.java
+++ b/src/main/java/getaguitar/site/demo/Controller/StompController.java
@@ -4,15 +4,12 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.context.event.EventListener;
-import org.springframework.messaging.handler.annotation.MessageMapping;
-import org.springframework.messaging.handler.annotation.SendTo;
 import org.springframework.messaging.simp.SimpMessageSendingOperations;
 import org.springframework.messaging.simp.stomp.StompHeaderAccessor;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.socket.messaging.SessionConnectEvent;
 import org.springframework.web.socket.messaging.SessionDisconnectEvent;
 
-import java.util.Map;
 
 
 @RestController
diff --git a/src/main/java/getaguitar/site/demo/Interceptor/StompHandler.java b/src/main/java/getaguitar/site/demo/Interceptor/StompHandler.java
index c933f6c..d5d9978 100644
--- a/src/main/java/getaguitar/site/demo/Interceptor/StompHandler.java
+++ b/src/main/java/getaguitar/site/demo/Interceptor/StompHandler.java
@@ -28,6 +28,8 @@ public void postSend(Message message, MessageChannel channel, boolean sent) {
             case DISCONNECT:
                 LOGGER.info("sessionId Disconnected {}", sessionId);
                 break;
+            case null:
+                break;
             default:
                 break;
         }
diff --git a/src/main/java/getaguitar/site/demo/Service/APIServiceImpl.java b/src/main/java/getaguitar/site/demo/Service/APIServiceImpl.java
index f9aa5e8..45ad60d 100644
--- a/src/main/java/getaguitar/site/demo/Service/APIServiceImpl.java
+++ b/src/main/java/getaguitar/site/demo/Service/APIServiceImpl.java
@@ -2,6 +2,7 @@
 import getaguitar.site.demo.Dto.ResUserDto;
 import getaguitar.site.demo.Entity.UserEntity;
 import getaguitar.site.demo.Repository.UserRepository;
+import jakarta.transaction.Transactional;
 import org.springframework.stereotype.Service;
 import org.apache.commons.lang3.RandomStringUtils;
 
@@ -13,6 +14,7 @@ public APIServiceImpl(UserRepository userRepository) {
     }
 
     @Override
+    @Transactional
     public ResUserDto getUser(){
         String username = RandomStringUtils.randomAlphanumeric(5);
         int id = userRepository.save(UserEntity.builder()