diff --git a/src/main/java/com/example/CatchStudy/global/config/StompHandler.java b/src/main/java/com/example/CatchStudy/global/config/StompHandler.java
index 2574f0d..15f1b14 100644
--- a/src/main/java/com/example/CatchStudy/global/config/StompHandler.java
+++ b/src/main/java/com/example/CatchStudy/global/config/StompHandler.java
@@ -31,10 +31,16 @@ public Message<?> preSend(Message<?> message, MessageChannel channel) {
 
         System.out.println("-------------accessor : " + accessor);
         System.out.println("--------accessor header : " + accessor.getNativeHeader("Authorization"));
-        // 연결 요청에 대해 실행
-        if(accessor.getCommand() == StompCommand.CONNECT) {
+        // 연결, 해제, 메시지 전송 요청에 대해 실행
+        if((accessor.getCommand() == StompCommand.CONNECT) || (accessor.getCommand() == StompCommand.DISCONNECT)
+            || (accessor.getCommand() == StompCommand.SEND)) {
+
             accessToken = accessor.getFirstNativeHeader("Authorization");
 
+            if (StringUtils.hasText(accessToken) && accessToken.startsWith("Bearer ")) {
+                accessToken = accessToken.substring(7);
+            }
+
             try {
                 jwtUtil.validateAccessToken(accessToken);
             } catch (ExpiredJwtException e) {
@@ -46,10 +52,6 @@ public Message<?> preSend(Message<?> message, MessageChannel channel) {
             accessor.setUser(authentication);
         }
 
-        if (StringUtils.hasText(accessToken) && accessToken.startsWith("Bearer ")) {
-            accessToken = accessToken.substring(7);
-        }
-
         return message;
     }
 }
diff --git a/src/main/java/com/example/CatchStudy/service/ChatService.java b/src/main/java/com/example/CatchStudy/service/ChatService.java
index 8253919..b4c8dab 100644
--- a/src/main/java/com/example/CatchStudy/service/ChatService.java
+++ b/src/main/java/com/example/CatchStudy/service/ChatService.java
@@ -80,7 +80,7 @@ public List<MessageResponseDto> getMessageList(long chatRoomId) {
         List<ChatNotification> chatNotificationList = chatNotificationRepository.findAllByChatRoom_ChatRoomIdAndUser_UserId(chatRoomId, userId);
         // 알림 읽음 처리
         for(ChatNotification chatNotification : chatNotificationList) {
-           chatNotification.readNotification();
+            chatNotification.readNotification();
         }
 
         return messageRepository.findByChatRoomId(chatRoomId).stream().map(MessageResponseDto::new).toList();
@@ -112,7 +112,8 @@ public MessageResponseDto createMessage(long chatRoomId, MessageRequestDto messa
 
     @EventListener
     public void handleSessionConnect(SessionConnectEvent event) {
-        MessageHeaderAccessor accessor = NativeMessageHeaderAccessor.getAccessor(event.getMessage(), SimpMessageHeaderAccessor.class);
+        StompHeaderAccessor accessor = StompHeaderAccessor.wrap(event.getMessage());
+        System.out.println("chatService : " + accessor);
 
         GenericMessage generic = (GenericMessage) accessor.getHeader("simpConnectMessage");
         Map nativeHeaders = (Map) generic.getHeaders().get("nativeHeaders");