diff --git a/projects/ucap-webmessenger-app/src/app/services/notification.service.ts b/projects/ucap-webmessenger-app/src/app/services/notification.service.ts
index ded98f36..c86a5968 100644
--- a/projects/ucap-webmessenger-app/src/app/services/notification.service.ts
+++ b/projects/ucap-webmessenger-app/src/app/services/notification.service.ts
@@ -20,7 +20,6 @@ import {
   SSVC_TYPE_EVENT_READ_NOTI,
   SSVC_TYPE_EVENT_CANCEL_NOTI,
   SSVC_TYPE_EVENT_DEL_RES,
-  Info,
   SSVC_TYPE_EVENT_SEND_RES,
   SSVC_TYPE_EVENT_READ_RES
 } from '@ucap-webmessenger/protocol-event';
@@ -35,7 +34,9 @@ import {
   SSVC_TYPE_ROOM_EXIT_NOTI,
   SSVC_TYPE_ROOM_EXIT_FORCING_NOTI,
   SSVC_TYPE_ROOM_FONT_UPD_NOTI,
-  InviteNotification
+  InviteNotification,
+  UpdateNotification,
+  SSVC_TYPE_ROOM_UPD_RES
 } from '@ucap-webmessenger/protocol-room';
 import {
   StatusProtocolService,
@@ -200,6 +201,28 @@ export class AppNotificationService {
       .pipe(
         tap(notiOrRes => {
           switch (notiOrRes.SSVC_TYPE) {
+            case SSVC_TYPE_ROOM_UPD_RES:
+              {
+                const noti = notiOrRes as UpdateNotification;
+                this.logger.debug(
+                  'Notification::roomProtocolService::UpdateNotification',
+                  noti
+                );
+                this.store.dispatch(
+                  RoomStore.updateSuccess({
+                    res: {
+                      roomSeq: noti.roomSeq,
+                      roomName:
+                        noti.roomName.trim().length === 0
+                          ? ' '
+                          : noti.roomName.trim(),
+                      receiveAlarm: noti.receiveAlarm,
+                      syncAll: false
+                    }
+                  })
+                );
+              }
+              break;
             case SSVC_TYPE_ROOM_INVITE_NOTI:
               {
                 const noti = notiOrRes as InviteNotification;
diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/sync/reducers.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/sync/reducers.ts
index 71759188..6c72eca8 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/sync/reducers.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/sync/reducers.ts
@@ -105,6 +105,19 @@ export const reducer = createReducer(
   on(updateRoomForNewEventMessage, (state, action) => {
     let finalEventMessage: string = action.info.sentMessage;
     switch (action.info.type) {
+      case EventType.Join:
+      case EventType.Exit:
+      case EventType.RenameRoom:
+      case EventType.NotificationForTimerRoom:
+      case EventType.GuideForRoomTimerChanged: {
+        /**
+         * 해당 타입은 메시지를 갱신하지 않는다.
+         * @description Edit with ui-chat > messages.component.ts
+         */
+        return {
+          ...state
+        };
+      }
       case EventType.Sticker:
         finalEventMessage = '스티커';
         break;
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/protocols/update.ts b/projects/ucap-webmessenger-protocol-room/src/lib/protocols/update.ts
index d191ec6c..421544ea 100644
--- a/projects/ucap-webmessenger-protocol-room/src/lib/protocols/update.ts
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/protocols/update.ts
@@ -32,6 +32,17 @@ export interface UpdateResponse extends ProtocolResponse {
   syncAll: boolean;
 }
 
+export interface UpdateNotification extends ProtocolNotification {
+  /** 대화방SEQ(s) */
+  roomSeq: string;
+  /** 대화방제목(s) */
+  roomName: string;
+  /** 알람여부(y) */
+  receiveAlarm: boolean;
+  /** 동기화여부(s) */
+  syncAll: boolean;
+}
+
 export const encodeUpdate: ProtocolEncoder<UpdateRequest> = (
   req: UpdateRequest
 ) => {
@@ -61,6 +72,17 @@ export const decodeUpdate: ProtocolDecoder<UpdateResponse> = (
   } as UpdateResponse);
 };
 
+export const decodeUpdateNotification: ProtocolDecoder<UpdateNotification> = (
+  message: ProtocolMessage
+) => {
+  return decodeProtocolMessage(message, {
+    roomSeq: message.bodyList[0],
+    roomName: message.bodyList[1],
+    receiveAlarm: message.bodyList[2] === 'Y' ? true : false,
+    syncAll: message.bodyList[3] === 'Y' ? true : false
+  } as UpdateNotification);
+};
+
 export interface UpdateTimerSetRequest extends ProtocolRequest {
   // 대화방SEQ(s)
   roomSeq: string;
diff --git a/projects/ucap-webmessenger-protocol-room/src/lib/services/room-protocol.service.ts b/projects/ucap-webmessenger-protocol-room/src/lib/services/room-protocol.service.ts
index 4172c13e..fb658e50 100644
--- a/projects/ucap-webmessenger-protocol-room/src/lib/services/room-protocol.service.ts
+++ b/projects/ucap-webmessenger-protocol-room/src/lib/services/room-protocol.service.ts
@@ -26,7 +26,8 @@ import {
   SSVC_TYPE_ROOM_INVITE_NOTI,
   SSVC_TYPE_ROOM_EXIT_NOTI,
   SSVC_TYPE_ROOM_EXIT_FORCING_NOTI,
-  SSVC_TYPE_ROOM_FONT_UPD_NOTI
+  SSVC_TYPE_ROOM_FONT_UPD_NOTI,
+  SSVC_TYPE_ROOM_UPD_RES
 } from '../types/service';
 import {
   OpenRequest,
@@ -127,6 +128,11 @@ export class RoomProtocolService {
         filter(message => message.serviceType === SVC_TYPE_ROOM),
         tap(message => {
           switch (message.subServiceType) {
+            case SSVC_TYPE_ROOM_UPD_RES:
+              {
+                this.notificationSubject.next(decodeUpdate(message));
+              }
+              break;
             case SSVC_TYPE_ROOM_INVITE_NOTI:
               {
                 this.notificationSubject.next(
diff --git a/projects/ucap-webmessenger-ui-chat/src/lib/components/messages.component.ts b/projects/ucap-webmessenger-ui-chat/src/lib/components/messages.component.ts
index baa534eb..082815b0 100644
--- a/projects/ucap-webmessenger-ui-chat/src/lib/components/messages.component.ts
+++ b/projects/ucap-webmessenger-ui-chat/src/lib/components/messages.component.ts
@@ -85,6 +85,7 @@ export class MessagesComponent implements OnInit {
   /**
    * 정보성 Event 인지 판단.
    * @description 정보성 event 일 경우 프로필, 일시 를 표현하지 않는다.
+   * Edit with reducers.ts / sync / updateRoomForNewEventMessage
    */
   getIsInformation(info: Info) {
     if (