diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/room/actions.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/room/actions.ts
index be56cadb..d6e5f084 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/room/actions.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/room/actions.ts
@@ -188,3 +188,8 @@ export const exitFailure = createAction(
   '[Messenger::Room] Exit Failure',
   props<{ error: any }>()
 );
+
+export const syncRoomRefreshByInvite = createAction(
+  '[Messenger::Room] Sync Room Refresh by invite',
+  props<InfoRequest>()
+);
diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts
index 5caa44ff..9d8a4e81 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts
@@ -70,7 +70,8 @@ import {
   exitForcingFailure,
   exitForcingSuccess,
   exitNotificationOthers,
-  clearRoomUser
+  clearRoomUser,
+  syncRoomRefreshByInvite
 } from './actions';
 import { SessionStorageService } from '@ucap-webmessenger/web-storage';
 import { LoginInfo, KEY_LOGIN_INFO, KEY_VER_INFO } from '@app/types';
@@ -398,10 +399,11 @@ export class Effects {
           )
         ),
         tap(([action, roomInfo]) => {
+          const loginInfo = this.sessionStorageService.get<LoginInfo>(
+            KEY_LOGIN_INFO
+          );
+
           if (!!roomInfo && roomInfo.roomSeq === action.noti.roomSeq) {
-            const loginInfo = this.sessionStorageService.get<LoginInfo>(
-              KEY_LOGIN_INFO
-            );
             this.store.dispatch(
               info({
                 roomSeq: action.noti.roomSeq,
@@ -410,6 +412,15 @@ export class Effects {
               })
             );
           }
+
+          // room list refresh for exist.
+          this.store.dispatch(
+            syncRoomRefreshByInvite({
+              roomSeq: action.noti.roomSeq,
+              isDetail: true,
+              localeCode: loginInfo.localeCode
+            })
+          );
         })
       );
     },
diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/sync/effects.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/sync/effects.ts
index 7e3ada7a..edc41612 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/sync/effects.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/sync/effects.ts
@@ -540,6 +540,62 @@ export class Effects {
     },
     { dispatch: false }
   );
+  syncRoomRefreshByInvite$ = createEffect(
+    () => {
+      let roomInfo: RoomInfo;
+      let userInfoShortList: UserInfoShort[];
+      let userInfoList: RoomUserInfo[];
+
+      return this.actions$.pipe(
+        ofType(RoomStore.syncRoomRefreshByInvite),
+        tap(() => {
+          roomInfo = null;
+          userInfoShortList = [];
+          userInfoList = [];
+        }),
+        withLatestFrom(
+          this.store.pipe(
+            select((state: any) => state.messenger.sync.room.ids as string[])
+          )
+        ),
+        switchMap(([req, roomSeqList]) => {
+          const index = roomSeqList.findIndex(
+            (roomSeq, i) => roomSeq === req.roomSeq
+          );
+          if (index > -1) {
+            return this.roomProtocolService.info(req).pipe(
+              map(res => {
+                switch (res.SSVC_TYPE) {
+                  case SSVC_TYPE_ROOM_INFO_ROOM:
+                    roomInfo = (res as InfoData).roomInfo;
+                    break;
+                  case SSVC_TYPE_ROOM_INFO_USER:
+                    userInfoShortList.push(...(res as UserShortData).userInfos);
+                    break;
+                  case SSVC_TYPE_ROOM_INFO_USER2:
+                    userInfoList.push(...(res as UserData).userInfos);
+                    break;
+                  case SSVC_TYPE_ROOM_INFO_RES:
+                    this.store.dispatch(
+                      refreshRoomSuccess({
+                        roomInfo,
+                        userInfoShortList,
+                        userInfoList
+                      })
+                    );
+                    break;
+                }
+              }),
+              catchError(error => of(refreshRoomFailure({ error })))
+            );
+          } else {
+            return of();
+          }
+        })
+      );
+    },
+    { dispatch: false }
+  );
 
   // 대화상대 초대 성공 후 처리.
   inviteSuccess$ = createEffect(() =>