diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/chat.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/chat.component.ts
index 14c2031e..ddf50cf8 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/chat.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/chat.component.ts
@@ -26,11 +26,8 @@ import {
 import * as AppStore from '@app/store';
 import * as ChatStore from '@app/store/messenger/chat';
 import * as RoomStore from '@app/store/messenger/room';
-import { tap, debounceTime, delay, take } from 'rxjs/operators';
-import {
-  RoomUserDetailData,
-  RoomUserData
-} from '@ucap-webmessenger/protocol-sync';
+import { tap, debounceTime } from 'rxjs/operators';
+import { RoomUserData } from '@ucap-webmessenger/protocol-sync';
 import { VersionInfo2Response } from '@ucap-webmessenger/api-public';
 import { SessionStorageService } from '@ucap-webmessenger/web-storage';
 import { KEY_VER_INFO } from '@app/types';
@@ -62,7 +59,6 @@ export class ChatComponent implements OnInit, OnDestroy, AfterViewChecked {
   chatContextMenuPosition = { x: '0px', y: '0px' };
 
   roomList: RoomInfo[];
-  roomUserList: RoomUserDetailData[];
   roomUserShortList: RoomUserData[];
   sessionVerinfo: VersionInfo2Response;
 
@@ -118,17 +114,17 @@ export class ChatComponent implements OnInit, OnDestroy, AfterViewChecked {
       this.store.pipe(
         select(AppStore.MessengerSelector.SyncSelector.selectAllRoom)
       ),
-      this.store.pipe(
-        select(AppStore.MessengerSelector.SyncSelector.selectAllRoomUser)
-      ),
       this.store.pipe(
         select(AppStore.MessengerSelector.SyncSelector.selectAllRoomUserShort)
       )
     ])
       .pipe(
-        tap(([room, roomUser, roomUserShort]) => {
+        tap(([room, roomUserShort]) => {
+          if (!room || !roomUserShort || roomUserShort.length === 0) {
+            return;
+          }
+
           this.roomList = room;
-          this.roomUserList = roomUser;
           this.roomUserShortList = roomUserShort;
 
           const recommendedWordList = [];
@@ -137,15 +133,6 @@ export class ChatComponent implements OnInit, OnDestroy, AfterViewChecked {
               recommendedWordList.push(r.roomName);
             }
           }
-          for (const ru of roomUser) {
-            for (const u of ru.userInfos) {
-              if (u.seq !== this.loginRes.userSeq) {
-                if (!!u.name && '' !== u.name.trim()) {
-                  recommendedWordList.push(u.name);
-                }
-              }
-            }
-          }
           for (const ru of roomUserShort) {
             for (const u of ru.userInfos) {
               if (u.seq !== this.loginRes.userSeq) {
@@ -155,8 +142,11 @@ export class ChatComponent implements OnInit, OnDestroy, AfterViewChecked {
               }
             }
           }
-
-          this.recommendedWordList = [...recommendedWordList];
+          this.recommendedWordList = [
+            ...recommendedWordList.filter(
+              (item, index) => recommendedWordList.indexOf(item) === index
+            )
+          ];
 
           if (!!this.isSearch) {
             this.searchRoomList = room.filter(
@@ -285,15 +275,6 @@ export class ChatComponent implements OnInit, OnDestroy, AfterViewChecked {
   }
 
   getRoomUserList(roomInfo: RoomInfo): (RoomUserInfo | UserInfoShort)[] {
-    if (!!this.roomUserList && 0 < this.roomUserList.length) {
-      const i = this.roomUserList.findIndex(
-        value => roomInfo.roomSeq === value.roomSeq
-      );
-      if (-1 < i) {
-        return this.roomUserList[i].userInfos;
-      }
-    }
-
     if (!!this.roomUserShortList && 0 < this.roomUserShortList.length) {
       const i = this.roomUserShortList.findIndex(
         value => roomInfo.roomSeq === value.roomSeq
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.html b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.html
index 151facbc..423c023d 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.html
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.html
@@ -336,14 +336,14 @@
       </button>
       <button
         mat-menu-item
-        *ngIf="isForwardableMessage(message, eventInfoStatus.validFileBaseSeq)"
+        *ngIf="isForwardableMessage(message, eventInfoStatus)"
         (click)="onClickMessageContextMenu('REPLAY', message)"
       >
         {{ 'chat.forwardEventTo' | translate }}
       </button>
       <button
         mat-menu-item
-        *ngIf="isForwardableMessage(message, eventInfoStatus.validFileBaseSeq)"
+        *ngIf="isForwardableMessage(message, eventInfoStatus)"
         (click)="onClickMessageContextMenu('REPLAY_TO_ME', message)"
       >
         {{ 'chat.forwardEventToMe' | translate }}
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.ts
index 2f7265f9..bb02c427 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.ts
@@ -1638,6 +1638,9 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
         contents = (event.sentMessageJson as FileEventJson).fileName;
       } else if (event.type === EventType.MassText && !!event.sentMessageJson) {
         contents = (event.sentMessageJson as MassTextEventJson).content;
+      } else if ((event.type === EventType.Translation || event.type === EventType.MassTranslation) && !!event.sentMessageJson) {
+        contents = (event.sentMessageJson as TranslationEventJson).original;
+        contents += (event.sentMessageJson as TranslationEventJson).translation;
       }
 
       return contents.indexOf(searchText) > -1;
diff --git a/projects/ucap-webmessenger-protocol-event/src/lib/models/info.ts b/projects/ucap-webmessenger-protocol-event/src/lib/models/info.ts
index 05eaf487..de6b7c89 100644
--- a/projects/ucap-webmessenger-protocol-event/src/lib/models/info.ts
+++ b/projects/ucap-webmessenger-protocol-event/src/lib/models/info.ts
@@ -1,4 +1,5 @@
 import { EventType } from '../types/event.type';
+import { InfoResponse } from '../protocols/info';
 
 export interface Info<T = {}> {
   // 이벤트SEQ
@@ -37,9 +38,16 @@ export function isRecallable(event: Info<any>, userSeq: number): boolean {
   );
 }
 
-export function isForwardable(event: Info, expiredFileStdSeq: number): boolean {
+export function isForwardable(
+  event: Info,
+  eventInfoStatus: InfoResponse
+): boolean {
   if (event.type === EventType.File) {
-    if (!!expiredFileStdSeq && expiredFileStdSeq <= event.seq) {
+    if (
+      !!eventInfoStatus &&
+      !!eventInfoStatus.validFileBaseSeq &&
+      eventInfoStatus.validFileBaseSeq <= event.seq
+    ) {
       // valid..
       return true;
     } else {