diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/message.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/message.component.ts
index df5ee4a7..82848c10 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/message.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/message.component.ts
@@ -149,6 +149,13 @@ export class MessageBoxComponent
           // Badge Refresh in case Receive Message..
           if (info.msgInfo.type === MessageType.Receive) {
             this.doRefreshUnReadCount.emit();
+
+            // Clear Receive Message New Badge..
+            this.store.dispatch(
+              MessageStore.clearNewFlagReceiveMessage({
+                msgId: info.msgInfo.msgId
+              })
+            );
           }
 
           // detail view..
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 72f4e1e9..982c6e34 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
@@ -1303,6 +1303,33 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
               }
               break;
             case EventType.Translation:
+              {
+                let trgtStr = '';
+                if (clicktype === 'translation') {
+                  // translation
+                  trgtStr = (message.sentMessageJson as TranslationEventJson)
+                    .translation;
+                } else {
+                  // original
+                  trgtStr = (message.sentMessageJson as TranslationEventJson)
+                    .original;
+                }
+
+                if (this.clipboardService.copyFromContent(trgtStr)) {
+                  this.snackBarService.open(
+                    this.translateService.instant(
+                      'common.clipboard.results.copied'
+                    ),
+                    '',
+                    {
+                      duration: 3000,
+                      verticalPosition: 'top',
+                      horizontalPosition: 'center'
+                    }
+                  );
+                }
+              }
+              break;
             case EventType.MassTranslation:
               {
                 const sentMessageJson: MassTranslationEventJson = message.sentMessageJson as MassTranslationEventJson;
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 65c861bb..982719d7 100644
--- a/projects/ucap-webmessenger-app/src/app/services/notification.service.ts
+++ b/projects/ucap-webmessenger-app/src/app/services/notification.service.ts
@@ -660,6 +660,10 @@ export class AppNotificationService {
 
                 // Remove one Receive Message
                 if (!!noti && !!noti.keyId) {
+                  // clear badge in left navi
+                  this.store.dispatch(MessageStore.retrieveUnreadCount({}));
+
+                  // delete message in receive message list
                   this.store.dispatch(
                     deleteMessageSuccess({
                       messageType: MessageType.Receive,
diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/message/actions.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/message/actions.ts
index ea0f45c2..1c392131 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/message/actions.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/message/actions.ts
@@ -122,3 +122,8 @@ export const clearSearchMessage = createAction(
   '[Messenger::Message] Clear Search Message',
   props()
 );
+
+export const clearNewFlagReceiveMessage = createAction(
+  '[Messenger::Message] Clear NewFlag Message',
+  props<{ msgId: number }>()
+);
diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/message/reducers.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/message/reducers.ts
index 05d061dd..53c67bf1 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/message/reducers.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/message/reducers.ts
@@ -18,9 +18,10 @@ import {
   detailMessageSuccess,
   detailMessageClear,
   detailMessage,
-  clearSearchMessage
+  clearSearchMessage,
+  clearNewFlagReceiveMessage
 } from './actions';
-import { MessageType } from '@ucap-webmessenger/api-message';
+import { MessageType, MessageList } from '@ucap-webmessenger/api-message';
 
 export const reducer = createReducer(
   initialState,
@@ -149,6 +150,22 @@ export const reducer = createReducer(
     };
   }),
 
+  on(clearNewFlagReceiveMessage, (state, action) => {
+    const msgId = action.msgId;
+    const msgList: MessageList = {
+      ...state.receiveList.entities[msgId],
+      readYn: true
+    };
+
+    return {
+      ...state,
+      receiveList: adapterReceiveList.updateOne(
+        { id: msgId, changes: msgList },
+        { ...state.receiveList }
+      )
+    };
+  }),
+
   on(cancelReservationMessageSuccess, (state, action) => {
     return {
       ...state,
diff --git a/projects/ucap-webmessenger-app/src/assets/i18n/ko.json b/projects/ucap-webmessenger-app/src/assets/i18n/ko.json
index ada7438e..0d88386b 100644
--- a/projects/ucap-webmessenger-app/src/assets/i18n/ko.json
+++ b/projects/ucap-webmessenger-app/src/assets/i18n/ko.json
@@ -266,7 +266,7 @@
     "sendingTime": "보낸 시간",
     "reservationTime": "발송 예정 시간",
     "countOfReadUser": "읽은 사람",
-    "countOfUnreadUser": "읽은 않은 사람",
+    "countOfUnreadUser": "읽지 않은 사람",
     "badgeDescriptionForUnread": "확인하지 않은 쪽지가 있습니다.",
     "cancelReservation": "예약 발송 취소",
     "cancelSending": "발송 취소",