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 9e1aae3f..44fc1be7 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
@@ -189,7 +189,7 @@
   <!-- / CHAT TOOLBAR -->
   <div style="position: relative;">
     <div
-      *ngIf="eventListProcessing$ | async"
+      *ngIf="(eventListProcessing$ | async) || isTranslationProcess"
       style="position: absolute; width: 100%;"
     >
       <mat-progress-bar mode="indeterminate"></mat-progress-bar>
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 2045913b..adf5d7c7 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
@@ -172,6 +172,7 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
   selectedSticker: StickerFilesInfo;
 
   /** About Translation */
+  isTranslationProcess = false;
   isShowTranslation = false;
   translationSimpleview = false;
   translationPreview = false;
@@ -376,6 +377,7 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
     this.onCloseSearchArea();
 
     // Translate Clear..
+    this.isTranslationProcess = false;
     this.isShowTranslation = false;
     this.translationSimpleview = false;
     this.translationPreview = false;
@@ -628,6 +630,12 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
       const destLocale = this.destLocale;
       const original = message;
       const roomSeq = this.roomInfo.roomSeq;
+
+      if (!!this.isTranslationProcess) {
+        return;
+      }
+
+      this.isTranslationProcess = true;
       this.commonApiService
         .translationSave({
           userSeq: this.loginRes.userSeq,
@@ -703,7 +711,9 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
           }),
           catchError(error => of(this.logger.error(error)))
         )
-        .subscribe();
+        .subscribe(() => {
+          this.isTranslationProcess = false;
+        });
     } else if (!!this.selectedSticker) {
       /** CASE : Sticker */
       if (
@@ -1485,6 +1495,7 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
     this.destLocale = destLocale;
   }
   onCancelTranslation() {
+    this.isTranslationProcess = false;
     this.translationPreviewInfo = null;
   }
   onSendTranslationMessage(params: {
@@ -1517,6 +1528,7 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
       })
     );
 
+    this.isTranslationProcess = false;
     this.translationPreviewInfo = null;
   }
 }
diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/event/effects.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/event/effects.ts
index 00032a82..a73eb433 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/event/effects.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/event/effects.ts
@@ -41,7 +41,9 @@ import {
   EventJson,
   StickerEventJson,
   FileEventJson,
-  MassTextEventJson
+  MassTextEventJson,
+  TranslationEventJson,
+  MassTranslationEventJson
 } from '@ucap-webmessenger/protocol-event';
 
 import * as ChatStore from '@app/store/messenger/chat';
@@ -320,6 +322,18 @@ export class Effects {
                         ) {
                           contents = (event.sentMessageJson as MassTextEventJson)
                             .content;
+                        } else if (
+                          event.type === EventType.Translation &&
+                          !!event.sentMessageJson
+                        ) {
+                          contents = (event.sentMessageJson as TranslationEventJson)
+                            .original;
+                        } else if (
+                          event.type === EventType.MassTranslation &&
+                          !!event.sentMessageJson
+                        ) {
+                          contents = (event.sentMessageJson as MassTranslationEventJson)
+                            .original;
                         }
 
                         return contents.indexOf(action.searchText) > -1;
diff --git a/projects/ucap-webmessenger-ui/src/lib/utils/string.util.ts b/projects/ucap-webmessenger-ui/src/lib/utils/string.util.ts
index 939a00eb..90324351 100644
--- a/projects/ucap-webmessenger-ui/src/lib/utils/string.util.ts
+++ b/projects/ucap-webmessenger-ui/src/lib/utils/string.util.ts
@@ -2,7 +2,9 @@ import {
   EventType,
   EventJson,
   FileEventJson,
-  MassTextEventJson
+  MassTextEventJson,
+  TranslationEventJson,
+  MassTranslationEventJson
 } from '@ucap-webmessenger/protocol-event';
 import { FileType } from '@ucap-webmessenger/protocol-file';
 
@@ -192,6 +194,18 @@ export class StringUtil {
           eventMessage = m.content;
         }
         break;
+      case EventType.Translation:
+        {
+          const m = finalEventMessage as TranslationEventJson;
+          eventMessage = m.original;
+        }
+        break;
+      case EventType.MassTranslation:
+        {
+          const m = finalEventMessage as MassTranslationEventJson;
+          eventMessage = m.original;
+        }
+        break;
 
       default:
         {