diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.ts
index 7895153b..9c9a168f 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-side.component.ts
@@ -17,7 +17,7 @@ import {
   CreateChatDialogData,
   CreateChatDialogResult
 } from '@app/layouts/messenger/dialogs/chat/create-chat.dialog.component';
-import { Subscription, of, Observable } from 'rxjs';
+import { Subscription, Observable } from 'rxjs';
 import { Store, select } from '@ngrx/store';
 
 import * as AppStore from '@app/store';
@@ -35,9 +35,8 @@ import { LoginResponse } from '@ucap-webmessenger/protocol-authentication';
 import { OpenProfileOptions } from '@ucap-webmessenger/protocol-buddy';
 import { SessionStorageService } from '@ucap-webmessenger/web-storage';
 import { VersionInfo2Response } from '@ucap-webmessenger/api-public';
-import { MessageApiService, MessageType } from '@ucap-webmessenger/api-message';
-import { DeviceType } from '@ucap-webmessenger/core';
-import { map, catchError, tap } from 'rxjs/operators';
+import { MessageType } from '@ucap-webmessenger/api-message';
+import { tap } from 'rxjs/operators';
 import {
   MessageWriteDialogComponent,
   MessageWriteDialogResult,
@@ -46,8 +45,7 @@ import {
 import {
   EnvironmentsInfo,
   KEY_ENVIRONMENTS_INFO,
-  KEY_VER_INFO,
-  KEY_LOGIN_RES_INFO
+  KEY_VER_INFO
 } from '@app/types';
 import { MessageBoxComponent } from './left-sidenav/message.component';
 import { environment } from '../../../../environments/environment';
@@ -70,7 +68,7 @@ export enum MainMenu {
 export class LeftSideComponent implements OnInit, OnDestroy {
   @Output()
   openProfile = new EventEmitter<{
-    userInfo: UserInfo | UserInfoSS | UserInfoF | UserInfoDN;
+    userSeq: number;
     openProfileOptions?: OpenProfileOptions;
   }>();
   @Output()
@@ -264,11 +262,11 @@ export class LeftSideComponent implements OnInit, OnDestroy {
   }
 
   onClickOpenProfile(params: {
-    userInfo: UserInfo | UserInfoSS | UserInfoF | UserInfoDN;
+    userSeq: number;
     openProfileOptions?: OpenProfileOptions;
   }) {
     this.openProfile.emit({
-      userInfo: params.userInfo,
+      userSeq: params.userSeq,
       openProfileOptions: params.openProfileOptions
     });
   }
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts
index 0650f8c1..44d7729e 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts
@@ -86,7 +86,7 @@ export class GroupComponent implements OnInit, OnDestroy {
   newGroupAndMember = new EventEmitter();
   @Output()
   openProfile = new EventEmitter<{
-    userInfo: UserInfo | UserInfoSS | UserInfoF | UserInfoDN;
+    userSeq: number;
     openProfileOptions?: OpenProfileOptions;
   }>();
 
@@ -432,7 +432,7 @@ export class GroupComponent implements OnInit, OnDestroy {
     switch (menuType) {
       case 'VIEW_PROFILE':
         this.openProfile.emit({
-          userInfo,
+          userSeq: userInfo.seq,
           openProfileOptions: {
             useDelBuddybutton:
               !!group &&
@@ -570,11 +570,11 @@ export class GroupComponent implements OnInit, OnDestroy {
   }
 
   onClickOpenProfile(
-    userInfo: UserInfo | UserInfoSS | UserInfoF | UserInfoDN,
+    userSeq: number,
     group: GroupDetailData
   ) {
     this.openProfile.emit({
-      userInfo,
+      userSeq,
       openProfileOptions: {
         useDelBuddybutton:
           !!group &&
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 371591f9..a6ce6951 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
@@ -75,7 +75,6 @@ import {
   CommonApiService,
   FileTalkSaveRequest,
   FileTalkSaveResponse,
-  TranslationReqRequest,
   TranslationSaveRequest,
   TranslationSaveResponse
 } from '@ucap-webmessenger/api-common';
@@ -117,7 +116,9 @@ import {
 })
 export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
   @Output()
-  openProfile = new EventEmitter<{ userInfo: UserInfo }>();
+  openProfile = new EventEmitter<{
+    userSeq: number;
+  }>();
 
   @ViewChild('chatForm', { static: false })
   private chatForm: UCapUiChatFormComponent;
@@ -1322,7 +1323,7 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
     }
   }
 
-  onClickOpenProfile(userInfo: UserInfo) {
+  onClickOpenProfile(userSeq: number) {
     if (
       this.roomInfo.roomType !== RoomType.Allim &&
       this.roomInfo.roomType !== RoomType.Bot &&
@@ -1330,7 +1331,7 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
       this.roomInfo.roomType !== RoomType.Allim_Elephant &&
       this.roomInfo.roomType !== RoomType.Allim_TMS
     ) {
-      this.openProfile.emit({ userInfo });
+      this.openProfile.emit({ userSeq });
     }
   }
 
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer.component.ts
index 9372c82d..26f9915b 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer.component.ts
@@ -1,11 +1,5 @@
 import { Component, OnInit, Input, Output, EventEmitter } from '@angular/core';
 import { RightDrawer } from '@app/types';
-import { UserInfo } from '@ucap-webmessenger/protocol-room';
-import {
-  UserInfoSS,
-  UserInfoF,
-  UserInfoDN
-} from '@ucap-webmessenger/protocol-query';
 
 @Component({
   selector: 'app-layout-messenger-right-drawer',
@@ -18,7 +12,7 @@ export class RightDrawerComponent implements OnInit {
 
   @Output()
   openProfile = new EventEmitter<{
-    userInfo: UserInfo | UserInfoSS | UserInfoF | UserInfoDN;
+    userSeq: number;
   }>();
   @Output()
   closeRightDrawer = new EventEmitter();
@@ -29,8 +23,8 @@ export class RightDrawerComponent implements OnInit {
 
   ngOnInit() {}
 
-  onClickOpenProfile(userInfo: UserInfo | UserInfoSS | UserInfoF | UserInfoDN) {
-    this.openProfile.emit({ userInfo });
+  onClickOpenProfile(userSeq: number) {
+    this.openProfile.emit({ userSeq });
   }
 
   onClickClose() {
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/room-user-list.component.html b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/room-user-list.component.html
index f658a053..9850525d 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/room-user-list.component.html
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/room-user-list.component.html
@@ -6,7 +6,7 @@
       [presence]="getStatusBulkInfo(userInfo) | async"
       [sessionVerinfo]="sessionVerinfo"
       (contextmenu)="onContextMenuRoomUser($event, userInfo)"
-      (openProfile)="onClickOpenProfile($event)"
+      (openProfile)="onClickOpenProfile(userInfo.seq)"
     >
     </ucap-profile-user-list-item>
   </div>
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/room-user-list.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/room-user-list.component.ts
index 48f23e86..8703df65 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/room-user-list.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/right-drawer/room-user-list.component.ts
@@ -49,7 +49,7 @@ import { MatMenuTrigger, MatDialog } from '@angular/material';
 })
 export class RoomUserListComponent implements OnInit, OnDestroy {
   @Output()
-  openProfile = new EventEmitter<UserInfo>();
+  openProfile = new EventEmitter<number>();
 
   @ViewChild('roomUserContextMenuTrigger', { static: true })
   roomUserContextMenuTrigger: MatMenuTrigger;
@@ -131,8 +131,8 @@ export class RoomUserListComponent implements OnInit, OnDestroy {
     );
   }
 
-  onClickOpenProfile(userInfo: UserInfo) {
-    this.openProfile.emit(userInfo);
+  onClickOpenProfile(userSeq: number) {
+    this.openProfile.emit(userSeq);
   }
 
   async onClickAddMember() {
diff --git a/projects/ucap-webmessenger-app/src/app/pages/messenger/components/main.page.component.ts b/projects/ucap-webmessenger-app/src/app/pages/messenger/components/main.page.component.ts
index 738aa42b..59fe0492 100644
--- a/projects/ucap-webmessenger-app/src/app/pages/messenger/components/main.page.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/pages/messenger/components/main.page.component.ts
@@ -16,12 +16,6 @@ import * as MessageStore from '@app/store/messenger/message';
 import { Observable, Subscription, of } from 'rxjs';
 import { UCAP_NATIVE_SERVICE, NativeService } from '@ucap-webmessenger/native';
 
-import { UserInfo } from '@ucap-webmessenger/protocol-sync';
-import {
-  UserInfoSS,
-  UserInfoF,
-  UserInfoDN
-} from '@ucap-webmessenger/protocol-query';
 import { StatusProtocolService } from '@ucap-webmessenger/protocol-status';
 import { StatusType, StatusCode } from '@ucap-webmessenger/core';
 import {
@@ -211,14 +205,17 @@ export class MainPageComponent implements OnInit, OnDestroy {
   }
 
   onClickOpenProfile(params: {
-    userInfo: UserInfo | UserInfoSS | UserInfoF | UserInfoDN;
+    userSeq: number;
     openProfileOptions?: OpenProfileOptions;
   }) {
+    if (!params.userSeq || params.userSeq < 0) {
+      return;
+    }
     // [GROUP]
     // this.queryProtocolService
     //   .dataUser({
     //     divCd: 'OPENPROF',
-    //     seq: userInfo.seq,
+    //     seq: params.userSeq,
     //     senderCompanyCode: this.loginRes.userInfo.companyCode,
     //     senderEmployeeType: this.loginRes.userInfo.employeeType
     //   })
@@ -244,7 +241,7 @@ export class MainPageComponent implements OnInit, OnDestroy {
     this.daesangProtocolService
       .dataUserDaesang({
         divCd: 'OPENPROF',
-        seq: params.userInfo.seq,
+        seq: params.userSeq,
         senderCompanyCode: this.loginRes.userInfo.companyCode,
         senderEmployeeType: this.loginRes.userInfo.employeeType
       })
diff --git a/projects/ucap-webmessenger-ui-chat/src/lib/components/messages.component.html b/projects/ucap-webmessenger-ui-chat/src/lib/components/messages.component.html
index faf8c637..1fdd8af4 100644
--- a/projects/ucap-webmessenger-ui-chat/src/lib/components/messages.component.html
+++ b/projects/ucap-webmessenger-ui-chat/src/lib/components/messages.component.html
@@ -120,7 +120,7 @@
             [base]="profileImageRoot"
             [path]="getUserProfile(message.senderSeq)"
             [default]="'assets/images/img_nophoto_50.png'"
-            (click)="onClickOpenProfile($event, getUerInfo(message.senderSeq))"
+            (click)="onClickOpenProfile($event, message.senderSeq)"
           />
           <!-- <ucap-ui-imaage
             [style]="'width: 50px; height: 50px;'"
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 fbf9b221..1ff0e594 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
@@ -54,7 +54,7 @@ export class MessagesComponent implements OnInit {
   translationSimpleview = false;
 
   @Output()
-  openProfile = new EventEmitter<UserInfo>();
+  openProfile = new EventEmitter<number>();
   @Output()
   moreEvent = new EventEmitter<number>();
   @Output()
@@ -120,18 +120,6 @@ export class MessagesComponent implements OnInit {
     }
     return '';
   }
-  getUerInfo(seq: number): UserInfo {
-    if (!this.userInfos) {
-      return null;
-    }
-
-    const userInfo: UserInfo[] = this.userInfos.filter(
-      user => user.seq === seq
-    );
-    if (!!userInfo && userInfo.length > 0) {
-      return userInfo[0];
-    }
-  }
   getEventSearched(seq: number): boolean {
     return (
       !!this.searchedList &&
@@ -213,11 +201,11 @@ export class MessagesComponent implements OnInit {
     return false;
   }
 
-  onClickOpenProfile(event: MouseEvent, userInfo: UserInfo) {
+  onClickOpenProfile(event: MouseEvent, userSeq: number) {
     event.preventDefault();
     event.stopPropagation();
 
-    this.openProfile.emit(userInfo);
+    this.openProfile.emit(userSeq);
   }
 
   onClickMore(event: any) {
diff --git a/projects/ucap-webmessenger-ui-profile/src/lib/components/user-list-item.component.html b/projects/ucap-webmessenger-ui-profile/src/lib/components/user-list-item.component.html
index 69d175de..99f9509f 100644
--- a/projects/ucap-webmessenger-ui-profile/src/lib/components/user-list-item.component.html
+++ b/projects/ucap-webmessenger-ui-profile/src/lib/components/user-list-item.component.html
@@ -11,7 +11,7 @@
           [base]="profileImageRoot"
           [path]="userInfo.profileImageFile"
           [default]="'assets/images/img_nophoto_50.png'"
-          (click)="onClickOpenProfile($event, userInfo)"
+          (click)="onClickOpenProfile($event, userInfo.seq)"
         />
       </div>
       <span
diff --git a/projects/ucap-webmessenger-ui-profile/src/lib/components/user-list-item.component.ts b/projects/ucap-webmessenger-ui-profile/src/lib/components/user-list-item.component.ts
index d230a758..ec35776b 100644
--- a/projects/ucap-webmessenger-ui-profile/src/lib/components/user-list-item.component.ts
+++ b/projects/ucap-webmessenger-ui-profile/src/lib/components/user-list-item.component.ts
@@ -52,9 +52,7 @@ export class UserListItemComponent implements OnInit {
     userInfo: UserInfo | UserInfoSS | UserInfoF | UserInfoDN;
   }>();
   @Output()
-  openProfile = new EventEmitter<
-    UserInfo | UserInfoSS | UserInfoF | UserInfoDN
-  >();
+  openProfile = new EventEmitter<number>();
 
   PresenceType = PresenceType;
 
@@ -108,13 +106,10 @@ export class UserListItemComponent implements OnInit {
     });
   }
 
-  onClickOpenProfile(
-    event: MouseEvent,
-    userInfo: UserInfo | UserInfoSS | UserInfoF | UserInfoDN
-  ) {
+  onClickOpenProfile(event: MouseEvent, userSeq: number) {
     event.preventDefault();
     event.stopPropagation();
 
-    this.openProfile.emit(userInfo);
+    this.openProfile.emit(userSeq);
   }
 }