diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.html b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.html
index cb93dc2e..97e3c1ac 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.html
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.html
@@ -82,7 +82,7 @@
                     [selectedUserList]="selectedUserList"
                     [isChecked]="getCheckedUser(userInfo)"
                     [checkable]="true"
-                    [inTree]="true"
+                    (checkUser)="onCheckUser($event)"
                     (click)="onToggleUser(userInfo)"
                     class="list-item-frame"
                   >
@@ -155,6 +155,7 @@
                 [isChecked]="getCheckedRoom(room)"
                 [multiCheckable]="false"
                 (checkRoom)="onCheckRoom($event)"
+                (click)="onToggleRoom(room)"
               >
               </ucap-room-list-item>
             </div>
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.ts
index ac6813b1..51b0db01 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/dialogs/chat/create-chat.dialog.component.ts
@@ -4,7 +4,8 @@ import {
   OnInit,
   OnDestroy,
   Inject,
-  EventEmitter
+  EventEmitter,
+  ChangeDetectorRef
 } from '@angular/core';
 import { FormGroup, FormBuilder, Validators } from '@angular/forms';
 import {
@@ -103,7 +104,8 @@ export class CreateChatDialogComponent implements OnInit, OnDestroy {
     private queryProtocolService: QueryProtocolService,
     private formBuilder: FormBuilder,
     private logger: NGXLogger,
-    private dialogService: DialogService
+    private dialogService: DialogService,
+    private changeDetectorRef: ChangeDetectorRef
   ) {
     this.sessionVerinfo = this.sessionStorageService.get<VersionInfo2Response>(
       KEY_VER_INFO
@@ -380,6 +382,7 @@ export class CreateChatDialogComponent implements OnInit, OnDestroy {
             .length === 0
       );
     }
+    this.changeDetectorRef.detectChanges();
   }
 
   /** 조직도 > 부서원 전체 선택 */
@@ -421,7 +424,7 @@ export class CreateChatDialogComponent implements OnInit, OnDestroy {
         item => item.seq !== params.userInfo.seq
       );
     }
-    console.log(this.selectedUserList);
+    this.changeDetectorRef.detectChanges();
   }
   onToggleUser(userInfo: UserInfo | UserInfoSS | UserInfoF | UserInfoDN) {
     if (
@@ -436,7 +439,7 @@ export class CreateChatDialogComponent implements OnInit, OnDestroy {
     }
   }
 
-  /** 대화방 > 대화방 선택 :: 해당 팝업에서는 대화방을 중복 선택하지 않는다 */
+  /** 대화방 > 대화방 선택 */
   onCheckRoom(params: { isChecked: boolean; roomInfo: RoomInfo }) {
     if (params.isChecked) {
       this.selectedRoom = params.roomInfo;
@@ -444,6 +447,17 @@ export class CreateChatDialogComponent implements OnInit, OnDestroy {
       this.selectedRoom = null;
     }
   }
+  onToggleRoom(roomInfo: RoomInfo) {
+    if (!!this.selectedRoom) {
+      if (this.selectedRoom.roomSeq === roomInfo.roomSeq) {
+        this.selectedRoom = null;
+      } else {
+        this.selectedRoom = roomInfo;
+      }
+    } else {
+      this.selectedRoom = roomInfo;
+    }
+  }
 
   /** 그룹>부서원 리스트의 ischecked 를 판단. */
   getCheckedUser(userInfo: UserInfo | UserInfoSS | UserInfoF | UserInfoDN) {
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 82926569..d68dcd83 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
@@ -37,7 +37,7 @@
     #checkbox
     [checked]="isChecked"
     (change)="onChangeCheck(checkbox.checked, userInfo)"
-    (click)="onClickCheck($event)"
+    (click)="$event.stopPropagation()"
   >
   </mat-checkbox>
 </div>
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 5fbfde29..1b56f947 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
@@ -43,9 +43,6 @@ export class UserListItemComponent implements OnInit {
   @Input()
   /** 선택된 사용자의 리스트 */
   selectedUserList?: (UserInfo | UserInfoSS | UserInfoF | UserInfoDN)[] = [];
-  @Input()
-  /** event bubbling fixed in custom tree */
-  inTree = false;
 
   @Output()
   checkUser = new EventEmitter<{
@@ -105,11 +102,6 @@ export class UserListItemComponent implements OnInit {
       userInfo
     });
   }
-  onClickCheck(event: MouseEvent) {
-    if (!this.inTree) {
-      event.stopPropagation();
-    }
-  }
 
   onClickOpenProfile(
     event: MouseEvent,