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 2e481ec1..21d1e8a6 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
@@ -576,9 +576,6 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
     switch (menuType) {
       case 'ADD_MEMBER':
         {
-          console.log(this.roomInfo);
-          console.log(this.userInfoList);
-
           const result = await this.dialogService.open<
             CreateChatDialogComponent,
             CreateChatDialogData,
@@ -587,39 +584,36 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
             width: '600px',
             data: {
               type: UserSelectDialogType.EditChatMember,
-              title: 'Edit Chat Member'
-              // ,
-              // curRoomUser: this.userInfoList
+              title: 'Edit Chat Member',
+              curRoomUser: this.userInfoList.filter(
+                user => user.seq !== this.loginRes.userSeq
+              )
             }
           });
 
           if (!!result && !!result.choice && result.choice) {
             const userSeqs: number[] = [];
-            let roomSeq = '';
             if (
               !!result.selectedUserList &&
               result.selectedUserList.length > 0
             ) {
-              result.selectedUserList.map(user => userSeqs.push(user.seq));
+              result.selectedUserList.map(user => {
+                userSeqs.push(user.seq);
+              });
             }
 
-            if (!!result.selectedRoom) {
-              roomSeq = result.selectedRoom.roomSeq;
-            }
+            if (userSeqs.length > 0) {
+              // include me
+              userSeqs.push(this.loginRes.userSeq);
 
-            if (userSeqs.length > 0 || roomSeq.trim().length > 0) {
-              // this.store.dispatch(
-              //   EventStore.forward({
-              //     senderSeq: this.loginRes.userSeq,
-              //     req: {
-              //       roomSeq: '-999',
-              //       eventType: message.type,
-              //       sentMessage: message.sentMessage
-              //     },
-              //     trgtUserSeqs: userSeqs,
-              //     trgtRoomSeq: roomSeq
-              //   })
-              // );
+              this.store.dispatch(
+                RoomStore.inviteOrOpen({
+                  req: {
+                    divCd: 'Invite',
+                    userSeqs
+                  }
+                })
+              );
             }
           }
         }
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 eaa233e9..0b7338cc 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
@@ -73,7 +73,12 @@
                 <div *ngIf="searchProcessing">
                   <mat-progress-bar mode="indeterminate"></mat-progress-bar>
                 </div>
-                <div class="result-num">검색결과 <span class="text-accent-color">({{ searchUserInfos.length }}명)</span></div>
+                <div class="result-num">
+                  검색결과
+                  <span class="text-accent-color"
+                    >({{ searchUserInfos.length }}명)</span
+                  >
+                </div>
                 <ucap-profile-user-list-item
                   *ngFor="let userInfo of searchUserInfos"
                   [userInfo]="userInfo"
@@ -141,15 +146,17 @@
         <mat-chip-list aria-label="User selection">
           <mat-chip
             *ngFor="let userInfo of selectedUserList"
-            color="primary"
-            selected
+            [selected]="getChipsRemoveYn(userInfo)"
             (removed)="onClickDeleteUser(userInfo)"
           >
             {{ userInfo.name }}
-            <mat-icon matChipRemove>clear</mat-icon>
+            <mat-icon matChipRemove *ngIf="getChipsRemoveYn(userInfo)"
+              >clear</mat-icon
+            >
           </mat-chip>
         </mat-chip-list>
       </div>
+      <span>{{ selectedUserList.length }}명</span>
     </div>
   </mat-card-content>
   <mat-card-actions class="button-farm flex-row">
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 dc4f3346..b39c00b5 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
@@ -57,12 +57,22 @@ export interface CreateChatDialogData {
   /** CASE :: EventForward */
   ignoreRoom?: RoomInfo[];
   /** CASE :: EditCharMember */
-  curRoomUser?: (UserInfo | UserInfoSS | UserInfoF | UserInfoDN)[];
+  curRoomUser?: (
+    | UserInfo
+    | UserInfoSS
+    | UserInfoF
+    | UserInfoDN
+    | RoomUserInfo)[];
 }
 
 export interface CreateChatDialogResult {
   choice: boolean;
-  selectedUserList?: (UserInfo | UserInfoSS | UserInfoF | UserInfoDN)[];
+  selectedUserList?: (
+    | UserInfo
+    | UserInfoSS
+    | UserInfoF
+    | UserInfoDN
+    | RoomUserInfo)[];
   selectedRoom?: RoomInfo;
   groupName?: string;
   oldGroup?: GroupDetailData;
@@ -117,7 +127,12 @@ export class CreateChatDialogComponent implements OnInit, OnDestroy {
   roomSubscription: Subscription;
 
   // 수집 데이터
-  selectedUserList: (UserInfo | UserInfoSS | UserInfoF | UserInfoDN)[] = [];
+  selectedUserList: (
+    | UserInfo
+    | UserInfoSS
+    | UserInfoF
+    | UserInfoDN
+    | RoomUserInfo)[] = [];
   isShowSelectedUserList = true;
   selectedRoom: RoomInfo;
 
@@ -208,6 +223,10 @@ export class CreateChatDialogComponent implements OnInit, OnDestroy {
     this.inputForm = this.formBuilder.group({
       groupName: ['', [Validators.required]]
     });
+
+    if (this.data.type === UserSelectDialogType.EditChatMember) {
+      this.selectedUserList = this.data.curRoomUser;
+    }
   }
 
   ngOnDestroy(): void {
@@ -239,6 +258,21 @@ export class CreateChatDialogComponent implements OnInit, OnDestroy {
     }
   }
 
+  getChipsRemoveYn(userInfo: UserInfo | UserInfoSS | UserInfoF | UserInfoDN) {
+    if (
+      this.data.type === UserSelectDialogType.EditChatMember &&
+      !!this.data.curRoomUser &&
+      this.data.curRoomUser.length > 0
+    ) {
+      return !(
+        this.data.curRoomUser.filter(user => user.seq === userInfo.seq).length >
+        0
+      );
+    } else {
+      return true;
+    }
+  }
+
   onSelectedTabChange(tabChangeEvent: MatTabChangeEvent): void {
     if (tabChangeEvent.index === 2) {
       this.selectedUserList = [];
diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/room/actions.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/room/actions.ts
index 5184c660..d0857791 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/room/actions.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/room/actions.ts
@@ -15,7 +15,9 @@ import {
   ExitRequest,
   ExitResponse,
   Open3Request,
-  Open3Response
+  Open3Response,
+  InviteRequest,
+  InviteResponse
 } from '@ucap-webmessenger/protocol-room';
 import { ReadNotification } from '@ucap-webmessenger/protocol-event';
 
@@ -115,6 +117,19 @@ export const openTimerFailure = createAction(
   props<{ error: any }>()
 );
 
+export const inviteOrOpen = createAction(
+  '[Messenger::Room] Invite or Open',
+  props<{ req: OpenRequest }>()
+);
+export const inviteSuccess = createAction(
+  '[Messenger::Room] Invite Success',
+  props<InviteResponse>()
+);
+export const inviteFailure = createAction(
+  '[Messenger::Room] Invite Failure',
+  props<{ error: any }>()
+);
+
 export const exit = createAction(
   '[Messenger::Room] Exit',
   props<ExitRequest>()
diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts
index ba8c3220..b45d6eb3 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/room/effects.ts
@@ -30,7 +30,9 @@ import {
   UpdateResponse,
   OpenResponse,
   ExitResponse,
-  Open3Response
+  Open3Response,
+  RoomType,
+  InviteResponse
 } from '@ucap-webmessenger/protocol-room';
 
 import * as ChatStore from '@app/store/messenger/chat';
@@ -55,7 +57,10 @@ import {
   exitFailure,
   openTimer,
   openTimerSuccess,
-  openTimerFailure
+  openTimerFailure,
+  inviteOrOpen,
+  inviteSuccess,
+  inviteFailure
 } from './actions';
 import { SessionStorageService } from '@ucap-webmessenger/web-storage';
 import { LoginInfo, KEY_LOGIN_INFO } from '@app/types';
@@ -204,6 +209,59 @@ export class Effects {
     )
   );
 
+  inviteOrOpen$ = createEffect(() =>
+    this.actions$.pipe(
+      ofType(inviteOrOpen),
+      withLatestFrom(
+        this.store.pipe(
+          select((state: any) => state.messenger.room.roomInfo as RoomInfo)
+        )
+      ),
+      exhaustMap(([action, roomInfo]) => {
+        if (roomInfo.roomType === RoomType.Single) {
+          // Re Open
+          return this.roomProtocolService.open(action.req).pipe(
+            map((res: OpenResponse) => {
+              return openSuccess({ res });
+            }),
+            catchError(error => of(openFailure({ error })))
+          );
+        } else if (roomInfo.roomType === RoomType.Multi) {
+          // Invite
+          return this.roomProtocolService
+            .invite({
+              roomSeq: roomInfo.roomSeq,
+              inviteUserSeqs: action.req.userSeqs
+            })
+            .pipe(
+              map((res: InviteResponse) => {
+                return inviteSuccess(res);
+              }),
+              catchError(error => of(inviteFailure({ error })))
+            );
+        } else {
+          return of(inviteFailure({ error: 'room type is error!!' }));
+        }
+      })
+    )
+  );
+  inviteSuccess$ = createEffect(() =>
+    this.actions$.pipe(
+      ofType(inviteSuccess),
+      map(action => {
+        return ChatStore.selectedRoom({ roomSeq: action.roomSeq });
+        // const loginInfo = this.sessionStorageService.get<LoginInfo>(
+        //   KEY_LOGIN_INFO
+        // );
+        // return info({
+        //   roomSeq: action.roomSeq,
+        //   isDetail: true,
+        //   localeCode: loginInfo.localeCode
+        // });
+      })
+    )
+  );
+
   exit$ = createEffect(() =>
     this.actions$.pipe(
       ofType(exit),