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 850e4c04..d07d3af2 100644
--- a/projects/ucap-webmessenger-app/src/app/services/notification.service.ts
+++ b/projects/ucap-webmessenger-app/src/app/services/notification.service.ts
@@ -13,6 +13,7 @@ import {
 } from '@ucap-webmessenger/protocol-authentication';
 
 import * as AuthenticationStore from '@app/store/account/authentication';
+import * as EventStore from '@app/store/messenger/event';
 import { NGXLogger } from 'ngx-logger';
 import {
   EventProtocolService,
@@ -20,7 +21,8 @@ import {
   SendNotification,
   SSVC_TYPE_EVENT_READ_NOTI,
   SSVC_TYPE_EVENT_CANCEL_NOTI,
-  SSVC_TYPE_EVENT_DEL_RES
+  SSVC_TYPE_EVENT_DEL_RES,
+  Info
 } from '@ucap-webmessenger/protocol-event';
 import {
   InfoProtocolService,
@@ -105,6 +107,22 @@ export class AppNotificationService {
                   'Notification::eventProtocolService::SendNotification',
                   noti
                 );
+
+                const appendInfo: Info = {
+                  seq: noti.seq,
+                  type: noti.eventType,
+                  senderSeq: noti.SENDER_SEQ,
+                  sendDate: noti.sendDate,
+                  sentMessage: noti.message,
+                  receiverCount: noti.receiverCount
+                };
+
+                this.store.dispatch(
+                  EventStore.newInfo({
+                    roomSeq: noti.roomSeq,
+                    info: appendInfo
+                  })
+                );
               }
               break;
             case SSVC_TYPE_EVENT_READ_NOTI:
diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/event/actions.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/event/actions.ts
index f3e10511..25947104 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/event/actions.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/event/actions.ts
@@ -25,6 +25,14 @@ export const infoFailure = createAction(
   props<{ error: any }>()
 );
 
+export const newInfo = createAction(
+  '[Messenger::Event] New Info',
+  props<{
+    roomSeq: string;
+    info: Info;
+  }>()
+);
+
 export const appendInfoList = createAction(
   '[Messenger::Event] Append InfoList',
   props<{
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 8ed7c2ed..7ee0293d 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
@@ -2,12 +2,19 @@ import { Injectable } from '@angular/core';
 
 import { Actions, createEffect, ofType } from '@ngrx/effects';
 
-import { Store } from '@ngrx/store';
+import { Store, select } from '@ngrx/store';
 
 import { NGXLogger } from 'ngx-logger';
 
 import { of } from 'rxjs';
-import { tap, switchMap, map, catchError, exhaustMap } from 'rxjs/operators';
+import {
+  tap,
+  switchMap,
+  map,
+  catchError,
+  exhaustMap,
+  withLatestFrom
+} from 'rxjs/operators';
 import {
   InfoData,
   Info,
@@ -27,9 +34,11 @@ import {
   send,
   sendSuccess,
   sendFailure,
-  appendInfoList
+  appendInfoList,
+  newInfo
 } from './actions';
 import { SessionStorageService } from '@ucap-webmessenger/web-storage';
+import { RoomInfo } from '@ucap-webmessenger/protocol-room';
 
 @Injectable()
 export class Effects {
@@ -112,7 +121,28 @@ export class Effects {
             receiverCount: res.receiverCount
           };
 
-          this.store.dispatch(appendInfoList({ info: appendInfo }));
+          this.store.dispatch(
+            newInfo({ roomSeq: res.roomSeq, info: appendInfo })
+          );
+        })
+      );
+    },
+    { dispatch: false }
+  );
+
+  newInfo$ = createEffect(
+    () => {
+      return this.actions$.pipe(
+        ofType(newInfo),
+        withLatestFrom(
+          this.store.pipe(
+            select((state: any) => state.messenger.room.roomInfo as RoomInfo)
+          )
+        ),
+        tap(([action, roomInfo]) => {
+          if (roomInfo.roomSeq === action.roomSeq) {
+            this.store.dispatch(appendInfoList({ info: action.info }));
+          }
         })
       );
     },
diff --git a/projects/ucap-webmessenger-protocol-event/src/lib/models/info.ts b/projects/ucap-webmessenger-protocol-event/src/lib/models/info.ts
index df8727f4..fa28fc20 100644
--- a/projects/ucap-webmessenger-protocol-event/src/lib/models/info.ts
+++ b/projects/ucap-webmessenger-protocol-event/src/lib/models/info.ts
@@ -8,7 +8,7 @@ export interface Info {
   // 발신자SEQ
   senderSeq: number;
   // 발신일시
-  sendDate: Date;
+  sendDate: string;
   // 발신내용
   sentMessage: string;
   // 수신자수
diff --git a/projects/ucap-webmessenger-protocol-event/src/lib/protocols/info.ts b/projects/ucap-webmessenger-protocol-event/src/lib/protocols/info.ts
index 5b38f074..80760f3c 100644
--- a/projects/ucap-webmessenger-protocol-event/src/lib/protocols/info.ts
+++ b/projects/ucap-webmessenger-protocol-event/src/lib/protocols/info.ts
@@ -63,7 +63,7 @@ export const decodeInfoData: ProtocolDecoder<InfoData> = (
         seq: info[0],
         type: info[1] as EventType,
         senderSeq: Number(info[2]),
-        sendDate: new Date(info[3]),
+        sendDate: info[3],
         sentMessage: info[4],
         receiverCount: Number(info[5])
       });
diff --git a/projects/ucap-webmessenger-protocol-event/src/lib/protocols/send.ts b/projects/ucap-webmessenger-protocol-event/src/lib/protocols/send.ts
index 3c3865d2..adf98aeb 100644
--- a/projects/ucap-webmessenger-protocol-event/src/lib/protocols/send.ts
+++ b/projects/ucap-webmessenger-protocol-event/src/lib/protocols/send.ts
@@ -30,7 +30,7 @@ export interface SendResponse extends ProtocolResponse {
   // 이벤트타입(s)
   eventType: EventType;
   // 발생일시(s)
-  sendDate: Date;
+  sendDate: string;
   // 이벤트내용(s)
   message: string;
   // 수신자수
@@ -44,27 +44,27 @@ export interface SendResponse extends ProtocolResponse {
 }
 
 export interface SendNotification extends ProtocolNotification {
-  // 대화방SEQ(s)
+  /** 대화방SEQ(s) */
   roomSeq: string;
-  // 이벤트SEQ(n)
+  /** 이벤트SEQ(n) */
   seq: number;
-  // 이벤트타입(s)
+  /** 이벤트타입(s) */
   eventType: EventType;
-  // 발생일시(s)
+  /** 발생일시(s) */
   sendDate: string;
-  // 이벤트내용(s)
+  /** 이벤트내용(s) */
   message: string;
-  // 수신자수
+  /** 수신자수 */
   receiverCount: number;
-  // 알림상태(s) PC 경우에만 관여됨 N: 푸시를 보내지 않은 이벤트 S: 푸시를 보낸 이벤트
+  /** 알림상태(s) PC 경우에만 관여됨 N: 푸시를 보내지 않은 이벤트 S: 푸시를 보낸 이벤트 */
   pushStatus: PushStatus;
-  // 강퇴 타입(s)
+  /** 강퇴 타입(s) */
   ForcedExitType: string;
-  // 요청자 이름(s)
+  /** 요청자 이름(s) */
   senderName: string;
-  // 사용자아이디(s)
+  /** 사용자아이디(s) */
   id?: string;
-  // 회사코드(s)
+  /** 회사코드(s) */
   companyCode?: string;
 }
 
diff --git a/projects/ucap-webmessenger-util/src/lib/services/enviroment-util.service.spec.ts b/projects/ucap-webmessenger-util/src/lib/services/enviroment-util.service.spec.ts
index dd7540ef..32fb3d07 100644
--- a/projects/ucap-webmessenger-util/src/lib/services/enviroment-util.service.spec.ts
+++ b/projects/ucap-webmessenger-util/src/lib/services/enviroment-util.service.spec.ts
@@ -1,16 +1,6 @@
 import { TestBed } from '@angular/core/testing';
 
 import { EnviromentUtilService } from './enviroment-util.service';
-import { interval, fromEvent, concat, merge, race, of, zip } from 'rxjs';
-import {
-  take,
-  map,
-  combineAll,
-  tap,
-  mapTo,
-  delay,
-  switchMap
-} from 'rxjs/operators';
 
 describe('EnviromentUtilService', () => {
   beforeEach(() => TestBed.configureTestingModule({}));
@@ -19,87 +9,4 @@ describe('EnviromentUtilService', () => {
     const service: EnviromentUtilService = TestBed.get(EnviromentUtilService);
     expect(service).toBeTruthy();
   });
-
-  // it('rxjs combineAll', () => {
-  //   const source = interval(1000).pipe(take(2));
-  //   const example = source.pipe(
-  //     map(sv => {
-  //       console.log('sv', sv, new Date());
-
-  //       return interval(1000).pipe(
-  //         tap(ev => {
-  //           console.log('sv', sv, 'ev', ev, new Date());
-  //         }),
-  //         map(ev => `Result (${sv}): ${ev}`),
-  //         take(3)
-  //       );
-  //     })
-  //   );
-  //   const result = example.pipe(combineAll());
-
-  //   result.subscribe(x => console.log('x', x, new Date()));
-  // });
-
-  // it('rxjs merge', () => {
-  //   // emit every 2.5 seconds
-  //   const first = interval(2500);
-  //   // emit every 2 seconds
-  //   const second = interval(2000);
-  //   // emit every 1.5 seconds
-  //   const third = interval(1500);
-  //   // emit every 1 second
-  //   const fourth = interval(1000);
-
-  //   // emit outputs from one observable
-  //   const example = merge(
-  //     first.pipe(mapTo('FIRST!')),
-  //     second.pipe(mapTo('SECOND!')),
-  //     third.pipe(mapTo('THIRD')),
-  //     fourth.pipe(mapTo('FOURTH'))
-  //   );
-  //   // output: "FOURTH", "THIRD", "SECOND!", "FOURTH", "FIRST!", "THIRD", "FOURTH"
-  //   const subscribe = example.subscribe(val => console.log(val));
-  // });
-
-  // it('rxjs race', () => {
-  //   // take the first observable to emit
-  //   const example = race(
-  //     // emit every 1.5s
-  //     interval(1500).pipe(mapTo('1.5s won!')),
-  //     // emit every 1s
-  //     interval(1000).pipe(mapTo('1s won!')),
-  //     // emit every 2s
-  //     interval(2000).pipe(mapTo('2s won!')),
-  //     // emit every 2.5s
-  //     interval(2500).pipe(mapTo('2.5s won!'))
-  //   );
-  //   // output: "1s won!"..."1s won!"...etc
-  //   const subscribe = example.subscribe(val => console.log(val));
-  // });
-
-  // it('rxjs zip', () => {
-  //   const sourceOne = of('Hello');
-  //   const sourceTwo = of('World!');
-  //   const sourceThree = of('Goodbye');
-  //   const sourceFour = of('World!');
-  //   // wait until all observables have emitted a value then emit all as an array
-  //   const example = zip(
-  //     sourceOne,
-  //     sourceTwo.pipe(delay(2000)),
-  //     sourceThree.pipe(delay(1000)),
-  //     sourceFour.pipe(delay(3000))
-  //   );
-  //   // output: ["Hello", "World!", "Goodbye", "World!"]
-  //   const subscribe = example.subscribe(val => console.log(val));
-  // });
-
-  it('rxjs zip', () => {
-    const switched = of(1, 2, 3).pipe(
-      switchMap((x: number) => {
-        console.log('x', x);
-        return of(x, x ** 2, x ** 3);
-      })
-    );
-    switched.subscribe(x => console.log(x));
-  });
 });