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 161d4f12..a8e7a3c3 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
@@ -272,6 +272,7 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
         if (
           !this.roomInfoSubject.value ||
           (!!this.roomInfoSubject.value &&
+            !!roomInfo &&
             this.roomInfoSubject.value.roomSeq !== roomInfo.roomSeq)
         ) {
           this.clearView();
diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/status/effects.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/status/effects.ts
index 8e5f48fb..f672ba82 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/status/effects.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/status/effects.ts
@@ -17,7 +17,14 @@ import {
   messageUpdate,
   messageUpdateFailure
 } from './actions';
-import { tap, switchMap, map, catchError, exhaustMap } from 'rxjs/operators';
+import {
+  tap,
+  switchMap,
+  map,
+  catchError,
+  exhaustMap,
+  delay
+} from 'rxjs/operators';
 import {
   StatusProtocolService,
   SSVC_TYPE_STATUS_BULK_INFO_DATA,
@@ -120,14 +127,20 @@ export class Effects {
     )
   );
 
-  myStatusCheck$ = createEffect(() =>
-    this.actions$.pipe(
-      ofType(AuthStore.loginSuccess),
-      map(action => action.loginRes),
-      map(loginRes => {
-        return bulkInfo({ divCd: 'bulk', userSeqs: [loginRes.userSeq] });
-      })
-    )
+  myStatusCheck$ = createEffect(
+    () =>
+      this.actions$.pipe(
+        ofType(AuthStore.loginSuccess),
+        map(action => action.loginRes),
+        delay(5000),
+        tap(loginRes => {
+          this.store.dispatch(
+            bulkInfo({ divCd: 'mybulk', userSeqs: [loginRes.userSeq] })
+          );
+          // return bulkInfo({ divCd: 'bulk', userSeqs: [loginRes.userSeq] });
+        })
+      ),
+    { dispatch: false }
   );
 
   constructor(
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 c5e56161..5f82ee8c 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
@@ -181,7 +181,11 @@ export class MessagesComponent implements OnInit, OnDestroy {
       this.existReadToHereEvent = true;
       /** [E] initializing by changed room */
 
-      if (this.roomInfo.roomSeq !== roomInfo.roomSeq) {
+      if (
+        !!this.roomInfo &&
+        !!roomInfo &&
+        this.roomInfo.roomSeq !== roomInfo.roomSeq
+      ) {
         this.initEventMore();
       }
     });