diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/room/reducers.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/room/reducers.ts
index bba3bec5..2c03709e 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/room/reducers.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/room/reducers.ts
@@ -72,6 +72,11 @@ export const reducer = createReducer(
 
   on(updateSuccess, (state, action) => {
     const curRoomInfo = state.roomInfo;
+
+    if (!curRoomInfo) {
+      return { ...state };
+    }
+
     let roomName = curRoomInfo.roomName;
     let receiveAlarm = curRoomInfo.receiveAlarm;