diff --git a/projects/ucap-webmessenger-app/src/app/store/messenger/sync/effects.ts b/projects/ucap-webmessenger-app/src/app/store/messenger/sync/effects.ts
index d4a27c30..7e3ada7a 100644
--- a/projects/ucap-webmessenger-app/src/app/store/messenger/sync/effects.ts
+++ b/projects/ucap-webmessenger-app/src/app/store/messenger/sync/effects.ts
@@ -223,50 +223,55 @@ export class Effects {
                 case SSVC_TYPE_SYNC_ROOM_USER:
                   {
                     const roomUserData = res as RoomUserData;
-                    if (
-                      roomList.length > 0 &&
-                      roomList.filter(r => r.roomSeq === roomUserData.roomSeq)
-                        .length > 0
-                    ) {
-                      if (!roomUserInfoMap[roomUserData.roomSeq]) {
-                        roomUserInfoMap[roomUserData.roomSeq] = {
-                          userInfoList: [],
-                          userInfoShortList: []
-                        };
-                      }
-                      roomUserInfoMap[
-                        roomUserData.roomSeq
-                      ].userInfoShortList.push(...roomUserData.userInfos);
+                    if (!roomUserInfoMap[roomUserData.roomSeq]) {
+                      roomUserInfoMap[roomUserData.roomSeq] = {
+                        userInfoList: [],
+                        userInfoShortList: []
+                      };
                     }
+                    roomUserInfoMap[
+                      roomUserData.roomSeq
+                    ].userInfoShortList.push(...roomUserData.userInfos);
                   }
                   break;
                 case SSVC_TYPE_SYNC_ROOM_USER2:
                   {
                     const roomUserDetailData = res as RoomUserDetailData;
-                    if (
-                      roomList.length > 0 &&
-                      roomList.filter(
-                        r => r.roomSeq === roomUserDetailData.roomSeq
-                      ).length > 0
-                    ) {
-                      if (!roomUserInfoMap[roomUserDetailData.roomSeq]) {
-                        roomUserInfoMap[roomUserDetailData.roomSeq] = {
-                          userInfoList: [],
-                          userInfoShortList: []
-                        };
-                      }
-                      roomUserInfoMap[
-                        roomUserDetailData.roomSeq
-                      ].userInfoList.push(...roomUserDetailData.userInfos);
+                    if (!roomUserInfoMap[roomUserDetailData.roomSeq]) {
+                      roomUserInfoMap[roomUserDetailData.roomSeq] = {
+                        userInfoList: [],
+                        userInfoShortList: []
+                      };
                     }
+                    roomUserInfoMap[
+                      roomUserDetailData.roomSeq
+                    ].userInfoList.push(...roomUserDetailData.userInfos);
                   }
                   break;
                 case SSVC_TYPE_SYNC_ROOM_RES:
                   {
+                    const tmpRoomUserInfoMap: {
+                      [param: string]: {
+                        userInfoShortList: UserInfoShort[];
+                        userInfoList: RoomUserInfo[];
+                      };
+                    } = {};
+
+                    roomList.forEach(roomInfo => {
+                      for (const key in roomUserInfoMap) {
+                        if (
+                          key === roomInfo.roomSeq &&
+                          roomUserInfoMap.hasOwnProperty(key)
+                        ) {
+                          tmpRoomUserInfoMap[key] = roomUserInfoMap[key];
+                        }
+                      }
+                    });
+
                     this.store.dispatch(
                       roomSuccess({
                         roomList,
-                        roomUserInfoMap,
+                        roomUserInfoMap: tmpRoomUserInfoMap,
                         syncDate: (res as RoomResponse).syncDate
                       })
                     );