diff --git a/src/main/java/com/unit/daybook/domain/board/service/BoardService.java b/src/main/java/com/unit/daybook/domain/board/service/BoardService.java
index 52007ae..2b9aaa6 100644
--- a/src/main/java/com/unit/daybook/domain/board/service/BoardService.java
+++ b/src/main/java/com/unit/daybook/domain/board/service/BoardService.java
@@ -72,27 +72,15 @@ public FindBoardListResponse getMyBoards(Long memberId) {
 
     public List<BoardResponseDto> getRandomBoards(Long memberId) {
         List<BoardResponseDto> result = getTodayBoardByMemberId(memberId);
-        if (result.size() < 3) {
-            List<Board> boards = getCurrentBoards(memberId);
-            // read-board 에도 적재
-            Member member = memberRepository
-                .findById(memberId)
-                .orElseThrow(() -> new CustomException(ErrorCode.MEMBER_NOT_FOUND));
-            readBoardRepository.save(ReadBoard.createReadBoard(member, boards.get(0)));
-            readBoardRepository.save(ReadBoard.createReadBoard(member, boards.get(1)));
-            readBoardRepository.save(ReadBoard.createReadBoard(member, boards.get(2)));
-            result = boards.stream()
-                    .map(BoardResponseDto::from)
-                    .toList();
+        if (result.size() == 3) {
+            return result;
         }
         result = new ArrayList<>();
         List<Board> boards = getCurrentBoards(memberId);
         // read-board 에도 적재
-        Member member = memberRepository
-            .findById(memberId)
-            .orElseThrow(() -> new CustomException(ErrorCode.MEMBER_NOT_FOUND));
+        Member member = memberRepository.findById(memberId).orElseThrow(() -> new RuntimeException(memberId + "not found"));
         int toSave = 3 - result.size();
-        for (int i = 0 ; i < toSave; i++) {
+        for (int i =0 ; i<toSave; i++) {
             ReadBoard entity = ReadBoard.createReadBoard(member, boards.get(i));
             result.add(BoardResponseDto.from(boards.get(i)));
             readBoardRepository.save(entity);