diff --git a/server/src/main/java/com/capstone/server/controller/GuardianController.java b/server/src/main/java/com/capstone/server/controller/GuardianController.java
index e64ddb1909..dcc1abf933 100644
--- a/server/src/main/java/com/capstone/server/controller/GuardianController.java
+++ b/server/src/main/java/com/capstone/server/controller/GuardianController.java
@@ -1,9 +1,11 @@
 package com.capstone.server.controller;
 
+import com.capstone.server.code.ErrorCode;
 import com.capstone.server.dto.KafkaDto;
 import com.capstone.server.dto.SearchRequestDto;
 import com.capstone.server.dto.detection.DetectionResultDto;
 import com.capstone.server.dto.guardian.BetweenRequestDto;
+import com.capstone.server.exception.CustomException;
 import com.capstone.server.model.enums.SearchResultSortBy;
 import com.capstone.server.model.enums.Step;
 import com.capstone.server.response.SuccessResponse;
@@ -79,10 +81,10 @@ public ResponseEntity<?> uploadBetweenResult(
             @RequestBody BetweenRequestDto betweenRequestDto) {
         Long id = encryptionService.extractIdFromToken(authorization);
 //        between 단계가 아니면 요청을 보낼 수 없음. 현재 테스트를 위해 빼놓은 상태
-//        Step step = guardianService.getStep(id).getStep();
-//        if (step.equals(Step.fromValue("between"))) {
-//            throw new CustomException(ErrorCode.BAD_REQUEST, "invalid step", "can't request step");
-//        }
+        Step stepCheck = missingPeopleService.getStep(id, false).getStep();
+        if (!stepCheck.equals(Step.fromValue("between"))) {
+            throw new CustomException(ErrorCode.BAD_REQUEST, "invalid step", "can't request step");
+        }
         //상화작용 단계 결과 db저장
         guardianService.postBetween(id, betweenRequestDto);
 
@@ -93,8 +95,8 @@ public ResponseEntity<?> uploadBetweenResult(
 
         //2차탐색 시작
         KafkaDto kafkaDto = KafkaDto.toKafkaDto(id, betweenRequestDto, searchId);
-         kafkaProducerService.startCallSecondDetectApiToKafka(kafkaDto);
-         
+        kafkaProducerService.startCallSecondDetectApiToKafka(kafkaDto);
+
         //사진을 업로드하면 바로 2차탐색하게 구현하기
         return ResponseEntity.ok().body(new SuccessResponse("success"));
     }
diff --git a/server/src/main/java/com/capstone/server/service/GuardianService.java b/server/src/main/java/com/capstone/server/service/GuardianService.java
index 88fc221458..c75e68dbdc 100644
--- a/server/src/main/java/com/capstone/server/service/GuardianService.java
+++ b/server/src/main/java/com/capstone/server/service/GuardianService.java
@@ -40,7 +40,7 @@ public MissingPeopleForGuardianDto getMissingPeople(Long id) {
     public void postBetween(Long id, BetweenRequestDto betweenRequestDto) {
         try {
             MissingPeopleEntity missingPeopleEntity = missingPeopleRepository.findById(id)
-                    .orElseThrow(() -> new NoSuchElementException("Missing person not found with ID: " + id));
+                    .orElseThrow(() -> new NoSuchElementException("Missing person not found with ID " ));
             SearchResultEntity searchResultEntity = null;
             for (Long resultId : betweenRequestDto.getResultIds()) { //TODO : 반복문을 돌며 저장해 db호출이 너무많음. //유효성검사도 더 해야될듯
                 searchResultEntity = searchResultRepository.findById(resultId)