diff --git a/server/src/main/java/com/capstone/server/repository/SearchHistoryRepository.java b/server/src/main/java/com/capstone/server/repository/SearchHistoryRepository.java
index a09280717d..6ee3a21933 100644
--- a/server/src/main/java/com/capstone/server/repository/SearchHistoryRepository.java
+++ b/server/src/main/java/com/capstone/server/repository/SearchHistoryRepository.java
@@ -13,5 +13,7 @@ public interface SearchHistoryRepository extends JpaRepository<SearchHistoryEnti
 
     SearchHistoryEntity findFirstByMissingPeopleEntityIdAndStepOrderByCreatedAtAsc(Long missingPeopleEntityId, Step step);
 
+    SearchHistoryEntity findFirstByMissingPeopleEntityIdAndStepOrderByCreatedAtDesc(Long missingPeopleEntityId, Step step);
+
     SearchHistoryEntity findFirstByMissingPeopleEntityIdOrderByCreatedAtAsc(Long missingPeopleEntityId);
 }
diff --git a/server/src/main/java/com/capstone/server/service/DetectService.java b/server/src/main/java/com/capstone/server/service/DetectService.java
index 90161e458b..8b9d4d42e0 100644
--- a/server/src/main/java/com/capstone/server/service/DetectService.java
+++ b/server/src/main/java/com/capstone/server/service/DetectService.java
@@ -53,12 +53,11 @@ public class DetectService {
     //수정 완료.
     public FirstDetectionDataDto callFirstDetectAPI(Long id) throws CustomException {
         try {
-
             //과정1 : 실종자 id가 db에 있는지 확인합니다. (이건 수정해야될듯 (불필요한 db요청이 너무 많아지는거 같기도 함) todo : 리팩토링. 현재 너무 과도하게 데이터를 불러오고있음.
             MissingPeopleEntity missingPeople = missingPeopleRepository.findById(id)
                     .orElseThrow(() -> new NoSuchElementException("Missing person not found with ID: " + id));
             //해당 Id의 가장 최신 탐색기록을 가져와 요청 보낼 dto생성
-            SearchHistoryEntity searchHistoryEntity = searchHistoryRepository.findFirstByMissingPeopleEntityIdAndStepOrderByCreatedAtAsc(id, Step.fromValue("first"));
+            SearchHistoryEntity searchHistoryEntity = searchHistoryRepository.findFirstByMissingPeopleEntityIdAndStepOrderByCreatedAtDesc(id, Step.fromValue("first"));
             //과정2 : ai server요청에 쓸 dto를생성합니다
             FirstDetectionRequestDto firstDetectionRequestDto = FirstDetectionRequestDto.fromEntity(missingPeople, searchHistoryEntity);
             firstDetectionRequestDto.setCctvId(cctvService.findCCTVsNearbyLocationWithinDistance(searchHistoryEntity.getLongitude(), searchHistoryEntity.getLatitude(), searchHistoryEntity.getSearchRadius()));
diff --git a/server/src/main/java/com/capstone/server/service/SearchHistoryService.java b/server/src/main/java/com/capstone/server/service/SearchHistoryService.java
index d261695a44..2a61b9a2c6 100644
--- a/server/src/main/java/com/capstone/server/service/SearchHistoryService.java
+++ b/server/src/main/java/com/capstone/server/service/SearchHistoryService.java
@@ -84,8 +84,6 @@ public Long createSearchHistory(SearchRequestDto searchRequestDto, Long missingP
         SearchHistoryEntity searchHistoryEntity = searchRequestDto.toSearchHistoryEntity();
         searchHistoryEntity.setMissingPeopleEntity(missingPeopleEntity);
         searchHistoryEntity.setStep(step);
-        //실종자 step을 First로 설정
-        missingPeopleEntity.setStep(step);
         return searchHistoryRepository.save(searchHistoryEntity).getId();
     }