diff --git a/src/main/java/umc/kkijuk/server/introduce/controller/response/FindIntroduceResponse.java b/src/main/java/umc/kkijuk/server/introduce/controller/response/FindIntroduceResponse.java
index 85a159b..8846e26 100644
--- a/src/main/java/umc/kkijuk/server/introduce/controller/response/FindIntroduceResponse.java
+++ b/src/main/java/umc/kkijuk/server/introduce/controller/response/FindIntroduceResponse.java
@@ -16,10 +16,15 @@ public class FindIntroduceResponse implements SearchResultResponse {
     private Long introId;
     private String title;
     private String content;
-    private LocalDate createdDate;
+    private LocalDate updatedDate;
+
+//    @Override
+//    public LocalDate getCreatedDate() {
+//        return createdDate;
+//    }
 
     @Override
-    public LocalDate getCreatedDate() {
-        return createdDate;
+    public LocalDate getUpdatedDate() {
+        return updatedDate;
     }
 }
diff --git a/src/main/java/umc/kkijuk/server/introduce/controller/response/FindMasterIntroduceResponse.java b/src/main/java/umc/kkijuk/server/introduce/controller/response/FindMasterIntroduceResponse.java
index dcf377a..d67813a 100644
--- a/src/main/java/umc/kkijuk/server/introduce/controller/response/FindMasterIntroduceResponse.java
+++ b/src/main/java/umc/kkijuk/server/introduce/controller/response/FindMasterIntroduceResponse.java
@@ -16,10 +16,17 @@ public class FindMasterIntroduceResponse implements SearchResultResponse {
     private Long masterIntroId;
     private String title;
     private String content;
-    private LocalDate createdDate;
+    private LocalDate updatedDate;
+
+//    @Override
+//    public LocalDate getCreatedDate() {
+//        return createdDate;
+//    }
 
     @Override
-    public LocalDate getCreatedDate() {
-        return createdDate;
+    public LocalDate getUpdatedDate() {
+        return updatedDate;
     }
+
+
 }
diff --git a/src/main/java/umc/kkijuk/server/introduce/controller/response/SearchResultResponse.java b/src/main/java/umc/kkijuk/server/introduce/controller/response/SearchResultResponse.java
index 7e8d7d7..1ef05e4 100644
--- a/src/main/java/umc/kkijuk/server/introduce/controller/response/SearchResultResponse.java
+++ b/src/main/java/umc/kkijuk/server/introduce/controller/response/SearchResultResponse.java
@@ -3,5 +3,6 @@
 import java.time.LocalDate;
 
 public interface SearchResultResponse {
-    LocalDate getCreatedDate();
+//    LocalDate getCreatedDate();
+    LocalDate getUpdatedDate();
 }
diff --git a/src/main/java/umc/kkijuk/server/introduce/repository/IntroduceRepository.java b/src/main/java/umc/kkijuk/server/introduce/repository/IntroduceRepository.java
index 8248c71..ba786cd 100644
--- a/src/main/java/umc/kkijuk/server/introduce/repository/IntroduceRepository.java
+++ b/src/main/java/umc/kkijuk/server/introduce/repository/IntroduceRepository.java
@@ -19,7 +19,13 @@ public interface IntroduceRepository extends JpaRepository<Introduce, Long> {
     Page<Introduce> findActiveIntroduces(@Param("memberId") Long memberId, @Param("state") int state, Pageable pageable);
 
 
-    @Query("SELECT i FROM Introduce i JOIN FETCH i.questions q WHERE i.memberId = :memberId AND q.content LIKE %:keyword%")
+    @Query("""
+    SELECT DISTINCT i
+    FROM Introduce i
+    JOIN FETCH i.questions q
+    WHERE i.memberId = :memberId
+      AND LOWER(CAST(q.content AS string)) LIKE CONCAT('%', LOWER(:keyword), '%')
+    """)
     List<Introduce> searchIntroduceByKeywordForMember(@Param("keyword") String keyword, @Param("memberId") Long memberId);
 
 
diff --git a/src/main/java/umc/kkijuk/server/introduce/repository/MasterIntroduceRepository.java b/src/main/java/umc/kkijuk/server/introduce/repository/MasterIntroduceRepository.java
index cb4ccff..7eaf030 100644
--- a/src/main/java/umc/kkijuk/server/introduce/repository/MasterIntroduceRepository.java
+++ b/src/main/java/umc/kkijuk/server/introduce/repository/MasterIntroduceRepository.java
@@ -12,7 +12,13 @@
 public interface MasterIntroduceRepository extends JpaRepository<MasterIntroduce, Long> {
     Optional<MasterIntroduce> findByMemberId(Long memberId);
 
-    @Query("SELECT DISTINCT m FROM MasterIntroduce m JOIN FETCH m.masterQuestion q WHERE m.memberId = :memberId AND q.content LIKE %:keyword%")
+    @Query("""
+    SELECT DISTINCT m
+    FROM MasterIntroduce m
+    JOIN FETCH m.masterQuestion q
+    WHERE m.memberId = :memberId
+      AND LOWER(CAST(q.content AS string)) LIKE CONCAT('%', LOWER(:keyword), '%')
+    """)
     List<MasterIntroduce> searchMasterIntroduceByKeywordForMember(@Param("keyword") String keyword, @Param("memberId") Long memberId);
 
 }
diff --git a/src/main/java/umc/kkijuk/server/introduce/service/IntroduceServiceImpl.java b/src/main/java/umc/kkijuk/server/introduce/service/IntroduceServiceImpl.java
index b488f25..d6d9945 100644
--- a/src/main/java/umc/kkijuk/server/introduce/service/IntroduceServiceImpl.java
+++ b/src/main/java/umc/kkijuk/server/introduce/service/IntroduceServiceImpl.java
@@ -269,48 +269,44 @@ public Long deleteIntro(Member requestMember, Long introId, Long recruitId) {
 
     @Override
     public Map<String, Object> searchIntroduceAndMasterByKeyword(String keyword, Member requestMember) {
-        // Introduce 검색
-        List<FindIntroduceResponse> introduceList = introduceRepository.searchIntroduceByKeywordForMember(keyword, requestMember.getId())
-                .stream()
-                .flatMap(introduce -> introduce.getQuestions().stream()
-                        .filter(q -> q.getContent().contains(keyword)) // ✨ filter 먼저 적용
-                        .map(q -> FindIntroduceResponse.builder()
-                                .introId(introduce.getId())
-                                .title(introduce.getRecruit().getTitle())
-                                .content(q.getContent())
-                                .createdDate(introduce.getCreatedAt().toLocalDate())
-                                .build()))
-                .collect(Collectors.toList());
 
-        // MasterIntroduce 검색
-        List<FindMasterIntroduceResponse> masterIntroduceList = masterIntroduceRepository.searchMasterIntroduceByKeywordForMember(keyword, requestMember.getId())
-                .stream()
-                .flatMap(masterIntroduce -> masterIntroduce.getMasterQuestion().stream()
-                        .filter(mq -> mq.getContent().contains(keyword)) // ✨ filter 먼저 적용
-                        .map(mq -> FindMasterIntroduceResponse.builder()
-                                .masterIntroId(masterIntroduce.getId())
-                                .title("Master")
-                                .content(mq.getContent())
-                                .createdDate(masterIntroduce.getCreatedAt().toLocalDate())
-                                .build()))
-                .collect(Collectors.toList());
-
-        // 공통 결과로 합치기 + 정렬 (최신순)
+        List<FindIntroduceResponse> introduceList =
+                introduceRepository.searchIntroduceByKeywordForMember(keyword, requestMember.getId())
+                        .stream()
+                        .flatMap(introduce -> introduce.getQuestions().stream()
+                                .map(q -> FindIntroduceResponse.builder()
+                                        .introId(introduce.getId())
+                                        .title(introduce.getRecruit().getTitle())
+                                        .content(q.getContent())
+                                        .updatedDate(introduce.getUpdatedAt().toLocalDate())
+                                        .build()))
+                        .collect(Collectors.toList());
+
+        List<FindMasterIntroduceResponse> masterIntroduceList =
+                masterIntroduceRepository.searchMasterIntroduceByKeywordForMember(keyword, requestMember.getId())
+                        .stream()
+                        .flatMap(masterIntroduce -> masterIntroduce.getMasterQuestion().stream()
+                                .map(mq -> FindMasterIntroduceResponse.builder()
+                                        .masterIntroId(masterIntroduce.getId())
+                                        .title("Master")
+                                        .content(mq.getContent())
+                                        .updatedDate(masterIntroduce.getUpdatedAt().toLocalDate())
+                                        .build()))
+                        .collect(Collectors.toList());
+
+        // 합치기 + 최신순 정렬
         List<SearchResultResponse> result = new ArrayList<>();
         result.addAll(masterIntroduceList);
         result.addAll(introduceList);
 
-        result.sort(Comparator.comparing(SearchResultResponse::getCreatedDate).reversed()); // 최신순 정렬
+        result.sort(Comparator.comparing(SearchResultResponse::getUpdatedDate).reversed());
 
-        // 응답 반환
         Map<String, Object> response = new LinkedHashMap<>();
         response.put("count", result.size());
         response.put("data", result);
-
         return response;
     }
 
-
     @Override
     @Transactional
     public Introduce findByRecruitId(Long recruitId) {