diff --git a/src/main/java/KGUcapstone/OutDecision/domain/comments/service/CommentsService.java b/src/main/java/KGUcapstone/OutDecision/domain/comments/service/CommentsService.java
index e05074e8..66701242 100644
--- a/src/main/java/KGUcapstone/OutDecision/domain/comments/service/CommentsService.java
+++ b/src/main/java/KGUcapstone/OutDecision/domain/comments/service/CommentsService.java
@@ -10,6 +10,8 @@
 import KGUcapstone.OutDecision.domain.user.domain.Member;
 import KGUcapstone.OutDecision.domain.user.repository.MemberRepository;
 import KGUcapstone.OutDecision.domain.user.service.FindMemberService;
+import KGUcapstone.OutDecision.global.error.exception.handler.MemberHandler;
+import KGUcapstone.OutDecision.global.error.status.ErrorStatus;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -41,16 +43,24 @@ public Comments save(Long id, CommentsRequestDto dto) {
 
             return comment;
         } else {
-            throw new RuntimeException("User not found");
+            throw new MemberHandler(ErrorStatus.MEMBER_NOT_FOUND);
         }
     }
 
 
     @Transactional
     public void delete(Long postsId, Long commentsId) {
+        Optional<Member> memberOptional = findMemberService.findLoginMember();
+        Long memberId;
+        // 로그인 체크
+        if(memberOptional.isPresent()) memberId = memberOptional.get().getId();
+        else throw new MemberHandler(ErrorStatus.MEMBER_NOT_FOUND);
+
         Comments comments = commentsRepository.findByPostIdAndId(postsId, commentsId).orElseThrow(() ->
                 new IllegalArgumentException("해당 댓글이 존재하지 않습니다. commentsId=" + commentsId));
 
+        if (!memberId.equals(comments.getMember().getId())) throw new IllegalArgumentException("Bad Request");
+
         commentsRepository.delete(comments);
     }
 
diff --git a/src/main/java/KGUcapstone/OutDecision/domain/post/service/PostServiceImpl.java b/src/main/java/KGUcapstone/OutDecision/domain/post/service/PostServiceImpl.java
index 94e7f8a2..e846f48a 100644
--- a/src/main/java/KGUcapstone/OutDecision/domain/post/service/PostServiceImpl.java
+++ b/src/main/java/KGUcapstone/OutDecision/domain/post/service/PostServiceImpl.java
@@ -20,6 +20,7 @@
 import KGUcapstone.OutDecision.domain.user.service.S3Service;
 import KGUcapstone.OutDecision.domain.vote.domain.Vote;
 import KGUcapstone.OutDecision.domain.vote.repository.VoteRepository;
+import KGUcapstone.OutDecision.global.error.exception.handler.MemberHandler;
 import KGUcapstone.OutDecision.global.error.exception.handler.PostHandler;
 import KGUcapstone.OutDecision.global.error.status.ErrorStatus;
 import lombok.RequiredArgsConstructor;
@@ -53,7 +54,7 @@ public boolean uploadPost(UploadPostDTO request, List<String> optionNames, List<
         Member member;
         // 로그인 체크
         if(memberOptional.isPresent()) member = memberOptional.get();
-        else return false;
+        else throw new MemberHandler(ErrorStatus.MEMBER_NOT_FOUND);
 
         Post post = Post.builder()
                 .title(request.getTitle())
@@ -106,9 +107,6 @@ public boolean uploadPost(UploadPostDTO request, List<String> optionNames, List<
         return true;
     }
 
-
-
-
     /* 조회 */
     @Override
     public PostDTO viewPost(Long postId) {
@@ -116,7 +114,7 @@ public PostDTO viewPost(Long postId) {
         Long memberId;
         // 로그인 체크
         if(memberOptional.isPresent()) memberId = memberOptional.get().getId();
-        else memberId = 0L;
+        else throw new MemberHandler(ErrorStatus.MEMBER_NOT_FOUND);
 
         Post post = postRepository.findById(postId)
                 .orElseThrow(() -> new PostHandler(ErrorStatus.POST_NOT_FOUND));
@@ -169,7 +167,12 @@ public PostDTO viewPost(Long postId) {
     @Override
     public boolean updatePost(Long postId, UploadPostDTO request, List<String> optionNames,
                               List<MultipartFile> optionImages, List<String> originImages) {
-        Long memberId = 2024L;
+        Optional<Member> memberOptional = findMemberService.findLoginMember();
+        Long memberId;
+        // 로그인 체크
+        if(memberOptional.isPresent()) memberId = memberOptional.get().getId();
+        else throw new MemberHandler(ErrorStatus.MEMBER_NOT_FOUND);
+
         Post post = postRepository.findById(postId)
                 .orElseThrow(() -> new PostHandler(ErrorStatus.POST_NOT_FOUND));
         if (!memberId.equals(post.getMember().getId())) return false;
@@ -230,9 +233,15 @@ public boolean updatePost(Long postId, UploadPostDTO request, List<String> optio
     /* 삭제 */
     @Override
     public boolean deletePost(Long postId) {
-        Long memberId = 2024L;
+        Optional<Member> memberOptional = findMemberService.findLoginMember();
+        Long memberId;
+        // 로그인 체크
+        if(memberOptional.isPresent()) memberId = memberOptional.get().getId();
+        else throw new MemberHandler(ErrorStatus.MEMBER_NOT_FOUND);
+
         Post post = postRepository.findById(postId)
                 .orElseThrow(() -> new PostHandler(ErrorStatus.POST_NOT_FOUND));
+
         if (!memberId.equals(post.getMember().getId())) {
             return false;
         }
diff --git a/src/main/java/KGUcapstone/OutDecision/global/common/util/JwtUtil.java b/src/main/java/KGUcapstone/OutDecision/global/common/util/JwtUtil.java
index 175a2aef..6476026f 100644
--- a/src/main/java/KGUcapstone/OutDecision/global/common/util/JwtUtil.java
+++ b/src/main/java/KGUcapstone/OutDecision/global/common/util/JwtUtil.java
@@ -66,8 +66,8 @@ public String generateRefreshToken(String email, String role) {
 
 
     public String generateAccessToken(String email, String role) {
-        long tokenPeriod = 1000L * 60L * 30L; // 30분
-//        long tokenPeriod = 1000L * 10L;
+//        long tokenPeriod = 1000L * 60L * 30L; // 30분
+        long tokenPeriod = 1000L * 10L;
         Claims claims = Jwts.claims().setSubject(email);
         claims.put("role", role);