diff --git a/src/main/java/univ/yesummit/domain/comment/api/CommentController.java b/src/main/java/univ/yesummit/domain/comment/api/CommentController.java
index 70588de..84fcbb6 100644
--- a/src/main/java/univ/yesummit/domain/comment/api/CommentController.java
+++ b/src/main/java/univ/yesummit/domain/comment/api/CommentController.java
@@ -6,12 +6,14 @@
 import io.swagger.v3.oas.annotations.responses.ApiResponse;
 import lombok.RequiredArgsConstructor;
 import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
-import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.*;
 import univ.yesummit.domain.comment.api.dto.request.CommentSaveReqDto;
 import univ.yesummit.domain.comment.api.dto.request.CommentUpdateReqDto;
 import univ.yesummit.domain.comment.application.CommentService;
+import univ.yesummit.global.resolver.LoginUser;
+import univ.yesummit.global.resolver.User;
 
 @RestController
 @RequiredArgsConstructor
@@ -23,11 +25,11 @@ public class CommentController {
     @Operation(summary = "댓글 등록", description = "댓글을 등록합니다.")
     @ApiResponse(responseCode = "200", description = "댓글 등록 성공")
     @ApiResponse(responseCode = "401", description = "인증 실패", content = @Content(schema = @Schema(example = "INVALID_HEADER or INVALID_TOKEN")))
-    @PostMapping("/")
-    public ResponseEntity<String> commentSave(@AuthenticationPrincipal String email,
+    @PostMapping(value = "/", produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<String> commentSave(@User LoginUser loginUser,
                                               @RequestBody CommentSaveReqDto commentSaveReqDto) {
 
-        commentService.commentSave(email, commentSaveReqDto);
+        commentService.commentSave(loginUser.getMemberId(), commentSaveReqDto);
 
         String responseMessage = String.format("%d 게시글에 댓글이 등록되었습니다.", commentSaveReqDto.boardId());
         return ResponseEntity.status(HttpStatus.CREATED).body(responseMessage);
@@ -36,12 +38,12 @@ public ResponseEntity<String> commentSave(@AuthenticationPrincipal String email,
     @Operation(summary = "댓글 수정", description = "댓글을 수정합니다.")
     @ApiResponse(responseCode = "200", description = "댓글 수정 성공")
     @ApiResponse(responseCode = "401", description = "인증 실패", content = @Content(schema = @Schema(example = "INVALID_HEADER or INVALID_TOKEN")))
-    @PutMapping("/{commentId}")
-    public ResponseEntity<String> commentUpdate(@AuthenticationPrincipal String email,
+    @PutMapping(value = "/{commentId}", produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<String> commentUpdate(@User LoginUser loginUser,
                                                 @PathVariable("commentId") Long commentId,
                                                 @RequestBody CommentUpdateReqDto commentUpdateReqDto) {
 
-        commentService.commentUpdate(email, commentId, commentUpdateReqDto);
+        commentService.commentUpdate(loginUser.getMemberId(), commentId, commentUpdateReqDto);
 
         String responseMessage = String.format("%d 게시글의 댓글이 수정돠었습니다.", commentId);
         return ResponseEntity.status(HttpStatus.OK).body(responseMessage);
@@ -50,10 +52,10 @@ public ResponseEntity<String> commentUpdate(@AuthenticationPrincipal String emai
     @Operation(summary = "댓글 삭제", description = "댓글을 삭제합니다.")
     @ApiResponse(responseCode = "200", description = "댓글 삭제 성공")
     @ApiResponse(responseCode = "401", description = "인증 실패", content = @Content(schema = @Schema(example = "INVALID_HEADER or INVALID_TOKEN")))
-    @DeleteMapping("/{commentId}")
-    public ResponseEntity<String> commentDelete(@AuthenticationPrincipal String email,
+    @DeleteMapping(value = "/{commentId}", produces = MediaType.APPLICATION_JSON_VALUE)
+    public ResponseEntity<String> commentDelete(@User LoginUser loginUser,
                                                 @PathVariable("commentId") Long commentId) {
-        commentService.commentDelete(email, commentId);
+        commentService.commentDelete(loginUser.getMemberId(), commentId);
 
         String responseMessage = String.format("%d 게시글의 댓글이 삭제되었습니다.", commentId);
         return ResponseEntity.status(HttpStatus.OK).body(responseMessage);
diff --git a/src/main/java/univ/yesummit/domain/comment/application/CommentService.java b/src/main/java/univ/yesummit/domain/comment/application/CommentService.java
index d9d53f8..42bfac1 100644
--- a/src/main/java/univ/yesummit/domain/comment/application/CommentService.java
+++ b/src/main/java/univ/yesummit/domain/comment/application/CommentService.java
@@ -24,8 +24,8 @@ public class CommentService {
 
     // 댓글 저장
     @Transactional
-    public void commentSave(String email, CommentSaveReqDto commentSaveReqDto) {
-        Member member = memberRepository.findByEmail(email)
+    public void commentSave(Long id, CommentSaveReqDto commentSaveReqDto) {
+        Member member = memberRepository.findById(id)
                 .orElseThrow(() -> new IllegalArgumentException("회원이 존재하지 않습니다."));
 
         Board board = boardRepository.findById(commentSaveReqDto.boardId())
@@ -36,8 +36,8 @@ public void commentSave(String email, CommentSaveReqDto commentSaveReqDto) {
 
     // 댓글 수정
     @Transactional
-    public CommentInfoResDto commentUpdate(String email, Long commentId, CommentUpdateReqDto commentUpdateReqDto){
-        Member member = memberRepository.findByEmail(email)
+    public CommentInfoResDto commentUpdate(Long id, Long commentId, CommentUpdateReqDto commentUpdateReqDto){
+        Member member = memberRepository.findById(id)
                 .orElseThrow(() -> new IllegalArgumentException("회원이 존재하지 않습니다."));
 
         Comment comment = commentRepository.findById(commentId)
@@ -52,8 +52,8 @@ public CommentInfoResDto commentUpdate(String email, Long commentId, CommentUpda
 
     // 댓글 삭제
     @Transactional
-    public void commentDelete(String email, Long commentId) {
-        Member member = memberRepository.findByEmail(email)
+    public void commentDelete(Long id, Long commentId) {
+        Member member = memberRepository.findById(id)
                 .orElseThrow(() -> new IllegalArgumentException("회원이 존재하지 않습니다."));
 
         Comment comment = commentRepository.findById(commentId)