diff --git a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/controller/RecruitmentController.java b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/controller/RecruitmentController.java
index 960cc5d..2b90c10 100644
--- a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/controller/RecruitmentController.java
+++ b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/controller/RecruitmentController.java
@@ -46,8 +46,11 @@ public ApiResponse<RecruitmentDetailResponse> createRecruitment(
 
     // 모집글 상세 조회
     @GetMapping("/{recruitmentId}")
-    public ApiResponse<RecruitmentDetailResponse> recruitmentDetailInfo(@PathVariable Long recruitmentId) {
-        return recruitmentService.getRecruitment(recruitmentId);
+    public ApiResponse<RecruitmentDetailResponse> recruitmentDetailInfo(
+            @LoginUser Users loginUser,
+            @PathVariable Long recruitmentId
+    ) {
+        return recruitmentService.getRecruitment(recruitmentId, loginUser);
     }
 
     // 모집글 수정
diff --git a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/dto/response/CommentResponse.java b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/dto/response/CommentResponse.java
index fd254f1..00c4385 100644
--- a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/dto/response/CommentResponse.java
+++ b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/dto/response/CommentResponse.java
@@ -11,6 +11,8 @@ public class CommentResponse {
 
     private Long commentId;
 
+    private Long authorId;
+
     private String authorName;
 
     private String content;
@@ -20,8 +22,9 @@ public class CommentResponse {
     private LocalDateTime updatedAt;
 
     @Builder
-    private CommentResponse(Long commentId, String authorName, String content, LocalDateTime createdAt, LocalDateTime updatedAt) {
+    private CommentResponse(Long commentId, Long authorId, String authorName, String content, LocalDateTime createdAt, LocalDateTime updatedAt) {
         this.commentId = commentId;
+        this.authorId = authorId;
         this.authorName = authorName;
         this.content = content;
         this.createdAt = createdAt;
@@ -31,6 +34,7 @@ private CommentResponse(Long commentId, String authorName, String content, Local
     public static CommentResponse of(Comment comment) {
         return CommentResponse.builder()
                 .commentId(comment.getCommentId())
+                .authorId(comment.getAuthor().getUserId())
                 .authorName(comment.getAuthor().getName())
                 .authorName(comment.getAuthor().getName())
                 .content(comment.getContent())
diff --git a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/dto/response/RecruitmentDetailResponse.java b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/dto/response/RecruitmentDetailResponse.java
index 083fe2a..2459ca3 100644
--- a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/dto/response/RecruitmentDetailResponse.java
+++ b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/dto/response/RecruitmentDetailResponse.java
@@ -3,6 +3,7 @@
 import MathCaptain.weakness.domain.Group.enums.CategoryStatus;
 import MathCaptain.weakness.domain.Recruitment.entity.Recruitment;
 import MathCaptain.weakness.domain.Recruitment.enums.RecruitmentStatus;
+import MathCaptain.weakness.domain.User.entity.Users;
 import lombok.*;
 
 import java.time.LocalDateTime;
@@ -34,10 +35,12 @@ public class RecruitmentDetailResponse {
 
     private List<CommentResponse> comments;
 
+    private boolean isAuthor;
+
     @Builder
     private RecruitmentDetailResponse(Long authorId, Long recruitGroupId, String authorName, String recruitGroupName, String title,
                                       CategoryStatus category, String content, RecruitmentStatus recruitmentStatus,
-                                      LocalDateTime createdAt, LocalDateTime updatedAt, List<CommentResponse> comments) {
+                                      LocalDateTime createdAt, LocalDateTime updatedAt, List<CommentResponse> comments, boolean isAuthor) {
         this.authorId = authorId;
         this.recruitGroupId = recruitGroupId;
         this.authorName = authorName;
@@ -49,9 +52,10 @@ private RecruitmentDetailResponse(Long authorId, Long recruitGroupId, String aut
         this.createdAt = createdAt;
         this.updatedAt = updatedAt;
         this.comments = comments;
+        this.isAuthor = isAuthor;
     }
 
-    public static RecruitmentDetailResponse of(Recruitment recruitment, List<CommentResponse> comments) {
+    public static RecruitmentDetailResponse of(Recruitment recruitment, List<CommentResponse> comments, Users loginUser) {
         return RecruitmentDetailResponse.builder()
                 .authorId(recruitment.getAuthor().getUserId())
                 .recruitGroupId(recruitment.getRecruitGroup().getId())
@@ -64,6 +68,7 @@ public static RecruitmentDetailResponse of(Recruitment recruitment, List<Comment
                 .createdAt(recruitment.getPostTime())
                 .updatedAt(recruitment.getLastModifiedTime())
                 .comments(comments)
+                .isAuthor(recruitment.getAuthor().getUserId().equals(loginUser.getUserId()))
                 .build();
     }
 }
diff --git a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/dto/response/RecruitmentResponse.java b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/dto/response/RecruitmentResponse.java
index 9f1a96f..6f4bea7 100644
--- a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/dto/response/RecruitmentResponse.java
+++ b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/dto/response/RecruitmentResponse.java
@@ -11,6 +11,8 @@
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class RecruitmentResponse {
 
+    private Long recruitmentId;
+
     private String authorName;
 
     private String recruitGroupName;
@@ -28,9 +30,10 @@ public class RecruitmentResponse {
     private LocalDateTime updatedAt;
 
     @Builder
-    private RecruitmentResponse(String authorName, String recruitGroupName, String title,
+    private RecruitmentResponse(Long recruitmentId, String authorName, String recruitGroupName, String title,
                                 CategoryStatus category, String content, RecruitmentStatus recruitmentStatus,
                                 LocalDateTime createdAt, LocalDateTime updatedAt) {
+        this.recruitmentId = recruitmentId;
         this.authorName = authorName;
         this.recruitGroupName = recruitGroupName;
         this.title = title;
@@ -43,6 +46,7 @@ private RecruitmentResponse(String authorName, String recruitGroupName, String t
 
     public static RecruitmentResponse of(Recruitment recruitment) {
         return RecruitmentResponse.builder()
+                .recruitmentId(recruitment.getId())
                 .authorName(recruitment.getAuthor().getName())
                 .recruitGroupName(recruitment.getRecruitGroup().getName())
                 .title(recruitment.getTitle())
diff --git a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/entity/Comment.java b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/entity/Comment.java
index 0145c9f..dd2c9c2 100644
--- a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/entity/Comment.java
+++ b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/entity/Comment.java
@@ -63,6 +63,6 @@ public void updateComment(UpdateCommentRequest updateRequest) {
     }
 
     public Boolean isBelongToPost(Long recruitmentId) {
-        return this.post.getPostId().equals(recruitmentId);
+        return this.post.getId().equals(recruitmentId);
     }
 }
diff --git a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/entity/Recruitment.java b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/entity/Recruitment.java
index ba71d36..8f907b4 100644
--- a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/entity/Recruitment.java
+++ b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/entity/Recruitment.java
@@ -24,7 +24,7 @@ public class Recruitment {
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    private Long postId;
+    private Long id;
 
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "author")
diff --git a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/repository/RecruitmentRepository.java b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/repository/RecruitmentRepository.java
index a664e5c..175665a 100644
--- a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/repository/RecruitmentRepository.java
+++ b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/repository/RecruitmentRepository.java
@@ -10,6 +10,6 @@
 @Repository
 public interface RecruitmentRepository extends JpaRepository<Recruitment, Long> {
 
-    @Query("SELECT r.author.userId FROM Recruitment r WHERE r.postId = :recruitmentId")
+    @Query("SELECT r.author.userId FROM Recruitment r WHERE r.id = :recruitmentId")
     Optional<Long> findAuthorIdByRecruitmentId(Long recruitmentId);
 }
diff --git a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/service/RecruitmentService.java b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/service/RecruitmentService.java
index 4ea3d63..343815b 100644
--- a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/service/RecruitmentService.java
+++ b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/Recruitment/service/RecruitmentService.java
@@ -39,16 +39,15 @@ public class RecruitmentService {
         Group group = findLeaderGroupByUser(author);
         Recruitment recruitment = Recruitment.of(author, group, createRecruitmentRequest);
         recruitmentRepository.save(recruitment);
-        RecruitmentDetailResponse recruitmentResponse = RecruitmentDetailResponse.of(recruitment, List.of());
+        RecruitmentDetailResponse recruitmentResponse = RecruitmentDetailResponse.of(recruitment, List.of(), author);
         return ApiResponse.ok(recruitmentResponse);
     }
 
-
     // 모집글 조회
-    public ApiResponse<RecruitmentDetailResponse> getRecruitment(Long recruitmentId) {
+    public ApiResponse<RecruitmentDetailResponse> getRecruitment(Long recruitmentId, Users loginUser) {
         Recruitment recruitment = findRecruitmentBy(recruitmentId);
         List<CommentResponse> comments = commentService.getComments(recruitmentId);
-        return ApiResponse.ok(RecruitmentDetailResponse.of(recruitment, comments));
+        return ApiResponse.ok(RecruitmentDetailResponse.of(recruitment, comments, loginUser));
     }
 
     // 모집글 수정
diff --git a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/User/enums/Tiers.java b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/User/enums/Tiers.java
index e1c9421..da118c0 100644
--- a/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/User/enums/Tiers.java
+++ b/MathCaptain/weakness/src/main/java/MathCaptain/weakness/domain/User/enums/Tiers.java
@@ -1,10 +1,34 @@
 package MathCaptain.weakness.domain.User.enums;
 
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonValue;
+
 public enum Tiers {
-    BRONZE,
-    SILVER,
-    GOLD,
-    PLATINUM,
-    DIAMOND,
-    MASTER
+    BRONZE("브론즈"),
+    SILVER("실버"),
+    GOLD("골드"),
+    PLATINUM("플레티넘"),
+    DIAMOND("다이아몬드"),
+    MASTER("마스터");
+
+    private final String value;
+
+    Tiers(String value) {
+        this.value = value;
+    }
+
+    @JsonValue
+    public String getValue() {
+        return value;
+    }
+
+    @JsonCreator
+    public static Tiers fromValue(String value) {
+        for (Tiers tier : Tiers.values()) {
+            if (tier.value.equals(value) || tier.name().equals(value)) {
+                return tier;
+            }
+        }
+        throw new IllegalArgumentException("정의되지 않은 값 입니다 : " + value);
+    }
 }