diff --git a/src/main/java/io/oeid/mogakgo/domain/project/presentation/ProjectController.java b/src/main/java/io/oeid/mogakgo/domain/project/presentation/ProjectController.java
index 89cd4f78..86b9ab20 100644
--- a/src/main/java/io/oeid/mogakgo/domain/project/presentation/ProjectController.java
+++ b/src/main/java/io/oeid/mogakgo/domain/project/presentation/ProjectController.java
@@ -89,7 +89,8 @@ public ResponseEntity<CursorPaginationResult<ProjectInfoAPIRes>> getProjectsByCr
             .body(projectService.getByCreatorId(userId, creatorId, pageable));
     }
 
-    @GetMapping("{projectId}/{id}")
+    // TODO: 유저 id 따로 받는 이유?
+    @GetMapping("/{projectId}/{id}")
     public ResponseEntity<ProjectDetailAPIRes> getById(
         @UserId Long userId, @PathVariable Long projectId, @PathVariable Long id
         ) {
diff --git a/src/main/java/io/oeid/mogakgo/domain/project_join_req/application/ProjectJoinRequestService.java b/src/main/java/io/oeid/mogakgo/domain/project_join_req/application/ProjectJoinRequestService.java
index 70b4adaa..36886c92 100644
--- a/src/main/java/io/oeid/mogakgo/domain/project_join_req/application/ProjectJoinRequestService.java
+++ b/src/main/java/io/oeid/mogakgo/domain/project_join_req/application/ProjectJoinRequestService.java
@@ -102,10 +102,6 @@ public Long accept(Long userId, Long projectRequestId) {
             // TODO: 로그 처리
         }
 
-        // TODO: 무한 대기로 인해 Batch로 일괄 거절 처리되는 경우, 이벤트 발행 어떻게 할 것인지?
-        List<ProjectJoinRequest> rejectedList = projectJoinRequestRepository
-            .findRejectedRequestByProjectId(projectJoinRequest.getProject().getId());
-
         fcmNotificationService.sendNotification(projectJoinRequest.getSender().getId(),
             MATCHING_SUCCESS_MESSAGE.getTitle(), MATCHING_SUCCESS_MESSAGE.getMessage(),
             MATCHING_SUCCEEDED);
@@ -114,16 +110,6 @@ public Long accept(Long userId, Long projectRequestId) {
         return matchingId;
     }
 
-    private void cancelMyPendingProjectJoinRequest(User sender) {
-        projectJoinRequestRepository.findPendingBySenderId(sender.getId())
-            .ifPresent(pendingProjectJoinRequest -> pendingProjectJoinRequest.cancel(sender));
-    }
-
-    private ProjectJoinRequest getProjectJoinRequestWithProject(Long projectRequestId) {
-        return projectJoinRequestRepository.findByIdWithProject(projectRequestId)
-            .orElseThrow(() -> new ProjectJoinRequestException(PROJECT_JOIN_REQUEST_NOT_FOUND));
-    }
-
     public CursorPaginationResult<ProjectJoinRequestDetailAPIRes> getBySenderIdWithPagination(
         Long userId, Long senderId, CursorPaginationInfoReq pageable
     ) {
@@ -136,6 +122,16 @@ public CursorPaginationResult<ProjectJoinRequestDetailAPIRes> getBySenderIdWithP
         );
     }
 
+    private void cancelMyPendingProjectJoinRequest(User sender) {
+        projectJoinRequestRepository.findPendingBySenderId(sender.getId())
+            .ifPresent(pendingProjectJoinRequest -> pendingProjectJoinRequest.cancel(sender));
+    }
+
+    private ProjectJoinRequest getProjectJoinRequestWithProject(Long projectRequestId) {
+        return projectJoinRequestRepository.findByIdWithProject(projectRequestId)
+            .orElseThrow(() -> new ProjectJoinRequestException(PROJECT_JOIN_REQUEST_NOT_FOUND));
+    }
+
     private User validateToken(Long userId) {
         return userRepository.findById(userId)
             .orElseThrow(() -> new UserException(USER_NOT_FOUND));
diff --git a/src/main/java/io/oeid/mogakgo/domain/project_join_req/infrastructure/ProjectJoinRequestRepositoryCustomImpl.java b/src/main/java/io/oeid/mogakgo/domain/project_join_req/infrastructure/ProjectJoinRequestRepositoryCustomImpl.java
index 6fb4aadd..110408d6 100644
--- a/src/main/java/io/oeid/mogakgo/domain/project_join_req/infrastructure/ProjectJoinRequestRepositoryCustomImpl.java
+++ b/src/main/java/io/oeid/mogakgo/domain/project_join_req/infrastructure/ProjectJoinRequestRepositoryCustomImpl.java
@@ -25,6 +25,7 @@ public class ProjectJoinRequestRepositoryCustomImpl implements ProjectJoinReques
     public CursorPaginationResult<ProjectJoinRequestRes> findByConditionWithPagination(
         Long senderId, Long projectId, RequestStatus requestStatus, CursorPaginationInfoReq pageable
     ) {
+        // 배치 사이즈가 작동하지 않는 이슈로 인해 주석 처리
 //        List<projectJoinRequestRes> result = jpaQueryFactory.select(
 //                Projections.constructor(
 //                    projectJoinRequestRes.class,
diff --git a/src/main/java/io/oeid/mogakgo/domain/project_join_req/presentation/dto/res/ProjectJoinRequestDetailAPIRes.java b/src/main/java/io/oeid/mogakgo/domain/project_join_req/presentation/dto/res/ProjectJoinRequestDetailAPIRes.java
index 3dc4401e..4555b21d 100644
--- a/src/main/java/io/oeid/mogakgo/domain/project_join_req/presentation/dto/res/ProjectJoinRequestDetailAPIRes.java
+++ b/src/main/java/io/oeid/mogakgo/domain/project_join_req/presentation/dto/res/ProjectJoinRequestDetailAPIRes.java
@@ -17,6 +17,7 @@ public class ProjectJoinRequestDetailAPIRes {
     @NotNull
     private final Long projectId;
 
+    // TODO: creatorAvatorUrl -> creatorAvatarUrl
     @Schema(description = "프로젝트 생성자 아바타 URL", example = "https://avatars.githubusercontent.com/u/85854384?v=4")
     private final String creatorAvatorUrl;