diff --git a/src/main/java/clap/server/application/service/history/PostCommentService.java b/src/main/java/clap/server/application/service/history/PostCommentService.java
index 5d44e575..ec60baee 100644
--- a/src/main/java/clap/server/application/service/history/PostCommentService.java
+++ b/src/main/java/clap/server/application/service/history/PostCommentService.java
@@ -43,7 +43,6 @@ public void save(Long userId, Long taskId, CreateCommentRequest request) {
         Member member = memberService.findActiveMember(userId);
 
         // 일반 회원일 경우 => 요청자인지 확인
-        // 담당자일 경우 => 처리자인지 확인
         if (Member.checkCommenter(task, member)) {
             Comment comment = Comment.createComment(member, task, request.content());
             Comment savedComment = commandCommentPort.saveComment(comment);
@@ -77,7 +76,7 @@ public void saveCommentAttachment(Long userId, Long taskId, MultipartFile file)
 
             Member processor = task.getProcessor();
             Member requester = task.getRequester();
-            if (member.getMemberInfo().getRole() == MemberRole.ROLE_USER) {
+            if (member.getMemberInfo().getRole() == requester.getMemberInfo().getRole()) {
                 publishNotification(processor, task, fileName + "(첨부파일)", requester.getNickname());
             } else {
                 publishNotification(requester, task, fileName + "(첨부파일)", processor.getNickname());
diff --git a/src/main/java/clap/server/application/service/task/UpdateTaskService.java b/src/main/java/clap/server/application/service/task/UpdateTaskService.java
index 5999990b..49ba7c2e 100644
--- a/src/main/java/clap/server/application/service/task/UpdateTaskService.java
+++ b/src/main/java/clap/server/application/service/task/UpdateTaskService.java
@@ -25,14 +25,9 @@
 import clap.server.domain.model.task.*;
 import clap.server.domain.policy.attachment.FilePathPolicy;
 import clap.server.exception.ApplicationException;
-import clap.server.exception.code.NotificationErrorCode;
 import clap.server.exception.code.TaskErrorCode;
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.http.ResponseEntity;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.multipart.MultipartFile;
 
@@ -60,12 +55,12 @@ public class UpdateTaskService implements UpdateTaskUsecase, UpdateTaskStatusUse
     @Override
     @Transactional
     public void updateTask(Long requesterId, Long taskId, UpdateTaskRequest updateTaskRequest, List<MultipartFile> files) {
-        Member requester = memberService.findActiveMember(requesterId);
+        memberService.findActiveMember(requesterId);
         Category category = categoryService.findById(updateTaskRequest.categoryId());
         Task task = taskService.findById(taskId);
 
         task.updateTask(requesterId, category, updateTaskRequest.title(), updateTaskRequest.description());
-        Task updatedTask = taskService.upsert(task);
+        taskService.upsert(task);
 
         if (!updateTaskRequest.attachmentsToDelete().isEmpty()) {
             updateAttachments(updateTaskRequest.attachmentsToDelete(), files, task);
@@ -105,7 +100,6 @@ public void updateTaskProcessor(Long taskId, Long userId, UpdateTaskProcessorReq
         TaskHistory taskHistory = TaskHistory.createTaskHistory(TaskHistoryType.PROCESSOR_CHANGED, task, null, processor,null);
         commandTaskHistoryPort.save(taskHistory);
 
-        String taskTitle = task.getTitle();
         publishNotification(updateTask, NotificationType.PROCESSOR_CHANGED, processor.getNickname());
     }
 
@@ -118,7 +112,7 @@ public void updateTaskLabel(Long taskId, Long userId, UpdateTaskLabelRequest req
         Label label = labelService.findById(request.labelId());
 
         task.updateLabel(label);
-        Task updatetask = taskService.upsert(task);
+        taskService.upsert(task);
     }
 
     private void updateAttachments(List<Long> attachmentIdsToDelete, List<MultipartFile> files, Task task) {
diff --git a/src/main/java/clap/server/domain/model/member/Member.java b/src/main/java/clap/server/domain/model/member/Member.java
index 35b77786..29a25cf0 100644
--- a/src/main/java/clap/server/domain/model/member/Member.java
+++ b/src/main/java/clap/server/domain/model/member/Member.java
@@ -9,6 +9,8 @@
 import lombok.*;
 import lombok.experimental.SuperBuilder;
 
+import java.util.Objects;
+
 
 @Getter
 @SuperBuilder
@@ -118,14 +120,8 @@ public void updateEmailEnabled() {
 
     public static Boolean checkCommenter(Task task, Member member) {
         // 일반 회원일 경우 => 요청자인지 확인
-        // 담당자일 경우 => 처리자인지 확인
-        if ((member.getMemberInfo().getRole() == MemberRole.ROLE_MANAGER)
-                && !(member.getMemberId() == task.getProcessor().getMemberId())) {
-            throw new DomainException(MemberErrorCode.NOT_A_COMMENTER);
-        }
-
-        else if ((member.getMemberInfo().getRole() == MemberRole.ROLE_USER)
-                && !(member.getMemberId() == task.getRequester().getMemberId())) {
+        if ((member.getMemberInfo().getRole() == MemberRole.ROLE_USER)
+                && !(Objects.equals(member, task.getRequester()))) {
             throw new DomainException(MemberErrorCode.NOT_A_COMMENTER);
         }
         else {