diff --git a/doochul/src/main/java/org/doochul/application/LessonService.java b/doochul/src/main/java/org/doochul/application/LessonService.java
index 466e3b8..883fa33 100644
--- a/doochul/src/main/java/org/doochul/application/LessonService.java
+++ b/doochul/src/main/java/org/doochul/application/LessonService.java
@@ -5,15 +5,10 @@
 import org.doochul.domain.lesson.LessonRepository;
 import org.doochul.domain.membership.MemberShip;
 import org.doochul.domain.membership.MemberShipRepository;
-import org.doochul.domain.user.User;
-import org.doochul.domain.user.UserRepository;
 import org.doochul.ui.dto.LessonRequest;
-
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
-import java.util.List;
-
 @Service
 @RequiredArgsConstructor
 public class LessonService {
@@ -22,11 +17,8 @@ public class LessonService {
     private final MemberShipRepository memberShipRepository;
 
     @Transactional
-    // request 받아서 save 하는 로직
     public Long save(final Long membershipId, final LessonRequest lessonRequest) {
         final MemberShip memberShip = memberShipRepository.findById(membershipId).orElseThrow();
         return lessonRepository.save(Lesson.of(memberShip, lessonRequest.getStartedAt(), lessonRequest.getEndedAt(), lessonRequest.getRecord())).getId();
     }
-
-
 }
diff --git a/doochul/src/main/java/org/doochul/domain/lesson/Lesson.java b/doochul/src/main/java/org/doochul/domain/lesson/Lesson.java
index 09c9c88..4f490fd 100644
--- a/doochul/src/main/java/org/doochul/domain/lesson/Lesson.java
+++ b/doochul/src/main/java/org/doochul/domain/lesson/Lesson.java
@@ -14,9 +14,6 @@
 import lombok.NoArgsConstructor;
 import org.doochul.domain.BaseEntity;
 import org.doochul.domain.membership.MemberShip;
-import org.doochul.domain.user.User;
-import org.doochul.ui.dto.LessonRequest;
-import org.doochul.ui.dto.LessonResponse;
 
 @Entity
 @Getter
@@ -44,7 +41,8 @@ public Lesson(Long id, MemberShip memberShip, LocalDateTime startedAt, LocalDate
         this.endedAt = endedAt;
         this.record = record;
     }
+
     public static Lesson of(MemberShip memberShip, LocalDateTime startedAt, LocalDateTime endedAt, String record) {
-        return new Lesson(null, memberShip,startedAt,endedAt,record);
+        return new Lesson(null, memberShip, startedAt, endedAt, record);
     }
 }
diff --git a/doochul/src/main/java/org/doochul/ui/LessonController.java b/doochul/src/main/java/org/doochul/ui/LessonController.java
index 98ff921..ce2fe74 100644
--- a/doochul/src/main/java/org/doochul/ui/LessonController.java
+++ b/doochul/src/main/java/org/doochul/ui/LessonController.java
@@ -2,25 +2,17 @@
 
 import lombok.RequiredArgsConstructor;
 import org.doochul.application.LessonService;
-import org.doochul.domain.lesson.Lesson;
-import org.doochul.domain.user.User;
-
 import org.doochul.ui.dto.LessonRequest;
-import org.doochul.ui.dto.LessonResponse;
-import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
-
-
 @RestController
 @RequiredArgsConstructor
 @RequestMapping("/lesson")
 public class LessonController {
-
     private final LessonService lessonService;
+
     @PostMapping("/save/{membershipId}")
     public Long save(final @PathVariable Long membershipId, final @RequestBody LessonRequest lessonRequest) {
-        return lessonService.save(membershipId,lessonRequest);
+        return lessonService.save(membershipId, lessonRequest);
     }
-
 }
diff --git a/doochul/src/main/java/org/doochul/ui/dto/LessonResponse.java b/doochul/src/main/java/org/doochul/ui/dto/LessonResponse.java
index 508f458..0450c2a 100644
--- a/doochul/src/main/java/org/doochul/ui/dto/LessonResponse.java
+++ b/doochul/src/main/java/org/doochul/ui/dto/LessonResponse.java
@@ -16,7 +16,7 @@ public record LessonResponse(
         String record
 ) {
     public static LessonResponse from(final Lesson lesson) {
-        return new LessonResponse(lesson.getId(), lesson.getMemberShip(), lesson.getStartedAt(), lesson.getEndedAt(),lesson.getRecord());
+        return new LessonResponse(lesson.getId(), lesson.getMemberShip(), lesson.getStartedAt(), lesson.getEndedAt(), lesson.getRecord());
     }
 
     public static List<LessonResponse> fromList(final List<Lesson> lessons) {
@@ -24,7 +24,4 @@ public static List<LessonResponse> fromList(final List<Lesson> lessons) {
                 .map(LessonResponse::from)
                 .toList();
     }
-
-
-
 }