diff --git a/src/main/kotlin/co/bearus/magcloud/config/filter/ApplicationFilter.kt b/src/main/kotlin/co/bearus/magcloud/config/filter/ApplicationFilter.kt
index 9c15cb1..e62df2d 100644
--- a/src/main/kotlin/co/bearus/magcloud/config/filter/ApplicationFilter.kt
+++ b/src/main/kotlin/co/bearus/magcloud/config/filter/ApplicationFilter.kt
@@ -1,7 +1,6 @@
 package co.bearus.magcloud.config.filter
 
 import co.bearus.magcloud.controller.dto.response.ErrorResponse
-import co.bearus.magcloud.domain.exception.DomainException
 import co.bearus.magcloud.domain.exception.ErrorCode
 import co.bearus.magcloud.domain.service.AppInfoService
 import co.bearus.magcloud.domain.type.ContextLanguage
@@ -46,10 +45,12 @@ class ApplicationFilter(
         response.contentType = MediaType.APPLICATION_JSON_VALUE
 
         response.outputStream.use { os ->
-            objectMapper.writeValue(os, ErrorResponse(
+            objectMapper.writeValue(
+                os, ErrorResponse(
                     code = ErrorCode.APP_VERSION_EXCEPTION.code,
                     message = ErrorCode.APP_VERSION_EXCEPTION.message[language] ?: "",
-                ))
+                )
+            )
             os.flush()
         }
     }
diff --git a/src/main/kotlin/co/bearus/magcloud/config/filter/RequestInterceptor.kt b/src/main/kotlin/co/bearus/magcloud/config/filter/RequestInterceptor.kt
index d3972b2..0b557b5 100644
--- a/src/main/kotlin/co/bearus/magcloud/config/filter/RequestInterceptor.kt
+++ b/src/main/kotlin/co/bearus/magcloud/config/filter/RequestInterceptor.kt
@@ -1,6 +1,5 @@
 package co.bearus.magcloud.config.filter
 
-import co.bearus.magcloud.domain.service.AppInfoService
 import jakarta.servlet.http.HttpServletRequest
 import jakarta.servlet.http.HttpServletResponse
 import org.slf4j.LoggerFactory
@@ -8,7 +7,7 @@ import org.springframework.stereotype.Component
 import org.springframework.web.servlet.HandlerInterceptor
 
 @Component
-class RequestInterceptor: HandlerInterceptor {
+class RequestInterceptor : HandlerInterceptor {
 
     companion object {
         const val START_TIME_ATTR_NAME = "startTime"
diff --git a/src/main/kotlin/co/bearus/magcloud/controller/AuthController.kt b/src/main/kotlin/co/bearus/magcloud/controller/AuthController.kt
index 59944d4..49d0fe9 100644
--- a/src/main/kotlin/co/bearus/magcloud/controller/AuthController.kt
+++ b/src/main/kotlin/co/bearus/magcloud/controller/AuthController.kt
@@ -3,7 +3,6 @@ package co.bearus.magcloud.controller
 import co.bearus.magcloud.controller.dto.request.RefreshTokenRequestDTO
 import co.bearus.magcloud.controller.dto.request.SocialLoginDTO
 import co.bearus.magcloud.controller.dto.response.LoginResponseDTO
-import co.bearus.magcloud.domain.exception.DomainException
 import co.bearus.magcloud.domain.exception.ValidationException
 import co.bearus.magcloud.domain.service.user.UserService
 import co.bearus.magcloud.domain.service.user.social.*
diff --git a/src/main/kotlin/co/bearus/magcloud/controller/DiaryCommentController.kt b/src/main/kotlin/co/bearus/magcloud/controller/DiaryCommentController.kt
index bd9b4d6..a0d3b4d 100644
--- a/src/main/kotlin/co/bearus/magcloud/controller/DiaryCommentController.kt
+++ b/src/main/kotlin/co/bearus/magcloud/controller/DiaryCommentController.kt
@@ -16,13 +16,7 @@ import co.bearus.magcloud.domain.type.ContextLanguage
 import co.bearus.magcloud.util.ULIDUtils
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.transaction.annotation.Transactional
-import org.springframework.web.bind.annotation.DeleteMapping
-import org.springframework.web.bind.annotation.GetMapping
-import org.springframework.web.bind.annotation.PathVariable
-import org.springframework.web.bind.annotation.PostMapping
-import org.springframework.web.bind.annotation.RequestBody
-import org.springframework.web.bind.annotation.RequestMapping
-import org.springframework.web.bind.annotation.RestController
+import org.springframework.web.bind.annotation.*
 
 @RestController
 @RequestMapping("/v1/diaries/{diaryId}/comments")
diff --git a/src/main/kotlin/co/bearus/magcloud/controller/FriendController.kt b/src/main/kotlin/co/bearus/magcloud/controller/FriendController.kt
index 2534e4f..d7b77b3 100644
--- a/src/main/kotlin/co/bearus/magcloud/controller/FriendController.kt
+++ b/src/main/kotlin/co/bearus/magcloud/controller/FriendController.kt
@@ -13,12 +13,7 @@ import co.bearus.magcloud.domain.service.notification.NotificationService
 import co.bearus.magcloud.domain.service.user.UserService
 import co.bearus.magcloud.domain.type.ContextLanguage
 import co.bearus.magcloud.domain.type.NotificationType
-import org.springframework.web.bind.annotation.GetMapping
-import org.springframework.web.bind.annotation.PatchMapping
-import org.springframework.web.bind.annotation.PostMapping
-import org.springframework.web.bind.annotation.RequestBody
-import org.springframework.web.bind.annotation.RequestMapping
-import org.springframework.web.bind.annotation.RestController
+import org.springframework.web.bind.annotation.*
 
 @RestController
 @RequestMapping("/v1/users/friends")
diff --git a/src/main/kotlin/co/bearus/magcloud/controller/FriendDiaryController.kt b/src/main/kotlin/co/bearus/magcloud/controller/FriendDiaryController.kt
index 10b30c3..79aa46f 100644
--- a/src/main/kotlin/co/bearus/magcloud/controller/FriendDiaryController.kt
+++ b/src/main/kotlin/co/bearus/magcloud/controller/FriendDiaryController.kt
@@ -5,16 +5,11 @@ import co.bearus.magcloud.advice.WebUser
 import co.bearus.magcloud.controller.dto.response.DiaryResponseDTO
 import co.bearus.magcloud.domain.exception.DiaryNotExistsException
 import co.bearus.magcloud.domain.exception.IntegrityViolationException
-import co.bearus.magcloud.domain.exception.ValidationException
 import co.bearus.magcloud.domain.service.diary.UserDiaryService
 import co.bearus.magcloud.domain.service.friend.FriendService
 import org.springframework.format.annotation.DateTimeFormat
 import org.springframework.http.ResponseEntity
-import org.springframework.web.bind.annotation.GetMapping
-import org.springframework.web.bind.annotation.PathVariable
-import org.springframework.web.bind.annotation.RequestMapping
-import org.springframework.web.bind.annotation.RequestParam
-import org.springframework.web.bind.annotation.RestController
+import org.springframework.web.bind.annotation.*
 import java.time.LocalDate
 
 @RestController
diff --git a/src/main/kotlin/co/bearus/magcloud/controller/UserController.kt b/src/main/kotlin/co/bearus/magcloud/controller/UserController.kt
index ab368a6..11d3341 100644
--- a/src/main/kotlin/co/bearus/magcloud/controller/UserController.kt
+++ b/src/main/kotlin/co/bearus/magcloud/controller/UserController.kt
@@ -49,7 +49,7 @@ class UserController(
     @PostMapping("/me/profile-image")
     fun updateProfileImage(
         @RequestUser user: WebUser,
-        @RequestBody request: ProfileImageUpdateRequest
+        @RequestBody request: ProfileImageUpdateRequest,
     ) {
         userProfileImageService.changeProfileImage(
             userId = user.userId,
@@ -60,7 +60,7 @@ class UserController(
     @PostMapping("/me/name")
     fun updateName(
         @RequestUser user: WebUser,
-        @RequestBody request: ChangeNameRequest
+        @RequestBody request: ChangeNameRequest,
     ): UserDTO {
         if (request.name.length > 12) throw UserNameTooLongException()
         return userService.changeName(
diff --git a/src/main/kotlin/co/bearus/magcloud/controller/UserDeviceController.kt b/src/main/kotlin/co/bearus/magcloud/controller/UserDeviceController.kt
index 0332e5a..63d5a46 100644
--- a/src/main/kotlin/co/bearus/magcloud/controller/UserDeviceController.kt
+++ b/src/main/kotlin/co/bearus/magcloud/controller/UserDeviceController.kt
@@ -7,11 +7,7 @@ import co.bearus.magcloud.controller.dto.response.APIResponse
 import co.bearus.magcloud.domain.service.notification.NotificationService
 import co.bearus.magcloud.domain.service.notification.UserDeviceService
 import org.springframework.http.ResponseEntity
-import org.springframework.web.bind.annotation.DeleteMapping
-import org.springframework.web.bind.annotation.PostMapping
-import org.springframework.web.bind.annotation.RequestBody
-import org.springframework.web.bind.annotation.RequestMapping
-import org.springframework.web.bind.annotation.RestController
+import org.springframework.web.bind.annotation.*
 
 @RestController
 @RequestMapping("/v1/users/device")
@@ -36,9 +32,4 @@ class UserDeviceController(
         this.userDeviceService.registerDevice(user.userId, deviceRegisterDTO)
         return ResponseEntity.ok(APIResponse.ok("삭제 성공"))
     }
-
-    @PostMapping("/noti")
-    fun sendNoti() {
-        notificationService.broadcastMessage("asdf", "bsdef")
-    }
 }
diff --git a/src/main/kotlin/co/bearus/magcloud/controller/dto/response/APIResponse.kt b/src/main/kotlin/co/bearus/magcloud/controller/dto/response/APIResponse.kt
index 22e6777..a12d4ff 100644
--- a/src/main/kotlin/co/bearus/magcloud/controller/dto/response/APIResponse.kt
+++ b/src/main/kotlin/co/bearus/magcloud/controller/dto/response/APIResponse.kt
@@ -7,12 +7,13 @@ import com.fasterxml.jackson.annotation.JsonInclude
 @JsonInclude(JsonInclude.Include.NON_NULL)
 data class APIResponse(
     val success: Boolean,
-    val message: String
+    val message: String,
 ) {
     companion object {
         fun ok(message: String) = APIResponse(true, message)
         fun error(message: String) = APIResponse(false, message)
         fun ok(language: ContextLanguage, message: ResponseMessage) = APIResponse(true, message.message[language] ?: "")
-        fun error(language: ContextLanguage, message: ResponseMessage) = APIResponse(false, message.message[language] ?: "")
+        fun error(language: ContextLanguage, message: ResponseMessage) =
+            APIResponse(false, message.message[language] ?: "")
     }
 }
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/entity/AppInfoEntity.kt b/src/main/kotlin/co/bearus/magcloud/domain/entity/AppInfoEntity.kt
index 9376e6c..66cd39a 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/entity/AppInfoEntity.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/entity/AppInfoEntity.kt
@@ -1,6 +1,8 @@
 package co.bearus.magcloud.domain.entity
 
-import jakarta.persistence.*
+import jakarta.persistence.Column
+import jakarta.persistence.Entity
+import jakarta.persistence.Id
 import java.io.Serializable
 
 @Entity(name = "app_info")
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/entity/diary/DiaryLikeEntity.kt b/src/main/kotlin/co/bearus/magcloud/domain/entity/diary/DiaryLikeEntity.kt
index 5994c1e..966bef3 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/entity/diary/DiaryLikeEntity.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/entity/diary/DiaryLikeEntity.kt
@@ -6,7 +6,6 @@ import jakarta.persistence.Entity
 import jakarta.persistence.Id
 import jakarta.persistence.IdClass
 import java.io.Serializable
-import java.time.LocalDate
 
 @IdClass(DiaryLikeEntityKey::class)
 @Entity(name = "diary_like")
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/entity/diary/DiaryLikeEntityKey.kt b/src/main/kotlin/co/bearus/magcloud/domain/entity/diary/DiaryLikeEntityKey.kt
index 6fd7f99..46c7c9a 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/entity/diary/DiaryLikeEntityKey.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/entity/diary/DiaryLikeEntityKey.kt
@@ -1,7 +1,6 @@
 package co.bearus.magcloud.domain.entity.diary
 
 import java.io.Serializable
-import java.time.LocalDate
 
 class DiaryLikeEntityKey(
     val diaryId: String = "",
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/entity/user/UserNotificationConfigEntity.kt b/src/main/kotlin/co/bearus/magcloud/domain/entity/user/UserNotificationConfigEntity.kt
index 2c66527..d78e2e4 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/entity/user/UserNotificationConfigEntity.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/entity/user/UserNotificationConfigEntity.kt
@@ -1,7 +1,9 @@
 package co.bearus.magcloud.domain.entity.user
 
 import co.bearus.magcloud.domain.entity.BaseAuditEntity
-import jakarta.persistence.*
+import jakarta.persistence.Column
+import jakarta.persistence.Entity
+import jakarta.persistence.Id
 import java.io.Serializable
 
 @Entity(name = "user_notification_config")
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/exception/DomainException.kt b/src/main/kotlin/co/bearus/magcloud/domain/exception/DomainException.kt
index a181f0e..429dea4 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/exception/DomainException.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/exception/DomainException.kt
@@ -1,7 +1,7 @@
 package co.bearus.magcloud.domain.exception
 
 open class DomainException(
-    val errorCode: ErrorCode
+    val errorCode: ErrorCode,
 ) : RuntimeException()
 
 open class NotFoundDomainException : DomainException(
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/exception/ErrorCode.kt b/src/main/kotlin/co/bearus/magcloud/domain/exception/ErrorCode.kt
index 97308b6..44fd6e4 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/exception/ErrorCode.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/exception/ErrorCode.kt
@@ -20,7 +20,10 @@ enum class ErrorCode(
     USER_NICKNAME_TOO_LONG("UE0002", simpleMessage("닉네임은 12자 이하로 입력해주세요", "Nickname must be less than 12 characters")),
 
     DIARY_NOT_FOUND("DE0001", simpleMessage("다이어리를 찾을 수 없습니다", "Diary not found")),
-    CANNOT_UPDATE_MORE_THAN_TWO_DAYS("DE0002", simpleMessage("2일 이상 지난 일기는 편집할 수 없어요", "Cannot edit diary older than 2 days")),
+    CANNOT_UPDATE_MORE_THAN_TWO_DAYS(
+        "DE0002",
+        simpleMessage("2일 이상 지난 일기는 편집할 수 없어요", "Cannot edit diary older than 2 days")
+    ),
 
     ALREADY_FRIEND("FE0001", simpleMessage("이미 친구입니다", "Already friend")),
     ALREADY_FRIEND_REQUESTED("FE0002", simpleMessage("이미 친구 요청을 보냈습니다", "Already friend requested")),
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/projection/DailyUserProjection.kt b/src/main/kotlin/co/bearus/magcloud/domain/projection/DailyUserProjection.kt
index 5a73f42..3bb32aa 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/projection/DailyUserProjection.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/projection/DailyUserProjection.kt
@@ -19,7 +19,7 @@ data class DailyUserProjection @QueryProjection constructor(
         name = name,
         nameTag = "${name}#${tag}",
         profileImageUrl = profileImageUrl,
-        emotion = if(emotion == null || !isDiaryAllowed) "unselected" else emotion,
+        emotion = if (emotion == null || !isDiaryAllowed) "unselected" else emotion,
         updatedAtTs = updatedAt?.toEpochMillis() ?: 0L,
     )
 }
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/projection/DiaryCommentProjection.kt b/src/main/kotlin/co/bearus/magcloud/domain/projection/DiaryCommentProjection.kt
index bccc1b9..c430f90 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/projection/DiaryCommentProjection.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/projection/DiaryCommentProjection.kt
@@ -1,7 +1,6 @@
 package co.bearus.magcloud.domain.projection
 
 import co.bearus.magcloud.controller.dto.request.DiaryCommentDTO
-import co.bearus.magcloud.controller.dto.response.DailyUserDTO
 import co.bearus.magcloud.util.DateUtils.Companion.toEpochMillis
 import com.querydsl.core.annotations.QueryProjection
 import java.time.LocalDateTime
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/projection/YearlyEmotionProjection.kt b/src/main/kotlin/co/bearus/magcloud/domain/projection/YearlyEmotionProjection.kt
index 3e0b5c3..2f06ab7 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/projection/YearlyEmotionProjection.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/projection/YearlyEmotionProjection.kt
@@ -1,7 +1,6 @@
 package co.bearus.magcloud.domain.projection
 
 import com.querydsl.core.annotations.QueryProjection
-import java.time.LocalDate
 
 data class YearlyEmotionProjection @QueryProjection constructor(
     val month: Int,
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/repository/JPADiaryCommentRepository.kt b/src/main/kotlin/co/bearus/magcloud/domain/repository/JPADiaryCommentRepository.kt
index a563423..f787245 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/repository/JPADiaryCommentRepository.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/repository/JPADiaryCommentRepository.kt
@@ -3,6 +3,6 @@ package co.bearus.magcloud.domain.repository
 import co.bearus.magcloud.domain.entity.diary.DiaryCommentEntity
 import org.springframework.data.jpa.repository.JpaRepository
 
-interface JPADiaryCommentRepository: JpaRepository<DiaryCommentEntity, String> {
+interface JPADiaryCommentRepository : JpaRepository<DiaryCommentEntity, String> {
     fun findAllByDiaryId(diaryId: String): List<DiaryCommentEntity>
 }
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/repository/QUserFeedRepository.kt b/src/main/kotlin/co/bearus/magcloud/domain/repository/QUserFeedRepository.kt
index 5b5ee09..d2cac18 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/repository/QUserFeedRepository.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/repository/QUserFeedRepository.kt
@@ -15,11 +15,12 @@ import org.springframework.stereotype.Repository
 class QUserFeedRepository(
     private val queryFactory: JPAQueryFactory,
 ) {
-    fun getFeedByDiaryId(diaryId: String, userId: String,): FeedProjection? {
+    fun getFeedByDiaryId(diaryId: String, userId: String): FeedProjection? {
         return queryFactory
             .selectFrom(diaryEntity)
             .leftJoin(userEntity).on(diaryEntity.userId.eq(userEntity.userId))
-            .leftJoin(diaryLikeEntity).on(diaryEntity.diaryId.eq(diaryLikeEntity.diaryId).and(diaryLikeEntity.userId.eq(userId)))
+            .leftJoin(diaryLikeEntity)
+            .on(diaryEntity.diaryId.eq(diaryLikeEntity.diaryId).and(diaryLikeEntity.userId.eq(userId)))
             .leftJoin(diaryCommentEntity).on(diaryEntity.diaryId.eq(diaryCommentEntity.diaryId))
             .where(diaryEntity.diaryId.eq(diaryId))
             .select(
@@ -64,7 +65,8 @@ class QUserFeedRepository(
         return queryFactory
             .selectFrom(diaryEntity)
             .leftJoin(userEntity).on(diaryEntity.userId.eq(userEntity.userId))
-            .leftJoin(diaryLikeEntity).on(diaryEntity.diaryId.eq(diaryLikeEntity.diaryId).and(diaryLikeEntity.userId.eq(userId)))
+            .leftJoin(diaryLikeEntity)
+            .on(diaryEntity.diaryId.eq(diaryLikeEntity.diaryId).and(diaryLikeEntity.userId.eq(userId)))
             .leftJoin(diaryCommentEntity).on(diaryEntity.diaryId.eq(diaryCommentEntity.diaryId))
             .where(predicate)
             .select(
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/repository/QUserFriendRepository.kt b/src/main/kotlin/co/bearus/magcloud/domain/repository/QUserFriendRepository.kt
index 8bfa83a..7d41ca8 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/repository/QUserFriendRepository.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/repository/QUserFriendRepository.kt
@@ -1,9 +1,9 @@
 package co.bearus.magcloud.domain.repository
 
-import co.bearus.magcloud.domain.entity.user.QUserEntity.Companion.userEntity
 import co.bearus.magcloud.domain.entity.diary.QDiaryEntity.Companion.diaryEntity
 import co.bearus.magcloud.domain.entity.friend.QFriendEntity.Companion.friendEntity
 import co.bearus.magcloud.domain.entity.friend.QFriendRequestEntity.Companion.friendRequestEntity
+import co.bearus.magcloud.domain.entity.user.QUserEntity.Companion.userEntity
 import co.bearus.magcloud.domain.entity.user.QUserNotificationConfigEntity.Companion.userNotificationConfigEntity
 import co.bearus.magcloud.domain.projection.QDailyUserProjection
 import co.bearus.magcloud.domain.projection.QFriendUserProjection
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/service/diary/UserDiaryService.kt b/src/main/kotlin/co/bearus/magcloud/domain/service/diary/UserDiaryService.kt
index 3642eb2..ee0e23f 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/service/diary/UserDiaryService.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/service/diary/UserDiaryService.kt
@@ -98,7 +98,7 @@ class UserDiaryService(
             )
             diary.likeCount = diaryLikeRepository.countByDiaryId(diaryId).toInt()
 
-            if(userId != diary.userId) notificationService.sendDiaryLikedNotification(diaryId)
+            if (userId != diary.userId) notificationService.sendDiaryLikedNotification(diaryId)
             return diaryRepository.save(diary).toDto()
         }
         return diary.toDto()
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/service/notification/NotificationService.kt b/src/main/kotlin/co/bearus/magcloud/domain/service/notification/NotificationService.kt
index 95e2c16..282d91a 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/service/notification/NotificationService.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/service/notification/NotificationService.kt
@@ -34,10 +34,6 @@ class NotificationService(
         FirebaseApp.initializeApp(options)
     }
 
-    fun broadcastMessage(title: String, description: String) {
-        this.sendMessageToTopic("all", title, description)
-    }
-
     fun sendMessageToTopic(topic: String, title: String, description: String) {
         try {
             val message = Message.builder()
@@ -80,7 +76,7 @@ class NotificationService(
     fun sendCommentCreateNotification(comment: DiaryCommentDTO) {
         val diary = diaryRepository.findByIdOrNull(comment.diaryId) ?: return
         val writer = userRepository.findByIdOrNull(comment.userId) ?: return
-        if(comment.userId != diary.userId)
+        if (comment.userId != diary.userId)
             sendMessageToUser(
                 notificationType = NotificationType.SOCIAL,
                 userId = diary.userId,
@@ -112,7 +108,12 @@ class NotificationService(
     }
 
     @Async
-    fun sendMessageToUser(notificationType: NotificationType, userId: String, description: String, routePath: String = "") {
+    fun sendMessageToUser(
+        notificationType: NotificationType,
+        userId: String,
+        description: String,
+        routePath: String = "",
+    ) {
         val devices = userDeviceRepository.findAllByUserId(userId)
         if (devices.isEmpty()) return
 
@@ -130,7 +131,9 @@ class NotificationService(
                     .build()
             )
             .addAllTokens(devices.map { it.deviceToken })
-            .setApnsConfig(ApnsConfig.builder().setAps(Aps.builder().setSound("default").setContentAvailable(true).build()).build())
+            .setApnsConfig(
+                ApnsConfig.builder().setAps(Aps.builder().setSound("default").setContentAvailable(true).build()).build()
+            )
             .build()
         try {
             FirebaseMessaging.getInstance().sendMulticastAsync(message)
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/service/notification/UserDeviceService.kt b/src/main/kotlin/co/bearus/magcloud/domain/service/notification/UserDeviceService.kt
index 2c67a59..812323a 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/service/notification/UserDeviceService.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/service/notification/UserDeviceService.kt
@@ -1,10 +1,8 @@
 package co.bearus.magcloud.domain.service.notification
 
 import co.bearus.magcloud.controller.dto.request.DeviceRegisterDTO
-import co.bearus.magcloud.controller.dto.response.APIResponse
 import co.bearus.magcloud.domain.entity.user.UserDeviceEntity
 import co.bearus.magcloud.domain.entity.user.UserDeviceKey
-import co.bearus.magcloud.domain.exception.DomainException
 import co.bearus.magcloud.domain.exception.UserNotFoundException
 import co.bearus.magcloud.domain.repository.JPAUserDeviceRepository
 import co.bearus.magcloud.domain.repository.JPAUserRepository
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/service/user/UserService.kt b/src/main/kotlin/co/bearus/magcloud/domain/service/user/UserService.kt
index 0f49acf..e29c355 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/service/user/UserService.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/service/user/UserService.kt
@@ -6,7 +6,6 @@ import co.bearus.magcloud.controller.dto.response.UserDTO
 import co.bearus.magcloud.domain.entity.user.UserEntity
 import co.bearus.magcloud.domain.entity.user.UserNotificationConfigEntity
 import co.bearus.magcloud.domain.entity.user.UserTokenEntity
-import co.bearus.magcloud.domain.exception.DomainException
 import co.bearus.magcloud.domain.exception.TokenExpiredException
 import co.bearus.magcloud.domain.exception.UserNotFoundException
 import co.bearus.magcloud.domain.repository.*
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/AppleNativeProviderService.kt b/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/AppleNativeProviderService.kt
index af2db3e..176aed2 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/AppleNativeProviderService.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/AppleNativeProviderService.kt
@@ -4,7 +4,6 @@ import co.bearus.magcloud.controller.dto.SocialInfoDTO
 import co.bearus.magcloud.controller.dto.request.SocialLoginDTO
 import co.bearus.magcloud.controller.dto.response.LoginResponseDTO
 import co.bearus.magcloud.domain.exception.AuthFailedException
-import co.bearus.magcloud.domain.exception.DomainException
 import co.bearus.magcloud.domain.type.LoginProvider
 import co.bearus.magcloud.util.MockNickGenerator
 import com.fasterxml.jackson.databind.ObjectMapper
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/AppleProviderService.kt b/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/AppleProviderService.kt
index 18a9d59..e3f8a3b 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/AppleProviderService.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/AppleProviderService.kt
@@ -1,6 +1,5 @@
 package co.bearus.magcloud.domain.service.user.social
 
-import co.bearus.magcloud.domain.exception.DomainException
 import co.bearus.magcloud.domain.type.LoginProvider
 import com.google.gson.Gson
 import io.jsonwebtoken.JwsHeader
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/GoogleNativeProviderService.kt b/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/GoogleNativeProviderService.kt
index faf1a17..5bc8c2e 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/GoogleNativeProviderService.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/GoogleNativeProviderService.kt
@@ -4,7 +4,6 @@ import co.bearus.magcloud.controller.dto.SocialInfoDTO
 import co.bearus.magcloud.controller.dto.request.SocialLoginDTO
 import co.bearus.magcloud.controller.dto.response.LoginResponseDTO
 import co.bearus.magcloud.domain.exception.AuthFailedException
-import co.bearus.magcloud.domain.exception.DomainException
 import co.bearus.magcloud.domain.type.LoginProvider
 import co.bearus.magcloud.util.MockNickGenerator
 import org.springframework.beans.factory.annotation.Qualifier
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/KakaoNativeProviderService.kt b/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/KakaoNativeProviderService.kt
index db294f1..6f98880 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/KakaoNativeProviderService.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/KakaoNativeProviderService.kt
@@ -1,6 +1,5 @@
 package co.bearus.magcloud.domain.service.user.social
 
-import co.bearus.magcloud.domain.exception.DomainException
 import co.bearus.magcloud.domain.type.LoginProvider
 import com.google.gson.Gson
 import org.springframework.http.HttpEntity
diff --git a/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/KakaoProviderService.kt b/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/KakaoProviderService.kt
index 9ddbb86..551ce37 100644
--- a/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/KakaoProviderService.kt
+++ b/src/main/kotlin/co/bearus/magcloud/domain/service/user/social/KakaoProviderService.kt
@@ -1,6 +1,5 @@
 package co.bearus.magcloud.domain.service.user.social
 
-import co.bearus.magcloud.domain.exception.DomainException
 import co.bearus.magcloud.domain.type.LoginProvider
 import com.fasterxml.jackson.databind.JsonNode
 import com.fasterxml.jackson.databind.ObjectMapper
diff --git a/src/main/kotlin/co/bearus/magcloud/util/MockNickGenerator.kt b/src/main/kotlin/co/bearus/magcloud/util/MockNickGenerator.kt
index 432a5c8..dd9e6bc 100644
--- a/src/main/kotlin/co/bearus/magcloud/util/MockNickGenerator.kt
+++ b/src/main/kotlin/co/bearus/magcloud/util/MockNickGenerator.kt
@@ -1,7 +1,7 @@
 package co.bearus.magcloud.util
 
 object MockNickGenerator {
-    val prefix = listOf("멋있는", "맛있는", "대단한", "엄청난", "위대한", "행복한", "즐거운", "새로운")
+    val prefix = listOf("멋있는", "맛있는", "대단한", "엄청난", "위대한", "행복한", "즐거운", "새로운", "작은", "신기한", "재밌는")
     val suffix = listOf(
         "식사",
         "과일",
@@ -29,7 +29,8 @@ object MockNickGenerator {
         "프로그래밍",
         "개발",
         "코딩",
-        "테스트"
+        "테스트",
+        "보안"
     )
 
     fun generate() = "${prefix.random()}${suffix.random()}"