diff --git a/src/main/kotlin/dev/usbharu/hideout/activitypub/domain/model/Person.kt b/src/main/kotlin/dev/usbharu/hideout/activitypub/domain/model/Person.kt
index 369905ec..5b6841c6 100644
--- a/src/main/kotlin/dev/usbharu/hideout/activitypub/domain/model/Person.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/activitypub/domain/model/Person.kt
@@ -49,9 +49,9 @@ constructor(
     @Suppress("CyclomaticComplexMethod")
     override fun hashCode(): Int {
         var result = super.hashCode()
-        result = 31 * result + name.hashCode()
+        result = 31 * result + (name?.hashCode() ?: 0)
         result = 31 * result + id.hashCode()
-        result = 31 * result + (preferredUsername?.hashCode() ?: 0)
+        result = 31 * result + preferredUsername.hashCode()
         result = 31 * result + (summary?.hashCode() ?: 0)
         result = 31 * result + inbox.hashCode()
         result = 31 * result + outbox.hashCode()
@@ -61,15 +61,15 @@ constructor(
         result = 31 * result + endpoints.hashCode()
         result = 31 * result + (followers?.hashCode() ?: 0)
         result = 31 * result + (following?.hashCode() ?: 0)
-        result = 31 * result + manuallyApprovesFollowers.hashCode()
+        result = 31 * result + (manuallyApprovesFollowers?.hashCode() ?: 0)
         return result
     }
 
     override fun toString(): String {
         return "Person(" +
-            "name='$name', " +
+                "name=$name, " +
             "id='$id', " +
-            "preferredUsername=$preferredUsername, " +
+                "preferredUsername='$preferredUsername', " +
             "summary=$summary, " +
             "inbox='$inbox', " +
             "outbox='$outbox', " +
diff --git a/src/main/kotlin/dev/usbharu/hideout/activitypub/infrastructure/exposedquery/NoteQueryServiceImpl.kt b/src/main/kotlin/dev/usbharu/hideout/activitypub/infrastructure/exposedquery/NoteQueryServiceImpl.kt
index b0807f48..a009e6fe 100644
--- a/src/main/kotlin/dev/usbharu/hideout/activitypub/infrastructure/exposedquery/NoteQueryServiceImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/activitypub/infrastructure/exposedquery/NoteQueryServiceImpl.kt
@@ -26,8 +26,10 @@ class NoteQueryServiceImpl(private val postRepository: PostRepository, private v
             .leftJoin(Media)
             .select { Posts.id eq id }
             .let {
-                (it.toNote() ?: return null) to (postQueryMapper.map(it)
-                    .singleOrNull() ?: return null)
+                (it.toNote() ?: return null) to (
+                        postQueryMapper.map(it)
+                            .singleOrNull() ?: return null
+                        )
             }
     }
 
@@ -38,8 +40,10 @@ class NoteQueryServiceImpl(private val postRepository: PostRepository, private v
             .leftJoin(Media)
             .select { Posts.apId eq apId }
             .let {
-                (it.toNote() ?: return null) to (postQueryMapper.map(it)
-                    .singleOrNull() ?: return null)
+                (it.toNote() ?: return null) to (
+                        postQueryMapper.map(it)
+                            .singleOrNull() ?: return null
+                        )
             }
     }
 
diff --git a/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/delete/APDeleteProcessor.kt b/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/delete/APDeleteProcessor.kt
index 8a3559d8..1ad2acbf 100644
--- a/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/delete/APDeleteProcessor.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/delete/APDeleteProcessor.kt
@@ -36,14 +36,12 @@ class APDeleteProcessor(
         val actor = actorRepository.findByUrl(deleteId)
         actor?.let { userService.deleteRemoteActor(it.id) }
 
-
         val post = postRepository.findByApId(deleteId)
         if (post == null) {
             logger.warn("FAILED Delete id: {} is not found.", deleteId)
             return
         }
         postService.deleteRemote(post)
-
     }
 
     override fun isSupported(activityType: ActivityType): Boolean = activityType == ActivityType.Delete
diff --git a/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/like/APLikeProcessor.kt b/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/like/APLikeProcessor.kt
index 8ac309ed..994e2135 100644
--- a/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/like/APLikeProcessor.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/like/APLikeProcessor.kt
@@ -42,7 +42,6 @@ class APLikeProcessor(
             logger.trace("", e)
             return
         }
-
     }
 
     override fun isSupported(activityType: ActivityType): Boolean = activityType == ActivityType.Like
diff --git a/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/undo/APUndoProcessor.kt b/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/undo/APUndoProcessor.kt
index 84d25edb..864c848f 100644
--- a/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/undo/APUndoProcessor.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/activitypub/service/activity/undo/APUndoProcessor.kt
@@ -24,70 +24,32 @@ class APUndoProcessor(
     private val reactionService: ReactionService,
     private val actorRepository: ActorRepository,
     private val postRepository: PostRepository
-) :
-    AbstractActivityPubProcessor<Undo>(transaction) {
+) : AbstractActivityPubProcessor<Undo>(transaction) {
     override suspend fun internalProcess(activity: ActivityPubProcessContext<Undo>) {
         val undo = activity.activity
 
-        val type =
-            undo.apObject.type
-                .firstOrNull { it == "Block" || it == "Follow" || it == "Like" || it == "Announce" || it == "Accept" }
-                ?: return
+        val type = undo.apObject.type.firstOrNull {
+            it == "Block" || it == "Follow" || it == "Like" || it == "Announce" || it == "Accept"
+        } ?: return
 
         when (type) {
             "Follow" -> {
-                val follow = undo.apObject as Follow
-
-                val follower = apUserService.fetchPersonWithEntity(undo.actor, follow.apObject).second
-                val target =
-                    actorRepository.findByUrl(follow.apObject) ?: throw UserNotFoundException.withUrl(follow.apObject)
-
-                relationshipService.unfollow(follower.id, target.id)
+                follow(undo)
                 return
             }
 
             "Block" -> {
-                val block = undo.apObject as Block
-
-                val blocker = apUserService.fetchPersonWithEntity(undo.actor, block.apObject).second
-                val target =
-                    actorRepository.findByUrl(block.apObject) ?: throw UserNotFoundException.withUrl(block.apObject)
-
-                relationshipService.unblock(blocker.id, target.id)
+                block(undo)
                 return
             }
 
             "Accept" -> {
-                val accept = undo.apObject as Accept
-
-                val acceptObject = if (accept.apObject is ObjectValue) {
-                    accept.apObject.`object`
-                } else if (accept.apObject is Follow) {
-                    accept.apObject.apObject
-                } else {
-                    logger.warn("FAILED Unsupported type. Undo Accept {}", accept.apObject.type)
-                    return
-                }
-
-                val accepter = apUserService.fetchPersonWithEntity(undo.actor, acceptObject).second
-                val target =
-                    actorRepository.findByUrl(acceptObject) ?: throw UserNotFoundException.withUrl(acceptObject)
-
-                relationshipService.rejectFollowRequest(accepter.id, target.id)
+                accept(undo)
                 return
             }
 
             "Like" -> {
-                val like = undo.apObject as Like
-
-                val post =
-                    postRepository.findByUrl(like.apObject) ?: throw PostNotFoundException.withUrl(like.apObject)
-
-                val signer =
-                    actorRepository.findById(post.actorId) ?: throw LocalUserNotFoundException.withId(post.actorId)
-                val actor = apUserService.fetchPersonWithEntity(like.actor, signer.url).second
-
-                reactionService.receiveRemoveReaction(actor.id, post.id)
+                like(undo)
                 return
             }
 
@@ -96,6 +58,57 @@ class APUndoProcessor(
         TODO()
     }
 
+    private suspend fun accept(undo: Undo) {
+        val accept = undo.apObject as Accept
+
+        val acceptObject = if (accept.apObject is ObjectValue) {
+            accept.apObject.`object`
+        } else if (accept.apObject is Follow) {
+            accept.apObject.apObject
+        } else {
+            logger.warn("FAILED Unsupported type. Undo Accept {}", accept.apObject.type)
+            return
+        }
+
+        val accepter = apUserService.fetchPersonWithEntity(undo.actor, acceptObject).second
+        val target = actorRepository.findByUrl(acceptObject) ?: throw UserNotFoundException.withUrl(acceptObject)
+
+        relationshipService.rejectFollowRequest(accepter.id, target.id)
+        return
+    }
+
+    private suspend fun like(undo: Undo) {
+        val like = undo.apObject as Like
+
+        val post = postRepository.findByUrl(like.apObject) ?: throw PostNotFoundException.withUrl(like.apObject)
+
+        val signer = actorRepository.findById(post.actorId) ?: throw LocalUserNotFoundException.withId(post.actorId)
+        val actor = apUserService.fetchPersonWithEntity(like.actor, signer.url).second
+
+        reactionService.receiveRemoveReaction(actor.id, post.id)
+        return
+    }
+
+    private suspend fun block(undo: Undo) {
+        val block = undo.apObject as Block
+
+        val blocker = apUserService.fetchPersonWithEntity(undo.actor, block.apObject).second
+        val target = actorRepository.findByUrl(block.apObject) ?: throw UserNotFoundException.withUrl(block.apObject)
+
+        relationshipService.unblock(blocker.id, target.id)
+        return
+    }
+
+    private suspend fun follow(undo: Undo) {
+        val follow = undo.apObject as Follow
+
+        val follower = apUserService.fetchPersonWithEntity(undo.actor, follow.apObject).second
+        val target = actorRepository.findByUrl(follow.apObject) ?: throw UserNotFoundException.withUrl(follow.apObject)
+
+        relationshipService.unfollow(follower.id, target.id)
+        return
+    }
+
     override fun isSupported(activityType: ActivityType): Boolean = activityType == ActivityType.Undo
 
     override fun type(): Class<Undo> = Undo::class.java
diff --git a/src/main/kotlin/dev/usbharu/hideout/activitypub/service/inbox/InboxJobProcessor.kt b/src/main/kotlin/dev/usbharu/hideout/activitypub/service/inbox/InboxJobProcessor.kt
index f090390e..aac33e17 100644
--- a/src/main/kotlin/dev/usbharu/hideout/activitypub/service/inbox/InboxJobProcessor.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/activitypub/service/inbox/InboxJobProcessor.kt
@@ -91,8 +91,7 @@ class InboxJobProcessor(
 
         logger.debug("Has signature? {}", signature != null)
 
-
-        //todo 不正なactorを取得してしまわないようにする
+        // todo 不正なactorを取得してしまわないようにする
         val verify =
             signature?.let {
                 verifyHttpSignature(
diff --git a/src/main/kotlin/dev/usbharu/hideout/activitypub/service/objects/note/APNoteService.kt b/src/main/kotlin/dev/usbharu/hideout/activitypub/service/objects/note/APNoteService.kt
index c0c4bea1..7d284e0f 100644
--- a/src/main/kotlin/dev/usbharu/hideout/activitypub/service/objects/note/APNoteService.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/activitypub/service/objects/note/APNoteService.kt
@@ -53,7 +53,9 @@ class APNoteServiceImpl(
             apResourceResolveService.resolve<Note>(url, null as Long?)
         } catch (e: ClientRequestException) {
             logger.warn(
-                "FAILED Failed to retrieve ActivityPub resource. HTTP Status Code: {} url: {}", e.response.status, url
+                "FAILED Failed to retrieve ActivityPub resource. HTTP Status Code: {} url: {}",
+                e.response.status,
+                url
             )
             throw FailedToGetActivityPubResourceException("Could not retrieve $url.", e)
         }
@@ -63,14 +65,15 @@ class APNoteServiceImpl(
     }
 
     private suspend fun saveIfMissing(
-        note: Note, targetActor: String?, url: String
-    ): Pair<Note, Post> {
-        return noteQueryService.findByApid(note.id) ?: saveNote(note, targetActor, url)
-    }
+        note: Note,
+        targetActor: String?,
+        url: String
+    ): Pair<Note, Post> = noteQueryService.findByApid(note.id) ?: saveNote(note, targetActor, url)
 
     private suspend fun saveNote(note: Note, targetActor: String?, url: String): Pair<Note, Post> {
         val person = apUserService.fetchPersonWithEntity(
-            note.attributedTo, targetActor
+            note.attributedTo,
+            targetActor
         )
 
         val post = postRepository.findByApId(note.id)
@@ -101,7 +104,10 @@ class APNoteServiceImpl(
         val mediaList = note.attachment.map {
             mediaService.uploadRemoteMedia(
                 RemoteMedia(
-                    it.name, it.url, it.mediaType, description = it.name
+                    it.name,
+                    it.url,
+                    it.mediaType,
+                    description = it.name
                 )
             )
         }.map { it.id }
diff --git a/src/main/kotlin/dev/usbharu/hideout/activitypub/service/objects/user/APUserService.kt b/src/main/kotlin/dev/usbharu/hideout/activitypub/service/objects/user/APUserService.kt
index f366ac2f..503785c5 100644
--- a/src/main/kotlin/dev/usbharu/hideout/activitypub/service/objects/user/APUserService.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/activitypub/service/objects/user/APUserService.kt
@@ -12,7 +12,6 @@ import dev.usbharu.hideout.core.domain.model.actor.Actor
 import dev.usbharu.hideout.core.domain.model.actor.ActorRepository
 import dev.usbharu.hideout.core.service.user.RemoteUserCreateDto
 import dev.usbharu.hideout.core.service.user.UserService
-import org.slf4j.LoggerFactory
 import org.springframework.stereotype.Service
 
 interface APUserService {
@@ -83,7 +82,6 @@ class APUserServiceImpl(
             return entityToPerson(userEntity, userEntity.url) to userEntity
         }
 
-
         val person = apResourceResolveService.resolve<Person>(url, null as Long?)
 
         val id = person.id
@@ -111,7 +109,6 @@ class APUserServiceImpl(
                 locked = person.manuallyApprovesFollowers
             )
         )
-
     }
 
     private fun entityToPerson(
@@ -141,8 +138,4 @@ class APUserServiceImpl(
         following = actorEntity.following,
         manuallyApprovesFollowers = actorEntity.locked
     )
-
-    companion object {
-        private val logger = LoggerFactory.getLogger(APUserServiceImpl::class.java)
-    }
 }
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/domain/exception/resource/UserNotFoundException.kt b/src/main/kotlin/dev/usbharu/hideout/core/domain/exception/resource/UserNotFoundException.kt
index 0560be92..30e2f133 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/domain/exception/resource/UserNotFoundException.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/domain/exception/resource/UserNotFoundException.kt
@@ -18,7 +18,6 @@ open class UserNotFoundException : NotFoundException {
         @Serial
         private const val serialVersionUID: Long = 3219433672235626200L
 
-
         fun withName(string: String, throwable: Throwable? = null): UserNotFoundException =
             UserNotFoundException("name: $string was not found.", throwable)
 
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/domain/exception/resource/local/LocalUserNotFoundException.kt b/src/main/kotlin/dev/usbharu/hideout/core/domain/exception/resource/local/LocalUserNotFoundException.kt
index b2cdb0ae..672dfc53 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/domain/exception/resource/local/LocalUserNotFoundException.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/domain/exception/resource/local/LocalUserNotFoundException.kt
@@ -15,7 +15,6 @@ class LocalUserNotFoundException : UserNotFoundException {
         writableStackTrace
     )
 
-
     companion object {
         @Serial
         private const val serialVersionUID: Long = -4742548128672528145L
@@ -29,5 +28,4 @@ class LocalUserNotFoundException : UserNotFoundException {
         fun withUrl(url: String, throwable: Throwable? = null): LocalUserNotFoundException =
             LocalUserNotFoundException("url: $url was not found.", throwable)
     }
-
 }
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/Actor.kt b/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/Actor.kt
index 5eb351e3..71fed7e9 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/Actor.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/Actor.kt
@@ -57,7 +57,6 @@ data class Actor private constructor(
             postsCount: Int = 0,
             lastPostDate: Instant? = null
         ): Actor {
-
             if (id == 0L) {
                 return Actor(
                     id = id,
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorRepository.kt b/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorRepository.kt
index ae39290a..5f87a817 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorRepository.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/domain/model/actor/ActorRepository.kt
@@ -3,6 +3,7 @@ package dev.usbharu.hideout.core.domain.model.actor
 import org.springframework.stereotype.Repository
 
 @Repository
+@Suppress("TooManyFunctions")
 interface ActorRepository {
     suspend fun save(actor: Actor): Actor
 
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/domain/model/instance/InstanceRepository.kt b/src/main/kotlin/dev/usbharu/hideout/core/domain/model/instance/InstanceRepository.kt
index c9ada9ff..c7676096 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/domain/model/instance/InstanceRepository.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/domain/model/instance/InstanceRepository.kt
@@ -5,5 +5,5 @@ interface InstanceRepository {
     suspend fun save(instance: Instance): Instance
     suspend fun findById(id: Long): Instance?
     suspend fun delete(instance: Instance)
-    suspend fun findByUrl(url:String):Instance?
+    suspend fun findByUrl(url: String): Instance?
 }
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/ReactionRepository.kt b/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/ReactionRepository.kt
index ae8cad08..0b6183b5 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/ReactionRepository.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/domain/model/reaction/ReactionRepository.kt
@@ -3,6 +3,7 @@ package dev.usbharu.hideout.core.domain.model.reaction
 import org.springframework.stereotype.Repository
 
 @Repository
+@Suppress("FunctionMaxLength")
 interface ReactionRepository {
     suspend fun generateId(): Long
     suspend fun save(reaction: Reaction): Reaction
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/domain/model/relationship/RelationshipRepository.kt b/src/main/kotlin/dev/usbharu/hideout/core/domain/model/relationship/RelationshipRepository.kt
index 4496f146..ac96db6b 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/domain/model/relationship/RelationshipRepository.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/domain/model/relationship/RelationshipRepository.kt
@@ -31,8 +31,9 @@ interface RelationshipRepository {
 
     suspend fun deleteByActorIdOrTargetActorId(actorId: Long, targetActorId: Long)
 
-    suspend fun findByTargetIdAndFollowing(targetId: Long,following:Boolean):List<Relationship>
+    suspend fun findByTargetIdAndFollowing(targetId: Long, following: Boolean): List<Relationship>
 
+    @Suppress("LongParameterList", "FunctionMaxLength")
     suspend fun findByTargetIdAndFollowRequestAndIgnoreFollowRequest(
         maxId: Long?,
         sinceId: Long?,
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/domain/model/relationship/RelationshipRepositoryImpl.kt b/src/main/kotlin/dev/usbharu/hideout/core/domain/model/relationship/RelationshipRepositoryImpl.kt
index ab4278de..a8085686 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/domain/model/relationship/RelationshipRepositoryImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/domain/model/relationship/RelationshipRepositoryImpl.kt
@@ -12,13 +12,11 @@ import org.springframework.stereotype.Service
 @Service
 class RelationshipRepositoryImpl : RelationshipRepository, AbstractRepository() {
     override suspend fun save(relationship: Relationship): Relationship = query {
-        val singleOrNull =
-            Relationships
-                .select {
-                    (Relationships.actorId eq relationship.actorId)
-                        .and(Relationships.targetActorId eq relationship.targetActorId)
-                }.forUpdate()
-                .singleOrNull()
+        val singleOrNull = Relationships.select {
+            (Relationships.actorId eq relationship.actorId).and(
+                Relationships.targetActorId eq relationship.targetActorId
+            )
+        }.forUpdate().singleOrNull()
 
         if (singleOrNull == null) {
             Relationships.insert {
@@ -31,34 +29,33 @@ class RelationshipRepositoryImpl : RelationshipRepository, AbstractRepository()
                 it[ignoreFollowRequestFromTarget] = relationship.ignoreFollowRequestToTarget
             }
         } else {
-            Relationships
-                .update({
-                    (Relationships.actorId eq relationship.actorId)
-                        .and(Relationships.targetActorId eq relationship.targetActorId)
-                }) {
-                    it[following] = relationship.following
-                    it[blocking] = relationship.blocking
-                    it[muting] = relationship.muting
-                    it[followRequest] = relationship.followRequest
-                    it[ignoreFollowRequestFromTarget] = relationship.ignoreFollowRequestToTarget
-                }
+            Relationships.update({
+                (Relationships.actorId eq relationship.actorId).and(
+                    Relationships.targetActorId eq relationship.targetActorId
+                )
+            }) {
+                it[following] = relationship.following
+                it[blocking] = relationship.blocking
+                it[muting] = relationship.muting
+                it[followRequest] = relationship.followRequest
+                it[ignoreFollowRequestFromTarget] = relationship.ignoreFollowRequestToTarget
+            }
         }
         return@query relationship
     }
 
     override suspend fun delete(relationship: Relationship): Unit = query {
         Relationships.deleteWhere {
-            (Relationships.actorId eq relationship.actorId)
-                .and(Relationships.targetActorId eq relationship.targetActorId)
+            (Relationships.actorId eq relationship.actorId).and(
+                Relationships.targetActorId eq relationship.targetActorId
+            )
         }
     }
 
     override suspend fun findByUserIdAndTargetUserId(actorId: Long, targetActorId: Long): Relationship? = query {
         return@query Relationships.select {
-            (Relationships.actorId eq actorId)
-                .and(Relationships.targetActorId eq targetActorId)
-        }.singleOrNull()
-            ?.toRelationships()
+            (Relationships.actorId eq actorId).and(Relationships.targetActorId eq targetActorId)
+        }.singleOrNull()?.toRelationships()
     }
 
     override suspend fun deleteByActorIdOrTargetActorId(actorId: Long, targetActorId: Long): Unit = query {
@@ -68,7 +65,8 @@ class RelationshipRepositoryImpl : RelationshipRepository, AbstractRepository()
     }
 
     override suspend fun findByTargetIdAndFollowing(targetId: Long, following: Boolean): List<Relationship> = query {
-        return@query Relationships.select { Relationships.targetActorId eq targetId and (Relationships.following eq following) }
+        return@query Relationships
+            .select { Relationships.targetActorId eq targetId and (Relationships.following eq following) }
             .map { it.toRelationships() }
     }
 
@@ -81,8 +79,7 @@ class RelationshipRepositoryImpl : RelationshipRepository, AbstractRepository()
         ignoreFollowRequest: Boolean
     ): List<Relationship> = query {
         val query = Relationships.select {
-            Relationships.targetActorId.eq(targetId)
-                .and(Relationships.followRequest.eq(followRequest))
+            Relationships.targetActorId.eq(targetId).and(Relationships.followRequest.eq(followRequest))
                 .and(Relationships.ignoreFollowRequestFromTarget.eq(ignoreFollowRequest))
         }.limit(limit)
 
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/AbstractRepository.kt b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/AbstractRepository.kt
index 14da46c8..3e22db17 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/AbstractRepository.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/AbstractRepository.kt
@@ -6,6 +6,7 @@ import org.springframework.beans.factory.annotation.Value
 import org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator
 import java.sql.SQLException
 
+@Suppress("VarCouldBeVal")
 abstract class AbstractRepository {
     protected abstract val logger: Logger
     private val sqlErrorCodeSQLExceptionTranslator = SQLErrorCodeSQLExceptionTranslator()
@@ -18,8 +19,8 @@ abstract class AbstractRepository {
     private var traceQueryCall: Boolean = false
 
     protected suspend fun <T> query(block: () -> T): T = try {
-
         if (traceQueryCall) {
+            @Suppress("ThrowingExceptionsWithoutMessageOrCause")
             logger.trace(
                 """
 ***** QUERY CALL STACK TRACE *****
@@ -29,11 +30,9 @@ ${Throwable().stackTrace.joinToString("\n")}
 ***** QUERY CALL STACK TRACE *****
 """
             )
-
         }
 
         block.invoke()
-
     } catch (e: SQLException) {
         if (traceQueryException) {
             logger.trace("FAILED EXECUTE SQL", e)
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ActorRepositoryImpl.kt b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ActorRepositoryImpl.kt
index fcb8a736..f4a70693 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ActorRepositoryImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ActorRepositoryImpl.kt
@@ -18,14 +18,12 @@ class ActorRepositoryImpl(
     private val actorResultRowMapper: ResultRowMapper<Actor>,
     private val actorQueryMapper: QueryMapper<Actor>
 ) : ActorRepository, AbstractRepository() {
-
+    override val logger: Logger
+        get() = Companion.logger
 
     override suspend fun save(actor: Actor): Actor = query {
-
-
         val singleOrNull = Actors.select { Actors.id eq actor.id }.forUpdate().empty()
         if (singleOrNull) {
-
             Actors.insert {
                 it[id] = actor.id
                 it[name] = actor.name
@@ -125,9 +123,6 @@ class ActorRepositoryImpl(
     companion object {
         private val logger = LoggerFactory.getLogger(ActorRepositoryImpl::class.java)
     }
-
-    override val logger: Logger
-        get() = Companion.logger
 }
 
 object Actors : Table("actors") {
@@ -136,14 +131,16 @@ object Actors : Table("actors") {
     val domain: Column<String> = varchar("domain", length = 1000)
     val screenName: Column<String> = varchar("screen_name", length = 300)
     val description: Column<String> = varchar(
-        "description", length = 10000
+        "description",
+        length = 10000
     )
     val inbox: Column<String> = varchar("inbox", length = 1000).uniqueIndex()
     val outbox: Column<String> = varchar("outbox", length = 1000).uniqueIndex()
     val url: Column<String> = varchar("url", length = 1000).uniqueIndex()
     val publicKey: Column<String> = varchar("public_key", length = 10000)
     val privateKey: Column<String?> = varchar(
-        "private_key", length = 10000
+        "private_key",
+        length = 10000
     ).nullable()
     val createdAt: Column<Long> = long("created_at")
     val keyId = varchar("key_id", length = 1000)
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/DeletedActorRepositoryImpl.kt b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/DeletedActorRepositoryImpl.kt
index 4495e151..36b22b80 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/DeletedActorRepositoryImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/DeletedActorRepositoryImpl.kt
@@ -11,6 +11,9 @@ import org.springframework.stereotype.Repository
 
 @Repository
 class DeletedActorRepositoryImpl : DeletedActorRepository, AbstractRepository() {
+    override val logger: Logger
+        get() = Companion.logger
+
     override suspend fun save(deletedActor: DeletedActor): DeletedActor = query {
         val singleOrNull = DeletedActors.select { DeletedActors.id eq deletedActor.id }.forUpdate().singleOrNull()
 
@@ -51,9 +54,6 @@ class DeletedActorRepositoryImpl : DeletedActorRepository, AbstractRepository()
             ?.toDeletedActor()
     }
 
-    override val logger: Logger
-        get() = Companion.logger
-
     companion object {
         private val logger = LoggerFactory.getLogger(DeletedActorRepositoryImpl::class.java)
     }
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedTimelineRepository.kt b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedTimelineRepository.kt
index e90a63e0..2630f733 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedTimelineRepository.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedTimelineRepository.kt
@@ -16,6 +16,9 @@ import org.springframework.stereotype.Repository
 @ConditionalOnProperty("hideout.use-mongodb", havingValue = "false", matchIfMissing = true)
 class ExposedTimelineRepository(private val idGenerateService: IdGenerateService) : TimelineRepository,
     AbstractRepository() {
+    override val logger: Logger
+        get() = Companion.logger
+
     override suspend fun generateId(): Long = idGenerateService.generateId()
 
     override suspend fun save(timeline: Timeline): Timeline = query {
@@ -82,16 +85,14 @@ class ExposedTimelineRepository(private val idGenerateService: IdGenerateService
             .map { it.toTimeline() }
     }
 
-    override val logger: Logger
-        get() = Companion.logger
-
     companion object {
         private val logger = LoggerFactory.getLogger(ExposedTimelineRepository::class.java)
     }
 }
 
 fun ResultRow.toTimeline(): Timeline {
-    return Timeline(id = this[Timelines.id],
+    return Timeline(
+        id = this[Timelines.id],
         userId = this[Timelines.userId],
         timelineId = this[Timelines.timelineId],
         postId = this[Timelines.postId],
@@ -103,7 +104,8 @@ fun ResultRow.toTimeline(): Timeline {
         sensitive = this[Timelines.sensitive],
         isLocal = this[Timelines.isLocal],
         isPureRepost = this[Timelines.isPureRepost],
-        mediaIds = this[Timelines.mediaIds].split(",").mapNotNull { it.toLongOrNull() })
+        mediaIds = this[Timelines.mediaIds].split(",").mapNotNull { it.toLongOrNull() }
+    )
 }
 
 object Timelines : Table("timelines") {
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/InstanceRepositoryImpl.kt b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/InstanceRepositoryImpl.kt
index 2a49c939..485cf6de 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/InstanceRepositoryImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/InstanceRepositoryImpl.kt
@@ -13,6 +13,9 @@ import dev.usbharu.hideout.core.domain.model.instance.Instance as InstanceEntity
 @Repository
 class InstanceRepositoryImpl(private val idGenerateService: IdGenerateService) : InstanceRepository,
     AbstractRepository() {
+    override val logger: Logger
+        get() = Companion.logger
+
     override suspend fun generateId(): Long = idGenerateService.generateId()
 
     override suspend fun save(instance: InstanceEntity): InstanceEntity = query {
@@ -62,9 +65,6 @@ class InstanceRepositoryImpl(private val idGenerateService: IdGenerateService) :
         return@query Instance.select { Instance.url eq url }.singleOrNull()?.toInstance()
     }
 
-    override val logger: Logger
-        get() = Companion.logger
-
     companion object {
         private val logger = LoggerFactory.getLogger(InstanceRepositoryImpl::class.java)
     }
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/MediaRepositoryImpl.kt b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/MediaRepositoryImpl.kt
index 979c4a76..c838031c 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/MediaRepositoryImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/MediaRepositoryImpl.kt
@@ -14,6 +14,9 @@ import dev.usbharu.hideout.core.domain.model.media.Media as EntityMedia
 
 @Repository
 class MediaRepositoryImpl(private val idGenerateService: IdGenerateService) : MediaRepository, AbstractRepository() {
+    override val logger: Logger
+        get() = Companion.logger
+
     override suspend fun generateId(): Long = idGenerateService.generateId()
 
     override suspend fun save(media: EntityMedia): EntityMedia = query {
@@ -65,10 +68,7 @@ class MediaRepositoryImpl(private val idGenerateService: IdGenerateService) : Me
     override suspend fun findByRemoteUrl(remoteUrl: String): dev.usbharu.hideout.core.domain.model.media.Media? =
         query {
             return@query Media.select { Media.remoteUrl eq remoteUrl }.singleOrNull()?.toMedia()
-    }
-
-    override val logger: Logger
-        get() = Companion.logger
+        }
 
     companion object {
         private val logger = LoggerFactory.getLogger(MediaRepositoryImpl::class.java)
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/PostRepositoryImpl.kt b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/PostRepositoryImpl.kt
index c8e88d96..2a1899fd 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/PostRepositoryImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/PostRepositoryImpl.kt
@@ -15,6 +15,8 @@ class PostRepositoryImpl(
     private val idGenerateService: IdGenerateService,
     private val postQueryMapper: QueryMapper<Post>
 ) : PostRepository, AbstractRepository() {
+    override val logger: Logger
+        get() = Companion.logger
 
     override suspend fun generateId(): Long = idGenerateService.generateId()
 
@@ -97,9 +99,6 @@ class PostRepositoryImpl(
         Posts.deleteWhere { Posts.id eq id }
     }
 
-    override val logger: Logger
-        get() = Companion.logger
-
     companion object {
         private val logger = LoggerFactory.getLogger(PostRepositoryImpl::class.java)
     }
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ReactionRepositoryImpl.kt b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ReactionRepositoryImpl.kt
index e1ead404..1a3a14ff 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ReactionRepositoryImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ReactionRepositoryImpl.kt
@@ -14,6 +14,8 @@ import org.springframework.stereotype.Repository
 class ReactionRepositoryImpl(
     private val idGenerateService: IdGenerateService
 ) : ReactionRepository, AbstractRepository() {
+    override val logger: Logger
+        get() = Companion.logger
 
     override suspend fun generateId(): Long = idGenerateService.generateId()
 
@@ -85,9 +87,6 @@ class ReactionRepositoryImpl(
             .map { it.toReaction() }
     }
 
-    override val logger: Logger
-        get() = Companion.logger
-
     companion object {
         private val logger = LoggerFactory.getLogger(ReactionRepositoryImpl::class.java)
     }
@@ -95,7 +94,10 @@ class ReactionRepositoryImpl(
 
 fun ResultRow.toReaction(): Reaction {
     return Reaction(
-        this[Reactions.id].value, this[Reactions.emojiId], this[Reactions.postId], this[Reactions.actorId]
+        this[Reactions.id].value,
+        this[Reactions.emojiId],
+        this[Reactions.postId],
+        this[Reactions.actorId]
     )
 }
 
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/UserDetailRepositoryImpl.kt b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/UserDetailRepositoryImpl.kt
index b64008dd..9b58365d 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/UserDetailRepositoryImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/UserDetailRepositoryImpl.kt
@@ -14,6 +14,9 @@ import org.springframework.stereotype.Repository
 
 @Repository
 class UserDetailRepositoryImpl : UserDetailRepository, AbstractRepository() {
+    override val logger: Logger
+        get() = Companion.logger
+
     override suspend fun save(userDetail: UserDetail): UserDetail = query {
         val singleOrNull = UserDetails.select { UserDetails.actorId eq userDetail.actorId }.forUpdate().singleOrNull()
         if (singleOrNull == null) {
@@ -48,9 +51,6 @@ class UserDetailRepositoryImpl : UserDetailRepository, AbstractRepository() {
             }
     }
 
-    override val logger: Logger
-        get() = Companion.logger
-
     companion object {
         private val logger = LoggerFactory.getLogger(UserDetailRepositoryImpl::class.java)
     }
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/httpsignature/HttpRequestMixIn.kt b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/httpsignature/HttpRequestMixIn.kt
index 4f998d91..4e14bdae 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/httpsignature/HttpRequestMixIn.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/httpsignature/HttpRequestMixIn.kt
@@ -13,6 +13,7 @@ import java.net.URL
 
 @JsonDeserialize(using = HttpRequestDeserializer::class)
 @JsonSubTypes
+@Suppress("UnnecessaryAbstractClass")
 abstract class HttpRequestMixIn
 
 class HttpRequestDeserializer : JsonDeserializer<HttpRequest>() {
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/kjobmongodb/KJobMongoJobQueueWorkerService.kt b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/kjobmongodb/KJobMongoJobQueueWorkerService.kt
index 71283023..6e5fdad1 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/kjobmongodb/KJobMongoJobQueueWorkerService.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/kjobmongodb/KJobMongoJobQueueWorkerService.kt
@@ -41,8 +41,8 @@ class KJobMongoJobQueueWorkerService(
         }
         for (jobProcessor in jobQueueProcessorList) {
             kjob.register(jobProcessor.job()) {
-
                 execute {
+                    @Suppress("TooGenericExceptionCaught")
                     try {
                         MDC.put("x-job-id", this.jobId)
                         val param = it.convertUnsafe(props)
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/interfaces/api/auth/AuthController.kt b/src/main/kotlin/dev/usbharu/hideout/core/interfaces/api/auth/AuthController.kt
index b42f791b..972df120 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/interfaces/api/auth/AuthController.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/interfaces/api/auth/AuthController.kt
@@ -6,5 +6,6 @@ import org.springframework.web.bind.annotation.GetMapping
 @Controller
 class AuthController {
     @GetMapping("/auth/sign_up")
+    @Suppress("FunctionOnlyReturningConstant")
     fun signUp(): String = "sign_up"
 }
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/service/media/LocalFileSystemMediaDataStore.kt b/src/main/kotlin/dev/usbharu/hideout/core/service/media/LocalFileSystemMediaDataStore.kt
index 2b329ebb..bae8977d 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/service/media/LocalFileSystemMediaDataStore.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/service/media/LocalFileSystemMediaDataStore.kt
@@ -74,6 +74,7 @@ class LocalFileSystemMediaDataStore(
         val fileSavePathString = fileSavePath.toAbsolutePath().toString()
         logger.info("MEDIA save. path: {}", fileSavePathString)
 
+        @Suppress("TooGenericExceptionCaught")
         try {
             dataSaveRequest.filePath.copyTo(fileSavePath)
             dataSaveRequest.thumbnailPath?.copyTo(thumbnailSavePath)
@@ -97,6 +98,7 @@ class LocalFileSystemMediaDataStore(
      */
     override suspend fun delete(id: String) {
         logger.info("START Media delete. id: {}", id)
+        @Suppress("TooGenericExceptionCaught")
         try {
             buildSavePath(savePath, id).deleteIfExists()
             buildSavePath(savePath, "thumbnail-$id").deleteIfExists()
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/service/media/MediaServiceImpl.kt b/src/main/kotlin/dev/usbharu/hideout/core/service/media/MediaServiceImpl.kt
index 1bcf9c69..6cc50463 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/service/media/MediaServiceImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/service/media/MediaServiceImpl.kt
@@ -99,7 +99,6 @@ class MediaServiceImpl(
     override suspend fun uploadRemoteMedia(remoteMedia: RemoteMedia): Media {
         logger.info("MEDIA Remote media. filename:${remoteMedia.name} url:${remoteMedia.url}")
 
-
         val findByRemoteUrl = mediaRepository.findByRemoteUrl(remoteMedia.url)
         if (findByRemoteUrl != null) {
             logger.warn("DUPLICATED Remote media is duplicated. url: {}", remoteMedia.url)
@@ -156,7 +155,7 @@ class MediaServiceImpl(
         }
     }
 
-    protected fun findMediaProcessor(mimeType: MimeType): MediaProcessService {
+    private fun findMediaProcessor(mimeType: MimeType): MediaProcessService {
         try {
             return mediaProcessServices.first {
                 try {
@@ -170,7 +169,7 @@ class MediaServiceImpl(
         }
     }
 
-    protected fun generateBlurhash(process: ProcessedMediaPath): String {
+    private fun generateBlurhash(process: ProcessedMediaPath): String {
         val path = if (process.thumbnailPath != null && process.thumbnailMimeType != null) {
             process.thumbnailPath
         } else {
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/service/post/PostServiceImpl.kt b/src/main/kotlin/dev/usbharu/hideout/core/service/post/PostServiceImpl.kt
index 52211b17..fcd44f67 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/service/post/PostServiceImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/service/post/PostServiceImpl.kt
@@ -81,7 +81,7 @@ class PostServiceImpl(
             timelineService.publishTimeline(post, isLocal)
             actorRepository.save(actor.incrementPostsCount())
             save
-        } catch (e: DuplicateException) {
+        } catch (_: DuplicateException) {
             postRepository.findByApId(post.apId) ?: throw PostNotFoundException.withApId(post.apId)
         }
     }
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/service/reaction/ReactionServiceImpl.kt b/src/main/kotlin/dev/usbharu/hideout/core/service/reaction/ReactionServiceImpl.kt
index 9d957dc1..2a731029 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/service/reaction/ReactionServiceImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/service/reaction/ReactionServiceImpl.kt
@@ -42,7 +42,6 @@ class ReactionServiceImpl(
             reactionRepository.delete(findByPostIdAndUserIdAndEmojiId)
         }
 
-
         val reaction = Reaction(reactionRepository.generateId(), 0, postId, actorId)
         reactionRepository.save(reaction)
         apReactionService.reaction(reaction)
diff --git a/src/main/kotlin/dev/usbharu/hideout/core/service/resource/InMemoryCacheManager.kt b/src/main/kotlin/dev/usbharu/hideout/core/service/resource/InMemoryCacheManager.kt
index 8cb59ba7..fc35b768 100644
--- a/src/main/kotlin/dev/usbharu/hideout/core/service/resource/InMemoryCacheManager.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/core/service/resource/InMemoryCacheManager.kt
@@ -33,7 +33,6 @@ class InMemoryCacheManager : CacheManager {
             val processed = try {
                 block()
             } catch (e: Exception) {
-                e.printStackTrace()
                 cacheKey.remove(key)
                 throw e
             }
diff --git a/src/main/kotlin/dev/usbharu/hideout/mastodon/service/status/StatusesApiService.kt b/src/main/kotlin/dev/usbharu/hideout/mastodon/service/status/StatusesApiService.kt
index c51aca0c..1a095d82 100644
--- a/src/main/kotlin/dev/usbharu/hideout/mastodon/service/status/StatusesApiService.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/mastodon/service/status/StatusesApiService.kt
@@ -59,7 +59,6 @@ class StatsesApiServiceImpl(
             } else {
                 actorRepository.findById(findById.actorId)?.id
             }
-
         } else {
             null
         }