diff --git a/src/main/kotlin/dev/usbharu/hideout/controller/NoteApControllerImpl.kt b/src/main/kotlin/dev/usbharu/hideout/controller/NoteApControllerImpl.kt
index 36e27859..0c330524 100644
--- a/src/main/kotlin/dev/usbharu/hideout/controller/NoteApControllerImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/controller/NoteApControllerImpl.kt
@@ -17,7 +17,9 @@ class NoteApControllerImpl(private val noteApApiService: NoteApApiService) : Not
         @CurrentSecurityContext context: SecurityContext
     ): ResponseEntity<Note> {
         val userId =
-            if (context.authentication is PreAuthenticatedAuthenticationToken && context.authentication.details is HttpSignatureUser) {
+            if (context.authentication is PreAuthenticatedAuthenticationToken &&
+                context.authentication.details is HttpSignatureUser
+            ) {
                 (context.authentication.details as HttpSignatureUser).id
             } else {
                 null
diff --git a/src/main/kotlin/dev/usbharu/hideout/query/activitypub/NoteQueryServiceImpl.kt b/src/main/kotlin/dev/usbharu/hideout/query/activitypub/NoteQueryServiceImpl.kt
index 93992395..b6affcbb 100644
--- a/src/main/kotlin/dev/usbharu/hideout/query/activitypub/NoteQueryServiceImpl.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/query/activitypub/NoteQueryServiceImpl.kt
@@ -21,7 +21,6 @@ class NoteQueryServiceImpl(private val postRepository: PostRepository) : NoteQue
             .leftJoin(Media)
             .select { Posts.id eq id }
             .let { it.toNote() to it.toPost().first() }
-
     }
 
     private suspend fun ResultRow.toNote(mediaList: List<dev.usbharu.hideout.domain.model.hideout.entity.Media>): Note {
diff --git a/src/main/kotlin/dev/usbharu/hideout/service/signature/HttpSignatureFilter.kt b/src/main/kotlin/dev/usbharu/hideout/service/signature/HttpSignatureFilter.kt
index 07c2b7b1..6a2444b8 100644
--- a/src/main/kotlin/dev/usbharu/hideout/service/signature/HttpSignatureFilter.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/service/signature/HttpSignatureFilter.kt
@@ -18,9 +18,9 @@ class HttpSignatureFilter(private val httpSignatureHeaderParser: SignatureHeader
 
         val signature = try {
             httpSignatureHeaderParser.parse(HttpHeaders(headers))
-        } catch (e: IllegalArgumentException) {
+        } catch (_: IllegalArgumentException) {
             return null
-        } catch (e: RuntimeException) {
+        } catch (_: RuntimeException) {
             return ""
         }
         return signature.keyId