diff --git a/src/main/kotlin/dev/usbharu/hideout/service/impl/PostService.kt b/src/main/kotlin/dev/usbharu/hideout/service/impl/PostService.kt
index ba11153f..71b1b10f 100644
--- a/src/main/kotlin/dev/usbharu/hideout/service/impl/PostService.kt
+++ b/src/main/kotlin/dev/usbharu/hideout/service/impl/PostService.kt
@@ -5,9 +5,13 @@ import dev.usbharu.hideout.repository.IPostRepository
 import dev.usbharu.hideout.service.IPostService
 import dev.usbharu.hideout.service.activitypub.ActivityPubNoteService
 import dev.usbharu.hideout.service.job.JobQueueParentService
+import org.slf4j.LoggerFactory
 
 class PostService(private val postRepository:IPostRepository,private val activityPubNoteService: ActivityPubNoteService) : IPostService {
+
+    private val logger = LoggerFactory.getLogger(this::class.java)
     override suspend fun create(post: Post) {
+        logger.debug("create post={}",post)
         val postEntity = postRepository.insert(post)
         activityPubNoteService.createNote(postEntity)
     }
diff --git a/src/main/resources/logback.xml b/src/main/resources/logback.xml
index a2c79be6..bae7027f 100644
--- a/src/main/resources/logback.xml
+++ b/src/main/resources/logback.xml
@@ -11,4 +11,5 @@
   <logger name="io.netty" level="INFO"/>
   <logger name="kjob.core.internal.scheduler.JobServiceImpl" level="INFO"/>
   <logger name="Exposed" level="INFO"/>
+  <logger name="io.ktor.server.plugins.contentnegotiation" level="INFO"/>
 </configuration>