diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/shared/AbstractApplicationService.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/shared/AbstractApplicationService.kt
index 9006f5fc..14877a92 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/shared/AbstractApplicationService.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/application/shared/AbstractApplicationService.kt
@@ -19,6 +19,7 @@ package dev.usbharu.hideout.core.application.shared
 import dev.usbharu.hideout.core.domain.model.support.principal.Principal
 import kotlinx.coroutines.CancellationException
 import org.slf4j.Logger
+import org.slf4j.MDC
 
 abstract class AbstractApplicationService<T : Any, R>(
     protected val transaction: Transaction,
@@ -26,6 +27,7 @@ abstract class AbstractApplicationService<T : Any, R>(
 ) : ApplicationService<T, R> {
     override suspend fun execute(command: T, principal: Principal): R {
         return try {
+            MDC.put("applicationService", this::class.simpleName)
             logger.debug("START {}", command::class.simpleName)
             val response = transaction.transaction<R> {
                 internalExecute(command, principal)
@@ -39,6 +41,8 @@ abstract class AbstractApplicationService<T : Any, R>(
         } catch (@Suppress("TooGenericExceptionCaught") e: Exception) {
             logger.warn("Command execution error", e)
             throw e
+        } finally {
+            MDC.remove("applicationService")
         }
     }
 
diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/springframework/ApplicationRequestLogInterceptor.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/springframework/ApplicationRequestLogInterceptor.kt
index c368f482..c6986456 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/springframework/ApplicationRequestLogInterceptor.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/springframework/ApplicationRequestLogInterceptor.kt
@@ -3,6 +3,7 @@ package dev.usbharu.hideout.core.infrastructure.springframework
 import dev.usbharu.hideout.core.infrastructure.springframework.oauth2.HideoutUserDetails
 import jakarta.servlet.http.HttpServletRequest
 import jakarta.servlet.http.HttpServletResponse
+import org.slf4j.LoggerFactory
 import org.slf4j.MDC
 import org.springframework.security.core.context.SecurityContextHolder
 import org.springframework.security.oauth2.jwt.Jwt
@@ -14,7 +15,7 @@ import java.util.*
 class ApplicationRequestLogInterceptor : AsyncHandlerInterceptor {
     override fun preHandle(request: HttpServletRequest, response: HttpServletResponse, handler: Any): Boolean {
         MDC.put(requestId, UUID.randomUUID().toString())
-
+        MDC.put(Companion.handler, handler.toString())
         val userDetailId = when (val principal = SecurityContextHolder.getContext().authentication?.principal) {
             is HideoutUserDetails -> {
                 principal.userDetailsId
@@ -29,10 +30,13 @@ class ApplicationRequestLogInterceptor : AsyncHandlerInterceptor {
             }
         }
 
+
+
         if (userDetailId != null) {
             MDC.put(userId, userDetailId.toString())
         }
 
+        logger.info("START")
         return true
     }
 
@@ -56,10 +60,13 @@ class ApplicationRequestLogInterceptor : AsyncHandlerInterceptor {
     private fun removeMdc() {
         MDC.remove(requestId)
         MDC.remove(userId)
+        MDC.remove(handler)
     }
 
     companion object {
         const val requestId: String = "requestId"
         const val userId: String = "userId"
+        const val handler: String = "handler"
+        private val logger = LoggerFactory.getLogger(ApplicationRequestLogInterceptor::class.java)
     }
 }
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