diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/member/auth/AuthController.kt b/src/main/kotlin/kr/co/vividnext/sodalive/member/auth/AuthController.kt
index 8a7cecc..1d0ea2e 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/member/auth/AuthController.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/member/auth/AuthController.kt
@@ -19,6 +19,14 @@ class AuthController(private val service: AuthService) {
     ) = run {
         if (member == null) throw SodaException("로그인 정보를 확인해주세요.")
 
-        ApiResponse.ok(service.verify(member.id!!, request))
+        val authenticateData = service.certificate(request, memberId = member.id!!)
+
+        if (service.isBlockAuth(authenticateData)) {
+            service.signOut(member.id!!)
+        } else {
+            service.authenticate(authenticateData, member.id!!)
+        }
+
+        ApiResponse.ok(null, null)
     }
 }
diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/member/auth/AuthService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/member/auth/AuthService.kt
index 9f0a9c3..bebc52e 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/member/auth/AuthService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/member/auth/AuthService.kt
@@ -11,7 +11,6 @@ import org.springframework.beans.factory.annotation.Value
 import org.springframework.data.repository.findByIdOrNull
 import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
-import java.time.LocalDate
 
 @Service
 class AuthService(
@@ -30,7 +29,7 @@ class AuthService(
 ) {
     private val blockMessage = "운영정책을 위반하여 이용을 제한합니다."
 
-    fun verify(memberId: Long, request: AuthVerifyRequest) {
+    fun certificate(request: AuthVerifyRequest, memberId: Long): AuthVerifyCertificate {
         val bootpay = Bootpay(bootpayApplicationId, bootpayPrivateKey)
 
         val authId = repository.getAuthIdByMemberId(memberId = memberId)
@@ -51,41 +50,27 @@ class AuthService(
             certificateResult.statusLocale == "본인인증완료" &&
             certificateResult.receiptId == request.receiptId
         ) {
-            val certificate = certificateResult.authenticateData
-            if (!checkBlockAuth(certificate, memberId)) {
-                throw SodaException(blockMessage)
-            } else {
-                val nowYear = LocalDate.now().year
-                val certificateYear = certificate.birth.substring(0, 4).toInt()
-
-                if (nowYear - certificateYear >= 19) {
-                    authenticate(certificate, memberId)
-                } else {
-                    throw SodaException("19세 미만 인증 오류")
-                }
-            }
+            return certificateResult.authenticateData
         } else {
             throw SodaException("인증정보에 오류가 있습니다.\n다시 시도해 주세요.")
         }
     }
 
-    @Transactional
-    fun checkBlockAuth(certificate: AuthVerifyCertificate, memberId: Long): Boolean {
+    fun isBlockAuth(certificate: AuthVerifyCertificate): Boolean {
         val blockAuthId = blockAuthRepository.findByUniqueCiAndDi(certificate.unique, certificate.di)
-        if (blockAuthId != null && blockAuthId > 0) {
-            val member = memberRepository.findByIdOrNull(memberId) ?: throw SodaException("로그인 정보를 확인해주세요.")
-            member.isActive = false
+        return blockAuthId != null && blockAuthId > 0
+    }
 
-            val signOut = SignOut(reason = blockMessage)
-            signOut.member = member
-            signOutRepository.save(signOut)
+    @Transactional
+    fun signOut(memberId: Long) {
+        val member = memberRepository.findByIdOrNull(memberId) ?: throw SodaException("로그인 정보를 확인해주세요.")
+        member.isActive = false
 
-            memberService.logoutAll(memberId = member.id!!)
+        val signOut = SignOut(reason = blockMessage)
+        signOut.member = member
+        signOutRepository.save(signOut)
 
-            return true
-        }
-
-        return false
+        memberService.logoutAll(memberId = memberId)
     }
 
     @Transactional