diff --git a/src/main/java/roomescape/system/auth/service/AuthService.kt b/src/main/java/roomescape/system/auth/service/AuthService.kt
index c2bf1a00..b6394130 100644
--- a/src/main/java/roomescape/system/auth/service/AuthService.kt
+++ b/src/main/java/roomescape/system/auth/service/AuthService.kt
@@ -1,34 +1,32 @@
-package roomescape.system.auth.service;
+package roomescape.system.auth.service
 
-import org.springframework.stereotype.Service;
-
-import roomescape.member.business.MemberService;
-import roomescape.member.infrastructure.persistence.Member;
-import roomescape.system.auth.web.LoginCheckResponse;
-import roomescape.system.auth.web.LoginRequest;
-import roomescape.system.auth.infrastructure.jwt.JwtHandler;
-import roomescape.system.auth.infrastructure.jwt.TokenDto;
+import org.springframework.stereotype.Service
+import roomescape.member.business.MemberService
+import roomescape.member.infrastructure.persistence.Member
+import roomescape.system.auth.infrastructure.jwt.JwtHandler
+import roomescape.system.auth.web.LoginCheckResponse
+import roomescape.system.auth.web.LoginRequest
+import roomescape.system.auth.web.TokenResponse
 
 @Service
-public class AuthService {
+class AuthService(
+        private val memberService: MemberService,
+        private val jwtHandler: JwtHandler
+) {
+    fun login(request: LoginRequest): TokenResponse {
+        val member: Member = memberService.findMemberByEmailAndPassword(
+                request.email,
+                request.password
+        )
 
-	private final MemberService memberService;
-	private final JwtHandler jwtHandler;
+        val accessToken: String = jwtHandler.createToken(member.id!!)
 
-	public AuthService(MemberService memberService, JwtHandler jwtHandler) {
-		this.memberService = memberService;
-		this.jwtHandler = jwtHandler;
-	}
+        return TokenResponse(accessToken)
+    }
 
-	public TokenDto login(LoginRequest request) {
-		Member member = memberService.findMemberByEmailAndPassword(request.email(), request.password());
+    fun checkLogin(memberId: Long): LoginCheckResponse {
+        val member = memberService.findById(memberId)
 
-		return jwtHandler.createToken(member.getId());
-	}
-
-	public LoginCheckResponse checkLogin(Long memberId) {
-		Member member = memberService.findById(memberId);
-
-		return new LoginCheckResponse(member.getName());
-	}
+        return LoginCheckResponse(member.name)
+    }
 }