diff --git a/src/main/java/com/fullcar/core/config/jwt/JwtTokenProvider.java b/src/main/java/com/fullcar/core/config/jwt/JwtTokenProvider.java
index 4712a61..1644979 100644
--- a/src/main/java/com/fullcar/core/config/jwt/JwtTokenProvider.java
+++ b/src/main/java/com/fullcar/core/config/jwt/JwtTokenProvider.java
@@ -8,7 +8,7 @@
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;
-import org.springframework.stereotype.Component;;
+import org.springframework.stereotype.Component;
 
 import java.security.Key;
 import java.util.Date;
@@ -27,7 +27,6 @@ public class JwtTokenProvider {
     private Long refreshTokenExpireLength;
 
     private static final String AUTHORIZATION_HEADER = "Authorization";
-    private static final String REFRESH_AUTHORIZATION_HEADER = "Refresh";
 
     public String generateAccessToken(Member member) {
         Date now = new Date();
diff --git a/src/main/java/com/fullcar/member/application/auth/AppleAuthService.java b/src/main/java/com/fullcar/member/application/auth/AppleAuthService.java
index 40a3c0e..ffdfe59 100644
--- a/src/main/java/com/fullcar/member/application/auth/AppleAuthService.java
+++ b/src/main/java/com/fullcar/member/application/auth/AppleAuthService.java
@@ -6,10 +6,10 @@
 import com.fullcar.core.exception.BadRequestException;
 import com.fullcar.core.exception.UnauthorizedException;
 import com.fullcar.core.response.ErrorCode;
+import com.fullcar.member.application.member.MemberMapper;
 import com.fullcar.member.domain.auth.SocialId;
 import com.fullcar.member.domain.auth.service.SocialIdService;
 import com.fullcar.member.domain.member.Member;
-import com.fullcar.member.domain.member.service.MemberIdService;
 import com.fullcar.member.domain.member.MemberRepository;
 import com.fullcar.member.presentation.auth.dto.request.AuthRequestDto;
 import com.fullcar.member.presentation.auth.dto.response.SocialInfoResponseDto;
@@ -24,6 +24,7 @@
 import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
 import org.springframework.web.client.RestTemplate;
+import org.springframework.beans.factory.annotation.Value;
 
 import java.math.BigInteger;
 import java.security.KeyFactory;
@@ -37,12 +38,17 @@
 @RequiredArgsConstructor
 public class AppleAuthService implements AuthService {
 
+    @Value("${apple.client-id}")
+    private String clientId;
+
+    @Value("${apple.iss}")
+    private String iss;
+
     private final ObjectMapper objectMapper;
     private final JwtTokenProvider jwtTokenProvider;
     private final MemberRepository memberRepository;
-    private final MemberIdService memberIdService;
+    private final MemberMapper memberMapper;
     private final SocialIdService socialIdService;
-    private final AppleProperties appleProperties;
 
     @Override
     @Transactional
@@ -73,17 +79,13 @@ public SocialInfoResponseDto getMemberInfo(AuthRequestDto authRequestDto) {
 
     // 새로운 멤버 생성
     private void createMember(SocialId socialId, String deviceToken, String refreshToken) {
-        memberRepository.save(Member.builder()
-                .id(memberIdService.nextId())
-                .socialId(socialId)
-                .deviceToken(deviceToken)
-                .refreshToken(refreshToken)
-                .build());
+        Member member = memberMapper.toLoginEntity(socialId, deviceToken, refreshToken);
+        memberRepository.saveAndFlush(member);
     }
 
     // Claim 검증
     private void validateClaims(Claims claims) {
-        if (!claims.getIssuer().contains(appleProperties.getIss()) || !claims.getAudience().equals(appleProperties.getClientId())) {
+        if (!claims.getIssuer().contains(iss) || !claims.getAudience().equals(clientId)) {
             throw new UnauthorizedException(ErrorCode.INVALID_CLAIMS);
         }
     }
diff --git a/src/main/java/com/fullcar/member/application/auth/AppleProperties.java b/src/main/java/com/fullcar/member/application/auth/AppleProperties.java
index 8250b8e..a66ea07 100644
--- a/src/main/java/com/fullcar/member/application/auth/AppleProperties.java
+++ b/src/main/java/com/fullcar/member/application/auth/AppleProperties.java
@@ -1,12 +1,13 @@
 package com.fullcar.member.application.auth;
 
-import lombok.Getter;
-import org.springframework.boot.context.properties.ConfigurationProperties;
+import lombok.*;
 import org.springframework.stereotype.Component;
 
 @Component
-@ConfigurationProperties(prefix = "apple")
 @Getter
+@Builder
+@AllArgsConstructor(access = AccessLevel.PROTECTED)
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class AppleProperties {
     private String teamId;
     private String keyId;
diff --git a/src/main/java/com/fullcar/member/application/auth/KakaoAuthService.java b/src/main/java/com/fullcar/member/application/auth/KakaoAuthService.java
index 1bbf65d..4e66cb8 100644
--- a/src/main/java/com/fullcar/member/application/auth/KakaoAuthService.java
+++ b/src/main/java/com/fullcar/member/application/auth/KakaoAuthService.java
@@ -6,10 +6,10 @@
 import com.fullcar.core.config.jwt.JwtTokenProvider;
 import com.fullcar.core.exception.NotFoundException;
 import com.fullcar.core.response.ErrorCode;
+import com.fullcar.member.application.member.MemberMapper;
 import com.fullcar.member.domain.auth.SocialId;
 import com.fullcar.member.domain.auth.service.SocialIdService;
 import com.fullcar.member.domain.member.Member;
-import com.fullcar.member.domain.member.service.MemberIdService;
 import com.fullcar.member.domain.member.MemberRepository;
 import com.fullcar.member.presentation.auth.dto.request.AuthRequestDto;
 import com.fullcar.member.presentation.auth.dto.response.SocialInfoResponseDto;
@@ -34,8 +34,8 @@ public class KakaoAuthService implements AuthService {
     private final JwtTokenProvider jwtTokenProvider;
 
     private final MemberRepository memberRepository;
-    private final MemberIdService memberIdService;
     private final SocialIdService socialIdService;
+    private final MemberMapper memberMapper;
 
     @Override
     @Transactional
@@ -86,11 +86,7 @@ private static String getKakaoData(String kakaoToken) {
 
     // 새로운 멤버 생성
     private void createMember(SocialId socialId, String deviceToken, String refreshToken) {
-        memberRepository.save(Member.builder()
-                .id(memberIdService.nextId())
-                .socialId(socialId)
-                .deviceToken(deviceToken)
-                .refreshToken(refreshToken)
-                .build());
+        Member member = memberMapper.toLoginEntity(socialId, deviceToken, refreshToken);
+        memberRepository.saveAndFlush(member);
     }
 }
diff --git a/src/main/java/com/fullcar/member/application/member/MemberMapper.java b/src/main/java/com/fullcar/member/application/member/MemberMapper.java
index 0e66375..9ec96ae 100644
--- a/src/main/java/com/fullcar/member/application/member/MemberMapper.java
+++ b/src/main/java/com/fullcar/member/application/member/MemberMapper.java
@@ -1,6 +1,8 @@
 package com.fullcar.member.application.member;
 
+import com.fullcar.member.domain.auth.SocialId;
 import com.fullcar.member.domain.member.Company;
+import com.fullcar.member.domain.member.service.MemberIdService;
 import com.fullcar.member.infra.EmailMessage;
 import com.fullcar.member.domain.member.Member;
 import com.fullcar.member.presentation.member.dto.request.EmailRequestDto;
@@ -14,6 +16,8 @@
 @RequiredArgsConstructor(access = AccessLevel.PROTECTED)
 public class MemberMapper {
 
+    private final MemberIdService memberIdService;
+
     public MemberGetResponseDto toDto(Member member) {
         return MemberGetResponseDto.builder()
                 .nickname(member.getNickname())
@@ -45,4 +49,13 @@ public Member toEntity(OnboardingRequestDto onboardingRequestDto) {
                 .gender(onboardingRequestDto.getGender())
                 .build();
     }
+
+    public Member toLoginEntity(SocialId socialId, String deviceToken, String refreshToken) {
+        return Member.builder()
+                .id(memberIdService.nextId())
+                .socialId(socialId)
+                .deviceToken(deviceToken)
+                .refreshToken(refreshToken)
+                .build();
+    }
 }