diff --git a/src/main/java/com/umc/DongnaeFriend/config/JwtConfig.java b/src/main/java/com/umc/DongnaeFriend/config/JwtConfig.java
index af15fc2..902da00 100644
--- a/src/main/java/com/umc/DongnaeFriend/config/JwtConfig.java
+++ b/src/main/java/com/umc/DongnaeFriend/config/JwtConfig.java
@@ -7,6 +7,6 @@
 public class JwtConfig {
 
     @Value("${jwt.secret-key}")
-    public static String SECRET_KEY;
+    public String SECRET_KEY;
 
 }
diff --git a/src/main/java/com/umc/DongnaeFriend/config/SecurityConfig.java b/src/main/java/com/umc/DongnaeFriend/config/SecurityConfig.java
index 6931738..865fbbf 100644
--- a/src/main/java/com/umc/DongnaeFriend/config/SecurityConfig.java
+++ b/src/main/java/com/umc/DongnaeFriend/config/SecurityConfig.java
@@ -1,6 +1,7 @@
 package com.umc.DongnaeFriend.config;
 
-import com.umc.DongnaeFriend.security.JwtTokenFilter;
+
+import com.umc.DongnaeFriend.global.security.JwtTokenFilter;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
@@ -30,4 +31,3 @@ protected void configure(HttpSecurity http) throws Exception {
 
     // 나머지 코드는 이전 예제와 동일
 }
-
diff --git a/src/main/java/com/umc/DongnaeFriend/domain/account/sharing/controller/accountBookSharingController.java b/src/main/java/com/umc/DongnaeFriend/domain/account/sharing/controller/accountBookSharingController.java
index 67d39ea..d067631 100644
--- a/src/main/java/com/umc/DongnaeFriend/domain/account/sharing/controller/accountBookSharingController.java
+++ b/src/main/java/com/umc/DongnaeFriend/domain/account/sharing/controller/accountBookSharingController.java
@@ -7,6 +7,7 @@
 import org.springframework.data.domain.Pageable;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
+import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
@@ -35,9 +36,7 @@ public class accountBookSharingController {
     @GetMapping("/search")
 
     public ResponseEntity<?> searchAll(@RequestParam("keyword") String keyword, @RequestParam("category") int category, Pageable pageable) {
-        log.info("searching : " + keyword + category);
         List<SharingDto.ListResponse> res = accountBookSharingService.searchByKeyword(keyword, category, pageable);
-        log.info("res ");
         return ResponseEntity.ok(res);
     }
 
diff --git a/src/main/java/com/umc/DongnaeFriend/domain/account/sharing/repository/SharingBoardRepository.java b/src/main/java/com/umc/DongnaeFriend/domain/account/sharing/repository/SharingBoardRepository.java
index 44692ff..54bc584 100644
--- a/src/main/java/com/umc/DongnaeFriend/domain/account/sharing/repository/SharingBoardRepository.java
+++ b/src/main/java/com/umc/DongnaeFriend/domain/account/sharing/repository/SharingBoardRepository.java
@@ -9,7 +9,6 @@
 import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
-import javax.persistence.EntityManager;
 import java.util.List;
 
 @Repository
diff --git a/src/main/java/com/umc/DongnaeFriend/domain/dongnae/controller/DongnaeBoardController.java b/src/main/java/com/umc/DongnaeFriend/domain/dongnae/controller/DongnaeBoardController.java
index b168f28..51c4fe2 100644
--- a/src/main/java/com/umc/DongnaeFriend/domain/dongnae/controller/DongnaeBoardController.java
+++ b/src/main/java/com/umc/DongnaeFriend/domain/dongnae/controller/DongnaeBoardController.java
@@ -3,6 +3,7 @@
 import com.umc.DongnaeFriend.domain.dongnae.dto.DongnaeBoardDto;
 import com.umc.DongnaeFriend.domain.dongnae.respository.DongnaeBoardRepository;
 import com.umc.DongnaeFriend.domain.dongnae.service.DongnaeBoardService;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.core.context.SecurityContextHolder;
@@ -14,6 +15,7 @@
  * [ 가계부 공유 ]
  * */
 
+@Slf4j
 @RestController
 @RequestMapping("/town-information")
 public class DongnaeBoardController {
@@ -53,6 +55,9 @@ public ResponseEntity<?> getLocation() {
     public ResponseEntity<?> getBoards(@RequestParam("keyword") String keyword,
                                        @RequestParam("category") int category,
                                        @RequestParam("sortBy") int sort) {
+
+
+        log.info("User Id: " + SecurityContextHolder.getContext().getAuthentication().getPrincipal());
         return ResponseEntity.ok(dongnaeBoardService.searchByKeyword(keyword, category, sort));
     }
 
diff --git a/src/main/java/com/umc/DongnaeFriend/domain/user/contorller/UserController.java b/src/main/java/com/umc/DongnaeFriend/domain/user/contorller/UserController.java
index d8d0374..cc30211 100644
--- a/src/main/java/com/umc/DongnaeFriend/domain/user/contorller/UserController.java
+++ b/src/main/java/com/umc/DongnaeFriend/domain/user/contorller/UserController.java
@@ -8,9 +8,12 @@
 import com.umc.DongnaeFriend.global.util.JwtTokenProvider;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.repository.query.Param;
 import org.springframework.http.*;
 import org.springframework.web.bind.annotation.*;
 
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import java.io.IOException;
 import java.util.HashMap;
 
@@ -25,6 +28,7 @@ public class UserController {
     @Autowired
     UserService userService;
 
+    @Autowired
     JwtTokenProvider jwtTokenProvider;
 
 
@@ -34,19 +38,24 @@ public class UserController {
      * 인증 절차
      */
     @PostMapping("/login")
-    public ResponseEntity<?> userLogin(@RequestBody UserDto.Request request) {
+    public ResponseEntity<?> userLogin(@RequestParam("accessToken") String accessToken, HttpServletRequest request, HttpServletResponse httpServletResponse) {
+        log.info("LoginController 진입");
+
+//        if (!type.equals("kakao")) {
+//            throw new CustomException(ErrorCode.SERVER_ERROR);
+//        }
+
+
         try {
             log.info("userLogin 진입");
             //사용자 정보 가져오기
-            HashMap<String, Object> userInfo = kakaoService.getUserInfo(request.getAccessToken());
+            HashMap<String, Object> userInfo = kakaoService.getUserInfo(accessToken);
 
             //사용자 확인  기존 회원 -> 넘어가고, 없는 회원 -> 회원가입
-            userService.userValidation(userInfo);
 
-            //토큰 생성
-            String access_token = jwtTokenProvider.createAccessToken((Long) userInfo.get("userId"));
-            log.info("access_token : {}", access_token);
-            return ResponseEntity.ok(access_token);
+            UserDto.Response response =  userService.userValidation(userInfo);
+
+            return ResponseEntity.ok(response);
 
         } catch (IOException e) {
             throw new CustomException(ErrorCode.INVALID_AUTH_TOKEN);
diff --git a/src/main/java/com/umc/DongnaeFriend/domain/user/dto/UserDto.java b/src/main/java/com/umc/DongnaeFriend/domain/user/dto/UserDto.java
index 469dcdb..0ebf5bc 100644
--- a/src/main/java/com/umc/DongnaeFriend/domain/user/dto/UserDto.java
+++ b/src/main/java/com/umc/DongnaeFriend/domain/user/dto/UserDto.java
@@ -1,6 +1,7 @@
 package com.umc.DongnaeFriend.domain.user.dto;
 
 import lombok.AllArgsConstructor;
+import lombok.Builder;
 import lombok.Getter;
 
 public class UserDto {
@@ -16,6 +17,7 @@ public static class Request {
     }
 
     @Getter
+    @Builder
     @AllArgsConstructor
     public static class Response {
 
diff --git a/src/main/java/com/umc/DongnaeFriend/domain/user/entity/User.java b/src/main/java/com/umc/DongnaeFriend/domain/user/entity/User.java
index b6e8772..201db2e 100644
--- a/src/main/java/com/umc/DongnaeFriend/domain/user/entity/User.java
+++ b/src/main/java/com/umc/DongnaeFriend/domain/user/entity/User.java
@@ -13,6 +13,7 @@
 import com.umc.DongnaeFriend.domain.type.YesNo;
 import javax.persistence.*;
 import lombok.*;
+import org.springframework.lang.Nullable;
 
 @Getter
 @Builder
@@ -29,6 +30,7 @@ public class  User extends BaseTimeEntity {
 
     @ManyToOne(fetch = LAZY)
     @JoinColumn(name = "dongnae_id")
+    @Nullable
     private Dongnae dongnae;
 
     @Column(nullable = false)
diff --git a/src/main/java/com/umc/DongnaeFriend/domain/user/repository/UserRepository.java b/src/main/java/com/umc/DongnaeFriend/domain/user/repository/UserRepository.java
index 5edd72b..d6d323a 100644
--- a/src/main/java/com/umc/DongnaeFriend/domain/user/repository/UserRepository.java
+++ b/src/main/java/com/umc/DongnaeFriend/domain/user/repository/UserRepository.java
@@ -10,4 +10,6 @@ public interface UserRepository extends JpaRepository<User, Long> {
     Optional<User> findById(Long id);
 
     Optional<User> findByRefreshToken(String refresh_token);
+
+    Optional<User> findByKakaoId(Long id);
 }
diff --git a/src/main/java/com/umc/DongnaeFriend/domain/user/service/KakaoService.java b/src/main/java/com/umc/DongnaeFriend/domain/user/service/KakaoService.java
index a4b2aaf..d3cd29f 100644
--- a/src/main/java/com/umc/DongnaeFriend/domain/user/service/KakaoService.java
+++ b/src/main/java/com/umc/DongnaeFriend/domain/user/service/KakaoService.java
@@ -1,11 +1,15 @@
 package com.umc.DongnaeFriend.domain.user.service;
 
 
+import org.springframework.beans.factory.annotation.Value;
+
 import java.io.IOException;
 import java.util.HashMap;
 
 public interface KakaoService {
 
+
+    @SuppressWarnings("unchecked")
     HashMap<String, Object> getUserInfo(String access_Token) throws IOException;
 }
 
diff --git a/src/main/java/com/umc/DongnaeFriend/domain/user/service/KakaoServiceimpl.java b/src/main/java/com/umc/DongnaeFriend/domain/user/service/KakaoServiceimpl.java
index 4955e10..6c147f5 100644
--- a/src/main/java/com/umc/DongnaeFriend/domain/user/service/KakaoServiceimpl.java
+++ b/src/main/java/com/umc/DongnaeFriend/domain/user/service/KakaoServiceimpl.java
@@ -2,6 +2,7 @@
 
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 
 import java.io.BufferedReader;
@@ -12,6 +13,7 @@
 import java.util.HashMap;
 import java.util.Map;
 
+@Slf4j
 @Service
 public class KakaoServiceimpl implements KakaoService {
 
@@ -52,23 +54,26 @@ public HashMap<String, Object> getUserInfo(String access_Token) throws IOExcepti
         Map<String, Object> jsonMap = objectMapper.readValue(result, new TypeReference<Map<String, Object>>() {
         });
 
+
         System.out.println(jsonMap.get("properties"));
 
+        Long id = (Long) jsonMap.get("id");
         Map<String, Object> properties = (Map<String, Object>) jsonMap.get("properties");
         Map<String, Object> kakao_account = (Map<String, Object>) jsonMap.get("kakao_account");
+        Map<String, Object> profile = (Map<String, Object>) kakao_account.get("profile");
 
-        // System.out.println(properties.get("nickname"));
-        // System.out.println(kakao_account.get("email"));
+        log.info("profile : " + profile.toString());
+        log.info("kakao_acount : " + kakao_account.toString());
 
         String nickname = properties.get("nickname").toString();
+        String profileImage = properties.get("profile_image").toString();
         String email = kakao_account.get("email").toString();
-        String gender = kakao_account.get("gender").toString();
-        String age = kakao_account.get("age").toString();
 
+        userInfo.put("id", id);
         userInfo.put("nickname", nickname);
+        userInfo.put("profileImage", profileImage);
         userInfo.put("email", email);
-        userInfo.put("gender", gender);
-        userInfo.put("age", age);
+
 
         return userInfo;
     }
diff --git a/src/main/java/com/umc/DongnaeFriend/domain/user/service/UserService.java b/src/main/java/com/umc/DongnaeFriend/domain/user/service/UserService.java
index 3f7e6f1..40e600c 100644
--- a/src/main/java/com/umc/DongnaeFriend/domain/user/service/UserService.java
+++ b/src/main/java/com/umc/DongnaeFriend/domain/user/service/UserService.java
@@ -3,6 +3,7 @@
 import com.umc.DongnaeFriend.domain.type.Age;
 import com.umc.DongnaeFriend.domain.type.Gender;
 import com.umc.DongnaeFriend.domain.type.YesNo;
+import com.umc.DongnaeFriend.domain.user.dto.UserDto;
 import com.umc.DongnaeFriend.domain.user.entity.User;
 import com.umc.DongnaeFriend.domain.user.repository.UserRepository;
 import com.umc.DongnaeFriend.global.exception.CustomException;
@@ -25,53 +26,80 @@ public class UserService {
 
     KakaoService kakaoService;
 
+    @Autowired
     JwtTokenProvider jwtTokenProvider;
 
-    public void userValidation(HashMap<String, Object> userInfo) {
-        Optional<User> user= userRepository.findById((Long) userInfo.get("userId"));
 
+    public UserDto.Response userValidation(HashMap<String, Object> userInfo) {
+        Long kakao_id = (Long) userInfo.get("id");
+        Optional<User> user= userRepository.findByKakaoId(kakao_id);
         if (user.isEmpty()) {
-            userRegister(userInfo);
+            User new_user = userRegister(userInfo);
+            return UserDto.Response.builder()
+                    .accessToken(jwtTokenProvider.createAccessToken(new_user.getId()))
+                    .refreshToken(new_user.getRefreshToken())
+                    .build();
+        } else {
+            return UserDto.Response.builder()
+                    .accessToken(jwtTokenProvider.createAccessToken(user.get().getId()))
+                    .refreshToken(user.get().getRefreshToken())
+                    .build();
         }
+
     }
 
 
-    //유저 회원가입
-    public void userRegister(HashMap<String, Object> userInfo) {
+    //유저 회원가입 -> Refresh Token을 return
+    public User userRegister(HashMap<String, Object> userInfo) {
         //필수
         String nickName = userInfo.get("nickname").toString();
         //필수
         String email = userInfo.get("email").toString();
 
-        Optional<String> gender = Optional.ofNullable(userInfo.get("gender").toString());
-        String strGender = "";
-        log.info("Gender : {}", gender.get());
-        if(gender.get()=="F"){
-            strGender="여성";
-        }else {
-            strGender = "남성";
-        }
-        log.info("strGender : {}", strGender);
-
-
-        Optional<String> age = Optional.ofNullable(userInfo.get("age").toString());
-        String[] ageRange = age.get().split("-");
-
-
-        // refreshToken userId를 claim 으로 생성 뒤, User의 필드에 넣고 User를 저장
-        String refresh_Token = jwtTokenProvider.createRefreshToken((Long) userInfo.get("usreId"));
-
-        userRepository.save(
+        String profileImage = userInfo.get("profileImage").toString();
+
+        Long kakaoId = (Long) userInfo.get("id");
+
+//        Optional<String> gender = Optional.ofNullable(userInfo.get("gender").toString());
+//        String strGender = "";
+//        log.info("Gender : {}", gender.get());
+//        if(gender.get()=="F"){
+//            strGender="여성";
+//        }else {
+//            strGender = "남성";
+//        }
+//        log.info("strGender : {}", strGender);
+//
+//
+//        Optional<String> age = Optional.ofNullable(userInfo.get("age").toString());
+//        String[] ageRange = age.get().split("-");
+//
+//
+//        // refreshToken userId를 claim 으로 생성 뒤, User의 필드에 넣고 User를 저장
+        String refresh_Token = jwtTokenProvider.createRefreshToken((Long) userInfo.get("id"));
+
+        return userRepository.save(
                 User.builder()
                         .nickname(nickName)
+//                        .dongnae(
+//
+//                        )
                         .email(email)
                         //TODO : Gender 결정[O]
-                        .gender(Gender.valueOf(strGender))
+                        .gender(
+//                                Gender.valueOf(strGender)
+                                Gender.MALE
+                        )
                         //TODO : Age 결정[O]
-                        .age(Age.valueOf(ageRange[0]+"대"))
+                        .age(
+//                                Age.valueOf(ageRange[0]+"대")
+                                Age.AGE20
+                        )
                         .townCert(YesNo.NO)
                         .townCertCnt(0)
                         .infoCert(YesNo.NO)
+                        .profileImage(profileImage)
+                        .kakaoId(kakaoId)
                         .refreshToken(refresh_Token)
                         .build()
         );
@@ -91,4 +119,6 @@ public String createAccessTokenFromRefreshToken(String refreshToken) {
 
         return accessToken;
     }
+
+
 }
diff --git a/src/main/java/com/umc/DongnaeFriend/global/exception/GlobalExceptionHandler.java b/src/main/java/com/umc/DongnaeFriend/global/exception/GlobalExceptionHandler.java
index 986c73d..37fb335 100644
--- a/src/main/java/com/umc/DongnaeFriend/global/exception/GlobalExceptionHandler.java
+++ b/src/main/java/com/umc/DongnaeFriend/global/exception/GlobalExceptionHandler.java
@@ -30,11 +30,11 @@ protected ResponseEntity<?> handleMethodArgumentNotValidException(MethodArgument
     }
 
     //일반 예외처리
-    @ExceptionHandler({Exception.class})
-    protected ResponseEntity<?> handleServerException(Exception ex) {
-        CustomException exception = new CustomException(SERVER_ERROR);
-        return ResponseEntity
-            .status(SERVER_ERROR.getHttpStatus())
-            .body(new ErrorResponse(exception));
-    }
+//    @ExceptionHandler({Exception.class})
+//    protected ResponseEntity<?> handleServerException(Exception ex) {
+//        CustomException exception = new CustomException(SERVER_ERROR);
+//        return ResponseEntity
+//            .status(SERVER_ERROR.getHttpStatus())
+//            .body(new ErrorResponse(exception));
+//    }
 }
\ No newline at end of file
diff --git a/src/main/java/com/umc/DongnaeFriend/security/JwtTokenFilter.java b/src/main/java/com/umc/DongnaeFriend/global/security/JwtTokenFilter.java
similarity index 70%
rename from src/main/java/com/umc/DongnaeFriend/security/JwtTokenFilter.java
rename to src/main/java/com/umc/DongnaeFriend/global/security/JwtTokenFilter.java
index 76834db..6c0cb55 100644
--- a/src/main/java/com/umc/DongnaeFriend/security/JwtTokenFilter.java
+++ b/src/main/java/com/umc/DongnaeFriend/global/security/JwtTokenFilter.java
@@ -1,9 +1,10 @@
-package com.umc.DongnaeFriend.security;
+package com.umc.DongnaeFriend.global.security;
 
 import com.umc.DongnaeFriend.global.util.JwtUtil;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
+import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.web.filter.OncePerRequestFilter;
 
@@ -17,10 +18,22 @@
 @Slf4j
 public class JwtTokenFilter extends OncePerRequestFilter {
 
+
+    private final JwtUtil jwtUtil;
+
+    public JwtTokenFilter(JwtUtil jwtUtil) {
+        this.jwtUtil = jwtUtil;
+    }
+
+
     @Override
     protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
 
-        log.info("JwtTOkenFilter 진입");
+        log.info("JwtTokenFilter 진입");
+
+        if (request.getServletPath().contains("/user/login")) {
+            log.info("/user/login 진입");
+        }
 
         // Request Header에서 JWT 토큰 가져오기
         String authorizationHeader = request.getHeader("Authorization");
@@ -29,30 +42,37 @@ protected void doFilterInternal(HttpServletRequest request, HttpServletResponse
         //🛑 첫 로그인 시에도 이곳에서 걸리기 때문에 로그인이 안됨.(null)
         if (authorizationHeader != null && authorizationHeader.startsWith("Bearer ")) {
             String token = authorizationHeader.substring(7);
-            log.info("token : {}",token);
+            log.info("token : {}", token);
             try {
                 // JWT 토큰 검증
-                JwtUtil.validateToken(token);
+                jwtUtil.validateToken(token);
                 log.info("JWT 토큰 검증완료");
 
                 // JWT 토큰에서 사용자 정보 추출 (예: 사용자 ID)
-                Long userId = JwtUtil.getUserIdFromToken(token);
+                Long userId = jwtUtil.getUserIdFromToken(token);
 
                 // 인증 객체 생성
                 UsernamePasswordAuthenticationToken authenticationToken =
-                        new UsernamePasswordAuthenticationToken(userId, null, null);
+                        new UsernamePasswordAuthenticationToken( userId,null, null);
 
                 // SecurityContextHolder에 인증 객체 저장
+
                 SecurityContextHolder.getContext().setAuthentication(authenticationToken);
 
+                filterChain.doFilter(request, response);
+
 
             } catch (Exception e) {
-                log.info("예외발생");
+                e.printStackTrace();
 
                 // JWT 토큰 검증 실패 시, 인증 객체를 null로 설정
                 SecurityContextHolder.clearContext();
+                filterChain.doFilter(request, response);
             }
+        } else {
+            log.info("Header None");
+            filterChain.doFilter(request, response);
         }
 
     }
-}
+}
\ No newline at end of file
diff --git a/src/main/java/com/umc/DongnaeFriend/global/util/JwtTokenProvider.java b/src/main/java/com/umc/DongnaeFriend/global/util/JwtTokenProvider.java
index 85fd74b..344ba00 100644
--- a/src/main/java/com/umc/DongnaeFriend/global/util/JwtTokenProvider.java
+++ b/src/main/java/com/umc/DongnaeFriend/global/util/JwtTokenProvider.java
@@ -1,25 +1,27 @@
 package com.umc.DongnaeFriend.global.util;
 
+import com.umc.DongnaeFriend.config.JwtConfig;
 import com.umc.DongnaeFriend.domain.user.repository.UserRepository;
 import io.jsonwebtoken.*;
 import lombok.extern.log4j.Log4j2;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.security.core.Authentication;
 import org.springframework.stereotype.Component;
 
-import javax.persistence.Id;
 import java.util.Date;
 
-import static com.umc.DongnaeFriend.config.JwtConfig.SECRET_KEY;
+
 
 @Log4j2
 @Component
 public class JwtTokenProvider {
 
+    private final JwtConfig jwtConfig;
+
     @Autowired
     private UserRepository userRepository;
 
-    public JwtTokenProvider(UserRepository userRepository) {
+    public JwtTokenProvider(JwtConfig jwtConfig, UserRepository userRepository) {
+        this.jwtConfig = jwtConfig;
         this.userRepository = userRepository;
     }
 
@@ -29,6 +31,8 @@ public JwtTokenProvider(UserRepository userRepository) {
 
     //accessToken 생성
     public String createAccessToken(Long userId) {
+
+        log.info("SECRET KEY FROM PROVIDER: "+ jwtConfig.SECRET_KEY);
         Date now = new Date(); //현재 시간
         Date validity = new Date(now.getTime() + ACCESS_TOKEN_EXPIRE_LENGTH);
 
@@ -40,7 +44,7 @@ public String createAccessToken(Long userId) {
 //        claims.put("email", user.getEmail()); // 사용자 이메일
 
         return Jwts.builder()
-                .signWith(SignatureAlgorithm.HS512, String.valueOf(SECRET_KEY))
+                .signWith(SignatureAlgorithm.HS512, String.valueOf(jwtConfig.SECRET_KEY))
                 .claim("userId", userId)
                 .setIssuedAt(now) //token 발행 시간
                 .setExpiration(validity)
@@ -53,7 +57,7 @@ public String createRefreshToken(Long userId) {
         Date validity = new Date(now.getTime() + REFRESH_TOKEN_EXPIRE_LENGTH);
 
         return Jwts.builder()
-                .signWith(SignatureAlgorithm.ES512, String.valueOf(SECRET_KEY))
+                .signWith(SignatureAlgorithm.HS512, String.valueOf(jwtConfig.SECRET_KEY))
                 .claim("userId", userId)
                 .setIssuedAt(now)
                 .setExpiration(validity)
diff --git a/src/main/java/com/umc/DongnaeFriend/global/util/JwtUtil.java b/src/main/java/com/umc/DongnaeFriend/global/util/JwtUtil.java
index 09f0e95..a1c15b9 100644
--- a/src/main/java/com/umc/DongnaeFriend/global/util/JwtUtil.java
+++ b/src/main/java/com/umc/DongnaeFriend/global/util/JwtUtil.java
@@ -1,26 +1,60 @@
 package com.umc.DongnaeFriend.global.util;
 
+import com.umc.DongnaeFriend.config.JwtConfig;
 import com.umc.DongnaeFriend.global.exception.CustomException;
 import com.umc.DongnaeFriend.global.exception.ErrorCode;
 import io.jsonwebtoken.Claims;
 import io.jsonwebtoken.*;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
 
-import static com.umc.DongnaeFriend.config.JwtConfig.SECRET_KEY;
 
+@Slf4j
+@Component
 public class JwtUtil {
 
-    public static Long getUserIdFromToken(String token) {
-        Claims claims = Jwts.parser().setSigningKey(SECRET_KEY).parseClaimsJws(token).getBody();
+    private final JwtConfig jwtConfig;
+
+    public JwtUtil(JwtConfig jwtConfig) {
+        this.jwtConfig = jwtConfig;
+    }
+
+    public Long getUserIdFromToken(String token) {
+        log.info("token에서 ID 추출");
+        Claims claims = Jwts.parser().setSigningKey(jwtConfig.SECRET_KEY).parseClaimsJws(token).getBody();
         return Long.parseLong(claims.get("userId").toString());
     }
 
     //token 유효성 검증
-    public static Boolean validateToken(String token) {
+    public Boolean validateToken(String token) {
         try {
-            Jwts.parser().setSigningKey(SECRET_KEY).parseClaimsJws(token);
+            log.info("SECRET KEY :"+ jwtConfig.SECRET_KEY);
+
+            Jwts.parser().setSigningKey(jwtConfig.SECRET_KEY).parseClaimsJws(token);
             return true;
-        } catch (SignatureException | IllegalArgumentException | MalformedJwtException | ExpiredJwtException |
-                 UnsupportedJwtException | NullPointerException | IllegalStateException ex) {
+        } catch (SignatureException e) {
+            log.info("Sign 오류");
+            e.printStackTrace();
+            throw new CustomException(ErrorCode.INVALID_AUTH_TOKEN);
+        } catch (IllegalArgumentException e) {
+            log.info("잘못된 토큰");
+            e.printStackTrace();
+            throw new CustomException(ErrorCode.INVALID_AUTH_TOKEN);
+        } catch (MalformedJwtException e) {
+            log.info("토큰 잘림");
+            e.printStackTrace();
+            throw new CustomException(ErrorCode.INVALID_AUTH_TOKEN);
+        } catch (ExpiredJwtException e) {
+            log.info("만료된 토큰");
+            e.printStackTrace();
+            throw new CustomException(ErrorCode.INVALID_AUTH_TOKEN);
+        } catch (NullPointerException e) {
+            log.info("토큰 없음");
+            e.printStackTrace();
+            throw new CustomException(ErrorCode.INVALID_AUTH_TOKEN);
+        } catch (UnsupportedJwtException e) {
+            log.info("지원되지 않는 토큰");
+            e.printStackTrace();
             throw new CustomException(ErrorCode.INVALID_AUTH_TOKEN);
         }
     }
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 857383e..c0bae2f 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -8,8 +8,8 @@ logging:
 spring:
   datasource:
     url: jdbc:mysql://localhost:3306/dongnae?characterEncoding=UTF-8&serverTimezone=UTC&useLegacyDatetimeCode=false
-    username:
-    password:
+    username: root
+    password: qwe335577!
     driver-class-name: com.mysql.cj.jdbc.Driver
   jpa:
     hibernate.ddl-auto: update
@@ -18,7 +18,5 @@ spring:
         format_sql: true
         show_sql: true
 
-
-
 jwt:
   secret-key: 6B64DCA4EA2F53EDIKU9AAB215FE7
\ No newline at end of file