diff --git a/src/main/java/kr/re/etri/autoflow/repository/RefreshTokenRepository.java b/src/main/java/kr/re/etri/autoflow/repository/RefreshTokenRepository.java
index 4e06cd7..2c4084a 100644
--- a/src/main/java/kr/re/etri/autoflow/repository/RefreshTokenRepository.java
+++ b/src/main/java/kr/re/etri/autoflow/repository/RefreshTokenRepository.java
@@ -14,4 +14,6 @@ public interface RefreshTokenRepository extends JpaRepository<RefreshToken, Long
 
   @Modifying
   int deleteByUser(User user);
+
+    void deleteByUserId(Long userId);
 }
diff --git a/src/main/java/kr/re/etri/autoflow/security/jwt/JwtUtils.java b/src/main/java/kr/re/etri/autoflow/security/jwt/JwtUtils.java
index c528215..8345821 100644
--- a/src/main/java/kr/re/etri/autoflow/security/jwt/JwtUtils.java
+++ b/src/main/java/kr/re/etri/autoflow/security/jwt/JwtUtils.java
@@ -23,16 +23,16 @@ import lombok.extern.slf4j.Slf4j;
 @Slf4j
 public class JwtUtils {
 
-  @Value("${bezkoder.app.jwtSecret}")
+  @Value("${cuuva.app.jwtSecret}")
   private String jwtSecret;
 
-  @Value("${bezkoder.app.jwtExpirationMs}")
+  @Value("${cuuva.app.jwtExpirationMs}")
   private int jwtExpirationMs;
 
-  @Value("${bezkoder.app.jwtCookieName}")
+  @Value("${cuuva.app.jwtCookieName}")
   private String jwtCookie;
 
-  @Value("${bezkoder.app.jwtRefreshCookieName}")
+  @Value("${cuuva.app.jwtRefreshCookieName}")
   private String jwtRefreshCookie;
 
   public ResponseCookie generateJwtCookie(UserDetailsImpl userPrincipal) {
@@ -108,8 +108,18 @@ public class JwtUtils {
             .build();
   }
 
-  private String getCookieValueByName(HttpServletRequest request, String name) {
-    Cookie cookie = WebUtils.getCookie(request, name);
-    return cookie != null ? cookie.getValue() : null;
-  }
+//  private String getCookieValueByName(HttpServletRequest request, String name) {
+//    Cookie cookie = WebUtils.getCookie(request, name);
+//    return cookie != null ? cookie.getValue() : null;
+//  }
+
+    private String getCookieValueByName(HttpServletRequest request, String name) {
+        Cookie cookie = WebUtils.getCookie(request, name);
+        if (cookie == null) {
+            System.out.println("Cookie with name '" + name + "' not found");
+            return null;
+        }
+        System.out.println("Found cookie: " + cookie.getName() + " = " + cookie.getValue());
+        return cookie.getValue();
+    }
 }
diff --git a/src/main/java/kr/re/etri/autoflow/security/services/RefreshTokenService.java b/src/main/java/kr/re/etri/autoflow/security/services/RefreshTokenService.java
index 2642c90..8d85b1f 100644
--- a/src/main/java/kr/re/etri/autoflow/security/services/RefreshTokenService.java
+++ b/src/main/java/kr/re/etri/autoflow/security/services/RefreshTokenService.java
@@ -4,10 +4,10 @@ import java.time.Instant;
 import java.util.Optional;
 import java.util.UUID;
 
+import jakarta.transaction.Transactional;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Transactional;
 
 import kr.re.etri.autoflow.exception.TokenRefreshException;
 import kr.re.etri.autoflow.models.RefreshToken;
@@ -16,7 +16,7 @@ import kr.re.etri.autoflow.repository.UserRepository;
 
 @Service
 public class RefreshTokenService {
-  @Value("${bezkoder.app.jwtRefreshExpirationMs}")
+  @Value("${cuuva.app.jwtRefreshExpirationMs}")
   private Long refreshTokenDurationMs;
 
   @Autowired
@@ -29,6 +29,7 @@ public class RefreshTokenService {
     return refreshTokenRepository.findByToken(token);
   }
 
+  @Transactional
   public RefreshToken createRefreshToken(Long userId) {
     RefreshToken refreshToken = new RefreshToken();
 
@@ -50,7 +51,7 @@ public class RefreshTokenService {
   }
 
   @Transactional
-  public int deleteByUserId(Long userId) {
-    return refreshTokenRepository.deleteByUser(userRepository.findById(userId).get());
+  public void deleteByUserId(Long userId) {
+      refreshTokenRepository.deleteByUserId(userId);
   }
 }
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index 514f008..de400a3 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -17,15 +17,13 @@ spring.jpa.defer-datasource-initialization=true
 
 
 # App Properties
-bezkoder.app.jwtCookieName= bezkoder-jwt
-bezkoder.app.jwtRefreshCookieName= bezkoder-jwt-refresh
-bezkoder.app.jwtSecret= 275511b31c520562d69802ce4a913773102563891563a24062f44b3f312ca2bd034440e81836d1b4ccf4195f43db4c81a4e489a41f1ae0967afe468c9a361f4d
-#bezkoder.app.jwtExpirationMs= 86400000
-#bezkoder.app.jwtRefreshExpirationMs= 86400000
+cuuva.app.jwtCookieName=cuuva-jwt
+cuuva.app.jwtRefreshCookieName=cuuva-jwt-refresh
+cuuva.app.jwtSecret= 275511b31c520562d69802ce4a913773102563891563a24062f44b3f312ca2bd034440e81836d1b4ccf4195f43db4c81a4e489a41f1ae0967afe468c9a361f4d
 
 ## For test
-bezkoder.app.jwtExpirationMs= 60000
-bezkoder.app.jwtRefreshExpirationMs= 180000
+cuuva.app.jwtExpirationMs= 60000
+cuuva.app.jwtRefreshExpirationMs= 180000
 
 # SQL ?? ??
 spring.jpa.show-sql=true