diff --git a/nginx/default.conf b/nginx/default.conf
index a72d792..e1bde3c 100644
--- a/nginx/default.conf
+++ b/nginx/default.conf
@@ -10,29 +10,19 @@ server {
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
 
+        # 모든 요청에 대해 CORS 헤더를 한 번만 추가
+        add_header 'Access-Control-Allow-Origin' 'https://qrumble.vercel.app' always;
+        add_header 'Access-Control-Allow-Credentials' 'true' always;
+        add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, PATCH, DELETE, OPTIONS' always;
+        add_header 'Access-Control-Allow-Headers' 'Authorization, Content-Type, Accept' always;
 
+        # OPTIONS (Preflight) 요청에 대한 처리
         if ($request_method = 'OPTIONS') {
-            add_header 'Access-Control-Allow-Origin' "$http_origin" always;
-            add_header 'Access-Control-Allow-Credentials' 'true' always;
-            add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, PATCH, DELETE, OPTIONS' always;
-            add_header 'Access-Control-Allow-Headers' 'Authorization, Content-Type, Accept' always;
             add_header 'Access-Control-Max-Age' 1728000;
             add_header 'Content-Type' 'text/plain; charset=UTF-8';
             add_header 'Content-Length' 0;
             return 204;
         }
-
-        if ($http_origin ~* ^(https://qrumble.vercel.app)$) {
-          add_header 'Access-Control-Allow-Origin' "$http_origin" always;
-          add_header 'Access-Control-Allow-Credentials' 'true' always;
-        }
-
-        # add_header 'Access-Control-Allow-Origin' "$http_origin" always;
-        # add_header 'Access-Control-Allow-Credentials' 'true' always;
-        # add_header 'Access-Control-Allow-Methods' 'GET, POST, PUT, PATCH, DELETE, OPTIONS' always;
-        # add_header 'Access-Control-Allow-Headers' 'Authorization, Content-Type, Accept' always;
-
-
     }
 }
 
diff --git a/src/main/java/efub/cpbr/crumble/auth/service/AuthService.java b/src/main/java/efub/cpbr/crumble/auth/service/AuthService.java
index 30111d4..398f2c5 100644
--- a/src/main/java/efub/cpbr/crumble/auth/service/AuthService.java
+++ b/src/main/java/efub/cpbr/crumble/auth/service/AuthService.java
@@ -57,9 +57,9 @@ public User signup(SignUpRequestDto signUpRequestDto) {
                 .password(encodedPassword)
                 .email(signUpRequestDto.getEmail())
                 .nickname(signUpRequestDto.getNickname())
-                .role(RoleType.USER) // 기본 역할 USER로 설정
-                .point(0) // 초기 포인트 0으로 설정
-                .isActive(true) // 계정 활성화 상태로 설정
+                .role(RoleType.USER)
+                .point(0)
+                .isActive(true)
                 .build();
 
         User savedUser = userRepository.save(newUser);
diff --git a/src/main/java/efub/cpbr/crumble/jwt/JwtAuthenticationFilter.java b/src/main/java/efub/cpbr/crumble/jwt/JwtAuthenticationFilter.java
index b22e4c2..95b8025 100644
--- a/src/main/java/efub/cpbr/crumble/jwt/JwtAuthenticationFilter.java
+++ b/src/main/java/efub/cpbr/crumble/jwt/JwtAuthenticationFilter.java
@@ -23,6 +23,14 @@ public JwtAuthenticationFilter(JwtTokenProvider jwtTokenProvider) { // 생성자
     protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
         throws ServletException, IOException {
 
+        String path = request.getRequestURI();
+
+        // 인증이 필요 없는 API 경로들을 건너뜀.
+        if (path.startsWith("/auth/login") || path.startsWith("/auth/signup") || path.startsWith("/auth/token")) {
+            filterChain.doFilter(request, response);
+            return;
+        }
+
         try {
         String token = resolveToken(request);
 
diff --git a/src/main/java/efub/cpbr/crumble/user/entity/User.java b/src/main/java/efub/cpbr/crumble/user/entity/User.java
index dd01705..e589809 100644
--- a/src/main/java/efub/cpbr/crumble/user/entity/User.java
+++ b/src/main/java/efub/cpbr/crumble/user/entity/User.java
@@ -70,7 +70,7 @@ public User(Long userId, String username, String password, String email, String
         this.point = (point == 0) ? 0 : point; // 기본값 처리
         this.isActive = isActive;
         this.role = (role == null) ? RoleType.USER : role; // 기본 역할 처리
-        this.profileImageIndex = profileImageIndex;
+        this.profileImageIndex = profileImageIndex; // 이 부분 유지
     }
 
     /*public void deactivate() { // 사용자 탈퇴