diff --git a/apiGateway-service/src/main/java/com/waither/apigatewayservice/filter/AuthorizationHeaderFilter.java b/apiGateway-service/src/main/java/com/waither/apigatewayservice/filter/AuthorizationHeaderFilter.java
index 129d79f8..ee2117e0 100644
--- a/apiGateway-service/src/main/java/com/waither/apigatewayservice/filter/AuthorizationHeaderFilter.java
+++ b/apiGateway-service/src/main/java/com/waither/apigatewayservice/filter/AuthorizationHeaderFilter.java
@@ -82,7 +82,7 @@ public GatewayFilter apply(Config config) {
 
     // Mono(단일 값), Flux(다중 값) -> Spring WebFlux
     private Mono<Void> onError(ServerWebExchange exchange, String errorMsg) {
-        log.error(errorMsg);
+        log.error("[*] Gateway filter error: {}", errorMsg);
 
         ServerHttpResponse response = exchange.getResponse();
         response.setStatusCode(HttpStatus.UNAUTHORIZED);
diff --git a/user-service/src/main/java/com/waither/userservice/global/annotation/AuthUserArgumentResolver.java b/user-service/src/main/java/com/waither/userservice/global/annotation/AuthUserArgumentResolver.java
index 3d82dbe8..23d27fc5 100644
--- a/user-service/src/main/java/com/waither/userservice/global/annotation/AuthUserArgumentResolver.java
+++ b/user-service/src/main/java/com/waither/userservice/global/annotation/AuthUserArgumentResolver.java
@@ -3,7 +3,6 @@
 import com.waither.userservice.entity.User;
 import com.waither.userservice.global.jwt.execption.SecurityCustomException;
 import com.waither.userservice.global.jwt.execption.SecurityErrorCode;
-import com.waither.userservice.global.jwt.util.JwtUtil;
 import com.waither.userservice.repository.UserRepository;
 import jakarta.servlet.http.HttpServletRequest;
 import org.springframework.core.MethodParameter;
@@ -23,7 +22,6 @@
 @Transactional
 public class AuthUserArgumentResolver implements HandlerMethodArgumentResolver {
 
-    private final JwtUtil jwtUtil;
     private final UserRepository userRepository;
 
     @Override
@@ -37,10 +35,11 @@ public boolean supportsParameter(MethodParameter parameter) {
     public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer,
                                   NativeWebRequest webRequest, WebDataBinderFactory binderFactory) {
         HttpServletRequest httpServletRequest = (HttpServletRequest) webRequest.getNativeRequest();
-        String token = jwtUtil.resolveAccessToken(httpServletRequest);
-        String email = jwtUtil.getEmail(token);
+        String email = httpServletRequest.getHeader("email");
+
+        log.info("[*] Header <email> from ApiGateway: {}", email);
 
         return userRepository.findByEmail(email)
-                .orElseThrow(() -> new SecurityCustomException(SecurityErrorCode.TOKEN_NOT_FOUND));
+                .orElseThrow(() -> new SecurityCustomException(SecurityErrorCode.USER_NOT_FOUND));
     }
-}
+}
\ No newline at end of file