diff --git a/src/main/java/com/babzip/backend/global/exception/GlobalExceptionHandler.java b/src/main/java/com/babzip/backend/global/exception/GlobalExceptionHandler.java
index 5deb1f3..a913568 100644
--- a/src/main/java/com/babzip/backend/global/exception/GlobalExceptionHandler.java
+++ b/src/main/java/com/babzip/backend/global/exception/GlobalExceptionHandler.java
@@ -2,6 +2,7 @@
 
 import com.babzip.backend.global.response.ResponseBody;
 import com.babzip.backend.global.response.ResponseUtil;
+import jakarta.servlet.http.HttpServletRequest;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
@@ -17,8 +18,10 @@
 public class GlobalExceptionHandler {
 
     @ExceptionHandler(BusinessException.class)
-    public ResponseEntity<ResponseBody<Void>> businessException(BusinessException e) {
+    public ResponseEntity<ResponseBody<Void>> businessException(BusinessException e, HttpServletRequest request) {
         ExceptionType exceptionType = e.getExceptionType();
+        log.error("🔥 [{} {}] 요청 중 예외 발생: {}", request.getMethod(), request.getRequestURI(), e.getMessage(), e);
+
         return ResponseEntity.status(exceptionType.getStatus())
                 .body(ResponseUtil.createFailureResponse(exceptionType));
 
diff --git a/src/main/java/com/babzip/backend/global/jwt/JwtAuthenticationFilter.java b/src/main/java/com/babzip/backend/global/jwt/JwtAuthenticationFilter.java
index 8d14131..7e76660 100644
--- a/src/main/java/com/babzip/backend/global/jwt/JwtAuthenticationFilter.java
+++ b/src/main/java/com/babzip/backend/global/jwt/JwtAuthenticationFilter.java
@@ -10,6 +10,8 @@
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
 import lombok.RequiredArgsConstructor;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.http.HttpHeaders;
 import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.core.Authentication;
@@ -29,9 +31,17 @@ public class JwtAuthenticationFilter extends OncePerRequestFilter {
     private static final String BEARER_PREFIX = "Bearer ";
     private final AuthenticationManager authenticationManager;
     private final RequestMatcher requestMatcher = new RequestHeaderRequestMatcher(HttpHeaders.AUTHORIZATION);
+    private static final Logger log = LoggerFactory.getLogger(JwtAuthenticationFilter.class);
+
 
     @Override
     protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
+
+        String method = request.getMethod();
+        String uri = request.getRequestURI();
+
+        log.info("🔍 API 요청: {} {}", method, uri);
+
         // Authorization 헤더가 있을 때만 필터를 거쳐감
         // 인증이 필요없는 작업은 이 필터를 거치지 않음
         if (!requestMatcher.matches(request)) {
diff --git a/src/main/java/com/babzip/backend/guestbook/controller/GuestbookController.java b/src/main/java/com/babzip/backend/guestbook/controller/GuestbookController.java
index faaa29b..8e39111 100644
--- a/src/main/java/com/babzip/backend/guestbook/controller/GuestbookController.java
+++ b/src/main/java/com/babzip/backend/guestbook/controller/GuestbookController.java
@@ -9,6 +9,7 @@
 import com.babzip.backend.guestbook.dto.response.GuestbookSearchResponse;
 import com.babzip.backend.guestbook.service.GuestbookService;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.domain.Sort;
@@ -20,6 +21,7 @@
 @RequiredArgsConstructor
 @RestController
 @RequestMapping("/guestbook")
+@Slf4j
 public class GuestbookController implements GuestBookApi {
 
     private final GuestbookService guestbookService;
@@ -53,6 +55,7 @@ public ResponseEntity<ResponseBody<Void>> updatePartial(
             @RequestBody GuestbookRequestDto requestDto
     ) {
         guestbookService.updatePartial(userId, requestDto);
+        log.info("정상 작동");
         return ResponseEntity.ok(ResponseUtil.createSuccessResponse());
     }
 
diff --git a/src/main/java/com/babzip/backend/guestbook/service/GuestbookService.java b/src/main/java/com/babzip/backend/guestbook/service/GuestbookService.java
index 9e25233..ce282d4 100644
--- a/src/main/java/com/babzip/backend/guestbook/service/GuestbookService.java
+++ b/src/main/java/com/babzip/backend/guestbook/service/GuestbookService.java
@@ -11,6 +11,7 @@
 import com.babzip.backend.user.repository.UserRepository;
 import jakarta.persistence.EntityNotFoundException;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.stereotype.Service;
@@ -18,6 +19,7 @@
 
 @RequiredArgsConstructor
 @Service
+@Slf4j
 public class GuestbookService {
 
     private final GuestbookRepository guestbookRepository;
@@ -47,7 +49,9 @@ public Page<GuestbookResponseDto> getByUserId(Long userId, Pageable pageable) {
     public void updatePartial(Long userId, GuestbookRequestDto dto) {
         Guestbook guestbook = guestbookRepository.findByKakaoPlaceIdAndUserId(dto.kakaoPlaceId(), userId)
                 .orElseThrow(() -> new BusinessException(ExceptionType.GUEST_BOOK_NOT_FOUND));
+        log.info("정상 작동");
         guestbook.updatePartial(dto.restaurantName(), dto.kakaoPlaceId(), dto.content(), dto.rating());
+        log.info("정상 작동");
     }
 
     @Transactional