diff --git a/.github/workflows/cd-workflow-dev.yml b/.github/workflows/cd-workflow-dev.yml
index 5a04c00db..dfbaccd1a 100644
--- a/.github/workflows/cd-workflow-dev.yml
+++ b/.github/workflows/cd-workflow-dev.yml
@@ -68,7 +68,9 @@ jobs:
             cd ${{ env.COMPOSE_PATH }}
             
             echo "✋🏻Stopping existing container and Cleaning up old images"
-            sudo docker-compose down --rmi all
+#            sudo docker-compose down --rmi all
+            sudo docker-compose stop ${{ secrets.DOCKER_IMAGE }}
+            sudo docker rm -f ${{ secrets.DOCKER_IMAGE }}
             
             sudo docker ps -a
             
diff --git a/src/main/java/konkuk/thip/book/adapter/out/persistence/repository/SavedBookJpaRepository.java b/src/main/java/konkuk/thip/book/adapter/out/persistence/repository/SavedBookJpaRepository.java
index 234b9bfd4..6038ecc7d 100644
--- a/src/main/java/konkuk/thip/book/adapter/out/persistence/repository/SavedBookJpaRepository.java
+++ b/src/main/java/konkuk/thip/book/adapter/out/persistence/repository/SavedBookJpaRepository.java
@@ -4,11 +4,12 @@
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 
 public interface SavedBookJpaRepository extends JpaRepository<SavedBookJpaEntity, Long> {
     @Query("SELECT CASE WHEN COUNT(s) > 0 THEN true ELSE false END FROM SavedBookJpaEntity s " +
            "WHERE s.userJpaEntity.userId = :userId AND s.bookJpaEntity.bookId = :bookId")
-    boolean existsByUserIdAndBookId(Long userId, Long bookId);
+    boolean existsByUserIdAndBookId(@Param("userId") Long userId, @Param("bookId") Long bookId);
 
     @Modifying(clearAutomatically = true, flushAutomatically = true)
     @Query("DELETE FROM SavedBookJpaEntity s WHERE s.userJpaEntity.userId = :userId AND s.bookJpaEntity.bookId = :bookId")
diff --git a/src/main/java/konkuk/thip/common/exception/code/ErrorCode.java b/src/main/java/konkuk/thip/common/exception/code/ErrorCode.java
index 0c4d9577b..ef76ea025 100644
--- a/src/main/java/konkuk/thip/common/exception/code/ErrorCode.java
+++ b/src/main/java/konkuk/thip/common/exception/code/ErrorCode.java
@@ -156,7 +156,6 @@ public enum ErrorCode implements ResponseCode {
     TAG_NOT_FOUND(HttpStatus.NOT_FOUND, 160002, "존재하지 않는 TAG 입니다."),
     INVALID_FEED_COMMAND(HttpStatus.BAD_REQUEST, 160003, "유효하지 않은 FEED 생성/수정 요청 입니다."),
     FEED_ACCESS_FORBIDDEN(HttpStatus.FORBIDDEN, 160004, "피드 접근 권한이 없습니다."),
-    DUPLICATED_FEEDS_IN_COLLECTION(HttpStatus.INTERNAL_SERVER_ERROR, 160005, "중복된 피드가 존재합니다."),
     FEED_ALREADY_SAVED(HttpStatus.BAD_REQUEST, 160006, "사용자가 이미 저장한 피드입니다."),
     FEED_NOT_SAVED_CANNOT_DELETE(HttpStatus.BAD_REQUEST, 160007, "사용자가 저장하지 않은 피드는 저장삭제 할 수 없습니다."),
     FEED_CAN_NOT_SHOW_PRIVATE_ONE(HttpStatus.BAD_REQUEST, 160008, "비공개 피드는 피드 작성자 이외에는 조회할 수 없습니다."),
diff --git a/src/main/java/konkuk/thip/feed/adapter/out/persistence/FeedQueryPersistenceAdapter.java b/src/main/java/konkuk/thip/feed/adapter/out/persistence/FeedQueryPersistenceAdapter.java
index 1f39070ce..ea880cef8 100644
--- a/src/main/java/konkuk/thip/feed/adapter/out/persistence/FeedQueryPersistenceAdapter.java
+++ b/src/main/java/konkuk/thip/feed/adapter/out/persistence/FeedQueryPersistenceAdapter.java
@@ -1,34 +1,22 @@
 package konkuk.thip.feed.adapter.out.persistence;
 
 import konkuk.thip.common.entity.StatusType;
-import konkuk.thip.common.exception.EntityNotFoundException;
 import konkuk.thip.common.util.Cursor;
 import konkuk.thip.common.util.CursorBasedList;
-import konkuk.thip.feed.adapter.out.jpa.FeedJpaEntity;
-import konkuk.thip.feed.adapter.out.jpa.SavedFeedJpaEntity;
-import konkuk.thip.feed.adapter.out.jpa.TagJpaEntity;
 import konkuk.thip.feed.adapter.out.mapper.FeedMapper;
 import konkuk.thip.feed.adapter.out.persistence.repository.FeedJpaRepository;
 import konkuk.thip.feed.adapter.out.persistence.repository.FeedTag.FeedTagJpaRepository;
 import konkuk.thip.feed.adapter.out.persistence.repository.SavedFeedJpaRepository;
 import konkuk.thip.feed.application.port.out.FeedQueryPort;
 import konkuk.thip.feed.application.port.out.dto.TagCategoryQueryDto;
-import konkuk.thip.feed.application.port.out.dto.FeedIdAndTagProjection;
 import konkuk.thip.feed.application.port.out.dto.FeedQueryDto;
-import konkuk.thip.feed.domain.Feed;
-import konkuk.thip.feed.domain.SavedFeeds;
-import konkuk.thip.user.adapter.out.jpa.UserJpaEntity;
 import konkuk.thip.user.adapter.out.persistence.repository.UserJpaRepository;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Repository;
 
 import java.time.LocalDateTime;
 import java.util.List;
-import java.util.Map;
 import java.util.Set;
-import java.util.stream.Collectors;
-
-import static konkuk.thip.common.exception.code.ErrorCode.USER_NOT_FOUND;
 
 @Repository
 @RequiredArgsConstructor
@@ -112,40 +100,13 @@ public int countPublicFeedsByUserId(Long userId) {
     }
 
     @Override
-    public SavedFeeds findSavedFeedsByUserId(Long userId) {
-        UserJpaEntity user = userJpaRepository.findById(userId)
-                .orElseThrow(() -> new EntityNotFoundException(USER_NOT_FOUND));
-
-        List<SavedFeedJpaEntity> savedFeedEntities =
-                savedFeedJpaRepository.findAllByUserId(user.getUserId());
-
-        List<Long> feedIds = savedFeedEntities.stream()
-                .map(entity -> entity.getFeedJpaEntity().getPostId())
-                .toList();
-
-        // Projection 기반 조회
-        List<FeedIdAndTagProjection> results = feedTagJpaRepository.findFeedIdAndTagsByFeedIds(feedIds);
-
-        Map<Long, List<TagJpaEntity>> feedTagsMap = results.stream()
-                .collect(Collectors.groupingBy(
-                        FeedIdAndTagProjection::getFeedId,
-                        Collectors.mapping(FeedIdAndTagProjection::getTagJpaEntity, Collectors.toList())
-                ));
-
-        List<Feed> feeds = savedFeedEntities.stream()
-                .map(entity -> {
-                    FeedJpaEntity feedJpa = entity.getFeedJpaEntity();
-                    List<TagJpaEntity> tags = feedTagsMap.getOrDefault(feedJpa.getPostId(), List.of());
-                    return feedMapper.toDomainEntity(feedJpa, tags);
-                })
-                .toList();
-
-        return new SavedFeeds(feeds);
+    public Set<Long> findSavedFeedIdsByUserIdAndFeedIds(Set<Long> feedIds, Long userId) {
+        return savedFeedJpaRepository.findSavedFeedIdsByUserIdAndFeedIds(userId, feedIds);
     }
 
     @Override
-    public Set<Long> findSavedFeedIdsByUserIdAndFeedIds(Set<Long> feedIds, Long userId) {
-        return savedFeedJpaRepository.findSavedFeedIdsByUserIdAndFeedIds(userId, feedIds);
+    public boolean existsSavedFeedByUserIdAndFeedId(Long userId, Long feedId) {
+        return savedFeedJpaRepository.existsByUserIdAndFeedId(userId, feedId);
     }
 
     @Override
diff --git a/src/main/java/konkuk/thip/feed/adapter/out/persistence/repository/SavedFeedJpaRepository.java b/src/main/java/konkuk/thip/feed/adapter/out/persistence/repository/SavedFeedJpaRepository.java
index 9e4824066..c10a53f7d 100644
--- a/src/main/java/konkuk/thip/feed/adapter/out/persistence/repository/SavedFeedJpaRepository.java
+++ b/src/main/java/konkuk/thip/feed/adapter/out/persistence/repository/SavedFeedJpaRepository.java
@@ -24,4 +24,8 @@ public interface SavedFeedJpaRepository extends JpaRepository<SavedFeedJpaEntity
     @Modifying(clearAutomatically = true, flushAutomatically = true)
     @Query("DELETE FROM SavedFeedJpaEntity sf WHERE sf.feedJpaEntity.postId = :feedId")
     int deleteAllByFeedId(@Param("feedId") Long feedId);
+
+    @Query("SELECT CASE WHEN COUNT(s) > 0 THEN true ELSE false END FROM SavedFeedJpaEntity s " +
+            "WHERE s.userJpaEntity.userId = :userId AND s.feedJpaEntity.postId = :feedId")
+    boolean existsByUserIdAndFeedId(@Param("userId") Long userId, @Param("feedId") Long feedId);
 }
diff --git a/src/main/java/konkuk/thip/feed/application/port/out/FeedQueryPort.java b/src/main/java/konkuk/thip/feed/application/port/out/FeedQueryPort.java
index aa71dc8b8..b4d7a903d 100644
--- a/src/main/java/konkuk/thip/feed/application/port/out/FeedQueryPort.java
+++ b/src/main/java/konkuk/thip/feed/application/port/out/FeedQueryPort.java
@@ -4,7 +4,6 @@
 import konkuk.thip.common.util.CursorBasedList;
 import konkuk.thip.feed.application.port.out.dto.TagCategoryQueryDto;
 import konkuk.thip.feed.application.port.out.dto.FeedQueryDto;
-import konkuk.thip.feed.domain.SavedFeeds;
 
 import java.util.List;
 import java.util.Set;
@@ -36,11 +35,10 @@ public interface FeedQueryPort {
     /**
      * 저장된 피드 조회
      */
-    SavedFeeds findSavedFeedsByUserId(Long userId);
 
     Set<Long> findSavedFeedIdsByUserIdAndFeedIds(Set<Long> feedIds, Long userId);
 
-    List<TagCategoryQueryDto> findAllTags();
+     boolean existsSavedFeedByUserIdAndFeedId(Long userId, Long feedId);
 
     /**
      * 특정 책으로 작성된 피드 조회
@@ -50,4 +48,9 @@ public interface FeedQueryPort {
     CursorBasedList<FeedQueryDto> findFeedsByBookIsbnOrderByLatest(String isbn, Long userId, Cursor cursor);
 
     List<Long> findLatestPublicFeedCreatorsIn(Set<Long> userIds, int size);
+
+    /**
+     * 모든 태그 조회
+     */
+    List<TagCategoryQueryDto> findAllTags();
 }
diff --git a/src/main/java/konkuk/thip/feed/application/service/FeedSavedService.java b/src/main/java/konkuk/thip/feed/application/service/FeedSavedService.java
index 80116c054..0169faa54 100644
--- a/src/main/java/konkuk/thip/feed/application/service/FeedSavedService.java
+++ b/src/main/java/konkuk/thip/feed/application/service/FeedSavedService.java
@@ -1,16 +1,18 @@
 package konkuk.thip.feed.application.service;
 
+import konkuk.thip.common.exception.BusinessException;
 import konkuk.thip.feed.application.port.in.FeedSavedUseCase;
 import konkuk.thip.feed.application.port.in.dto.FeedIsSavedCommand;
 import konkuk.thip.feed.application.port.in.dto.FeedIsSavedResult;
 import konkuk.thip.feed.application.port.out.FeedCommandPort;
 import konkuk.thip.feed.application.port.out.FeedQueryPort;
 import konkuk.thip.feed.domain.Feed;
-import konkuk.thip.feed.domain.SavedFeeds;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import static konkuk.thip.common.exception.code.ErrorCode.*;
+
 @Service
 @RequiredArgsConstructor
 public class FeedSavedService implements FeedSavedUseCase {
@@ -20,24 +22,31 @@ public class FeedSavedService implements FeedSavedUseCase {
 
     @Override
     @Transactional
-    public FeedIsSavedResult changeSavedFeed(FeedIsSavedCommand feedIsSavedCommand) {
+    public FeedIsSavedResult changeSavedFeed(FeedIsSavedCommand command) {
 
         // 1. 피드 검증 및 조회
-        Feed feed = feedCommandPort.getByIdOrThrow(feedIsSavedCommand.feedId());
+        Feed feed = feedCommandPort.getByIdOrThrow(command.feedId());
 
-        // 2. 유저가 저장한 피드 목록 조회
-        SavedFeeds savedFeeds = feedQueryPort.findSavedFeedsByUserId(feedIsSavedCommand.userId());
+        // 2. 유저가 해당 피드를 저장했는지 여부 조회
+        boolean alreadySaved = feedQueryPort.existsSavedFeedByUserIdAndFeedId(command.userId(), feed.getId());
+        validateSaveFeedAction(command.isSaved(), alreadySaved);
 
-        if (feedIsSavedCommand.isSaved()) {
-            // 저장 요청 시 이미 저장되어 있으면 예외 발생
-            savedFeeds.validateNotAlreadySaved(feed);
-            feedCommandPort.saveSavedFeed(feedIsSavedCommand.userId(), feed.getId());
+        if (command.isSaved()) {
+            feedCommandPort.saveSavedFeed(command.userId(), feed.getId());
         } else {
-            // 삭제 요청 시 저장되어 있지 않으면 예외 발생
-            savedFeeds.validateCanDelete(feed);
-            feedCommandPort.deleteSavedFeed(feedIsSavedCommand.userId(), feed.getId());
+            feedCommandPort.deleteSavedFeed(command.userId(), feed.getId());
         }
 
-        return FeedIsSavedResult.of(feed.getId(), feedIsSavedCommand.isSaved());
+        return FeedIsSavedResult.of(feed.getId(), command.isSaved());
+    }
+
+    private void validateSaveFeedAction(boolean isSaveRequest, boolean alreadySaved) {
+        if (isSaveRequest && alreadySaved) {
+            // 이미 저장되어 있는 피드를 다시 저장하려는 경우 예외 처리
+            throw new BusinessException(FEED_ALREADY_SAVED);
+        } else if (!isSaveRequest && !alreadySaved) {
+            // 저장되지 않은 피드를 삭제하려는 경우 예외 처리
+            throw new BusinessException(FEED_NOT_SAVED_CANNOT_DELETE);
+        }
     }
 }
diff --git a/src/main/java/konkuk/thip/feed/domain/SavedFeeds.java b/src/main/java/konkuk/thip/feed/domain/SavedFeeds.java
deleted file mode 100644
index e5c739477..000000000
--- a/src/main/java/konkuk/thip/feed/domain/SavedFeeds.java
+++ /dev/null
@@ -1,42 +0,0 @@
-package konkuk.thip.feed.domain;
-
-import konkuk.thip.common.exception.InvalidStateException;
-import lombok.Getter;
-
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
-import static konkuk.thip.common.exception.code.ErrorCode.*;
-
-@Getter
-public class SavedFeeds {
-
-    private final Set<Feed> feeds;
-
-    public SavedFeeds(List<Feed> feeds) {
-        Set<Feed> feedSet = new HashSet<>(feeds);
-        if (feedSet.size() != feeds.size()) {
-            throw new InvalidStateException(DUPLICATED_FEEDS_IN_COLLECTION);
-        }
-        this.feeds = Collections.unmodifiableSet(feedSet);
-    }
-
-    // 중복 저장 검증
-    public void validateNotAlreadySaved(Feed feed) {
-        if (feeds.contains(feed)) {
-            throw new InvalidStateException(FEED_ALREADY_SAVED);
-        }
-    }
-
-    // 삭제 가능 여부 검증
-    public void validateCanDelete(Feed feed) {
-        if (!feeds.contains(feed)) {
-            throw new InvalidStateException(FEED_NOT_SAVED_CANNOT_DELETE);
-        }
-    }
-
-}
-
-