diff --git a/backend/src/main/java/com/worlabel/domain/image/entity/Image.java b/backend/src/main/java/com/worlabel/domain/image/entity/Image.java
index 12cceb1..b2002af 100644
--- a/backend/src/main/java/com/worlabel/domain/image/entity/Image.java
+++ b/backend/src/main/java/com/worlabel/domain/image/entity/Image.java
@@ -9,9 +9,6 @@ import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 
-import java.util.ArrayList;
-import java.util.List;
-
 @Getter
 @Entity
 @Table(name = "project_image")
@@ -49,7 +46,7 @@ public class Image extends BaseEntity {
      */
     @Column(name = "status", nullable = false)
     @Enumerated(EnumType.STRING)
-    private LabelStatus status = LabelStatus.PENDING;
+    private LabelStatus status = LabelStatus.Pending;
 
     /**
      * 속한 폴더
@@ -62,7 +59,7 @@ public class Image extends BaseEntity {
     /**
      * 이미지에 연결된 레이블
      */
-    @OneToOne(mappedBy = "image", cascade = CascadeType.ALL, orphanRemoval = true)
+    @OneToOne(mappedBy = "image", fetch = FetchType.LAZY, cascade = CascadeType.ALL, orphanRemoval = true)
     private Label label;
 
     private Image(final String imageTitle, final String imageUrl, final Integer order, final Folder folder) {
diff --git a/backend/src/main/java/com/worlabel/domain/image/entity/LabelStatus.java b/backend/src/main/java/com/worlabel/domain/image/entity/LabelStatus.java
index 93f66a7..f3253a0 100644
--- a/backend/src/main/java/com/worlabel/domain/image/entity/LabelStatus.java
+++ b/backend/src/main/java/com/worlabel/domain/image/entity/LabelStatus.java
@@ -4,7 +4,7 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.JsonValue;
 
 public enum LabelStatus {
-    PENDING,
+    Pending,
     IN_PROGRESS,
     NEED_REVIEW,
     COMPLETED;
diff --git a/backend/src/main/java/com/worlabel/domain/image/repository/ImageRepository.java b/backend/src/main/java/com/worlabel/domain/image/repository/ImageRepository.java
index 2e70391..ddb86b3 100644
--- a/backend/src/main/java/com/worlabel/domain/image/repository/ImageRepository.java
+++ b/backend/src/main/java/com/worlabel/domain/image/repository/ImageRepository.java
@@ -12,10 +12,8 @@ public interface ImageRepository extends JpaRepository<Image, Long> {
 
     Optional<Image> findByIdAndFolderId(Long imageId, Integer folderId);
 
-    // TODO: N + 1
     @Query("select i from Image i " +
-            "join fetch i.folder f " +
-            "join fetch f.project p " +
-            "where p.id = :projectId")
+            "join fetch i.label l " +
+            "where i.folder.project.id = :projectId")
     List<Image> findImagesByProjectId(@Param("projectId") Integer projectId);
 }
diff --git a/backend/src/main/java/com/worlabel/domain/label/controller/LabelController.java b/backend/src/main/java/com/worlabel/domain/label/controller/LabelController.java
index dfde93f..ac7b67b 100644
--- a/backend/src/main/java/com/worlabel/domain/label/controller/LabelController.java
+++ b/backend/src/main/java/com/worlabel/domain/label/controller/LabelController.java
@@ -26,7 +26,6 @@ public class LabelController {
 
     private final LabelService labelService;
 
-
     @Operation(summary = "프로젝트 단위 오토레이블링", description = "해당 프로젝트 이미지를 오토레이블링합니다.")
     @SwaggerApiSuccess(description = "해당 프로젝트가 오토 레이블링 됩니다.")
     @SwaggerApiError({ErrorCode.EMPTY_REQUEST_PARAMETER, ErrorCode.SERVER_ERROR})
@@ -51,7 +50,4 @@ public class LabelController {
         labelService.save(imageId);
         return SuccessResponse.empty();
     }
-    
-    
-
 }
diff --git a/backend/src/main/java/com/worlabel/domain/label/entity/Label.java b/backend/src/main/java/com/worlabel/domain/label/entity/Label.java
index a4f7aff..124e190 100644
--- a/backend/src/main/java/com/worlabel/domain/label/entity/Label.java
+++ b/backend/src/main/java/com/worlabel/domain/label/entity/Label.java
@@ -34,14 +34,6 @@ public class Label extends BaseEntity {
     @JoinColumn(name = "image_id")
     private Image image;
 
-    /**
-     * 속한 카테고리
-     * TODO: 한 레이블 카테고리에 속한걸 찾는데에 Json파일에 담기 때문에 카테고리는 Label Entity에 없어도 될 것 같음
-     */
-//    @ManyToOne(fetch = FetchType.LAZY)
-//    @JoinColumn(name = "label_category_id")
-//    private LabelCategory labelCategory;
-
     public static Label of(String jsonUrl, Image image) {
         Label label = new Label();
         label.url = jsonUrl;
@@ -49,4 +41,7 @@ public class Label extends BaseEntity {
         return label;
     }
 
+    public void changeUrl(String newUrl){
+
+    }
 }
diff --git a/backend/src/main/java/com/worlabel/domain/label/repository/LabelRepository.java b/backend/src/main/java/com/worlabel/domain/label/repository/LabelRepository.java
index 1f84962..cdf4641 100644
--- a/backend/src/main/java/com/worlabel/domain/label/repository/LabelRepository.java
+++ b/backend/src/main/java/com/worlabel/domain/label/repository/LabelRepository.java
@@ -8,4 +8,6 @@ import java.util.Optional;
 public interface LabelRepository extends JpaRepository<Label, Long> {
 
     Optional<Label> findByImageId(Long imageId);
+
+    boolean existsByImageId(Long imageId);
 }
diff --git a/backend/src/main/java/com/worlabel/domain/label/service/LabelService.java b/backend/src/main/java/com/worlabel/domain/label/service/LabelService.java
index c78bb41..c41ff1b 100644
--- a/backend/src/main/java/com/worlabel/domain/label/service/LabelService.java
+++ b/backend/src/main/java/com/worlabel/domain/label/service/LabelService.java
@@ -59,20 +59,21 @@ public class LabelService {
         List<Image> imageList = imageRepository.findImagesByProjectId(projectId);
         List<ImageRequest> imageRequestList = imageList.stream().map(ImageRequest::of).toList();
         AutoLabelingRequest autoLabelingRequest = AutoLabelingRequest.of(projectId, imageRequestList);
+        sendRequestToApi(autoLabelingRequest, projectType.getValue(), projectId);
+    }
 
-        List<AutoLabelingResponse> autoLabelingResponseList = sendRequestToApi(autoLabelingRequest, projectType.getValue(), projectId);
-        for (int index = 0; index < autoLabelingResponseList.size(); index++) {
-            AutoLabelingResponse response = autoLabelingResponseList.get(index);
-            Image image = imageList.get(index);
-            String uploadedUrl = s3UploadService.uploadJson(response.getData(), response.getImageUrl());
+    public void saveLabel(final AutoLabelingResponse autoLabelingResponse) {
+        String uploadUrl = s3UploadService.uploadJson(autoLabelingResponse.getData(), autoLabelingResponse.getImageUrl());
+        Image image = imageRepository.findById(autoLabelingResponse.getImageId())
+                .orElseThrow(() -> new CustomException(ErrorCode.IMAGE_NOT_FOUND));
 
-            Label label = labelRepository.findByImageId(response.getImageId())
-                    .orElseGet(() -> Label.of(uploadedUrl, image));
+        if (!labelRepository.existsByImageId(autoLabelingResponse.getImageId())) {
+            Label label = Label.of(uploadUrl, image);
             labelRepository.save(label);
         }
     }
 
-    private List<AutoLabelingResponse> sendRequestToApi(AutoLabelingRequest autoLabelingRequest, String apiEndpoint, int projectId) {
+    private void sendRequestToApi(AutoLabelingRequest autoLabelingRequest, String apiEndpoint, int projectId) {
         String url = createApiUrl(apiEndpoint);
 
         // RestTemplate을 동적으로 생성하여 사용
@@ -94,9 +95,7 @@ public class LabelService {
             String responseBody = Optional.ofNullable(response.getBody())
                     .orElseThrow(() -> new CustomException(ErrorCode.AI_SERVER_ERROR));
 
-            log.info("AI 서버 응답 -> {}", response.getBody());
-
-            return parseAutoLabelingResponseList(responseBody);
+//            return parseAutoLabelingResponseList(responseBody);
         } catch (Exception e) {
             log.error("AI 서버 요청 중 오류 발생: ", e);
             throw new CustomException(ErrorCode.AI_SERVER_ERROR);
@@ -107,17 +106,16 @@ public class LabelService {
         JsonElement jsonElement = JsonParser.parseString(responseBody);
         List<AutoLabelingResponse> autoLabelingResponseList = new ArrayList<>();
         for (JsonElement element : jsonElement.getAsJsonArray()) {
-            AutoLabelingResponse response = parseAutoLabelingResponse(element);
+            AutoLabelingResponse response = parseAutoLabelingResponse(element.getAsJsonObject());
             autoLabelingResponseList.add(response);
         }
         return autoLabelingResponseList;
     }
 
     /**
-     * jsonElement -> AutoLabelingResponse
+     * jsonObject -> AutoLabelingResponse
      */
-    private AutoLabelingResponse parseAutoLabelingResponse(JsonElement element) {
-        JsonObject jsonObject = element.getAsJsonObject();
+    public AutoLabelingResponse parseAutoLabelingResponse(JsonObject jsonObject) {
         Long imageId = jsonObject.get("image_id").getAsLong();
         String imageUrl = jsonObject.get("image_url").getAsString();
         JsonObject data = jsonObject.get("data").getAsJsonObject();
diff --git a/backend/src/main/java/com/worlabel/domain/participant/repository/ParticipantRepository.java b/backend/src/main/java/com/worlabel/domain/participant/repository/ParticipantRepository.java
index ddfc9a9..028d688 100644
--- a/backend/src/main/java/com/worlabel/domain/participant/repository/ParticipantRepository.java
+++ b/backend/src/main/java/com/worlabel/domain/participant/repository/ParticipantRepository.java
@@ -26,6 +26,8 @@ public interface ParticipantRepository extends JpaRepository<Participant, Intege
             @Param("projectId") Integer projectId);
 
     Optional<Participant> findByMemberIdAndProjectId(Integer memberId, Integer projectId);
+
+
 }
 
 
diff --git a/backend/src/main/java/com/worlabel/domain/progress/ProgressController.java b/backend/src/main/java/com/worlabel/domain/progress/ProgressController.java
index bce5218..e011102 100644
--- a/backend/src/main/java/com/worlabel/domain/progress/ProgressController.java
+++ b/backend/src/main/java/com/worlabel/domain/progress/ProgressController.java
@@ -1,5 +1,11 @@
 package com.worlabel.domain.progress;
 
+import com.google.gson.Gson;
+import com.google.gson.JsonObject;
+import com.worlabel.domain.label.entity.dto.AutoLabelingResponse;
+import com.worlabel.domain.label.service.LabelService;
+import com.worlabel.global.service.S3UploadService;
+import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.messaging.handler.annotation.MessageMapping;
 import org.springframework.messaging.handler.annotation.SendTo;
@@ -7,8 +13,13 @@ import org.springframework.stereotype.Controller;
 
 @Slf4j
 @Controller
+@RequiredArgsConstructor
 public class ProgressController {
 
+    private final LabelService labelService;
+    private final S3UploadService s3UploadService;
+    private final Gson gson;
+
     @MessageMapping("/ai/train/progress")
     @SendTo("/topic/progress")
     public String handleTrainingProgress(String message) {
@@ -16,4 +27,16 @@ public class ProgressController {
         log.debug("Received message: {}", message);
         return message;
     }
+
+    @MessageMapping("/ai/predict/progress")
+    @SendTo("/topic/progress")
+    public String handlePredictProgress(String message) {
+        JsonObject jsonObject = gson.fromJson(message, JsonObject.class);
+
+        int progress = jsonObject.get("progress").getAsInt();
+        AutoLabelingResponse autoLabelingResponse = labelService.parseAutoLabelingResponse(jsonObject.getAsJsonObject("result"));
+        labelService.saveLabel(autoLabelingResponse);
+        log.debug("오토 레이블링 진행률 : {}%",progress);
+        return String.valueOf(progress);
+    }
 }
diff --git a/backend/src/main/java/com/worlabel/domain/project/controller/ProjectController.java b/backend/src/main/java/com/worlabel/domain/project/controller/ProjectController.java
index 2583fd6..5affa25 100644
--- a/backend/src/main/java/com/worlabel/domain/project/controller/ProjectController.java
+++ b/backend/src/main/java/com/worlabel/domain/project/controller/ProjectController.java
@@ -83,8 +83,6 @@ public class ProjectController {
     public BaseResponse<Void> trainModel(
             @CurrentUser final Integer memberId,
             @PathVariable("project_id") final Integer projectId) {
-        log.debug("훈련 요청 ");
-
         projectService.train(memberId, projectId);
         return SuccessResponse.empty();
     }
diff --git a/backend/src/main/java/com/worlabel/domain/project/service/ProjectService.java b/backend/src/main/java/com/worlabel/domain/project/service/ProjectService.java
index f483701..3cb564e 100644
--- a/backend/src/main/java/com/worlabel/domain/project/service/ProjectService.java
+++ b/backend/src/main/java/com/worlabel/domain/project/service/ProjectService.java
@@ -8,7 +8,6 @@ import com.worlabel.domain.participant.entity.WorkspaceParticipant;
 import com.worlabel.domain.participant.entity.dto.ParticipantRequest;
 import com.worlabel.domain.participant.repository.ParticipantRepository;
 import com.worlabel.domain.participant.repository.WorkspaceParticipantRepository;
-import com.worlabel.domain.project.dto.RequestDto;
 import com.worlabel.domain.project.dto.RequestDto.TrainRequest;
 import com.worlabel.domain.project.entity.Project;
 import com.worlabel.domain.project.entity.dto.ProjectRequest;
@@ -18,26 +17,16 @@ import com.worlabel.domain.workspace.entity.Workspace;
 import com.worlabel.domain.workspace.repository.WorkspaceRepository;
 import com.worlabel.global.exception.CustomException;
 import com.worlabel.global.exception.ErrorCode;
-import com.worlabel.global.service.AIWebSocketClient;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;
-import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.http.ResponseEntity;
-import org.springframework.scheduling.annotation.Async;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.client.RestTemplate;
-import org.springframework.web.socket.TextMessage;
-import org.springframework.web.socket.WebSocketHttpHeaders;
-import org.springframework.web.socket.client.standard.StandardWebSocketClient;
-import org.springframework.web.socket.handler.TextWebSocketHandler;
-import org.springframework.web.util.UriComponentsBuilder;
 
-import java.net.URI;
 import java.util.List;
 import java.util.Objects;
-import java.util.concurrent.CompletableFuture;
 
 @Slf4j
 @Service
@@ -52,6 +41,12 @@ public class ProjectService {
     private final WorkspaceParticipantRepository workspaceParticipantRepository;
     private final RestTemplate restTemplate;
 
+    /**
+     * AI SERVER 주소
+     */
+    @Value("${ai.server}")
+    private String aiServer;
+
     public ProjectResponse createProject(final Integer memberId, final Integer workspaceId, final ProjectRequest projectRequest) {
         Workspace workspace = getWorkspace(memberId, workspaceId);
         Member member = getMember(memberId);
@@ -128,14 +123,17 @@ public class ProjectService {
         participantRepository.delete(participant);
     }
 
-    @Async
-    public CompletableFuture<Void> train(final Integer memberId, final Integer projectId) {
-        // 멤버 권한 체크 
+    public void train(final Integer memberId, final Integer projectId) {
+        // 멤버 권한 체크
+        checkEditorParticipant(memberId, projectId);
 
-        // 레디스 train 테이블에 존재하는지 확인
+        // TODO: 레디스 train 테이블에 존재하는지 확인 -> 이미 있으면 있다고 예외를 던져준다.
+        /*
+            없으면 redis 상태 테이블을 만든다. progressTable
+         */
 
         // FastAPI 서버로 학습 요청을 전송
-        String url = "http://localhost:8000/api/detection/train";
+        String url = aiServer + "/detection/train";
 
         TrainRequest trainRequest = new TrainRequest();
         trainRequest.setProjectId(projectId);
@@ -145,12 +143,11 @@ public class ProjectService {
         try {
             ResponseEntity<String> result = restTemplate.postForEntity(url, trainRequest, String.class);
             log.debug("응답 결과 {} ",result);
-            System.out.println("FastAPI 서버에 학습 요청을 성공적으로 전송했습니다. Project ID: " + projectId);
+            log.debug("FastAPI 서버에 학습 요청을 성공적으로 전송했습니다. Project ID: {}", projectId);
         } catch (Exception e) {
-            System.err.println("FastAPI 서버에 학습 요청을 전송하는 중 오류가 발생했습니다: " + e.getMessage());
+            log.error("FastAPI 서버에 학습 요청을 전송하는 중 오류가 발생했습니다 {}",e.getMessage());
+            throw new CustomException(ErrorCode.AI_SERVER_ERROR);
         }
-
-        return CompletableFuture.completedFuture(null);
     }
 
     private Workspace getWorkspace(final Integer memberId, final Integer workspaceId) {
@@ -168,6 +165,12 @@ public class ProjectService {
                 .orElseThrow(() -> new CustomException(ErrorCode.PROJECT_NOT_FOUND));
     }
 
+    private void checkEditorParticipant(final Integer memberId, final Integer projectId) {
+        if(participantRepository.doesParticipantUnauthorizedExistByMemberIdAndProjectId(memberId,projectId)){
+            throw new CustomException(ErrorCode.PARTICIPANT_UNAUTHORIZED);
+        }
+    }
+
     private void checkExistParticipant(final Integer memberId, final Integer projectId) {
         if (!participantRepository.existsByMemberIdAndProjectId(memberId, projectId)) {
             throw new CustomException(ErrorCode.PARTICIPANT_UNAUTHORIZED);
diff --git a/backend/src/main/java/com/worlabel/global/service/S3UploadService.java b/backend/src/main/java/com/worlabel/global/service/S3UploadService.java
index 2f5fa8f..07c6469 100644
--- a/backend/src/main/java/com/worlabel/global/service/S3UploadService.java
+++ b/backend/src/main/java/com/worlabel/global/service/S3UploadService.java
@@ -50,8 +50,7 @@ public class S3UploadService {
 //        String targetUrl = projectId + "/" + title + ".json"; // S3에 업로드할 대상 URL
         String targetUrl = removeExtension(getKeyFromImageAddress(imageUrl)) + ".json";
 
-        log.debug("주소 {}", targetUrl);
-
+//        log.debug("주소 {}", targetUrl);
         try {
             byte[] jsonBytes = json.getBytes(StandardCharsets.UTF_8);
             ObjectMetadata metadata = new ObjectMetadata();
@@ -65,7 +64,7 @@ public class S3UploadService {
             }
 
             URL uploadedUrl = amazonS3.getUrl(bucket, targetUrl);
-            log.debug("Uploaded JSON URL: {}", uploadedUrl);
+//            log.debug("Uploaded JSON URL: {}", uploadedUrl);
             return uploadedUrl.toString(); // 업로드된 파일의 URL 반환
         } catch (Exception e) {
             log.error("JSON 업로드 중 오류 발생: ", e);