diff --git a/src/main/java/com/kamco/cd/kamcoback/trainingdata/TrainingDataLabelApiController.java b/src/main/java/com/kamco/cd/kamcoback/trainingdata/TrainingDataLabelApiController.java
index a1948b18..9efd6f32 100644
--- a/src/main/java/com/kamco/cd/kamcoback/trainingdata/TrainingDataLabelApiController.java
+++ b/src/main/java/com/kamco/cd/kamcoback/trainingdata/TrainingDataLabelApiController.java
@@ -88,9 +88,9 @@ public class TrainingDataLabelApiController {
         @ApiResponse(responseCode = "500", description = "서버 오류", content = @Content)
       })
   @PostMapping
-  public ApiResponseDto<ResponseObj> saveLabelingFeature(
+  public ApiResponseDto<String> saveLabelingFeature(
       @RequestBody TrainingDataLabelDto.LabelFeatureRequest request) {
-    return ApiResponseDto.okObject(trainingDataLabelService.saveLabelingFeature(request));
+    return ApiResponseDto.ok(trainingDataLabelService.saveLabelingFeature(request));
   }
 
   @Operation(summary = "작업 통계 조회", description = "라벨러의 작업 현황 통계를 조회합니다. (전체/미작업/Today 건수)")
diff --git a/src/main/java/com/kamco/cd/kamcoback/trainingdata/TrainingDataReviewApiController.java b/src/main/java/com/kamco/cd/kamcoback/trainingdata/TrainingDataReviewApiController.java
index 376a55a1..35664d9e 100644
--- a/src/main/java/com/kamco/cd/kamcoback/trainingdata/TrainingDataReviewApiController.java
+++ b/src/main/java/com/kamco/cd/kamcoback/trainingdata/TrainingDataReviewApiController.java
@@ -88,9 +88,9 @@ public class TrainingDataReviewApiController {
         @ApiResponse(responseCode = "500", description = "서버 오류", content = @Content)
       })
   @PostMapping
-  public ApiResponseDto<ResponseObj> saveReviewFeature(
+  public ApiResponseDto<String> saveReviewFeature(
       @RequestBody TrainingDataReviewDto.GeoFeatureRequest request) {
-    return ApiResponseDto.okObject(trainingDataReviewService.saveReviewFeature(request));
+    return ApiResponseDto.ok(trainingDataReviewService.saveReviewFeature(request));
   }
 
   @Operation(summary = "작업 통계 조회", description = "검수자의 작업 현황 통계를 조회합니다. (전체/미작업/Today 건수)")
diff --git a/src/main/java/com/kamco/cd/kamcoback/trainingdata/service/TrainingDataLabelService.java b/src/main/java/com/kamco/cd/kamcoback/trainingdata/service/TrainingDataLabelService.java
index 6b5696da..f4063521 100644
--- a/src/main/java/com/kamco/cd/kamcoback/trainingdata/service/TrainingDataLabelService.java
+++ b/src/main/java/com/kamco/cd/kamcoback/trainingdata/service/TrainingDataLabelService.java
@@ -36,7 +36,7 @@ public class TrainingDataLabelService {
   }
 
   @Transactional
-  public ResponseObj saveLabelingFeature(LabelFeatureRequest request) {
+  public String saveLabelingFeature(LabelFeatureRequest request) {
     String status = "";
     String assignmentUid = request.getAssignmentUid();
     Long inferenceGeomUid =
@@ -52,7 +52,7 @@ public class TrainingDataLabelService {
       trainingDataLabelCoreService.updateLabelingPolygonClass(
           inferenceGeomUid, request.getGeometry(), request.getProperties(), status);
     }
-    return new ResponseObj(ApiResponseCode.OK, "저장되었습니다.");
+    return status;
   }
 
   /**
diff --git a/src/main/java/com/kamco/cd/kamcoback/trainingdata/service/TrainingDataReviewService.java b/src/main/java/com/kamco/cd/kamcoback/trainingdata/service/TrainingDataReviewService.java
index e7916847..3343bdb6 100644
--- a/src/main/java/com/kamco/cd/kamcoback/trainingdata/service/TrainingDataReviewService.java
+++ b/src/main/java/com/kamco/cd/kamcoback/trainingdata/service/TrainingDataReviewService.java
@@ -36,7 +36,7 @@ public class TrainingDataReviewService {
   }
 
   @Transactional
-  public ResponseObj saveReviewFeature(GeoFeatureRequest request) {
+  public String saveReviewFeature(GeoFeatureRequest request) {
     String status = "";
     String operatorUid = request.getOperatorUid();
     Long inferenceGeomUid = trainingDataReviewCoreService.findReviewOperatorGeoUid(operatorUid);
@@ -52,7 +52,7 @@ public class TrainingDataReviewService {
       trainingDataReviewCoreService.updateReviewPolygonClass(
           inferenceGeomUid, request.getGeometry(), request.getProperties(), status);
     }
-    return new ResponseObj(ApiResponseCode.OK, "저장되었습니다.");
+    return status;
   }
 
   /**