diff --git a/src/main/java/kr/re/etri/autoflow/controllers/AttachmentController.java b/src/main/java/kr/re/etri/autoflow/controllers/AttachmentController.java
index 9f82339..24815ac 100644
--- a/src/main/java/kr/re/etri/autoflow/controllers/AttachmentController.java
+++ b/src/main/java/kr/re/etri/autoflow/controllers/AttachmentController.java
@@ -50,7 +50,12 @@ public class AttachmentController {
     @GetMapping("/search")
     public ResponseEntity<Page<MinioAttachmentEntity>> search(
             @ParameterObject @ModelAttribute BaseSearchRequest request,
-            @RequestParam(value = "refType", required = false) String refType) {
+            @Parameter(
+                    description = "첨부파일 구분자. 예: WORKFLOW_STEP, DATASET, TRAINING_SCRIPT",
+                    example = "WORKFLOW_STEP"
+            )
+            @RequestParam(value = "refType", required = false) String refType
+    ) {
         Page<MinioAttachmentEntity> page = minioAttachmentService.search(request, refType);
         return ResponseEntity.ok(page);
     }
diff --git a/src/main/java/kr/re/etri/autoflow/controllers/WorkFlowController.java b/src/main/java/kr/re/etri/autoflow/controllers/WorkFlowController.java
index 5a296e3..8ef6b4a 100644
--- a/src/main/java/kr/re/etri/autoflow/controllers/WorkFlowController.java
+++ b/src/main/java/kr/re/etri/autoflow/controllers/WorkFlowController.java
@@ -46,7 +46,6 @@ public class WorkFlowController {
         return ResponseEntity.ok(page);
     }
 
-
     @Operation(summary = "워크플로우 등록")
     @PostMapping
     public ResponseEntity<WorkflowEntity> createWorkflow(@RequestBody WorkflowEntity workflow) {
diff --git a/src/main/java/kr/re/etri/autoflow/entity/MinioAttachmentEntity.java b/src/main/java/kr/re/etri/autoflow/entity/MinioAttachmentEntity.java
index eb26c10..16f516d 100644
--- a/src/main/java/kr/re/etri/autoflow/entity/MinioAttachmentEntity.java
+++ b/src/main/java/kr/re/etri/autoflow/entity/MinioAttachmentEntity.java
@@ -35,7 +35,7 @@ public class MinioAttachmentEntity {
     @Schema(description = "첨부파일 종류 (DATASET / SCRIPT)", example = "DATASET")
     @Comment("첨부파일 종류")
     @Column(nullable = false, length = 50)
-    private String refType;  // 구분자 (예: DATASET, TRAINING_SCRIPT)
+    private String refType;  // 구분자 (예: WORKFLOW_STEP,DATASET, TRAINING_SCRIPT)
 
     @Schema(description = "원본 파일명", example = "step1.yaml")
     @Comment("원본 파일명")