diff --git a/src/main/java/com/kamco/cd/training/common/download/RangeDownloadResponder.java b/src/main/java/com/kamco/cd/training/common/download/RangeDownloadResponder.java
index 686741a..6abe707 100644
--- a/src/main/java/com/kamco/cd/training/common/download/RangeDownloadResponder.java
+++ b/src/main/java/com/kamco/cd/training/common/download/RangeDownloadResponder.java
@@ -36,6 +36,7 @@ public class RangeDownloadResponder {
             .contentType(MediaType.APPLICATION_OCTET_STREAM)
             .header(HttpHeaders.CONTENT_DISPOSITION, disposition)
             .header(HttpHeaders.ACCEPT_RANGES, "bytes")
+            .header("Access-Control-Expose-Headers", "Content-Disposition")
             .header("X-Accel-Buffering", "no");
 
     if (rangeHeader == null || rangeHeader.isBlank()) {
@@ -71,6 +72,7 @@ public class RangeDownloadResponder {
         .contentType(MediaType.APPLICATION_OCTET_STREAM)
         .header(HttpHeaders.CONTENT_DISPOSITION, disposition)
         .header(HttpHeaders.ACCEPT_RANGES, "bytes")
+        .header("Access-Control-Expose-Headers", "Content-Disposition")
         .header("X-Accel-Buffering", "no")
         .header(HttpHeaders.CONTENT_RANGE, "bytes " + start + "-" + end + "/" + totalSize)
         .contentLength(regionLength)
diff --git a/src/main/java/com/kamco/cd/training/train/TrainApiController.java b/src/main/java/com/kamco/cd/training/train/TrainApiController.java
index 88783d1..f6e8396 100644
--- a/src/main/java/com/kamco/cd/training/train/TrainApiController.java
+++ b/src/main/java/com/kamco/cd/training/train/TrainApiController.java
@@ -206,7 +206,7 @@ public class TrainApiController {
       })
   @PostMapping("/counts/{uuid}")
   public ApiResponseDto<Void> getCount(
-      @Parameter(description = "uuid", example = "80a0e544-36ed-4999-b705-97427f23337d")
+      @Parameter(description = "uuid", example = "e22181eb-2ac4-4100-9941-d06efce25c49")
           @PathVariable
           UUID uuid) {
     Long modelId = trainJobService.getModelIdByUuid(uuid);
diff --git a/src/main/java/com/kamco/cd/training/train/service/DataSetCountersService.java b/src/main/java/com/kamco/cd/training/train/service/DataSetCountersService.java
index 0c90ee8..7454b1a 100644
--- a/src/main/java/com/kamco/cd/training/train/service/DataSetCountersService.java
+++ b/src/main/java/com/kamco/cd/training/train/service/DataSetCountersService.java
@@ -54,6 +54,20 @@ public class DataSetCountersService {
       return (int)
           stream.filter(Files::isRegularFile).filter(p -> p.toString().endsWith(".tif")).count();
     }
+
+    /*
+    대소문자 및 geojson 필요시
+    * try (var stream = Files.walk(dir)) {
+        return (int)
+            stream
+                .filter(Files::isRegularFile)
+                .filter(p -> {
+                    String name = p.getFileName().toString().toLowerCase();
+                    return name.endsWith(".tif") || name.endsWith(".geojson");
+                })
+                .count();
+    }
+    * */
   }
 
   public DatasetCounters countTmpAfterBuild(Path path) throws IOException {