diff --git a/tutorials/train/change_detection/data/AirChange/cropped_test_images/gt_1.bmp b/tutorials/train/change_detection/data/airchange/cropped_test_images/gt_1.bmp similarity index 100% rename from tutorials/train/change_detection/data/AirChange/cropped_test_images/gt_1.bmp rename to tutorials/train/change_detection/data/airchange/cropped_test_images/gt_1.bmp diff --git a/tutorials/train/change_detection/data/AirChange/cropped_test_images/gt_2.bmp b/tutorials/train/change_detection/data/airchange/cropped_test_images/gt_2.bmp similarity index 100% rename from tutorials/train/change_detection/data/AirChange/cropped_test_images/gt_2.bmp rename to tutorials/train/change_detection/data/airchange/cropped_test_images/gt_2.bmp diff --git a/tutorials/train/change_detection/data/AirChange/cropped_test_images/im1_1.bmp b/tutorials/train/change_detection/data/airchange/cropped_test_images/im1_1.bmp similarity index 100% rename from tutorials/train/change_detection/data/AirChange/cropped_test_images/im1_1.bmp rename to tutorials/train/change_detection/data/airchange/cropped_test_images/im1_1.bmp diff --git a/tutorials/train/change_detection/data/AirChange/cropped_test_images/im1_2.bmp b/tutorials/train/change_detection/data/airchange/cropped_test_images/im1_2.bmp similarity index 100% rename from tutorials/train/change_detection/data/AirChange/cropped_test_images/im1_2.bmp rename to tutorials/train/change_detection/data/airchange/cropped_test_images/im1_2.bmp diff --git a/tutorials/train/change_detection/data/AirChange/cropped_test_images/im2_1.bmp b/tutorials/train/change_detection/data/airchange/cropped_test_images/im2_1.bmp similarity index 100% rename from tutorials/train/change_detection/data/AirChange/cropped_test_images/im2_1.bmp rename to tutorials/train/change_detection/data/airchange/cropped_test_images/im2_1.bmp diff --git a/tutorials/train/change_detection/data/AirChange/cropped_test_images/im2_2.bmp b/tutorials/train/change_detection/data/airchange/cropped_test_images/im2_2.bmp similarity index 100% rename from tutorials/train/change_detection/data/AirChange/cropped_test_images/im2_2.bmp rename to tutorials/train/change_detection/data/airchange/cropped_test_images/im2_2.bmp diff --git a/tutorials/train/change_detection/data/AirChange/eval.txt b/tutorials/train/change_detection/data/airchange/eval.txt similarity index 100% rename from tutorials/train/change_detection/data/AirChange/eval.txt rename to tutorials/train/change_detection/data/airchange/eval.txt diff --git a/tutorials/train/change_detection/data/AirChange/train.txt b/tutorials/train/change_detection/data/airchange/train.txt similarity index 100% rename from tutorials/train/change_detection/data/AirChange/train.txt rename to tutorials/train/change_detection/data/airchange/train.txt