diff --git a/test_tipc/configs/det_mv3_db_v2.0/train_benchmark.txt b/test_tipc/configs/det_mv3_db_v2.0/train_benchmark.txt
index a4347c900987f7cd4f68badec20ce95ba1a14783..672492c47f978c141873593b9a2b694e30814ff4 100644
--- a/test_tipc/configs/det_mv3_db_v2.0/train_benchmark.txt
+++ b/test_tipc/configs/det_mv3_db_v2.0/train_benchmark.txt
@@ -9,7 +9,7 @@ Global.save_model_dir:./output/
 Train.loader.batch_size_per_card:lite_train_lite_infer=16
 Global.pretrained_model:null
 train_model_name:latest
-train_infer_img_dir:./train_data/icdar2015/text_localization/ch4_test_images/
+train_infer_img_dir:null
 null:null
 ##
 trainer:norm_train