diff --git a/configs/det/det_db_icdar15_reader.yml b/configs/det/det_db_icdar15_reader.yml
index 0f99257b53a366ccdb2521ca742198adfe3ff556..6258a304cc0394656d4e3b73e7d8cbf566527126 100755
--- a/configs/det/det_db_icdar15_reader.yml
+++ b/configs/det/det_db_icdar15_reader.yml
@@ -18,5 +18,4 @@ TestReader:
   infer_img:
   img_set_dir: ./train_data/icdar2015/text_localization/
   label_file_path: ./train_data/icdar2015/text_localization/test_icdar2015_label.txt
-  test_image_shape: [736, 1280]
   do_eval: True
diff --git a/configs/det/det_r18_vd_db_v1.1.yml b/configs/det/det_r18_vd_db_v1.1.yml
index aa6dc0ee01c7e218ac6b3815c7ebacf886507e14..f7cfe57f3883de58c26efb67d4837e37094c665a 100755
--- a/configs/det/det_r18_vd_db_v1.1.yml
+++ b/configs/det/det_r18_vd_db_v1.1.yml
@@ -51,7 +51,7 @@ Optimizer:
 PostProcess:
   function: ppocr.postprocess.db_postprocess,DBPostProcess
   thresh: 0.3
-  box_thresh: 0.6
+  box_thresh: 0.5
   max_candidates: 1000
-  unclip_ratio: 1.5
+  unclip_ratio: 1.6