diff --git a/configs/det/det_mv3_db.yml b/configs/det/det_mv3_db.yml
index f02c61c9181f60c0c77c0b3aae944a04e3b97a83..caa7bd4fa09752cff8b4d596e80b5729cce175bf 100755
--- a/configs/det/det_mv3_db.yml
+++ b/configs/det/det_mv3_db.yml
@@ -6,8 +6,8 @@ Global:
   print_batch_step: 2
   save_model_dir: ./output/det_db/
   save_epoch_step: 200
-  # evaluation is run every 2000 iterations after the 5000th iteration
-  eval_batch_step: [5000, 5000]
+  # evaluation is run every 5000 iterations after the 4000th iteration
+  eval_batch_step: [4000, 5000]
   train_batch_size_per_card: 16
   test_batch_size_per_card: 16
   image_shape: [3, 640, 640]