diff --git a/test/ocr_det_params.txt b/test/ocr_det_params.txt
index f26bdc40c2854ed2b2c10980ffe54c2e5476d41d..01ac82d3d7d459ca324ec61cfcaac2386660a211 100644
--- a/test/ocr_det_params.txt
+++ b/test/ocr_det_params.txt
@@ -1,6 +1,6 @@
 model_name:ocr_det
 python:python3.7
-gpu_list:0
+gpu_list:0|0,1
 Global.auto_cast:False
 Global.epoch_num:10
 Global.save_model_dir:./output/