diff --git a/configs/ppyolo/README.md b/configs/ppyolo/README.md
index 6067db40e9e172be89f35e317a285875f7944fbf..1130b5342344bc376ae93584bcfc822b7046bc01 100644
--- a/configs/ppyolo/README.md
+++ b/configs/ppyolo/README.md
@@ -175,7 +175,7 @@ For inference deployment or benchmard, model exported with `tools/export_model.p
 python tools/export_model.py -c configs/ppyolo/ppyolo_r50vd_dcn_1x_coco.yml -o weights=https://paddledet.bj.bcebos.com/models/ppyolo_r50vd_dcn_1x_coco.pdparams
 
 # inference with Paddle Inference library
-CUDA_VISIBLE_DEVICES=0 python deploy/python/infer.py --model_dir=output_inference/ppyolo_r50vd_dcn_1x_coco --image_file=../demo/000000014439_640x640.jpg --use_gpu=True
+CUDA_VISIBLE_DEVICES=0 python deploy/python/infer.py --model_dir=output_inference/ppyolo_r50vd_dcn_1x_coco --image_file=demo/000000014439_640x640.jpg --use_gpu=True
 ```
 
 
diff --git a/configs/ppyolo/README_cn.md b/configs/ppyolo/README_cn.md
index 1a9af6da5e3feefad0de469d822e97b5f450f9eb..1c648885dc4705dbb7cf8bd2d0aaf0e870afb0b0 100644
--- a/configs/ppyolo/README_cn.md
+++ b/configs/ppyolo/README_cn.md
@@ -159,7 +159,7 @@ PP-YOLO模型部署及推理benchmark需要通过`tools/export_model.py`导出
 python tools/export_model.py -c configs/ppyolo/ppyolo_r50vd_dcn_1x_coco.yml -o weights=https://paddledet.bj.bcebos.com/models/ppyolo_r50vd_dcn_1x_coco.pdparams
 
 # 预测库推理
-CUDA_VISIBLE_DEVICES=0 python deploy/python/infer.py --model_dir=output_inference/ppyolo_r50vd_dcn_1x_coco --image_file=../demo/000000014439_640x640.jpg --use_gpu=True
+CUDA_VISIBLE_DEVICES=0 python deploy/python/infer.py --model_dir=output_inference/ppyolo_r50vd_dcn_1x_coco --image_file=demo/000000014439_640x640.jpg --use_gpu=True
 ```