diff --git a/deploy/paddle2onnx/readme.md b/deploy/paddle2onnx/readme.md
index 5db45ad9ce8bcd19377229f5ab44cea74027d16a..d1307ea84e3d7a1465c7c464d3b41dfa7613a046 100644
--- a/deploy/paddle2onnx/readme.md
+++ b/deploy/paddle2onnx/readme.md
@@ -52,7 +52,7 @@ python3.7 python/predict_cls.py \
 -c configs/inference_cls.yaml \
 -o Global.use_onnx=True \
 -o Global.use_gpu=False \
--o Global.inference_model_dir=./models/ResNet50_vd_infer \
+-o Global.inference_model_dir=./models/ResNet50_vd_infer
 ```
 
 结果如下：