python3 -m paddle_serving_app.package --get_model blazeface
tar -xf blazeface.tar.gz
python3 -m paddle_serving_server.serve --model serving_server --port 9494
python3 test_client.py serving_client/serving_client_conf.prototxt test.jpg
the result is in output folder, including a json file and image file with bounding boxes.