===========================serving_params===========================
model_name:pp_humanseg_lite
python:python3.7
trans_model:-m paddle_serving_client.convert
--dirname:./test_tipc/inferences/pp_humanseg_lite/pp_humanseg_lite_export_398x224
--model_filename:model.pdmodel
--params_filename:model.pdiparams
--serving_server:./test_tipc/serving_python/serving_server/
--serving_client:./test_tipc/serving_python/serving_client/
serving_dir:./test_tipc/serving_python
web_service:./web_service.py --config=config.yml 
--opt op.seg.local_service_conf.devices:"0"|null
--output_name:argmax_0.tmp_0
pipline:./pipeline_http_client.py
--img_path:../data/cityscapes_small.png
--input_name:x