nohup python3 -m paddle_serving_server.serve \
--model ../../models/picodet_PPLCNet_x2_5_mainbody_lite_v1.0_serving \
 --port 9293 >>log_mainbody_detection.txt 1&>2 &

nohup python3 -m paddle_serving_server.serve \
--model ../../models/general_PPLCNet_x2_5_lite_v1.0_serving \
--port 9294 >>log_feature_extraction.txt 1&>2 &