source/PaddleOCR/deploy/hubserving/structure_system/config.json

{
    "modules_info": {
        "structure_system": {
            "init_args": {
                "version": "1.0.0",
                "use_gpu": true
            },
            "predict_args": {
            }
        }
    },
    "port": 8870,
    "use_multiprocess": false,
    "workers": 2
}