[{
    "step_title": "Install Settings",
    "items": [{
        "type": "textfield",
        "desc": "RustDesk中继服务器端口",
        "subitems": [{
            "key": "hbbr_port",
            "desc": "TCP",
            "defaultValue": "21117",
            "validator": {
                "allowBlank": false,
                "regex": {
                    "expr": "/^([0-9]{1,4}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])$/",
                    "errorText": "端口号必须为数字"
                }
            }
        }]
    }, {
        "type": "textfield",
        "desc": "RustDesk ID/注册服务器端口",
        "subitems": [{
            "key": "hbbs_port",
            "desc": "ID/注册服务端口TCP/UDP",
            "defaultValue": "21116",
            "validator": {
                "allowBlank": false,
                "regex": {
                    "expr": "/^([0-9]{1,4}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])$/",
                    "errorText": "端口号必须为数字"
                }
            }
        }]
    }
        }]