{"name":"USB COM API Server","status":{"open":false,"path":"COM3","baudrate":9600,"bytesize":8,"stopbits":1,"parity":"N","error":"could not open port 'COM3': PermissionError(13, '拒绝访问。', None, 5)"},"endpoints":["GET  /ports","GET+POST /com/open","GET+POST /com/close","GET+POST /com/send","GET  /com/frames","GET  /com/events","WS   /ws"]}