2019-10-18 08:27:43 [错误] 打开端口(COM1,9600)失败!
2019-10-18 14:15:15 [错误] 打开端口(COM1,9600)失败!
2019-10-18 14:31:12 [错误] 打开端口(COM1,9600)失败!
2019-10-18 14:33:19 [错误] 打开端口(COM1,9600)失败!
2019-10-18 15:04:30 [错误] 打开端口(COM1,9600)失败!
2019-10-18 19:42:34 [错误] 打开端口(COM1,9600)失败!