2020-11-12 09:36:50 [错误] 打开端口(COM1,9600)失败!
2020-11-12 09:39:26 [错误] 打开端口(COM1,9600)失败!
2020-11-12 09:39:35 [错误] 打开端口(COM1,9600)失败!
2020-11-12 09:39:36 [错误] 打开端口(COM1,9600)失败!
2020-11-12 09:39:51 [错误] 打开端口(COM1,9600)失败!
2020-11-12 09:39:51 [错误] 打开端口(COM1,9600)失败!