2020-04-16 09:00:00 [调试] 打开端口(COM1,9600)成功!
2020-04-16 09:01:07 [调试] 打开端口(COM1,9600)成功!
2020-04-16 15:14:11 [错误] 打开端口(COM1,9600)失败!
2020-04-16 15:14:11 [错误] 打开端口(COM1,9600)失败!
2020-04-16 15:14:26 [错误] 打开端口(COM1,9600)失败!
2020-04-16 15:14:27 [错误] 打开端口(COM1,9600)失败!
2020-04-16 15:14:30 [错误] 打开端口(COM1,9600)失败!
2020-04-16 15:14:33 [错误] 打开端口(COM1,9600)失败!
2020-04-16 15:14:52 [错误] 打开端口(COM1,9600)失败!
2020-04-16 15:16:17 [错误] 打开端口(COM1,9600)失败!
2020-04-16 15:17:14 [错误] 打开端口(COM1,9600)失败!
2020-04-16 15:18:43 [调试] 打开端口(COM1,9600)成功!