2021-11-19 15:14:24 [错误] 打开端口(COM1,9600)失败!
2021-11-19 15:14:30 [错误] 打开端口(COM1,9600)失败!
2021-11-19 15:14:30 [错误] 打开端口(COM1,9600)失败!
2021-11-19 15:14:30 [错误] 打开端口(COM1,9600)失败!
2021-11-19 15:15:19 [错误] 打开端口(COM1,9600)失败!
2021-11-19 15:15:37 [错误] 打开端口(COM1,9600)失败!
2021-11-19 15:18:08 [错误] 打开端口(COM1,9600)失败!
2021-11-19 15:19:01 [错误] 打开端口(COM1,9600)失败!
2021-11-19 15:20:31 [错误] 打开端口(COM1,9600)失败!
2021-11-19 15:20:44 [错误] 打开端口(COM1,9600)失败!
2021-11-19 15:37:18 [错误] 打开端口(COM1,9600)失败!
2021-11-19 15:40:45 [错误] 打开端口(COM1,9600)失败!