2022-08-24 08:57:06 [错误] 打开端口(COM4,9600)失败!
2022-08-24 09:15:27 [错误] 打开端口(COM4,9600)失败!
2022-08-24 09:33:17 [错误] 打开端口(COM4,9600)失败!
2022-08-24 09:34:29 [错误] 打开端口(COM4,9600)失败!
2022-08-24 09:34:34 [错误] 打开端口(COM4,9600)失败!
2022-08-24 10:11:43 [错误] 打开端口(COM4,9600)失败!
2022-08-24 10:20:19 [错误] 打开端口(COM4,9600)失败!
2022-08-24 11:00:42 [错误] 打开端口(COM4,9600)失败!
2022-08-24 11:10:58 [错误] 打开端口(COM4,9600)失败!
2022-08-24 11:19:49 [错误] 打开端口(COM4,9600)失败!
2022-08-24 11:26:28 [错误] 打开端口(COM4,9600)失败!
2022-08-24 11:30:41 [错误] 打开端口(COM4,9600)失败!