2025-03-10 12:35:19 [错误] 打开端口(COM1,9600)失败!
2025-03-10 12:35:39 [错误] 打开端口(COM1,9600)失败!
2025-03-10 16:44:58 [调试] 打开端口(COM1,9600)成功!
2025-03-10 17:04:12 [调试] 打开端口(COM1,9600)成功!
2025-03-10 17:07:04 [调试] 打开端口(COM1,9600)成功!