{"level":"error","msg":"无法打开串口 COM223: The system cannot find the file specified.","time":"2025-03-14 09:07:33.767"}
{"level":"error","msg":"无法打开串口 COM3: The system cannot find the file specified.","time":"2025-03-14 09:08:10.925"}
{"level":"error","msg":"无法打开串口 COM3: Access is denied.","time":"2025-03-14 16:43:24.565"}
{"level":"error","msg":"无法打开串口 COM3: Access is denied.","time":"2025-03-14 16:57:30.811"}