自动检测串口，并直接选中串口。并且可以分情况保存串口接收内容。发送和接收都可以采用16进制或字符格式。并且支持有combobox下拉选择快捷发送栏(Automatically detect the serial port, and directly select the serial port. And you can save the contents of the serial port to receive the content. Both send and receive can be