make flash下载程序出错

[lujinming]

大家好，我最近遇到通过命令make flash下载时出现问题，如下是错误的提示的代码：
$ make flash
Flashing binaries to serial port /dev/ttyS2 (app at offset 0x10000 )...
esptool.py v2.6-beta1
Serial port /??/COM3
Traceback (most recent call last):
File "D:/msys32/home/jinming/esp/esp-adf/esp-adf/esp-idf/components/esptool_py/esptool/esptool.py", line 2865, in <module>
_main()
File "D:/msys32/home/jinming/esp/esp-adf/esp-adf/esp-idf/components/esptool_py/esptool/esptool.py", line 2858, in _main
main()
File "D:/msys32/home/jinming/esp/esp-adf/esp-adf/esp-idf/components/esptool_py/esptool/esptool.py", line 2565, in main
esp = chip_class(each_port, initial_baud, args.trace)
File "D:/msys32/home/jinming/esp/esp-adf/esp-adf/esp-idf/components/esptool_py/esptool/esptool.py", line 213, in __init__
self._port = serial.serial_for_url(port)
File "D:/msys32/mingw32/lib/python2.7/site-packages/serial/__init__.py", line 88, in serial_for_url
instance.open()
File "D:/msys32/mingw32/lib/python2.7/site-packages/serial/serialwin32.py", line 62, in open
raise SerialException("could not open port {!r}: {!r}".format(self.portstr, ctypes.WinError()))
serial.serialutil.SerialException: could not open port '/??/COM3': WindowsError(3, '\xcf\xb5\xcd\xb3\xd5\xd2\xb2\xbb\xb5\xbd\xd6\xb8\xb6\xa8\xb5\xc4\xc2\xb7\xbe\xb6\xa1\xa3')
make: *** [/home/jinming/esp/esp-adf/esp-adf/esp-idf/components/esptool_py/Makefile.projbuild:63：flash] 错误 1

jinming@DESKTOP-E9DUF8B MINGW32 ~/esp/play_mp3
这个是由于端口的错误吗？我在 /dev文件夹中 可以看到我将USB转UART USB线拔掉ttyS2消失，端口号没错才对，这个问题要怎么解决？

[lujinming]

已经解决了，将ttyS2改成COM3就行了，谢谢大家的关注。