编译工具安装，求指导啊。

[meishiqi]

时间后没有正确答复或连接的主机没有反应，连接尝试失败。>
WARNING: Failed to download https
/github.com/Kitware/CMake/releases/download/v3.16.4/cmake-3.16.4-win64-x64.zip to C:\Users\Administrator\.espressif\dist\cmake-3.16.4-win64-x64.zip.tmp
ERROR: Failed to download, and retry count has expired
Traceback (most recent call last):
File "C:\Users\Administrator\Desktop\esp-idf-3\tools\idf_tools.py", line 1492, in <module>
main(sys.argv[1:])
File "C:\Users\Administrator\Desktop\esp-idf-3\tools\idf_tools.py", line 1488, in main
action_func(args)
File "C:\Users\Administrator\Desktop\esp-idf-3\tools\idf_tools.py", line 1181, in action_install
tool_obj.download(tool_version)
File "C:\Users\Administrator\Desktop\esp-idf-3\tools\idf_tools.py", line 598, in download
raise DownloadError()
__main__.DownloadError

2021-04-22 10:48:32.361 --------
2021-04-22 10:48:32.361 Message box (OK):
Installation has failed with exit code 1
2021-04-22 10:49:39.717 User chose OK.
2021-04-22 10:49:39.732 Message box (Yes/No):
Installation log has been created, it may contain more information about the problem.
Display the installation log now?
2021-04-22 10:49:41.165 User chose Yes.
2021-04-22 10:49:41.233 CurStepChanged raised an exception.
2021-04-22 10:49:41.335 Need to restart Windows? No

[ESP_Gargamel]

网络问题，国内访问 github 太慢了。可以用这里的安装工具，https://dl.espressif.com/dl/esp-idf/，在线的话可以选择 espressif mirror，或者直接使用离线的那个安装包。