anaconda 安装qt总是失败

试了很多次，每次都是这个错误，请问究竟什么原因？该怎么解决呢？

Downloading and Extracting Packages
sip-4.19.13 | 265 KB | ############################################################################ | 100%
qt-5.9.7 | 72.5 MB | ############################################################################ | 100%
Preparing transaction: done
Verifying transaction: done
Executing transaction: done
ERROR conda.core.link:_execute(700): An error occurred while installing package ‘defaults::qt-5.9.7-vc14h73c81de_0’.
Rolling back transaction: done

LinkError: post-link script failed for package defaults::qt-5.9.7-vc14h73c81de_0
location of failed script: C:\Anaconda3\envs\tensorflow\Scripts.qt-post-link.bat
==> script messages <==

==> script output <==
stdout: �Ѹ��� 1 ���ļ���

stderr: ‘chcp’ �����ڲ����ⲿ���Ҳ���ǿ����еij���
���������ļ���
‘chcp’ �����ڲ����ⲿ���Ҳ���ǿ����еij���
���������ļ���
‘chcp’ �����ڲ����ⲿ���Ҳ���ǿ����еij���
���������ļ���

return code: 1

()