请问为什么TinyTex 无法安装啊，试了很多种方法，总是报这个错，请问哪位好心人可以指点一下啊........万分感谢。

package ‘tinytex’ successfully unpacked and MD5 sums checked

The downloaded binary packages are in
        C:\Users\Administrator\AppData\Local\Temp\Rtmp2fd0xg\downloaded_packages
> tinytex::install_tinytex()
试开URL’http://mirror.ctan.org/systems/texlive/tlnet/install-tl.zip'
Content length 342 bytes
downloaded 23.1 MB

试开URL’https://yihui.org/gh/tinytex/tools/pkgs-custom.txt'
Content length 81 bytes
试开URL’https://yihui.org/gh/tinytex/tools/pkgs-custom.txt'
试开URL’https://yihui.org/gh/tinytex/tools/pkgs-custom.txt'
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:--  0:00:16 --:--:--     0
curl: (35) schannel: next InitializeSecurityContext failed: Unknown error (0x80092013) - 由于吊销服务器已脱机，吊销功能无法检查吊销。
Error in download.file(url, output, ..., method = method) :
  'curl' call had nonzero exit status
此外: Warning messages:
1: In download.file(url, output, ..., method = method) :
  URL 'https://raw.githubusercontent.com/yihui/tinytex/master/tools/pkgs-custom.txt': status was 'Couldn't resolve host name'
2: In download.file(url, output, ..., method = method) :
  InternetOpenUrl失败:’无法解析服务器的名称或地址'
3: In download.file(url, output, ..., method = method) :
  InternetOpenUrl失败:’无法解析服务器的名称或地址'
Please quit and reopen your R session and IDE (if you are using one, such as RStudio or Emacs) and check if tinytex:::is_tinytex() is TRUE.