conda安装packages时报错File “C:\ProgramData\anaconda3\lib\site-packages\conda\core\subdir_data.py“

不知咋的，它又㕛叒报错了。。。
报错如下：

(base) PS C:\Users\Administrator> conda install shapely==1.7.1
Collecting package metadata (current_repodata.json): failed

# >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<<

    Traceback (most recent call last):
      File "C:\ProgramData\anaconda3\lib\site-packages\conda\core\subdir_data.py", line 704, in fetch_repodata_remote_request
        resp.raise_for_status()
      File "C:\ProgramData\anaconda3\lib\site-packages\requests\models.py", line 960, in raise_for_status
        raise HTTPError(http_error_msg, response=self)
    requests.exceptions.HTTPError: 404 Client Error: Not Found for url: https://mirrors.bfsu.edu.cn/anaconda/cloud/menpo/noarch/current_repodata.json

    During handling of the above exception, another exception occurred:

    Traceback (most recent call last):
      File "C:\ProgramData\anaconda3\lib\site-packages\requests\models.py", line 910, in json
        return complexjson.loads(self.text, **kwargs)
      File "C:\ProgramData\anaconda3\lib\site-packages\simplejson\__init__.py", line 525, in loads
        return _default_decoder.decode(s)
      File "C:\ProgramData\anaconda3\lib\site-packages\simplejson\decoder.py", line 370, in decode
        obj, end = self.raw_decode(s)
      File "C:\ProgramData\anaconda3\lib\site-packages\simplejson\decoder.py", line 400, in raw_decode
        return self.scan_once(s, idx=_w(s, idx).end())
    simplejson.errors.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

    During handling of the above exception, another exception occurred:

    Traceback (most recent call last):
      File "C:\ProgramData\anaconda3\lib\site-packages\conda\exceptions.py", line 1114, in __call__
        return func(*args, **kwargs)
      File "C:\ProgramData\anaconda3\lib\site-packages\conda\cli\main.py", line 86, in main_subshell
        exit_code = do_call(args, p)
      File "C:\ProgramData\anaconda3\lib\site-packages\conda\cli\conda_argparse.py", line 90, in do_call
        return getattr(module, func_name)(args, parser)
      File "C:\ProgramData\anaconda3\lib\site-packages\conda\cli\main_install.py", line 20, in execute
        install(args, parser, 'install')
      File "C:\ProgramData\anaconda3\lib\site-packages\conda\cli\install.py", line 259, in install
        unlink_link_transaction = solver.solve_for_transaction(
      File "C:\ProgramData\anaconda3\lib\site-packages\conda\core\solve.py", line 152, in solve_for_transaction
        unlink_precs, link_precs = self.solve_for_diff(update_modifier, deps_modifier,
      File "C:\ProgramData\anaconda3\lib\site-packages\conda\core\solve.py", line 195, in solve_for_diff
        final_precs = self.solve_final_state(update_mo