嘿嘿嘿不要小看大肚囊: PS C:\OpenCVPro> pip install C:\Users\Kevin\Desktop\numpy\numpy-1.19.5+vanilla-cp36-cp36m-win_amd64.whl Processing c:\users\kevin\desktop\numpy\numpy-1.19.5+vanilla-cp36-cp36m-win_amd64.whl ERROR: Exception: Traceback (most recent call last): File "C:\OpenCVPro\venv\lib\site-packages\pip\_internal\cli\base_command.py", line 164, in exc_logging_wrapper status = run_func(*args) File "C:\OpenCVPro\venv\lib\site-packages\pip\_internal\cli\req_command.py", line 205, in wrapper return func(self, options, args) File "C:\OpenCVPro\venv\lib\site-packages\pip\_internal\commands\install.py", line 339, in run reqs, check_supported_wheels=not options.target_dir File "C:\OpenCVPro\venv\lib\site-packages\pip\_internal\resolution\resolvelib\resolver.py", line 73, in resolve collected = self.factory.collect_root_requirements(root_reqs) File "C:\OpenCVPro\venv\lib\site-packages\pip\_internal\resolution\resolvelib\factory.py", line 470, in collect_root_requirements requested