OSError: exception: access violation reading 0x0000000000000001

File "D:\Users\Administrator\Miniconda3\envs\python36\lib\ctypes\__init__.py", line 492, in string_at
    return _string_at(ptr, size)

OSError: exception: access violation reading 0x0000000000000001

参考：https://www.polarxiong.com/archives/Python-x64%E4%B8%8Bctypes%E5%8A%A8%E6%80%81%E9%93%BE%E6%8E%A5%E5%BA%93%E5%87%BA%E7%8E%B0access-violation%E7%9A%84%E5%8E%9F%E5%9B%A0%E5%88%86%E6%9E%90.html

Python x64下ctypes动态链接库出现access violatio