invalid python sd，Fatal Python error: init_fs_encoding: failed to get the Python cod如何解决

症状：

打开pycharm时提示：invalid python sdk；

cmd中出现：Fatal Python error: init_fs_encoding: failed to get the Python codec of the filesystem encoding；

完整信息如下：

Python path configuration:

PYTHONHOME = ‘C:\PythonHome’

PYTHONPATH = ‘C:\PythonPath’

program name = ‘D:\Python38\python.exe’

isolated = 0

environment = 1

user site = 1

import site = 1

sys._base_executable = ‘D:\Python38\python.exe’

sys.base_prefix = ‘C:\PythonHome’

sys.base_exec_prefix = ‘C:\PythonHome’

sys.executable = ‘D:\Python38\python.exe’

sys.prefix = ‘C:\PythonHome’

sys.exec_prefix = ‘C:\PythonHome’

sys.path = [

‘C:\PythonPath’,

‘D:\Python38\python38.zip’,

‘C:\PythonHome\DLLs’,

‘C:\PythonHome\lib’,

‘D:\Python38’,

]

Fatal Python error: init_fs_encoding: failed to get the Python codec of the filesystem encoding

Python runtime state: core initialized

ModuleNotFoundError: No module named ‘encodings’

Current thread 0x00008bd8 (most recent call first):

配置环境变量不论怎么配置都不成功；

解决方式：

尝试了直接打开安装包重新安装、在系统应用和功能中进行修改，都解决不了。

只能在设置-应用和功能中，找到python，先卸载，再重新安装。

虽然重新进入pycharm后，之前的库需要重新install。但问题解决了。