centos6.6下安装python3.8.1后报错？?报错

我的系统版本是：[root@localhost ~]# rpm -q centos-release
centos-release-6-6.el6.centos.12.2.x86_64
按照标准步骤./configure　　 make　　 make install
安装完python3.8.1后，调用python命令，显示以下问题，请大神帮我看看怎么回事？
[root@localhost ~]# python
Could not find platform independent libraries <prefix>
Could not find platform dependent libraries <exec_prefix>
Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
Python path configuration:
PYTHONHOME = (not set)
PYTHONPATH = (not set)
program name = 'python'
isolated = 0
environment = 1
user site = 1
import site = 1
sys._base_executable = '/usr/bin/python'
sys.base_prefix = '/usr/local'
sys.base_exec_prefix = '/usr/local'
sys.executable = '/usr/bin/python'
sys.prefix = '/usr/local'
sys.exec_prefix = '/usr/local'
sys.path = [
'/usr/local/lib/python38.zip',
'/usr/local/lib/python3.8',
'/usr/local/lib/lib-dynload',
]
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 0x00007f86af83e700 (most recent call first):
<no Python frame>