# 【 offline 】 download tar package
python3 setup.py build && python3 setup.py install
# 【 offline 】 download whl file
pip install xx.whl
# 【 On-line 】
pip install xxx
# If an error ：pip Unknown interpreter , Two solutions ：
1, modify pip The first line of the script #!xxxx/python3 Correct designation python route
2,python -m pip install xxx
