一、安装一些必要的库
pip3 install Flask-WTF
pip3 install flask
pip3 install flask-login
pip3 install flask-openid
pip3 install flask-mail
pip3 install flask-sqlalchemy
pip3 install sqlalchemy-migrate
pip3 install flask-whooshalchemy
pip3 install flask-wtf
pip3 install flask-babel
pip3 install guess_language
pip3 install flipflop
pip3 install coverage