python -m venv venv

    source venv/bin/activate   (linux环境)
    .venv\Scripts\activate   (windows环境)

    pip install -r requirements.txt（不好使）
    pip install flask_migrate flask_bootstrap flask_mail flask_moment flask_wtf flask_script flask_login flask_pagedown bleach markdown Flask-WhooshAlchemyplus jieba

    export MAIL_USERNAME xx@xx.com
    export MAIL_PASSWORD xxxx
    export MAIL_SERVER smtp.blogz.com
    export MAIL_PORT 25

    python manage.py db init
    python manage.py db migrate -m "initial migrate"

    python manage.py db upgrade

    ./manage.py shell
    >>>Role.insert_roles()

    Post.json_to_db()

    ./manage.py runserver -h 127.0.0.1 -p 5000       (linux环境)
    python manage.py runserver -h 127.0.0.1 -p 5000  (windows环境)