数据库连接报错：django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module.Did you install mysqlcliet
解决：pip install -i https://pypi.tuna.tsinghua.edu.cn/simple/ pymysql（cmd里）
继续报错误：
django.db.utils.OperationalError: (1045,"Access denied for user
'root'@ localhost"(using password:
YES)")
解决：在python的终端里运行python manager.py migrate