比较标注文件（gold file）和预测文件
- python>=3.6
- django==3.0.7
cd catag
python manage.py migrate
python manage.py createsuperuser
python manage.py runserver
{"text": "温格的球队终于又踢了一场经典的比赛，2比1战胜曼联之后枪手仍然留在了夺冠集团之内，", "label": [[0, 2, "name"], [23, 25, "organization"]]}
{"text": ...}
...