所以我对 Django 还很陌生，我似乎无法弄清楚这里发生了什么。我有一个正在运行并显示在网页中的表单，并且我能够创建一个数据库并在 SQL 中显示。但是，当我尝试获取表单以将信息保存到数据库中时，我开始测试的字段已经消失，并且没有任何内容写入数据库。
我也不断收到此错误：AttributeError: type object 'Team' has no attribute '_meta'
追溯：
Unhandled exception in thread started by <function wrapper at 0x108cbd050>
Traceback (most recent call last):
File "/Users/alicen/git/first_robotics/venv/lib/python2.7/site-packages/django/utils/autoreload.py", line 226, in wrapper
fn(*args, **kwargs)
File "/Users/alicen/git/first_robotics/venv/lib/python2.7/site-packages/django/core/management/commands/runserver.py", line 116, in inner_run
self.check(display_num_errors=True)
File "/Users/alicen/git/first_robotics/venv/lib/python2.7/site-packages/django/core/management/base.py", line 426, in check
include_deployment_checks=include_deployment_checks,
File "/Users/alicen/git/first_robotics/venv/lib/python2.7/site-packages/django/core/checks/registry.py", line 75, in run_checks
new_errors = check(app_configs=app_configs)
File "/Users/alicen/git/first_robotics/venv/lib/python2.7/site-packages/django/core/checks/urls.py", line 10, in check_url_config
return check_resolver(resolver)
File "/Users/alicen/git/first_robotics/venv/lib/python2.7/site-packages/django/core/checks/urls.py", line 19, in check_resolver
for pattern in resolver.url_patterns:
File …