My traceback:
我的回溯。
File "D:\virtualEnv\lib\site-packages\django\core\handlers\exception.py" in inner
39. response = get_response(request)
File "D:\virtualEnv\lib\site-packages\django\core\handlers\base.py" in _legacy_get_response
249. response = self._get_response(request)
File "D:\virtualEnv\lib\site-packages\django\core\handlers\base.py" in _get_response
187. response = self.process_exception_by_middleware(e, request)
File "D:\virtualEnv\lib\site-packages\django\core\handlers\base.py" in _get_response
185. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "D:\virtualEnv\lib\site-packages\django\views\generic\base.py" in view
68. return self.dispatch(request, *args, **kwargs)
File "D:\virtualEnv\lib\site-packages\django\views\generic\base.py" in dispatch
88. return handler(request, *args, **kwargs)
File "D:\virtualEnv\lib\site-packages\django\views\generic\edit.py" in post
217. return super(BaseCreateView, self).post(request, *args, **kwargs)
File "D:\virtualEnv\lib\site-packages\django\views\generic\edit.py" in post
183. return self.form_valid(form)
File "D:\virtualEnv\lib\site-packages\django\views\generic\edit.py" in form_valid
163. return super(ModelFormMixin, self).form_valid(form)
File "D:\virtualEnv\lib\site-packages\django\views\generic\edit.py" in form_valid
79. return HttpResponseRedirect(self.get_success_url())
File "D:\virtualEnv\lib\site-packages\django\views\generic\edit.py" in get_success_url
151. url = self.object.get_absolute_url()
File "D:\virtualEnv\website\music\models.py" in get_absolute_url
13. return reverse('music:detail', kwargs={'pk': self.pk})
File "D:\virtualEnv\lib\site-packages\django\urls\base.py" in reverse
91. return force_text(iri_to_uri(resolver._reverse_with_prefix(view, prefix, *args, **kwargs)))
File "D:\virtualEnv\lib\site-packages\django\urls\resolvers.py" in _reverse_with_prefix
389. (lookup_view_s, args, kwargs, len(patterns), patterns)
Exception Type: NoReverseMatch at /music/album/add/
Exception Value: Reverse for 'detail' with arguments '()' and keyword arguments '{'pk': 2}' not found. 1 pattern(s) tried: ['music/(?P<album_id>[0-9]+)/$']
File "D:\virtualEnv\lib