新老取得项目，安装完依赖后执行python manage.py runserver 127.0.0.1:8000报错：

File "", line 241, in _call_with_frames_removed
File "D:\work\xp_leyou\django-vue-lyadmin mini\backend\mysystem\urls.py", line 22, in
system_url.register(r'permission', PermissionViewSet)
File "D:\work\xp_leyou\django-vue-lyadmin mini\backend\venv\Lib\site-packages\rest_framework\routers.py", line 59, in register
raise ImproperlyConfigured(msg)
django.core.exceptions.ImproperlyConfigured: Router with basename "role" is already registered. Please provide a unique basename for viewset "<class 'mysystem.views.role.PermissionViewSet'>"