把各个应用urls添加到主路由
打开**caseplatform\urls.py**
,修改代码
from django.contrib import admin
from django.urls import path, include
from rest_framework.documentation import include_docs_urls
urlpatterns = [
path('admin/', admin.site.urls),
path('api/', include_docs_urls(title='接口文档')),
path('', include('project.urls')),
path('', include('module.urls')),
path('', include('case.urls')),
path('', include('user.urls')),
]