全局的announcement api

oj/urls.py

@@ -3,6 +3,7 @@ from django.conf.urls import include, url
 urlpatterns = [
     url(r"^api/", include("account.urls.oj")),
     url(r"^api/admin/", include("account.urls.admin")),
+    url(r"^api/", include("announcement.urls.oj")),
     url(r"^api/admin/", include("announcement.urls.admin")),
     url(r"^api/", include("conf.urls.oj")),
     url(r"^api/admin/", include("conf.urls.admin")),