diff --git a/account/urls/admin.py b/account/urls/admin.py
index c6193b2a..4af21f38 100644
--- a/account/urls/admin.py
+++ b/account/urls/admin.py
@@ -1,7 +1,7 @@
 from django.conf.urls import url
 
-from ..views.admin import UserAdminAPIView
+from ..views.admin import UserAdminAPI
 
 urlpatterns = [
-    url(r'^user/$', UserAdminAPIView.as_view(), name="user_admin_api"),
+    url(r'^user/$', UserAdminAPI.as_view(), name="user_admin_api"),
 ]
diff --git a/account/urls/oj.py b/account/urls/oj.py
index 4669cd4e..b9fd5f5a 100644
--- a/account/urls/oj.py
+++ b/account/urls/oj.py
@@ -1,9 +1,9 @@
 from django.conf.urls import url
 
-from ..views.oj import UserLoginAPIView, UserRegisterAPIView, UserChangePasswordAPIView
+from ..views.oj import UserLoginAPI, UserRegisterAPI, UserChangePasswordAPI
 
 urlpatterns = [
-    url(r'^login/$', UserLoginAPIView.as_view(), name="user_login_api"),
-    url(r'^register/$', UserRegisterAPIView.as_view(), name="user_register_api"),
-    url(r'^change_password/$', UserChangePasswordAPIView.as_view(), name="user_change_password_api")
+    url(r'^login/$', UserLoginAPI.as_view(), name="user_login_api"),
+    url(r'^register/$', UserRegisterAPI.as_view(), name="user_register_api"),
+    url(r'^change_password/$', UserChangePasswordAPI.as_view(), name="user_change_password_api")
 ]
diff --git a/account/views/admin.py b/account/views/admin.py
index c6661eaf..471e9732 100644
--- a/account/views/admin.py
+++ b/account/views/admin.py
@@ -12,7 +12,7 @@ from ..models import User
 from ..serializers import (UserSerializer, EditUserSerializer)
 
 
-class UserAdminAPIView(APIView):
+class UserAdminAPI(APIView):
     @validate_serializer(EditUserSerializer)
     @super_admin_required
     def put(self, request):
diff --git a/account/views/oj.py b/account/views/oj.py
index 8a0079f8..91dd749a 100644
--- a/account/views/oj.py
+++ b/account/views/oj.py
@@ -11,7 +11,7 @@ from ..serializers import (UserLoginSerializer, UserRegisterSerializer,
                            UserChangePasswordSerializer)
 
 
-class UserLoginAPIView(APIView):
+class UserLoginAPI(APIView):
     @validate_serializer(UserLoginSerializer)
     def post(self, request):
         """
@@ -43,7 +43,7 @@ class UserLoginAPIView(APIView):
         return self.success({})
 
 
-class UserRegisterAPIView(APIView):
+class UserRegisterAPI(APIView):
     @validate_serializer(UserRegisterSerializer)
     def post(self, request):
         """
@@ -72,7 +72,7 @@ class UserRegisterAPIView(APIView):
             return self.success(_("Succeeded"))
 
 
-class UserChangePasswordAPIView(APIView):
+class UserChangePasswordAPI(APIView):
     @validate_serializer(UserChangePasswordSerializer)
     @login_required
     def post(self, request):
diff --git a/announcement/urls/admin.py b/announcement/urls/admin.py
index 746ab3ae..6ba28a67 100644
--- a/announcement/urls/admin.py
+++ b/announcement/urls/admin.py
@@ -1,7 +1,7 @@
 from django.conf.urls import url
 
-from ..views import AnnouncementAdminAPIView
+from ..views import AnnouncementAdminAPI
 
 urlpatterns = [
-    url(r'^$', AnnouncementAdminAPIView.as_view(), name="announcement_admin_api"),
+    url(r'^$', AnnouncementAdminAPI.as_view(), name="announcement_admin_api"),
 ]
diff --git a/announcement/views.py b/announcement/views.py
index 406bdcd0..2cd1d0a2 100644
--- a/announcement/views.py
+++ b/announcement/views.py
@@ -8,7 +8,7 @@ from .serializers import (CreateAnnouncementSerializer, AnnouncementSerializer,
                           EditAnnouncementSerializer)
 
 
-class AnnouncementAdminAPIView(APIView):
+class AnnouncementAdminAPI(APIView):
     @super_admin_required
     def post(self, request):
         """