Fix some bug

apps/users/utils.py

@@ -1,2 +1,12 @@
 # ~*~ coding: utf-8 ~*~
 #
+
+from django.contrib.auth.mixins import UserPassesTestMixin
+from django.urls import reverse_lazy
+
+
+class AdminUserRequiredMixin(UserPassesTestMixin):
+    login_url = reverse_lazy('users:login')
+
+    def test_func(self):
+        return self.request.user.is_staff