[Update] 修改一些内容

apps/perms/apps.py

 from __future__ import unicode_literals
 
+from django.conf import settings
 from django.apps import AppConfig
 
 
@@ -8,4 +9,6 @@ class PermsConfig(AppConfig):
 
     def ready(self):
         from . import signals_handler
+        if not settings.XPACK_ENABLED:
+            settings.ASSETS_PERM_CACHE_ENABLE = False
         return super().ready()