diff --git a/app/admin/library/Auth.php b/app/admin/library/Auth.php
index df9b5cf..c24cf01 100644
--- a/app/admin/library/Auth.php
+++ b/app/admin/library/Auth.php
@@ -305,6 +305,12 @@ class Auth
                     'field' => $this->authFields
                 ], true);
             }
+
+            if (empty($list)) {
+                $list = Event::emit('cmscategoryPermissions', [
+                    'field' => $this->authFields
+                ], true);
+            }
         }
 
         return $tree ? ($list ? json_encode(list_to_tree($list)) : json_encode([])) : $list;