diff --git a/itsm/misc/views.py b/itsm/misc/views.py
index 128385cd7..204d45bb5 100644
--- a/itsm/misc/views.py
+++ b/itsm/misc/views.py
@@ -45,6 +45,7 @@
     validate_filepath_settings,
     validate_files_name,
 )
+from itsm.component.drf.permissions import IamAuthPermit
 from itsm.component.utils.response import Fail, Success
 from itsm.iadmin.models import SystemSettings
 from weixin.core.decorators import weixin_login_exempt
@@ -55,6 +56,8 @@
 
 def clean_cache(request):
     """清理缓存"""
+    perm = IamAuthPermit()
+    perm.iam_auth(request, ["global_settings_manage"])
 
     try:
         cursor = connection.cursor()
diff --git a/itsm/role/validators.py b/itsm/role/validators.py
index b935803f1..5bac700e8 100644
--- a/itsm/role/validators.py
+++ b/itsm/role/validators.py
@@ -45,7 +45,7 @@ def __call__(self, value):
         project_key = value.get("project_key", DEFAULT_PROJECT_PROJECT_KEY)
         members = list_by_separator(value.get("members", ""))
         
-        if self.role.id != value.get("id"):
+        if getattr(self.role, "id", None) != value.get("id"):
             raise serializers.ValidationError(_("角色 ID 异常"))
 
         if not RoleType.objects.filter(type=role_type).exists():