diff --git a/app/Http/Controllers/Api/SystemController.php b/app/Http/Controllers/Api/SystemController.php
index 7ddb5c273..54faa71a4 100755
--- a/app/Http/Controllers/Api/SystemController.php
+++ b/app/Http/Controllers/Api/SystemController.php
@@ -142,39 +142,39 @@ class SystemController extends AbstractController
         //
         if ($type == 'all' || $type == 'save') {
             User::auth('admin');
-            $setting['reg_invite'] = $setting['reg_invite'] ?: Base::generatePassword();
+            $setting['reg_invite'] = ($setting['reg_invite'] ?? '') ?: Base::generatePassword();
         } else {
             if (isset($setting['reg_invite'])) unset($setting['reg_invite']);
         }
         //
         $setting['system_alias'] = ($setting['system_alias'] ?? '') ?: config('app.name');
         $setting['login_logo'] = Base::fillUrl($setting['login_logo'] ?? '');
-        $setting['reg'] = $setting['reg'] ?: 'open';
-        $setting['reg_identity'] = $setting['reg_identity'] ?: 'normal';
-        $setting['temp_account_alias'] = $setting['temp_account_alias'] ?: '';
-        $setting['login_code'] = $setting['login_code'] ?: 'auto';
-        $setting['password_policy'] = $setting['password_policy'] ?: 'simple';
-        $setting['project_invite'] = $setting['project_invite'] ?: 'open';
-        $setting['chat_information'] = $setting['chat_information'] ?: 'optional';
-        $setting['anon_message'] = $setting['anon_message'] ?: 'open';
-        $setting['convert_video'] = $setting['convert_video'] ?: 'close';
-        $setting['compress_video'] = $setting['compress_video'] ?: 'close';
-        $setting['e2e_message'] = $setting['e2e_message'] ?: 'close';
-        $setting['msg_rev_limit'] = $setting['msg_rev_limit'] ?: '';
-        $setting['msg_edit_limit'] = $setting['msg_edit_limit'] ?: '';
-        $setting['auto_archived'] = $setting['auto_archived'] ?: 'close';
-        $setting['archived_day'] = floatval($setting['archived_day']) ?: 7;
-        $setting['task_visible'] = $setting['task_visible'] ?: 'close';
-        $setting['all_group_mute'] = $setting['all_group_mute'] ?: 'open';
-        $setting['todo_set_permission'] = $setting['todo_set_permission'] ?: 'open';
-        $setting['all_group_autoin'] = $setting['all_group_autoin'] ?: 'yes';
-        $setting['user_private_chat_mute'] = $setting['user_private_chat_mute'] ?: 'open';
-        $setting['user_group_chat_mute'] = $setting['user_group_chat_mute'] ?: 'open';
-        $setting['file_upload_limit'] = $setting['file_upload_limit'] ?: '';
-        $setting['unclaimed_task_reminder'] = $setting['unclaimed_task_reminder'] ?: 'close';
-        $setting['unclaimed_task_reminder_time'] = $setting['unclaimed_task_reminder_time'] ?: '';
-        $setting['task_ai_auto_analyze'] = $setting['task_ai_auto_analyze'] ?: 'open';
-        $setting['department_owner_project_view'] = $setting['department_owner_project_view'] ?: 'open';
+        $setting['reg'] = ($setting['reg'] ?? '') ?: 'open';
+        $setting['reg_identity'] = ($setting['reg_identity'] ?? '') ?: 'normal';
+        $setting['temp_account_alias'] = ($setting['temp_account_alias'] ?? '') ?: '';
+        $setting['login_code'] = ($setting['login_code'] ?? '') ?: 'auto';
+        $setting['password_policy'] = ($setting['password_policy'] ?? '') ?: 'simple';
+        $setting['project_invite'] = ($setting['project_invite'] ?? '') ?: 'open';
+        $setting['chat_information'] = ($setting['chat_information'] ?? '') ?: 'optional';
+        $setting['anon_message'] = ($setting['anon_message'] ?? '') ?: 'open';
+        $setting['convert_video'] = ($setting['convert_video'] ?? '') ?: 'close';
+        $setting['compress_video'] = ($setting['compress_video'] ?? '') ?: 'close';
+        $setting['e2e_message'] = ($setting['e2e_message'] ?? '') ?: 'close';
+        $setting['msg_rev_limit'] = ($setting['msg_rev_limit'] ?? '') ?: '';
+        $setting['msg_edit_limit'] = ($setting['msg_edit_limit'] ?? '') ?: '';
+        $setting['auto_archived'] = ($setting['auto_archived'] ?? '') ?: 'close';
+        $setting['archived_day'] = floatval($setting['archived_day'] ?? 0) ?: 7;
+        $setting['task_visible'] = ($setting['task_visible'] ?? '') ?: 'close';
+        $setting['all_group_mute'] = ($setting['all_group_mute'] ?? '') ?: 'open';
+        $setting['todo_set_permission'] = ($setting['todo_set_permission'] ?? '') ?: 'open';
+        $setting['all_group_autoin'] = ($setting['all_group_autoin'] ?? '') ?: 'yes';
+        $setting['user_private_chat_mute'] = ($setting['user_private_chat_mute'] ?? '') ?: 'open';
+        $setting['user_group_chat_mute'] = ($setting['user_group_chat_mute'] ?? '') ?: 'open';
+        $setting['file_upload_limit'] = ($setting['file_upload_limit'] ?? '') ?: '';
+        $setting['unclaimed_task_reminder'] = ($setting['unclaimed_task_reminder'] ?? '') ?: 'close';
+        $setting['unclaimed_task_reminder_time'] = ($setting['unclaimed_task_reminder_time'] ?? '') ?: '';
+        $setting['task_ai_auto_analyze'] = ($setting['task_ai_auto_analyze'] ?? '') ?: 'open';
+        $setting['department_owner_project_view'] = ($setting['department_owner_project_view'] ?? '') ?: 'open';
         $setting = ProjectTaskHandoffSettings::normalize($setting);
         $setting['app_ai_hidden'] = config('dootask.app_ai_hidden');
         $setting['server_timezone'] = config('app.timezone');