111

app/system/controller/GroupController.php

@@ -40,10 +40,11 @@ class GroupController extends BaseController
 
         $data = [];
         foreach ($list->items() as $item) {
+            $uname = $item->user ? $item->user->uname : '';
             $data[] = [
                 'id' => $item['id'],
                 'title' => $item['title'],
-                'uname' => $item->user->uname,
+                'uname' => $uname,
             ];
         }