update

@@ -281,7 +281,7 @@ class AdsController extends BaseController
             $item->tasks = $item->tasks; //调用访问器
             $is_v6 = 0;
             foreach ($item->tasks as $task){
-                if($task->is_v6){
+                if($task['is_v6']){
                     $is_v6 = 1;
                 }
             }