diff --git a/webapp/services/HashRateService.php b/webapp/services/HashRateService.php
index c3743b6f..5a12f947 100644
--- a/webapp/services/HashRateService.php
+++ b/webapp/services/HashRateService.php
@@ -387,7 +387,7 @@ class HashRateService extends BaseService
         foreach ($taskList as $k=>$task){
             if ($task['task_id'] == $taskMate['id']){
                 $taskList[$k] = array(
-                    'task_id' => $metas[$key]['id'],
+                    'task_id' => $randMetas[$key]['id'],
                     'current' => 0,
                     'createtime' => myself()->_getNowTime(),
                     'modifytime' => myself()->_getNowTime(),