diff --git a/module/task/control.php b/module/task/control.php
index 2db77e96fd..77f87bb402 100755
--- a/module/task/control.php
+++ b/module/task/control.php
@@ -982,7 +982,7 @@ class task extends control
         /* 如果是父任务，先删除所有子任务 */
         if($task->isParent)
         {
-            $childIdList = $this->task->getAllChildId($taskID);
+            $childIdList = $this->task->getAllChildId($taskID, false);
             $childTasks  = $this->task->getByIdList($childIdList);
             foreach($childTasks as $childID => $childTask)
             {