diff --git a/business/jxutils/tasksch/parallel_task.go b/business/jxutils/tasksch/parallel_task.go
index 375688916..80b97da8e 100644
--- a/business/jxutils/tasksch/parallel_task.go
+++ b/business/jxutils/tasksch/parallel_task.go
@@ -194,6 +194,7 @@ func (task *ParallelTask) Run() {
 		}
 		task.Result = taskResult
 		task.TerminatedAt = time.Now()
+		task.jobList = nil // 如果不释放，任务被管理的话，会导致内存不能释放
 		task.locker.Unlock()
 		globals.SugarLogger.Debugf("ParallelTask.Run %s, err:%v", task.Name, task.Err)
 		close(task.subFinishChan)