- close quitChan when Cancel for tasksch.

business/jxutils/tasksch/sequence_task.go

@@ -57,6 +57,9 @@ func (task *SeqTask) Run() {
 		}
 	EndFor:
 		task.locker.Lock()
+		if task.Status != TaskStatusCanceling {
+			close(task.quitChan)
+		}
 		if taskErr != nil { // 如果有错误，肯定就是失败了
 			task.Status = TaskStatusFailed
 		} else {
@@ -75,7 +78,6 @@ func (task *SeqTask) Run() {
 		globals.SugarLogger.Debugf("SeqTask.Run %s, result:%v, err:%v", task.Name, taskResult, taskErr)
 
 		close(task.finishChan)
-		close(task.quitChan)
 	})
 }