diff --git a/business/jxutils/tasksch/parallel_task.go b/business/jxutils/tasksch/parallel_task.go
index 91eb6a197..3eecc6cae 100644
--- a/business/jxutils/tasksch/parallel_task.go
+++ b/business/jxutils/tasksch/parallel_task.go
@@ -112,23 +112,26 @@ func (task *ParallelTask) Run() {
 					select {
 					case <-task.quitChan: // 取消
 						goto end
-					case job := <-task.taskChan:
-						if job == nil { // 任务完成
-							chanRetVal = retVal
-							goto end
-						} else {
-							result, err := task.worker(task, job, task.params...)
-							// globals.SugarLogger.Debugf("ParallelTask.Run %s, after call worker result:%v, err:%v", task.Name, result, err)
-							task.finishedOneJob(len(job), err)
-							if err == nil {
-								if result != nil {
-									retVal = append(retVal, utils.Interface2Slice(result)...)
-								}
+					default:
+						select {
+						case job := <-task.taskChan:
+							if job == nil { // 任务完成
+								chanRetVal = retVal
+								goto end
 							} else {
-								globals.SugarLogger.Infof("ParallelTask.Run %s, subtask(job:%s, params:%s) result:%v, failed with error:%v", task.Name, utils.Format4Output(job, true), utils.Format4Output(task.params, true), result, err)
-								if !task.IsContinueWhenError { // 出错
-									chanRetVal = err
-									goto end
+								result, err := task.worker(task, job, task.params...)
+								// globals.SugarLogger.Debugf("ParallelTask.Run %s, after call worker result:%v, err:%v", task.Name, result, err)
+								task.finishedOneJob(len(job), err)
+								if err == nil {
+									if result != nil {
+										retVal = append(retVal, utils.Interface2Slice(result)...)
+									}
+								} else {
+									globals.SugarLogger.Infof("ParallelTask.Run %s, subtask(job:%s, params:%s) result:%v, failed with error:%v", task.Name, utils.Format4Output(job, true), utils.Format4Output(task.params, true), result, err)
+									if !task.IsContinueWhenError { // 出错
+										chanRetVal = err
+										goto end
+									}
 								}
 							}
 						}
@@ -167,6 +170,9 @@ func (task *ParallelTask) Run() {
 		}
 
 		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 {
@@ -186,7 +192,6 @@ func (task *ParallelTask) Run() {
 
 		close(task.finishChan)
 		close(task.subFinishChan)
-		close(task.quitChan)
 
 		if task.resultHandler != nil {
 			task.resultHandler(task.Name, taskResult, task.Err)
diff --git a/business/jxutils/tasksch/parallel_task_test.go b/business/jxutils/tasksch/parallel_task_test.go
index 61e0fd828..08ca36274 100644
--- a/business/jxutils/tasksch/parallel_task_test.go
+++ b/business/jxutils/tasksch/parallel_task_test.go
@@ -1,6 +1,7 @@
 package tasksch
 
 import (
+	"fmt"
 	"math/rand"
 	"testing"
 	"time"
@@ -45,7 +46,7 @@ func TestCancelParallelTask(t *testing.T) {
 	}
 	task := RunParallelTask("test", NewParallelConfig().SetParallelCount(100).SetBatchSize(7), "autotest", func(task *ParallelTask, batchItemList []interface{}, params ...interface{}) (retVal interface{}, err error) {
 		sleepSecond := rand.Intn(5)
-		t.Logf("sleep %d seconds", sleepSecond)
+		fmt.Printf("sleep %d seconds\n", sleepSecond)
 		time.Sleep(time.Duration(sleepSecond) * time.Second)
 		retSlice := make([]string, len(batchItemList))
 		for k := range retSlice {
@@ -54,7 +55,7 @@ func TestCancelParallelTask(t *testing.T) {
 		return retSlice, nil
 	}, itemList, "a", "b", 1, 2)
 	// time.Sleep(time.Second * 6)
-	t.Logf("finishedItemCount:%d, finishedJobCount:%d", task.GetFinishedItemCount(), task.GetFinishedJobCount())
+	fmt.Printf("finishedItemCount:%d, finishedJobCount:%d\n", task.GetFinishedItemCount(), task.GetFinishedJobCount())
 	task.Cancel()
 	_, err := task.GetResult(0)
 	if err != ErrTaskIsCanceled {
diff --git a/business/jxutils/tasksch/sequence_task.go b/business/jxutils/tasksch/sequence_task.go
index 65f42364e..15912d9ea 100644
--- a/business/jxutils/tasksch/sequence_task.go
+++ b/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)
 	})
 }
 
diff --git a/business/jxutils/tasksch/task.go b/business/jxutils/tasksch/task.go
index afedf23fc..3ad2317b2 100644
--- a/business/jxutils/tasksch/task.go
+++ b/business/jxutils/tasksch/task.go
@@ -101,8 +101,8 @@ func (t *BaseTask) Init(parallelCount, batchSize int, isContinueWhenError bool,
 	t.TerminatedAt = utils.DefaultTimeValue
 	t.TotalItemCount = totalItemCount
 	t.TotalJobCount = totalJobCount
-	t.quitChan = make(chan int, parallelCount)
-	t.finishChan = make(chan int, 2)
+	t.quitChan = make(chan int, 1)
+	t.finishChan = make(chan int, 1)
 	t.Status = TaskStatusWorking
 
 	t.C = t.finishChan
@@ -143,9 +143,7 @@ func (t *BaseTask) Cancel() {
 	t.locker.Lock()
 	if t.Status < TaskStatusEndBegin && t.Status != TaskStatusCanceling {
 		t.Status = TaskStatusCanceling
-		for i := 0; i < t.ParallelCount; i++ {
-			t.quitChan <- 0
-		}
+		close(t.quitChan)
 	}
 	t.locker.Unlock()