diff --git a/middleware/cluster_test.go b/middleware/cluster_test.go
index e1e61e3..0ccdcb6 100644
--- a/middleware/cluster_test.go
+++ b/middleware/cluster_test.go
@@ -6,12 +6,10 @@ import (
 	"github.com/cloudreve/Cloudreve/v3/pkg/aria2/common"
 	"github.com/cloudreve/Cloudreve/v3/pkg/auth"
 	"github.com/cloudreve/Cloudreve/v3/pkg/cluster"
-	"github.com/cloudreve/Cloudreve/v3/pkg/mq"
-	"github.com/cloudreve/Cloudreve/v3/pkg/serializer"
+	"github.com/cloudreve/Cloudreve/v3/pkg/mocks"
 	"github.com/gin-gonic/gin"
 	"github.com/jinzhu/gorm"
 	"github.com/stretchr/testify/assert"
-	testMock "github.com/stretchr/testify/mock"
 	"net/http/httptest"
 	"testing"
 )
@@ -79,46 +77,12 @@ func TestSlaveRPCSignRequired(t *testing.T) {
 	}
 }
 
-type SlaveControllerMock struct {
-	testMock.Mock
-}
-
-func (s SlaveControllerMock) HandleHeartBeat(pingReq *serializer.NodePingReq) (serializer.NodePingResp, error) {
-	args := s.Called(pingReq)
-	return args.Get(0).(serializer.NodePingResp), args.Error(1)
-}
-
-func (s SlaveControllerMock) GetAria2Instance(s2 string) (common.Aria2, error) {
-	args := s.Called(s2)
-	return args.Get(0).(common.Aria2), args.Error(1)
-}
-
-func (s SlaveControllerMock) SendNotification(s3 string, s2 string, message mq.Message) error {
-	args := s.Called(s3, s2, message)
-	return args.Error(0)
-}
-
-func (s SlaveControllerMock) SubmitTask(s3 string, i interface{}, s2 string, f func(interface{})) error {
-	args := s.Called(s3, i, s2, f)
-	return args.Error(0)
-}
-
-func (s SlaveControllerMock) GetMasterInfo(s2 string) (*cluster.MasterInfo, error) {
-	args := s.Called(s2)
-	return args.Get(0).(*cluster.MasterInfo), args.Error(1)
-}
-
-func (s SlaveControllerMock) GetOneDriveToken(s2 string, u uint) (string, error) {
-	args := s.Called(s2, u)
-	return args.String(0), args.Error(1)
-}
-
 func TestUseSlaveAria2Instance(t *testing.T) {
 	a := assert.New(t)
 
 	// MasterSiteID not set
 	{
-		testController := &SlaveControllerMock{}
+		testController := &mocks.SlaveControllerMock{}
 		useSlaveAria2InstanceFunc := UseSlaveAria2Instance(testController)
 		c, _ := gin.CreateTestContext(httptest.NewRecorder())
 		c.Request = httptest.NewRequest("GET", "/", nil)
@@ -128,7 +92,7 @@ func TestUseSlaveAria2Instance(t *testing.T) {
 
 	// Cannot get aria2 instances
 	{
-		testController := &SlaveControllerMock{}
+		testController := &mocks.SlaveControllerMock{}
 		useSlaveAria2InstanceFunc := UseSlaveAria2Instance(testController)
 		c, _ := gin.CreateTestContext(httptest.NewRecorder())
 		c.Request = httptest.NewRequest("GET", "/", nil)
@@ -141,7 +105,7 @@ func TestUseSlaveAria2Instance(t *testing.T) {
 
 	// Success
 	{
-		testController := &SlaveControllerMock{}
+		testController := &mocks.SlaveControllerMock{}
 		useSlaveAria2InstanceFunc := UseSlaveAria2Instance(testController)
 		c, _ := gin.CreateTestContext(httptest.NewRecorder())
 		c.Request = httptest.NewRequest("GET", "/", nil)
diff --git a/pkg/aria2/aria2.go b/pkg/aria2/aria2.go
index d7f9abe..ef2f0df 100644
--- a/pkg/aria2/aria2.go
+++ b/pkg/aria2/aria2.go
@@ -3,6 +3,8 @@ package aria2
 import (
 	"context"
 	"fmt"
+	"github.com/cloudreve/Cloudreve/v3/pkg/cluster"
+	"github.com/cloudreve/Cloudreve/v3/pkg/mq"
 	"net/url"
 	"sync"
 	"time"
@@ -42,7 +44,7 @@ func Init(isReload bool) {
 
 		for i := 0; i < len(unfinished); i++ {
 			// 创建任务监控
-			monitor.NewMonitor(&unfinished[i])
+			monitor.NewMonitor(&unfinished[i], cluster.Default, mq.GlobalMQ)
 		}
 	}
 }
diff --git a/pkg/aria2/common/common_test.go b/pkg/aria2/common/common_test.go
new file mode 100644
index 0000000..52c555f
--- /dev/null
+++ b/pkg/aria2/common/common_test.go
@@ -0,0 +1,45 @@
+package common
+
+import (
+	model "github.com/cloudreve/Cloudreve/v3/models"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestDummyAria2(t *testing.T) {
+	a := assert.New(t)
+	d := &DummyAria2{}
+
+	a.NoError(d.Init())
+
+	res, err := d.CreateTask(&model.Download{}, map[string]interface{}{})
+	a.Empty(res)
+	a.Error(err)
+
+	_, err = d.Status(&model.Download{})
+	a.Error(err)
+
+	err = d.Cancel(&model.Download{})
+	a.Error(err)
+
+	err = d.Select(&model.Download{}, []int{})
+	a.Error(err)
+
+	configRes := d.GetConfig()
+	a.NotEmpty(configRes)
+
+	err = d.DeleteTempFile(&model.Download{})
+	a.Error(err)
+}
+
+func TestGetStatus(t *testing.T) {
+	a := assert.New(t)
+
+	a.Equal(GetStatus("complete"), Complete)
+	a.Equal(GetStatus("active"), Downloading)
+	a.Equal(GetStatus("waiting"), Ready)
+	a.Equal(GetStatus("paused"), Paused)
+	a.Equal(GetStatus("error"), Error)
+	a.Equal(GetStatus("removed"), Canceled)
+	a.Equal(GetStatus("unknown"), Unknown)
+}
diff --git a/pkg/aria2/monitor/monitor.go b/pkg/aria2/monitor/monitor.go
index 7a04411..aec1f25 100644
--- a/pkg/aria2/monitor/monitor.go
+++ b/pkg/aria2/monitor/monitor.go
@@ -33,29 +33,29 @@ type Monitor struct {
 var MAX_RETRY = 10
 
 // NewMonitor 新建离线下载状态监控
-func NewMonitor(task *model.Download) {
+func NewMonitor(task *model.Download, pool cluster.Pool, mqClient mq.MQ) {
 	monitor := &Monitor{
 		Task:     task,
 		notifier: make(chan mq.Message),
-		node:     cluster.Default.GetNodeByID(task.GetNodeID()),
+		node:     pool.GetNodeByID(task.GetNodeID()),
 	}
 
 	if monitor.node != nil {
 		monitor.Interval = time.Duration(monitor.node.GetAria2Instance().GetConfig().Interval) * time.Second
-		go monitor.Loop()
+		go monitor.Loop(mqClient)
 
-		monitor.notifier = mq.GlobalMQ.Subscribe(monitor.Task.GID, 0)
+		monitor.notifier = mqClient.Subscribe(monitor.Task.GID, 0)
 	} else {
 		monitor.setErrorStatus(errors.New("节点不可用"))
 	}
 }
 
 // Loop 开启监控循环
-func (monitor *Monitor) Loop() {
-	defer mq.GlobalMQ.Unsubscribe(monitor.Task.GID, monitor.notifier)
+func (monitor *Monitor) Loop(mqClient mq.MQ) {
+	defer mqClient.Unsubscribe(monitor.Task.GID, monitor.notifier)
 
 	// 首次循环立即更新
-	interval := time.Duration(0)
+	interval := 50 * time.Millisecond
 
 	for {
 		select {
@@ -259,6 +259,7 @@ func (monitor *Monitor) Complete(status rpc.StatusInfo) bool {
 	)
 	if err != nil {
 		monitor.setErrorStatus(err)
+		monitor.RemoveTempFolder()
 		return true
 	}
 
diff --git a/pkg/aria2/monitor/monitor_test.go b/pkg/aria2/monitor/monitor_test.go
index 9d45026..d0760ca 100644
--- a/pkg/aria2/monitor/monitor_test.go
+++ b/pkg/aria2/monitor/monitor_test.go
@@ -1,326 +1,252 @@
 package monitor
 
 import (
+	"database/sql"
 	"errors"
-	"testing"
-	"time"
-
 	"github.com/DATA-DOG/go-sqlmock"
 	model "github.com/cloudreve/Cloudreve/v3/models"
-	"github.com/cloudreve/Cloudreve/v3/pkg/aria2"
 	"github.com/cloudreve/Cloudreve/v3/pkg/aria2/common"
 	"github.com/cloudreve/Cloudreve/v3/pkg/aria2/rpc"
-	"github.com/cloudreve/Cloudreve/v3/pkg/cache"
-	"github.com/cloudreve/Cloudreve/v3/pkg/filesystem"
-	"github.com/cloudreve/Cloudreve/v3/pkg/task"
-	"github.com/cloudreve/Cloudreve/v3/pkg/util"
+	"github.com/cloudreve/Cloudreve/v3/pkg/mocks"
+	"github.com/cloudreve/Cloudreve/v3/pkg/mq"
 	"github.com/jinzhu/gorm"
 	"github.com/stretchr/testify/assert"
 	testMock "github.com/stretchr/testify/mock"
+	"testing"
 )
 
-type InstanceMock struct {
-	testMock.Mock
-}
-
-func (m InstanceMock) CreateTask(task *model.Download, options map[string]interface{}) error {
-	args := m.Called(task, options)
-	return args.Error(0)
-}
-
-func (m InstanceMock) Status(task *model.Download) (rpc.StatusInfo, error) {
-	args := m.Called(task)
-	return args.Get(0).(rpc.StatusInfo), args.Error(1)
-}
-
-func (m InstanceMock) Cancel(task *model.Download) error {
-	args := m.Called(task)
-	return args.Error(0)
-}
-
-func (m InstanceMock) Select(task *model.Download, files []int) error {
-	args := m.Called(task, files)
-	return args.Error(0)
-}
-
-func TestNewMonitor(t *testing.T) {
-	asserts := assert.New(t)
-	NewMonitor(&model.Download{GID: "gid"})
-	_, ok := common.EventNotifier.Subscribes.Load("gid")
-	asserts.True(ok)
-}
+var mock sqlmock.Sqlmock
 
-func TestMonitor_Loop(t *testing.T) {
-	asserts := assert.New(t)
-	notifier := make(chan common.StatusEvent)
-	MAX_RETRY = 0
-	monitor := &Monitor{
-		Task:     &model.Download{GID: "gid"},
-		Interval: time.Duration(1) * time.Second,
-		notifier: notifier,
+// TestMain 初始化数据库Mock
+func TestMain(m *testing.M) {
+	var db *sql.DB
+	var err error
+	db, mock, err = sqlmock.New()
+	if err != nil {
+		panic("An error was not expected when opening a stub database connection")
 	}
-	asserts.NotPanics(func() {
-		monitor.Loop()
-	})
+	model.DB, _ = gorm.Open("mysql", db)
+	defer db.Close()
+	m.Run()
 }
 
-func TestMonitor_Update(t *testing.T) {
-	asserts := assert.New(t)
-	monitor := &Monitor{
-		Task: &model.Download{
-			GID:    "gid",
-			Parent: "TestMonitor_Update",
-		},
-		Interval: time.Duration(1) * time.Second,
-	}
-
-	// 无法获取状态
-	{
-		MAX_RETRY = 1
-		testInstance := new(InstanceMock)
-		testInstance.On("SlaveStatus", testMock.Anything).Return(rpc.StatusInfo{}, errors.New("error"))
-		file, _ := util.CreatNestedFile("TestMonitor_Update/1")
-		file.Close()
-		aria2.Instance = testInstance
-		asserts.False(monitor.Update())
-		asserts.True(monitor.Update())
-		testInstance.AssertExpectations(t)
-		asserts.False(util.Exists("TestMonitor_Update"))
-	}
-
-	// 磁力链下载重定向
-	{
-		testInstance := new(InstanceMock)
-		testInstance.On("SlaveStatus", testMock.Anything).Return(rpc.StatusInfo{
-			FollowedBy: []string{"1"},
-		}, nil)
-		monitor.Task.ID = 1
-		aria2.mock.ExpectBegin()
-		aria2.mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
-		aria2.mock.ExpectCommit()
-		aria2.Instance = testInstance
-		asserts.False(monitor.Update())
-		asserts.NoError(aria2.mock.ExpectationsWereMet())
-		testInstance.AssertExpectations(t)
-		asserts.EqualValues("1", monitor.Task.GID)
-	}
+func TestNewMonitor(t *testing.T) {
+	a := assert.New(t)
+	mockMQ := mq.NewMQ()
 
-	// 无法更新任务信息
+	// node not available
 	{
-		testInstance := new(InstanceMock)
-		testInstance.On("SlaveStatus", testMock.Anything).Return(rpc.StatusInfo{}, nil)
-		monitor.Task.ID = 1
-		aria2.mock.ExpectBegin()
-		aria2.mock.ExpectExec("UPDATE(.+)").WillReturnError(errors.New("error"))
-		aria2.mock.ExpectRollback()
-		aria2.Instance = testInstance
-		asserts.True(monitor.Update())
-		asserts.NoError(aria2.mock.ExpectationsWereMet())
-		testInstance.AssertExpectations(t)
+		mockPool := &mocks.NodePoolMock{}
+		mockPool.On("GetNodeByID", uint(1)).Return(nil)
+		mock.ExpectBegin()
+		mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
+		mock.ExpectCommit()
+
+		task := &model.Download{
+			Model: gorm.Model{ID: 1},
+		}
+		NewMonitor(task, mockPool, mockMQ)
+		mockPool.AssertExpectations(t)
+		a.NoError(mock.ExpectationsWereMet())
+		a.NotEmpty(task.Error)
 	}
 
-	// 返回未知状态
+	// success
 	{
-		testInstance := new(InstanceMock)
-		testInstance.On("SlaveStatus", testMock.Anything).Return(rpc.StatusInfo{Status: "?"}, nil)
-		aria2.mock.ExpectBegin()
-		aria2.mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
-		aria2.mock.ExpectCommit()
-		aria2.Instance = testInstance
-		asserts.True(monitor.Update())
-		asserts.NoError(aria2.mock.ExpectationsWereMet())
-		testInstance.AssertExpectations(t)
-	}
+		mockNode := &mocks.NodeMock{}
+		mockNode.On("GetAria2Instance").Return(&common.DummyAria2{})
+		mockPool := &mocks.NodePoolMock{}
+		mockPool.On("GetNodeByID", uint(1)).Return(mockNode)
 
-	// 返回被取消状态
-	{
-		testInstance := new(InstanceMock)
-		testInstance.On("SlaveStatus", testMock.Anything).Return(rpc.StatusInfo{Status: "removed"}, nil)
-		aria2.mock.ExpectBegin()
-		aria2.mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
-		aria2.mock.ExpectCommit()
-		aria2.mock.ExpectBegin()
-		aria2.mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
-		aria2.mock.ExpectCommit()
-		aria2.Instance = testInstance
-		asserts.True(monitor.Update())
-		asserts.NoError(aria2.mock.ExpectationsWereMet())
-		testInstance.AssertExpectations(t)
+		task := &model.Download{
+			Model: gorm.Model{ID: 1},
+		}
+		NewMonitor(task, mockPool, mockMQ)
+		mockNode.AssertExpectations(t)
+		mockPool.AssertExpectations(t)
 	}
 
-	// 返回活跃状态
-	{
-		testInstance := new(InstanceMock)
-		testInstance.On("SlaveStatus", testMock.Anything).Return(rpc.StatusInfo{Status: "active"}, nil)
-		aria2.mock.ExpectBegin()
-		aria2.mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
-		aria2.mock.ExpectCommit()
-		aria2.Instance = testInstance
-		asserts.False(monitor.Update())
-		asserts.NoError(aria2.mock.ExpectationsWereMet())
-		testInstance.AssertExpectations(t)
-	}
+}
 
-	// 返回错误状态
+func TestMonitor_Loop(t *testing.T) {
+	a := assert.New(t)
+	mockMQ := mq.NewMQ()
+	mockNode := &mocks.NodeMock{}
+	mockNode.On("GetAria2Instance").Return(&common.DummyAria2{})
+	m := &Monitor{
+		retried:  MAX_RETRY,
+		node:     mockNode,
+		Task:     &model.Download{Model: gorm.Model{ID: 1}},
+		notifier: mockMQ.Subscribe("test", 1),
+	}
+
+	// into interval loop
 	{
-		testInstance := new(InstanceMock)
-		testInstance.On("SlaveStatus", testMock.Anything).Return(rpc.StatusInfo{Status: "error"}, nil)
-		aria2.mock.ExpectBegin()
-		aria2.mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
-		aria2.mock.ExpectCommit()
-		aria2.Instance = testInstance
-		asserts.True(monitor.Update())
-		asserts.NoError(aria2.mock.ExpectationsWereMet())
-		testInstance.AssertExpectations(t)
+		mock.ExpectBegin()
+		mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
+		mock.ExpectCommit()
+		m.Loop(mockMQ)
+		a.NoError(mock.ExpectationsWereMet())
+		a.NotEmpty(m.Task.Error)
 	}
 
-	// 返回完成
+	// into notifier loop
 	{
-		testInstance := new(InstanceMock)
-		testInstance.On("SlaveStatus", testMock.Anything).Return(rpc.StatusInfo{Status: "complete"}, nil)
-		aria2.mock.ExpectBegin()
-		aria2.mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
-		aria2.mock.ExpectCommit()
-		aria2.Instance = testInstance
-		asserts.True(monitor.Update())
-		asserts.NoError(aria2.mock.ExpectationsWereMet())
-		testInstance.AssertExpectations(t)
+		m.Task.Error = ""
+		mockMQ.Publish("test", mq.Message{})
+		mock.ExpectBegin()
+		mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
+		mock.ExpectCommit()
+		m.Loop(mockMQ)
+		a.NoError(mock.ExpectationsWereMet())
+		a.NotEmpty(m.Task.Error)
 	}
 }
 
-func TestMonitor_UpdateTaskInfo(t *testing.T) {
-	asserts := assert.New(t)
-	monitor := &Monitor{
-		Task: &model.Download{
-			Model:  gorm.Model{ID: 1},
-			GID:    "gid",
-			Parent: "TestMonitor_UpdateTaskInfo",
-		},
-	}
-
-	// 失败
-	{
-		aria2.mock.ExpectBegin()
-		aria2.mock.ExpectExec("UPDATE(.+)").WillReturnError(errors.New("error"))
-		aria2.mock.ExpectRollback()
-		err := monitor.UpdateTaskInfo(rpc.StatusInfo{})
-		asserts.NoError(aria2.mock.ExpectationsWereMet())
-		asserts.Error(err)
+func TestMonitor_UpdateFailedAfterRetry(t *testing.T) {
+	a := assert.New(t)
+	mockNode := &mocks.NodeMock{}
+	mockNode.On("GetAria2Instance").Return(&common.DummyAria2{})
+	m := &Monitor{
+		node: mockNode,
+		Task: &model.Download{Model: gorm.Model{ID: 1}},
 	}
+	mock.ExpectBegin()
+	mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
+	mock.ExpectCommit()
 
-	// 更新成功，无需校验
-	{
-		aria2.mock.ExpectBegin()
-		aria2.mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
-		aria2.mock.ExpectCommit()
-		err := monitor.UpdateTaskInfo(rpc.StatusInfo{})
-		asserts.NoError(aria2.mock.ExpectationsWereMet())
-		asserts.NoError(err)
+	for i := 0; i < MAX_RETRY; i++ {
+		a.False(m.Update())
 	}
 
-	// 更新成功，大小改变，需要校验，校验失败
-	{
-		testInstance := new(InstanceMock)
-		testInstance.On("SlaveCancel", testMock.Anything).Return(nil)
-		aria2.Instance = testInstance
-		aria2.mock.ExpectBegin()
-		aria2.mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
-		aria2.mock.ExpectCommit()
-		err := monitor.UpdateTaskInfo(rpc.StatusInfo{TotalLength: "1"})
-		asserts.NoError(aria2.mock.ExpectationsWereMet())
-		asserts.Error(err)
-		testInstance.AssertExpectations(t)
-	}
+	mockNode.AssertExpectations(t)
+	a.True(m.Update())
+	a.NoError(mock.ExpectationsWereMet())
+	a.NotEmpty(m.Task.Error)
 }
 
-func TestMonitor_ValidateFile(t *testing.T) {
-	asserts := assert.New(t)
-	monitor := &Monitor{
-		Task: &model.Download{
-			Model:  gorm.Model{ID: 1},
-			GID:    "gid",
-			Parent: "TestMonitor_ValidateFile",
-		},
-	}
-
-	// 无法创建文件系统
-	{
-		monitor.Task.User = &model.User{
-			Policy: model.Policy{
-				Type: "unknown",
-			},
-		}
-		asserts.Error(monitor.ValidateFile())
-	}
-
-	// 文件大小超出容量配额
-	{
-		cache.Set("pack_size_0", uint64(0), 0)
-		monitor.Task.TotalSize = 11
-		monitor.Task.User = &model.User{
-			Policy: model.Policy{
-				Type: "mock",
-			},
-			Group: model.Group{
-				MaxStorage: 10,
-			},
-		}
-		asserts.Equal(filesystem.ErrInsufficientCapacity, monitor.ValidateFile())
-	}
+func TestMonitor_UpdateMagentoFollow(t *testing.T) {
+	a := assert.New(t)
+	mockAria2 := &mocks.Aria2Mock{}
+	mockAria2.On("Status", testMock.Anything).Return(rpc.StatusInfo{
+		FollowedBy: []string{"next"},
+	}, nil)
+	mockNode := &mocks.NodeMock{}
+	mockNode.On("GetAria2Instance").Return(mockAria2)
+	m := &Monitor{
+		node: mockNode,
+		Task: &model.Download{Model: gorm.Model{ID: 1}},
+	}
+	mock.ExpectBegin()
+	mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
+	mock.ExpectCommit()
+
+	a.False(m.Update())
+	a.NoError(mock.ExpectationsWereMet())
+	a.Equal("next", m.Task.GID)
+	mockAria2.AssertExpectations(t)
+}
 
-	// 单文件大小超出容量配额
-	{
-		cache.Set("pack_size_0", uint64(0), 0)
-		monitor.Task.TotalSize = 10
-		monitor.Task.StatusInfo.Files = []rpc.FileInfo{
-			{
-				Selected: "true",
-				Length:   "6",
-			},
-		}
-		monitor.Task.User = &model.User{
-			Policy: model.Policy{
-				Type:    "mock",
-				MaxSize: 5,
-			},
-			Group: model.Group{
-				MaxStorage: 10,
-			},
-		}
-		asserts.Equal(filesystem.ErrFileSizeTooBig, monitor.ValidateFile())
-	}
+func TestMonitor_UpdateFailedToUpdateInfo(t *testing.T) {
+	a := assert.New(t)
+	mockAria2 := &mocks.Aria2Mock{}
+	mockAria2.On("Status", testMock.Anything).Return(rpc.StatusInfo{}, nil)
+	mockAria2.On("DeleteTempFile", testMock.Anything).Return(nil)
+	mockNode := &mocks.NodeMock{}
+	mockNode.On("GetAria2Instance").Return(mockAria2)
+	m := &Monitor{
+		node: mockNode,
+		Task: &model.Download{Model: gorm.Model{ID: 1}},
+	}
+	mock.ExpectBegin()
+	mock.ExpectExec("UPDATE(.+)").WillReturnError(errors.New("error"))
+	mock.ExpectRollback()
+	mock.ExpectBegin()
+	mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
+	mock.ExpectCommit()
+
+	a.True(m.Update())
+	a.NoError(mock.ExpectationsWereMet())
+	mockAria2.AssertExpectations(t)
+	mockNode.AssertExpectations(t)
+	a.NotEmpty(m.Task.Error)
 }
 
-func TestMonitor_Complete(t *testing.T) {
-	asserts := assert.New(t)
-	monitor := &Monitor{
-		Task: &model.Download{
-			Model:  gorm.Model{ID: 1},
-			GID:    "gid",
-			Parent: "TestMonitor_Complete",
-			StatusInfo: rpc.StatusInfo{
-				Files: []rpc.FileInfo{
-					{
-						Selected: "true",
-						Path:     "TestMonitor_Complete",
-					},
-				},
-			},
-		},
-	}
+func TestMonitor_UpdateCompleted(t *testing.T) {
+	a := assert.New(t)
+	mockAria2 := &mocks.Aria2Mock{}
+	mockAria2.On("Status", testMock.Anything).Return(rpc.StatusInfo{
+		Status: "complete",
+	}, nil)
+	mockAria2.On("DeleteTempFile", testMock.Anything).Return(nil)
+	mockNode := &mocks.NodeMock{}
+	mockNode.On("GetAria2Instance").Return(mockAria2)
+	mockNode.On("ID").Return(uint(1))
+	m := &Monitor{
+		node: mockNode,
+		Task: &model.Download{Model: gorm.Model{ID: 1}},
+	}
+	mock.ExpectBegin()
+	mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
+	mock.ExpectCommit()
+	mock.ExpectQuery("SELECT(.+)users(.+)").WillReturnError(errors.New("error"))
+	mock.ExpectBegin()
+	mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
+	mock.ExpectCommit()
+
+	a.True(m.Update())
+	a.NoError(mock.ExpectationsWereMet())
+	mockAria2.AssertExpectations(t)
+	mockNode.AssertExpectations(t)
+	a.NotEmpty(m.Task.Error)
+}
 
-	cache.Set("setting_max_worker_num", "1", 0)
-	aria2.mock.ExpectQuery("SELECT(.+)tasks").WillReturnRows(sqlmock.NewRows([]string{"id"}))
-	task.Init()
-	aria2.mock.ExpectQuery("SELECT(.+)users").WillReturnRows(sqlmock.NewRows([]string{"id"}).AddRow(1))
-	aria2.mock.ExpectQuery("SELECT(.+)policies").WillReturnRows(sqlmock.NewRows([]string{"id"}).AddRow(1))
-	aria2.mock.ExpectBegin()
-	aria2.mock.ExpectExec("INSERT(.+)tasks").WillReturnResult(sqlmock.NewResult(1, 1))
-	aria2.mock.ExpectCommit()
+func TestMonitor_UpdateError(t *testing.T) {
+	a := assert.New(t)
+	mockAria2 := &mocks.Aria2Mock{}
+	mockAria2.On("Status", testMock.Anything).Return(rpc.StatusInfo{
+		Status:       "error",
+		ErrorMessage: "error",
+	}, nil)
+	mockAria2.On("DeleteTempFile", testMock.Anything).Return(nil)
+	mockNode := &mocks.NodeMock{}
+	mockNode.On("GetAria2Instance").Return(mockAria2)
+	m := &Monitor{
+		node: mockNode,
+		Task: &model.Download{Model: gorm.Model{ID: 1}},
+	}
+	mock.ExpectBegin()
+	mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
+	mock.ExpectCommit()
+	mock.ExpectBegin()
+	mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
+	mock.ExpectCommit()
+
+	a.True(m.Update())
+	a.NoError(mock.ExpectationsWereMet())
+	mockAria2.AssertExpectations(t)
+	mockNode.AssertExpectations(t)
+	a.NotEmpty(m.Task.Error)
+}
 
-	aria2.mock.ExpectBegin()
-	aria2.mock.ExpectExec("UPDATE(.+)downloads").WillReturnResult(sqlmock.NewResult(1, 1))
-	aria2.mock.ExpectCommit()
-	asserts.True(monitor.Complete(rpc.StatusInfo{}))
-	asserts.NoError(aria2.mock.ExpectationsWereMet())
+func TestMonitor_UpdateActive(t *testing.T) {
+	a := assert.New(t)
+	mockAria2 := &mocks.Aria2Mock{}
+	mockAria2.On("Status", testMock.Anything).Return(rpc.StatusInfo{
+		Status: "active",
+	}, nil)
+	mockNode := &mocks.NodeMock{}
+	mockNode.On("GetAria2Instance").Return(mockAria2)
+	m := &Monitor{
+		node: mockNode,
+		Task: &model.Download{Model: gorm.Model{ID: 1}},
+	}
+	mock.ExpectBegin()
+	mock.ExpectExec("UPDATE(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
+	mock.ExpectCommit()
+
+	a.False(m.Update())
+	a.NoError(mock.ExpectationsWereMet())
+	mockAria2.AssertExpectations(t)
+	mockNode.AssertExpectations(t)
 }
diff --git a/pkg/mocks/mocks.go b/pkg/mocks/mocks.go
new file mode 100644
index 0000000..64d4425
--- /dev/null
+++ b/pkg/mocks/mocks.go
@@ -0,0 +1,173 @@
+package mocks
+
+import (
+	model "github.com/cloudreve/Cloudreve/v3/models"
+	"github.com/cloudreve/Cloudreve/v3/pkg/aria2/common"
+	"github.com/cloudreve/Cloudreve/v3/pkg/aria2/rpc"
+	"github.com/cloudreve/Cloudreve/v3/pkg/auth"
+	"github.com/cloudreve/Cloudreve/v3/pkg/balancer"
+	"github.com/cloudreve/Cloudreve/v3/pkg/cluster"
+	"github.com/cloudreve/Cloudreve/v3/pkg/mq"
+	"github.com/cloudreve/Cloudreve/v3/pkg/serializer"
+	testMock "github.com/stretchr/testify/mock"
+)
+
+type SlaveControllerMock struct {
+	testMock.Mock
+}
+
+func (s SlaveControllerMock) HandleHeartBeat(pingReq *serializer.NodePingReq) (serializer.NodePingResp, error) {
+	args := s.Called(pingReq)
+	return args.Get(0).(serializer.NodePingResp), args.Error(1)
+}
+
+func (s SlaveControllerMock) GetAria2Instance(s2 string) (common.Aria2, error) {
+	args := s.Called(s2)
+	return args.Get(0).(common.Aria2), args.Error(1)
+}
+
+func (s SlaveControllerMock) SendNotification(s3 string, s2 string, message mq.Message) error {
+	args := s.Called(s3, s2, message)
+	return args.Error(0)
+}
+
+func (s SlaveControllerMock) SubmitTask(s3 string, i interface{}, s2 string, f func(interface{})) error {
+	args := s.Called(s3, i, s2, f)
+	return args.Error(0)
+}
+
+func (s SlaveControllerMock) GetMasterInfo(s2 string) (*cluster.MasterInfo, error) {
+	args := s.Called(s2)
+	return args.Get(0).(*cluster.MasterInfo), args.Error(1)
+}
+
+func (s SlaveControllerMock) GetOneDriveToken(s2 string, u uint) (string, error) {
+	args := s.Called(s2, u)
+	return args.String(0), args.Error(1)
+}
+
+type NodePoolMock struct {
+	testMock.Mock
+}
+
+func (n NodePoolMock) BalanceNodeByFeature(feature string, lb balancer.Balancer) (error, cluster.Node) {
+	args := n.Called(feature, lb)
+	return args.Error(0), args.Get(1).(cluster.Node)
+}
+
+func (n NodePoolMock) GetNodeByID(id uint) cluster.Node {
+	args := n.Called(id)
+	if res, ok := args.Get(0).(cluster.Node); ok {
+		return res
+	}
+
+	return nil
+}
+
+func (n NodePoolMock) Add(node *model.Node) {
+	n.Called(node)
+}
+
+func (n NodePoolMock) Delete(id uint) {
+	n.Called(id)
+}
+
+type NodeMock struct {
+	testMock.Mock
+}
+
+func (n NodeMock) Init(node *model.Node) {
+	n.Called(node)
+}
+
+func (n NodeMock) IsFeatureEnabled(feature string) bool {
+	args := n.Called(feature)
+	return args.Bool(0)
+}
+
+func (n NodeMock) SubscribeStatusChange(callback func(isActive bool, id uint)) {
+	n.Called(callback)
+}
+
+func (n NodeMock) Ping(req *serializer.NodePingReq) (*serializer.NodePingResp, error) {
+	args := n.Called(req)
+	return args.Get(0).(*serializer.NodePingResp), args.Error(1)
+}
+
+func (n NodeMock) IsActive() bool {
+	args := n.Called()
+	return args.Bool(0)
+}
+
+func (n NodeMock) GetAria2Instance() common.Aria2 {
+	args := n.Called()
+	return args.Get(0).(common.Aria2)
+}
+
+func (n NodeMock) ID() uint {
+	args := n.Called()
+	return args.Get(0).(uint)
+}
+
+func (n NodeMock) Kill() {
+	n.Called()
+}
+
+func (n NodeMock) IsMater() bool {
+	args := n.Called()
+	return args.Bool(0)
+}
+
+func (n NodeMock) MasterAuthInstance() auth.Auth {
+	args := n.Called()
+	return args.Get(0).(auth.Auth)
+}
+
+func (n NodeMock) SlaveAuthInstance() auth.Auth {
+	args := n.Called()
+	return args.Get(0).(auth.Auth)
+}
+
+func (n NodeMock) DBModel() *model.Node {
+	args := n.Called()
+	return args.Get(0).(*model.Node)
+}
+
+type Aria2Mock struct {
+	testMock.Mock
+}
+
+func (a Aria2Mock) Init() error {
+	args := a.Called()
+	return args.Error(0)
+}
+
+func (a Aria2Mock) CreateTask(task *model.Download, options map[string]interface{}) (string, error) {
+	args := a.Called(task, options)
+	return args.String(0), args.Error(1)
+}
+
+func (a Aria2Mock) Status(task *model.Download) (rpc.StatusInfo, error) {
+	args := a.Called(task)
+	return args.Get(0).(rpc.StatusInfo), args.Error(1)
+}
+
+func (a Aria2Mock) Cancel(task *model.Download) error {
+	args := a.Called(task)
+	return args.Error(0)
+}
+
+func (a Aria2Mock) Select(task *model.Download, files []int) error {
+	args := a.Called(task, files)
+	return args.Error(0)
+}
+
+func (a Aria2Mock) GetConfig() model.Aria2Option {
+	args := a.Called()
+	return args.Get(0).(model.Aria2Option)
+}
+
+func (a Aria2Mock) DeleteTempFile(download *model.Download) error {
+	args := a.Called(download)
+	return args.Error(0)
+}
diff --git a/service/aria2/add.go b/service/aria2/add.go
index 73446b4..8443c14 100644
--- a/service/aria2/add.go
+++ b/service/aria2/add.go
@@ -72,7 +72,7 @@ func (service *AddURLService) Add(c *gin.Context, taskType int) serializer.Respo
 	}
 
 	// 创建任务监控
-	monitor.NewMonitor(task)
+	monitor.NewMonitor(task, cluster.Default, mq.GlobalMQ)
 
 	return serializer.Response{}
 }