diff --git a/gorush/notification.go b/gorush/notification.go
index 8d6192d..11f4db6 100644
--- a/gorush/notification.go
+++ b/gorush/notification.go
@@ -57,6 +57,7 @@ type RequestPush struct {
 type PushNotification struct {
 	Wg  *sync.WaitGroup
 	Log *[]logx.LogPushEntry
+	Cfg config.ConfYaml
 
 	// Common
 	ID               string      `json:"notif_id,omitempty"`
@@ -238,17 +239,17 @@ func CheckPushConf(cfg config.ConfYaml) error {
 }
 
 // SendNotification send notification
-func SendNotification(cfg config.ConfYaml, req PushNotification) {
+func SendNotification(req PushNotification) {
 	defer func() {
 		req.WaitDone()
 	}()
 
 	switch req.Platform {
 	case core.PlatFormIos:
-		PushToIOS(cfg, req)
+		PushToIOS(req)
 	case core.PlatFormAndroid:
-		PushToAndroid(cfg, req)
+		PushToAndroid(req)
 	case core.PlatFormHuawei:
-		PushToHuawei(cfg, req)
+		PushToHuawei(req)
 	}
 }
diff --git a/gorush/notification_apns.go b/gorush/notification_apns.go
index e018c24..049cb9b 100644
--- a/gorush/notification_apns.go
+++ b/gorush/notification_apns.go
@@ -31,6 +31,8 @@ var (
 	tcpKeepAlive    = 60 * time.Second
 )
 
+var doOnce sync.Once
+
 // DialTLS is the default dial function for creating TLS connections for
 // non-proxied HTTPS requests.
 var DialTLS = func(cfg *tls.Config) func(network, addr string) (net.Conn, error) {
@@ -132,7 +134,9 @@ func InitAPNSClient(cfg config.ConfYaml) error {
 			return err
 		}
 
-		MaxConcurrentIOSPushes = make(chan struct{}, cfg.Ios.MaxConcurrentPushes)
+		doOnce.Do(func() {
+			MaxConcurrentIOSPushes = make(chan struct{}, cfg.Ios.MaxConcurrentPushes)
+		})
 	}
 
 	return nil
@@ -384,12 +388,12 @@ func getApnsClient(cfg config.ConfYaml, req PushNotification) (client *apns2.Cli
 }
 
 // PushToIOS provide send notification to APNs server.
-func PushToIOS(cfg config.ConfYaml, req PushNotification) {
+func PushToIOS(req PushNotification) {
 	logx.LogAccess.Debug("Start push notification for iOS")
 
 	var (
 		retryCount = 0
-		maxRetry   = cfg.Ios.MaxRetry
+		maxRetry   = req.Cfg.Ios.MaxRetry
 	)
 
 	if req.Retry > 0 && req.Retry < maxRetry {
@@ -400,7 +404,7 @@ Retry:
 	var newTokens []string
 
 	notification := GetIOSNotification(req)
-	client := getApnsClient(cfg, req)
+	client := getApnsClient(req.Cfg, req)
 
 	var wg sync.WaitGroup
 	for _, token := range req.Tokens {
@@ -419,17 +423,17 @@ Retry:
 					err = errors.New(res.Reason)
 				}
 				// apns server error
-				logPush(cfg, core.FailedPush, token, req, err)
+				logPush(req.Cfg, core.FailedPush, token, req, err)
 
-				if cfg.Core.Sync {
-					req.AddLog(createLogPushEntry(cfg, core.FailedPush, token, req, err))
-				} else if cfg.Core.FeedbackURL != "" {
+				if req.Cfg.Core.Sync {
+					req.AddLog(createLogPushEntry(req.Cfg, core.FailedPush, token, req, err))
+				} else if req.Cfg.Core.FeedbackURL != "" {
 					go func(logger *logrus.Logger, log logx.LogPushEntry, url string, timeout int64) {
 						err := DispatchFeedback(log, url, timeout)
 						if err != nil {
 							logger.Error(err)
 						}
-					}(logx.LogError, createLogPushEntry(cfg, core.FailedPush, token, req, err), cfg.Core.FeedbackURL, cfg.Core.FeedbackTimeout)
+					}(logx.LogError, createLogPushEntry(req.Cfg, core.FailedPush, token, req, err), req.Cfg.Core.FeedbackURL, req.Cfg.Core.FeedbackTimeout)
 				}
 
 				status.StatStorage.AddIosError(1)
@@ -441,14 +445,16 @@ Retry:
 			}
 
 			if res != nil && res.Sent() {
-				logPush(cfg, core.SucceededPush, token, req, nil)
+				logPush(req.Cfg, core.SucceededPush, token, req, nil)
 				status.StatStorage.AddIosSuccess(1)
 			}
+
 			// free push slot
 			<-MaxConcurrentIOSPushes
 			wg.Done()
 		}(*notification, token)
 	}
+
 	wg.Wait()
 
 	if len(newTokens) > 0 && retryCount < maxRetry {
diff --git a/gorush/notification_apns_test.go b/gorush/notification_apns_test.go
index 748f9cf..f9e1404 100644
--- a/gorush/notification_apns_test.go
+++ b/gorush/notification_apns_test.go
@@ -727,13 +727,14 @@ func TestPushToIOS(t *testing.T) {
 	assert.Nil(t, err)
 
 	req := PushNotification{
+		Cfg:      cfg,
 		Tokens:   []string{"11aa01229f15f0f0c52029d8cf8cd0aeaf2365fe4cebc4af26cd6d76b7919ef7", "11aa01229f15f0f0c52029d8cf8cd0aeaf2365fe4cebc4af26cd6d76b7919ef1"},
 		Platform: 1,
 		Message:  "Welcome",
 	}
 
 	// send fail
-	PushToIOS(cfg, req)
+	PushToIOS(req)
 }
 
 func TestApnsHostFromRequest(t *testing.T) {
diff --git a/gorush/notification_fcm.go b/gorush/notification_fcm.go
index f02b709..97db86c 100644
--- a/gorush/notification_fcm.go
+++ b/gorush/notification_fcm.go
@@ -106,13 +106,13 @@ func GetAndroidNotification(req PushNotification) *fcm.Message {
 }
 
 // PushToAndroid provide send notification to Android server.
-func PushToAndroid(cfg config.ConfYaml, req PushNotification) {
+func PushToAndroid(req PushNotification) {
 	logx.LogAccess.Debug("Start push notification for Android")
 
 	var (
 		client     *fcm.Client
 		retryCount = 0
-		maxRetry   = cfg.Android.MaxRetry
+		maxRetry   = req.Cfg.Android.MaxRetry
 	)
 
 	if req.Retry > 0 && req.Retry < maxRetry {
@@ -130,9 +130,9 @@ Retry:
 	notification := GetAndroidNotification(req)
 
 	if req.APIKey != "" {
-		client, err = InitFCMClient(cfg, req.APIKey)
+		client, err = InitFCMClient(req.Cfg, req.APIKey)
 	} else {
-		client, err = InitFCMClient(cfg, cfg.Android.APIKey)
+		client, err = InitFCMClient(req.Cfg, req.Cfg.Android.APIKey)
 	}
 
 	if err != nil {
@@ -147,28 +147,28 @@ Retry:
 		logx.LogError.Error("FCM server send message error: " + err.Error())
 
 		if req.IsTopic() {
-			if cfg.Core.Sync {
-				req.AddLog(createLogPushEntry(cfg, core.FailedPush, req.To, req, err))
-			} else if cfg.Core.FeedbackURL != "" {
+			if req.Cfg.Core.Sync {
+				req.AddLog(createLogPushEntry(req.Cfg, core.FailedPush, req.To, req, err))
+			} else if req.Cfg.Core.FeedbackURL != "" {
 				go func(logger *logrus.Logger, log logx.LogPushEntry, url string, timeout int64) {
 					err := DispatchFeedback(log, url, timeout)
 					if err != nil {
 						logger.Error(err)
 					}
-				}(logx.LogError, createLogPushEntry(cfg, core.FailedPush, req.To, req, err), cfg.Core.FeedbackURL, cfg.Core.FeedbackTimeout)
+				}(logx.LogError, createLogPushEntry(req.Cfg, core.FailedPush, req.To, req, err), req.Cfg.Core.FeedbackURL, req.Cfg.Core.FeedbackTimeout)
 			}
 			status.StatStorage.AddAndroidError(1)
 		} else {
 			for _, token := range req.Tokens {
-				if cfg.Core.Sync {
-					req.AddLog(createLogPushEntry(cfg, core.FailedPush, token, req, err))
-				} else if cfg.Core.FeedbackURL != "" {
+				if req.Cfg.Core.Sync {
+					req.AddLog(createLogPushEntry(req.Cfg, core.FailedPush, token, req, err))
+				} else if req.Cfg.Core.FeedbackURL != "" {
 					go func(logger *logrus.Logger, log logx.LogPushEntry, url string, timeout int64) {
 						err := DispatchFeedback(log, url, timeout)
 						if err != nil {
 							logger.Error(err)
 						}
-					}(logx.LogError, createLogPushEntry(cfg, core.FailedPush, token, req, err), cfg.Core.FeedbackURL, cfg.Core.FeedbackTimeout)
+					}(logx.LogError, createLogPushEntry(req.Cfg, core.FailedPush, token, req, err), req.Cfg.Core.FeedbackURL, req.Cfg.Core.FeedbackTimeout)
 				}
 			}
 			status.StatStorage.AddAndroidError(int64(len(req.Tokens)))
@@ -200,21 +200,21 @@ Retry:
 				newTokens = append(newTokens, to)
 			}
 
-			logPush(cfg, core.FailedPush, to, req, result.Error)
-			if cfg.Core.Sync {
-				req.AddLog(createLogPushEntry(cfg, core.FailedPush, to, req, result.Error))
-			} else if cfg.Core.FeedbackURL != "" {
+			logPush(req.Cfg, core.FailedPush, to, req, result.Error)
+			if req.Cfg.Core.Sync {
+				req.AddLog(createLogPushEntry(req.Cfg, core.FailedPush, to, req, result.Error))
+			} else if req.Cfg.Core.FeedbackURL != "" {
 				go func(logger *logrus.Logger, log logx.LogPushEntry, url string, timeout int64) {
 					err := DispatchFeedback(log, url, timeout)
 					if err != nil {
 						logger.Error(err)
 					}
-				}(logx.LogError, createLogPushEntry(cfg, core.FailedPush, to, req, result.Error), cfg.Core.FeedbackURL, cfg.Core.FeedbackTimeout)
+				}(logx.LogError, createLogPushEntry(req.Cfg, core.FailedPush, to, req, result.Error), req.Cfg.Core.FeedbackURL, req.Cfg.Core.FeedbackTimeout)
 			}
 			continue
 		}
 
-		logPush(cfg, core.SucceededPush, to, req, nil)
+		logPush(req.Cfg, core.SucceededPush, to, req, nil)
 	}
 
 	// result from Send messages to topics
@@ -228,12 +228,12 @@ Retry:
 		logx.LogAccess.Debug("Send Topic Message: ", to)
 		// Success
 		if res.MessageID != 0 {
-			logPush(cfg, core.SucceededPush, to, req, nil)
+			logPush(req.Cfg, core.SucceededPush, to, req, nil)
 		} else {
 			// failure
-			logPush(cfg, core.FailedPush, to, req, res.Error)
-			if cfg.Core.Sync {
-				req.AddLog(createLogPushEntry(cfg, core.FailedPush, to, req, res.Error))
+			logPush(req.Cfg, core.FailedPush, to, req, res.Error)
+			if req.Cfg.Core.Sync {
+				req.AddLog(createLogPushEntry(req.Cfg, core.FailedPush, to, req, res.Error))
 			}
 		}
 	}
@@ -242,9 +242,9 @@ Retry:
 	if len(res.FailedRegistrationIDs) > 0 {
 		newTokens = append(newTokens, res.FailedRegistrationIDs...)
 
-		logPush(cfg, core.FailedPush, notification.To, req, errors.New("device group: partial success or all fails"))
-		if cfg.Core.Sync {
-			req.AddLog(createLogPushEntry(cfg, core.FailedPush, notification.To, req, errors.New("device group: partial success or all fails")))
+		logPush(req.Cfg, core.FailedPush, notification.To, req, errors.New("device group: partial success or all fails"))
+		if req.Cfg.Core.Sync {
+			req.AddLog(createLogPushEntry(req.Cfg, core.FailedPush, notification.To, req, errors.New("device group: partial success or all fails")))
 		}
 	}
 
diff --git a/gorush/notification_fcm_test.go b/gorush/notification_fcm_test.go
index a3bd9f9..2f625e0 100644
--- a/gorush/notification_fcm_test.go
+++ b/gorush/notification_fcm_test.go
@@ -41,13 +41,14 @@ func TestPushToAndroidWrongToken(t *testing.T) {
 	cfg.Android.APIKey = os.Getenv("ANDROID_API_KEY")
 
 	req := PushNotification{
+		Cfg:      cfg,
 		Tokens:   []string{"aaaaaa", "bbbbb"},
 		Platform: core.PlatFormAndroid,
 		Message:  "Welcome",
 	}
 
 	// Android Success count: 0, Failure count: 2
-	PushToAndroid(cfg, req)
+	PushToAndroid(req)
 }
 
 func TestPushToAndroidRightTokenForJSONLog(t *testing.T) {
@@ -61,12 +62,13 @@ func TestPushToAndroidRightTokenForJSONLog(t *testing.T) {
 	androidToken := os.Getenv("ANDROID_TEST_TOKEN")
 
 	req := PushNotification{
+		Cfg:      cfg,
 		Tokens:   []string{androidToken},
 		Platform: core.PlatFormAndroid,
 		Message:  "Welcome",
 	}
 
-	PushToAndroid(cfg, req)
+	PushToAndroid(req)
 }
 
 func TestPushToAndroidRightTokenForStringLog(t *testing.T) {
@@ -78,12 +80,13 @@ func TestPushToAndroidRightTokenForStringLog(t *testing.T) {
 	androidToken := os.Getenv("ANDROID_TEST_TOKEN")
 
 	req := PushNotification{
+		Cfg:      cfg,
 		Tokens:   []string{androidToken},
 		Platform: core.PlatFormAndroid,
 		Message:  "Welcome",
 	}
 
-	PushToAndroid(cfg, req)
+	PushToAndroid(req)
 }
 
 func TestOverwriteAndroidAPIKey(t *testing.T) {
@@ -96,6 +99,7 @@ func TestOverwriteAndroidAPIKey(t *testing.T) {
 	androidToken := os.Getenv("ANDROID_TEST_TOKEN")
 
 	req := PushNotification{
+		Cfg:      cfg,
 		Tokens:   []string{androidToken, "bbbbb"},
 		Platform: core.PlatFormAndroid,
 		Message:  "Welcome",
@@ -106,7 +110,7 @@ func TestOverwriteAndroidAPIKey(t *testing.T) {
 	}
 
 	// FCM server error: 401 error: 401 Unauthorized (Wrong API Key)
-	PushToAndroid(cfg, req)
+	PushToAndroid(req)
 
 	assert.Len(t, *req.Log, 2)
 }
@@ -197,13 +201,14 @@ func TestCheckAndroidMessage(t *testing.T) {
 
 	timeToLive := uint(2419201)
 	req := PushNotification{
+		Cfg:        cfg,
 		Tokens:     []string{"aaaaaa", "bbbbb"},
 		Platform:   core.PlatFormAndroid,
 		Message:    "Welcome",
 		TimeToLive: &timeToLive,
 	}
 
-	PushToAndroid(cfg, req)
+	PushToAndroid(req)
 }
 
 func TestAndroidNotificationStructure(t *testing.T) {
diff --git a/gorush/notification_hms.go b/gorush/notification_hms.go
index 8447e96..c0668f1 100644
--- a/gorush/notification_hms.go
+++ b/gorush/notification_hms.go
@@ -166,8 +166,9 @@ func GetHuaweiNotification(req PushNotification) (*model.MessageRequest, error)
 }
 
 // PushToHuawei provide send notification to Android server.
-func PushToHuawei(cfg config.ConfYaml, req PushNotification) bool {
+func PushToHuawei(req PushNotification) bool {
 	logx.LogAccess.Debug("Start push notification for Huawei")
+	cfg := req.Cfg
 
 	var (
 		client     *core.HMSClient
diff --git a/main.go b/main.go
index 089934e..f714df7 100644
--- a/main.go
+++ b/main.go
@@ -19,6 +19,7 @@ import (
 	"github.com/appleboy/gorush/gorush"
 	"github.com/appleboy/gorush/logx"
 	"github.com/appleboy/gorush/queue"
+	"github.com/appleboy/gorush/queue/simple"
 	"github.com/appleboy/gorush/router"
 	"github.com/appleboy/gorush/rpc"
 	"github.com/appleboy/gorush/status"
@@ -192,6 +193,7 @@ func main() {
 	if opts.Android.Enabled {
 		cfg.Android.Enabled = opts.Android.Enabled
 		req := gorush.PushNotification{
+			Cfg:      cfg,
 			Platform: core.PlatFormAndroid,
 			Message:  message,
 			Title:    title,
@@ -216,7 +218,7 @@ func main() {
 			return
 		}
 
-		gorush.PushToAndroid(cfg, req)
+		gorush.PushToAndroid(req)
 
 		return
 	}
@@ -225,6 +227,7 @@ func main() {
 	if opts.Huawei.Enabled {
 		cfg.Huawei.Enabled = opts.Huawei.Enabled
 		req := gorush.PushNotification{
+			Cfg:      cfg,
 			Platform: core.PlatFormHuawei,
 			Message:  message,
 			Title:    title,
@@ -249,7 +252,7 @@ func main() {
 			return
 		}
 
-		gorush.PushToHuawei(cfg, req)
+		gorush.PushToHuawei(req)
 
 		return
 	}
@@ -262,6 +265,7 @@ func main() {
 
 		cfg.Ios.Enabled = opts.Ios.Enabled
 		req := gorush.PushNotification{
+			Cfg:      cfg,
 			Platform: core.PlatFormIos,
 			Message:  message,
 			Title:    title,
@@ -289,7 +293,7 @@ func main() {
 		if err := gorush.InitAPNSClient(cfg); err != nil {
 			return
 		}
-		gorush.PushToIOS(cfg, req)
+		gorush.PushToIOS(req)
 
 		return
 	}
@@ -312,7 +316,8 @@ func main() {
 		logx.LogError.Fatal(err)
 	}
 
-	q := queue.NewQueue(cfg)
+	w := simple.NewWorker(int(cfg.Core.QueueNum))
+	q := queue.NewQueue(w)
 	q.Start()
 
 	finished := make(chan struct{})
diff --git a/queue/queue.go b/queue/queue.go
index 5cc6fc8..d884d2a 100644
--- a/queue/queue.go
+++ b/queue/queue.go
@@ -3,9 +3,7 @@ package queue
 import (
 	"runtime"
 
-	"github.com/appleboy/gorush/config"
 	"github.com/appleboy/gorush/logx"
-	"github.com/appleboy/gorush/queue/simple"
 )
 
 type (
@@ -20,21 +18,13 @@ type (
 )
 
 // NewQueue returns a Queue.
-func NewQueue(cfg config.ConfYaml) *Queue {
+func NewQueue(w Worker) *Queue {
 	q := &Queue{
-		workerCount:  int(cfg.Core.WorkerNum),
-		queueCount:   int(cfg.Core.QueueNum),
+		workerCount:  runtime.NumCPU(),
+		queueCount:   runtime.NumCPU() << 1,
 		routineGroup: newRoutineGroup(),
 		quit:         make(chan struct{}),
-		worker:       simple.NewWorker(cfg),
-	}
-
-	if q.workerCount != 0 {
-		q.workerCount = runtime.NumCPU()
-	}
-
-	if q.queueCount == 0 {
-		q.queueCount = runtime.NumCPU() << 1
+		worker:       w,
 	}
 
 	return q
@@ -50,11 +40,6 @@ func (q *Queue) Usage() int {
 	return q.worker.Usage()
 }
 
-// Config update current config
-func (q *Queue) Config(cfg config.ConfYaml) {
-	q.worker.Config(cfg)
-}
-
 // Start to enable all worker
 func (q *Queue) Start() {
 	q.startWorker()
diff --git a/queue/simple/simple.go b/queue/simple/simple.go
index e8e4988..fda27ec 100644
--- a/queue/simple/simple.go
+++ b/queue/simple/simple.go
@@ -3,20 +3,18 @@ package simple
 import (
 	"errors"
 
-	"github.com/appleboy/gorush/config"
 	"github.com/appleboy/gorush/gorush"
 )
 
 // Worker for simple queue using channel
 type Worker struct {
-	cfg               config.ConfYaml
 	queueNotification chan gorush.PushNotification
 }
 
 // Run start the worker
 func (s *Worker) Run(_ chan struct{}) {
 	for notification := range s.queueNotification {
-		gorush.SendNotification(s.cfg, notification)
+		gorush.SendNotification(notification)
 	}
 }
 
@@ -45,15 +43,9 @@ func (s *Worker) Enqueue(job interface{}) error {
 	}
 }
 
-// Config update current config
-func (s *Worker) Config(cfg config.ConfYaml) {
-	s.cfg = cfg
-}
-
 // NewWorker for struct
-func NewWorker(cfg config.ConfYaml) *Worker {
+func NewWorker(num int) *Worker {
 	return &Worker{
-		cfg:               cfg,
-		queueNotification: make(chan gorush.PushNotification, cfg.Core.QueueNum),
+		queueNotification: make(chan gorush.PushNotification, num),
 	}
 }
diff --git a/queue/worker.go b/queue/worker.go
index 39cf42b..5224b6a 100644
--- a/queue/worker.go
+++ b/queue/worker.go
@@ -1,7 +1,5 @@
 package queue
 
-import "github.com/appleboy/gorush/config"
-
 // Worker interface
 type Worker interface {
 	Run(chan struct{})
@@ -9,5 +7,4 @@ type Worker interface {
 	Enqueue(job interface{}) error
 	Capacity() int
 	Usage() int
-	Config(config.ConfYaml)
 }
diff --git a/router/server.go b/router/server.go
index 8fa3164..7f2e21e 100644
--- a/router/server.go
+++ b/router/server.go
@@ -266,6 +266,7 @@ func handleNotification(ctx context.Context, cfg config.ConfYaml, req gorush.Req
 				continue
 			}
 		}
+		notification.Cfg = cfg
 		newNotification = append(newNotification, notification)
 	}
 
diff --git a/router/server_test.go b/router/server_test.go
index 716ee94..64826dc 100644
--- a/router/server_test.go
+++ b/router/server_test.go
@@ -16,6 +16,7 @@ import (
 	"github.com/appleboy/gorush/gorush"
 	"github.com/appleboy/gorush/logx"
 	"github.com/appleboy/gorush/queue"
+	"github.com/appleboy/gorush/queue/simple"
 	"github.com/appleboy/gorush/status"
 
 	"github.com/appleboy/gofight/v2"
@@ -27,6 +28,7 @@ import (
 var (
 	goVersion = runtime.Version()
 	q         *queue.Queue
+	w         queue.Worker
 )
 
 func TestMain(m *testing.M) {
@@ -44,9 +46,14 @@ func TestMain(m *testing.M) {
 		log.Fatal(err)
 	}
 
-	q = queue.NewQueue(cfg)
+	w = simple.NewWorker(int(cfg.Core.QueueNum))
+	q = queue.NewQueue(w)
 	q.Start()
-	defer q.Stop()
+	defer func() {
+		q.Stop()
+		q.Wait()
+	}()
+
 	m.Run()
 }
 
@@ -310,7 +317,7 @@ func TestMutableContent(t *testing.T) {
 				{
 					"tokens":          []string{"aaaaa", "bbbbb"},
 					"platform":        core.PlatFormAndroid,
-					"message":         "Welcome",
+					"message":         "Welcome From API",
 					"mutable_content": 1,
 					"topic":           "test",
 					"badge":           1,
@@ -341,12 +348,12 @@ func TestOutOfRangeMaxNotifications(t *testing.T) {
 				{
 					"tokens":   []string{"aaaaa", "bbbbb"},
 					"platform": core.PlatFormAndroid,
-					"message":  "Welcome",
+					"message":  "Welcome API From Android",
 				},
 				{
 					"tokens":   []string{"aaaaa", "bbbbb"},
 					"platform": core.PlatFormAndroid,
-					"message":  "Welcome",
+					"message":  "Welcome API From Android",
 				},
 			},
 		}).
@@ -372,7 +379,7 @@ func TestSuccessPushHandler(t *testing.T) {
 				{
 					"tokens":   []string{androidToken, "bbbbb"},
 					"platform": core.PlatFormAndroid,
-					"message":  "Welcome",
+					"message":  "Welcome Android",
 				},
 			},
 		}).
@@ -462,7 +469,6 @@ func TestSenMultipleNotifications(t *testing.T) {
 
 	cfg.Android.Enabled = true
 	cfg.Android.APIKey = os.Getenv("ANDROID_API_KEY")
-	q.Config(cfg)
 
 	androidToken := os.Getenv("ANDROID_TEST_TOKEN")
 
@@ -472,13 +478,13 @@ func TestSenMultipleNotifications(t *testing.T) {
 			{
 				Tokens:   []string{"11aa01229f15f0f0c52029d8cf8cd0aeaf2365fe4cebc4af26cd6d76b7919ef7"},
 				Platform: core.PlatFormIos,
-				Message:  "Welcome",
+				Message:  "Welcome iOS",
 			},
 			// android
 			{
 				Tokens:   []string{androidToken, "bbbbb"},
 				Platform: core.PlatFormAndroid,
-				Message:  "Welcome",
+				Message:  "Welcome Android",
 			},
 		},
 	}
@@ -499,7 +505,6 @@ func TestDisabledAndroidNotifications(t *testing.T) {
 
 	cfg.Android.Enabled = false
 	cfg.Android.APIKey = os.Getenv("ANDROID_API_KEY")
-	q.Config(cfg)
 
 	androidToken := os.Getenv("ANDROID_TEST_TOKEN")
 
@@ -507,15 +512,15 @@ func TestDisabledAndroidNotifications(t *testing.T) {
 		Notifications: []gorush.PushNotification{
 			// ios
 			{
-				Tokens:   []string{"11aa01229f15f0f0c52029d8cf8cd0aeaf2365fe4cebc4af26cd6d76b7919ef7"},
+				Tokens:   []string{"11aa01229f15f0f0c5209d8cf8cd0aeaf2365fe4cebc4af26cd6d76b7919ef7"},
 				Platform: core.PlatFormIos,
-				Message:  "Welcome",
+				Message:  "Welcome iOS",
 			},
 			// android
 			{
 				Tokens:   []string{androidToken, "bbbbb"},
 				Platform: core.PlatFormAndroid,
-				Message:  "Welcome",
+				Message:  "Welcome Android",
 			},
 		},
 	}
@@ -539,7 +544,6 @@ func TestSyncModeForNotifications(t *testing.T) {
 
 	// enable sync mode
 	cfg.Core.Sync = true
-	q.Config(cfg)
 
 	androidToken := os.Getenv("ANDROID_TEST_TOKEN")
 
@@ -547,15 +551,17 @@ func TestSyncModeForNotifications(t *testing.T) {
 		Notifications: []gorush.PushNotification{
 			// ios
 			{
-				Tokens:   []string{"11aa01229f15f0f0c52029d8cf8cd0aeaf2365fe4cebc4af26cd6d76b7919ef7"},
+				Tokens: []string{
+					"11aa01229f15f0f0c12029d8c111d1ae1f2365f14cebc4af26cd6d76b7919ef7",
+				},
 				Platform: core.PlatFormIos,
-				Message:  "Welcome",
+				Message:  "Welcome iOS Sync",
 			},
 			// android
 			{
 				Tokens:   []string{androidToken, "bbbbb"},
 				Platform: core.PlatFormAndroid,
-				Message:  "Welcome",
+				Message:  "Welcome Android Sync",
 			},
 		},
 	}
@@ -575,7 +581,6 @@ func TestSyncModeForTopicNotification(t *testing.T) {
 
 	// enable sync mode
 	cfg.Core.Sync = true
-	q.Config(cfg)
 
 	req := gorush.RequestPush{
 		Notifications: []gorush.PushNotification{
@@ -597,6 +602,7 @@ func TestSyncModeForTopicNotification(t *testing.T) {
 			// android
 			{
 				// success
+				Cfg:       cfg,
 				Condition: "'dogs' in topics || 'cats' in topics",
 				Platform:  core.PlatFormAndroid,
 				Message:   "This is a Firebase Cloud Messaging Topic Message!",
@@ -619,7 +625,6 @@ func TestSyncModeForDeviceGroupNotification(t *testing.T) {
 
 	// enable sync mode
 	cfg.Core.Sync = true
-	q.Config(cfg)
 
 	req := gorush.RequestPush{
 		Notifications: []gorush.PushNotification{
@@ -648,7 +653,6 @@ func TestDisabledIosNotifications(t *testing.T) {
 
 	cfg.Android.Enabled = true
 	cfg.Android.APIKey = os.Getenv("ANDROID_API_KEY")
-	q.Config(cfg)
 
 	androidToken := os.Getenv("ANDROID_TEST_TOKEN")
 
@@ -656,15 +660,15 @@ func TestDisabledIosNotifications(t *testing.T) {
 		Notifications: []gorush.PushNotification{
 			// ios
 			{
-				Tokens:   []string{"11aa01229f15f0f0c52029d8cf8cd0aeaf2365fe4cebc4af26cd6d76b7919ef7"},
+				Tokens:   []string{"11aa01229f15f0f0c52021d8cf3cd0ae1f2365fe4cebc4af26cd6d76b7919ef7"},
 				Platform: core.PlatFormIos,
-				Message:  "Welcome",
+				Message:  "Welcome iOS platform",
 			},
 			// android
 			{
 				Tokens:   []string{androidToken, androidToken + "_"},
 				Platform: core.PlatFormAndroid,
-				Message:  "Welcome",
+				Message:  "Welcome Android platform",
 			},
 		},
 	}
diff --git a/rpc/server.go b/rpc/server.go
index 5aa4077..61acabc 100644
--- a/rpc/server.go
+++ b/rpc/server.go
@@ -56,6 +56,7 @@ func (s *Server) Check(ctx context.Context, in *proto.HealthCheckRequest) (*prot
 func (s *Server) Send(ctx context.Context, in *proto.NotificationRequest) (*proto.NotificationReply, error) {
 	badge := int(in.Badge)
 	notification := gorush.PushNotification{
+		Cfg:              s.cfg,
 		Platform:         int(in.Platform),
 		Tokens:           in.Tokens,
 		Message:          in.Message,
@@ -101,7 +102,7 @@ func (s *Server) Send(ctx context.Context, in *proto.NotificationRequest) (*prot
 		}
 	}
 
-	go gorush.SendNotification(s.cfg, notification)
+	go gorush.SendNotification(notification)
 
 	return &proto.NotificationReply{
 		Success: true,