diff --git a/common/config.go b/common/config.go
index 663d23c..4b236bc 100644
--- a/common/config.go
+++ b/common/config.go
@@ -3,7 +3,6 @@ package common
 import (
 	"github.com/fsnotify/fsnotify"
 	"github.com/spf13/viper"
-	"log"
 	"os"
 	"sendmsg/global"
 	"sendmsg/model"
@@ -21,7 +20,7 @@ func InitConfig() (model.Config, error) {
 	viper.AddConfigPath("../config")
 	viper.AddConfigPath(workDir + "/config")
 	viper.OnConfigChange(func(e fsnotify.Event) {
-		log.Printf("[conf] config update: %v\n", e.Name)
+		Log.Printf("[conf] config update: %v\n", e.Name)
 		global.GLO_CONF_CH <- updateConfig()
 	})
 	viper.WatchConfig()
diff --git a/main.go b/main.go
index 243ba47..935bab6 100644
--- a/main.go
+++ b/main.go
@@ -1,7 +1,6 @@
 package main
 
 import (
-	"log"
 	"sendmsg/common"
 	"sendmsg/global"
 	"sendmsg/message"
@@ -18,7 +17,7 @@ func init() {
 	global.GLO_CONF_CH = make(chan model.Config)
 	_conf, err := common.InitConfig()
 	if err != nil {
-		log.Fatalf("[init] Failed to initialize config: %v", err)
+		common.Log.Fatalf("[init] Failed to initialize config: %v", err)
 	}
 	global.GLO_CONF = _conf
 }
diff --git a/message/bark.go b/message/bark.go
index 47fba97..fbfce90 100644
--- a/message/bark.go
+++ b/message/bark.go
@@ -3,8 +3,8 @@ package message
 import (
 	"bytes"
 	"encoding/json"
-	"log"
 	"net/http"
+	"sendmsg/common"
 	"sendmsg/model"
 )
 
@@ -14,7 +14,7 @@ type Bark struct {
 }
 
 func (b *Bark) Send(body Body) {
-	log.Printf("[bark] sending message...")
+	common.Log.Printf("[bark] sending message...")
 	var reqBody = model.BarkRequest{
 		DeviceKey: b.key,
 		Title:     body.Title,
@@ -25,9 +25,9 @@ func (b *Bark) Send(body Body) {
 		"application/json; charset=utf-8",
 		bytes.NewReader(req))
 	if err != nil {
-		log.Fatalf("[bark] http post failed: %v\n", err)
+		common.Log.Fatalf("[bark] http post failed: %v\n", err)
 	}
 	defer resp.Body.Close()
 
-	log.Printf("[bark] Send successful")
+	common.Log.Printf("[bark] Send successful")
 }
diff --git a/message/mail.go b/message/mail.go
index 518d152..003b7a7 100644
--- a/message/mail.go
+++ b/message/mail.go
@@ -3,8 +3,8 @@ package message
 import (
 	"fmt"
 	"github.com/jordan-wright/email"
-	"log"
 	"net/smtp"
+	"sendmsg/common"
 )
 
 type Mail struct {
@@ -18,7 +18,7 @@ type Mail struct {
 }
 
 func (m *Mail) Send(body Body) {
-	log.Printf("[mail] sending message...")
+	common.Log.Printf("[mail] sending message...")
 	e := email.NewEmail()
 	e.From = m.FromName
 	e.To = m.To
@@ -27,7 +27,7 @@ func (m *Mail) Send(body Body) {
 	addr := fmt.Sprintf("%v:%v", m.Host, m.Port)
 	err := e.Send(addr, smtp.PlainAuth("", m.Username, m.Password, m.Host))
 	if err != nil {
-		log.Fatalf("[mail] send failed: %v\n", err)
+		common.Log.Fatalf("[mail] send failed: %v\n", err)
 	}
-	log.Printf("[mail] send successful")
+	common.Log.Printf("[mail] send successful")
 }
diff --git a/message/message_test.go b/message/message_test.go
index 393a5c5..14e1766 100644
--- a/message/message_test.go
+++ b/message/message_test.go
@@ -1,7 +1,6 @@
 package message
 
 import (
-	"log"
 	"sendmsg/common"
 	"sendmsg/global"
 	"testing"
@@ -11,7 +10,7 @@ import (
 func TestSend(t *testing.T) {
 	conf, err := common.InitConfig()
 	if err != nil {
-		log.Println("[test] Failed to initialize config: ", err)
+		common.Log.Println("[test] Failed to initialize config: ", err)
 	}
 	global.GLO_CONF = conf
 
diff --git a/service/service.go b/service/service.go
index ca47142..317e50e 100644
--- a/service/service.go
+++ b/service/service.go
@@ -1,7 +1,7 @@
 package service
 
 import (
-	"log"
+	"sendmsg/common"
 	"sendmsg/message"
 )
 
@@ -10,7 +10,7 @@ type Service struct {
 }
 
 func (s Service) Run() {
-	log.Printf("[service] start excute...")
+	common.Log.Printf("[service] start excute...")
 	send(s.Body)
 }