diff --git a/pkg/factory/factory.go b/pkg/factory/factory.go
index 52f3c0ae..15d6fa70 100644
--- a/pkg/factory/factory.go
+++ b/pkg/factory/factory.go
@@ -6,7 +6,7 @@ package factory
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	"github.com/asaskevich/govalidator"
 	"gopkg.in/yaml.v2"
@@ -23,7 +23,7 @@ func InitConfigFactory(f string, cfg *Config) error {
 		f = AmfDefaultConfigPath
 	}
 
-	if content, err := ioutil.ReadFile(f); err != nil {
+	if content, err := os.ReadFile(f); err != nil {
 		return fmt.Errorf("[Factory] %+v", err)
 	} else {
 		logger.CfgLog.Infof("Read config from [%s]", f)
diff --git a/pkg/service/init.go b/pkg/service/init.go
index 82e79342..00de516a 100644
--- a/pkg/service/init.go
+++ b/pkg/service/init.go
@@ -2,7 +2,7 @@ package service
 
 import (
 	"fmt"
-	"io/ioutil"
+	"io"
 	"os"
 	"os/signal"
 	"runtime/debug"
@@ -50,7 +50,7 @@ func (a *AmfApp) SetLogEnable(enable bool) {
 	logger.MainLog.Infof("Log enable is set to [%v]", enable)
 	if enable && logger.Log.Out == os.Stderr {
 		return
-	} else if !enable && logger.Log.Out == ioutil.Discard {
+	} else if !enable && logger.Log.Out == io.Discard {
 		return
 	}
 
@@ -58,7 +58,7 @@ func (a *AmfApp) SetLogEnable(enable bool) {
 	if enable {
 		logger.Log.SetOutput(os.Stderr)
 	} else {
-		logger.Log.SetOutput(ioutil.Discard)
+		logger.Log.SetOutput(io.Discard)
 	}
 }