diff --git a/display/color_temp.go b/display/color_temp.go
index 2bfd6bd9..6ca58a1c 100644
--- a/display/color_temp.go
+++ b/display/color_temp.go
@@ -8,7 +8,6 @@ import (
 	"bufio"
 	"bytes"
 	"errors"
-	"io/ioutil"
 	"math"
 	"os"
 	"os/exec"
@@ -115,7 +114,7 @@ func newRedshiftRunner() *redshiftRunner {
 		logger.Warning("new sys service failed:", err)
 	}
 	zoneInfoMap := make(map[string]*zoneInfo)
-	contents, err := ioutil.ReadFile(timeZoneFile)
+	contents, err := os.ReadFile(timeZoneFile)
 	if err != nil {
 		logger.Warning("Red timezone file failed:", err)
 	}
diff --git a/display/config.go b/display/config.go
index 4c9df748..2b815bf5 100644
--- a/display/config.go
+++ b/display/config.go
@@ -7,7 +7,6 @@ package display
 import (
 	"encoding/gob"
 	"encoding/json"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
@@ -53,7 +52,7 @@ func updateSysMonitorConfigsName(configs SysMonitorConfigs, monitorMap map[uint3
 
 func loadBuiltinMonitorConfig(filename string) (string, error) {
 	// #nosec G304
-	content, err := ioutil.ReadFile(filename)
+	content, err := os.ReadFile(filename)
 	if err != nil {
 		return "", err
 	}
@@ -87,7 +86,7 @@ func readConnectInfoCache(file string) (*ConnectInfo, error) {
 // 加载 v5 或 v6 配置，v6 优先
 func loadConfigV5V6(filename string) (*ConfigV6, error) {
 	// #nosec G304
-	data, err := ioutil.ReadFile(filename)
+	data, err := os.ReadFile(filename)
 	if err != nil {
 		return nil, err
 	}
diff --git a/display/config_v3_3.go b/display/config_v3_3.go
index 526c55f1..35d1155f 100644
--- a/display/config_v3_3.go
+++ b/display/config_v3_3.go
@@ -6,7 +6,7 @@ package display
 
 import (
 	"encoding/json"
-	"io/ioutil"
+	"os"
 	"sort"
 	"strings"
 )
@@ -90,7 +90,7 @@ type ConfigV3D3 map[string]*ScreenConfigV3D3
 
 func loadConfigV3D3(filename string) (ConfigV3D3, error) {
 	// #nosec G304
-	data, err := ioutil.ReadFile(filename)
+	data, err := os.ReadFile(filename)
 	if err != nil {
 		return nil, err
 	}
diff --git a/display/config_v4.go b/display/config_v4.go
index fdc5c3a0..b3e309ed 100644
--- a/display/config_v4.go
+++ b/display/config_v4.go
@@ -6,7 +6,7 @@ package display
 
 import (
 	"encoding/json"
-	"io/ioutil"
+	"os"
 )
 
 type ConfigV4 map[string]*ScreenConfigV4
@@ -38,7 +38,7 @@ type OnlyOneModeConfig struct {
 
 func loadConfigV4(filename string) (ConfigV4, error) {
 	// #nosec G304
-	data, err := ioutil.ReadFile(filename)
+	data, err := os.ReadFile(filename)
 	if err != nil {
 		return nil, err
 	}
diff --git a/display/manager.go b/display/manager.go
index 2527a993..d40b13d9 100644
--- a/display/manager.go
+++ b/display/manager.go
@@ -8,8 +8,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"github.com/linuxdeepin/go-lib/keyfile"
-	"io/ioutil"
 	"math"
 	"os"
 	"os/exec"
@@ -20,6 +18,8 @@ import (
 	"sync"
 	"time"
 
+	"github.com/linuxdeepin/go-lib/keyfile"
+
 	"github.com/davecgh/go-spew/spew"
 	"github.com/godbus/dbus/v5"
 	"github.com/linuxdeepin/dde-api/dxinput"
@@ -2485,7 +2485,7 @@ func (m *Manager) associateTouch(monitor *Monitor, touchUUID string, auto bool)
 }
 
 func (m *Manager) loadUserConfig() error {
-	content, err := ioutil.ReadFile(userConfigFile)
+	content, err := os.ReadFile(userConfigFile)
 	if err != nil {
 		if os.IsNotExist(err) {
 			return nil
@@ -2532,7 +2532,7 @@ func (m *Manager) saveUserConfigNoLock() error {
 	}
 
 	filename := userConfigFile + ".new"
-	err = ioutil.WriteFile(filename, content, 0644)
+	err = os.WriteFile(filename, content, 0644)
 	if err != nil {
 		return err
 	}
diff --git a/display/util.go b/display/util.go
index 80a5b6b5..3d075877 100644
--- a/display/util.go
+++ b/display/util.go
@@ -8,8 +8,8 @@ import (
 	"bytes"
 	"encoding/json"
 	"errors"
-	"io/ioutil"
 	"math"
+	"os"
 	"path/filepath"
 	"regexp"
 	"sort"
@@ -301,7 +301,7 @@ func swapWidthHeightWithRotationInt32(rotation uint16, pWidth, pHeight *int32) {
 }
 
 func getConfigVersion(filename string) (string, error) {
-	content, err := ioutil.ReadFile(filename)
+	content, err := os.ReadFile(filename)
 	if err != nil {
 		return "", err
 	}
@@ -320,7 +320,7 @@ func getComputeChassis() (string, error) {
 		return "", err
 	}
 	if chassis == "" || chassis == "desktop" {
-		chassisNum, err := ioutil.ReadFile(chassisTypeFilePath)
+		chassisNum, err := os.ReadFile(chassisTypeFilePath)
 		if err != nil {
 			logger.Warning(err)
 			return "", err
@@ -380,7 +380,7 @@ var regCardOutput = regexp.MustCompile(`^card\d+-.+`)
 
 func getStdMonitorName(edid []byte) (string, error) {
 	// /sys/class/drm/card0-HDMI-A-1
-	fileInfos, err := ioutil.ReadDir("/sys/class/drm")
+	fileInfos, err := os.ReadDir("/sys/class/drm")
 	if err != nil {
 		return "", err
 	}
@@ -413,6 +413,6 @@ func edidEqual(edid1, edid2 []byte) bool {
 }
 
 func readSysDrmEdid(name string) ([]byte, error) {
-	content, err := ioutil.ReadFile(filepath.Join("/sys/class/drm", name, "edid"))
+	content, err := os.ReadFile(filepath.Join("/sys/class/drm", name, "edid"))
 	return content, err
 }
diff --git a/wl_display/config.go b/wl_display/config.go
index 850e641c..1a64281b 100644
--- a/wl_display/config.go
+++ b/wl_display/config.go
@@ -6,7 +6,6 @@ package display
 
 import (
 	"encoding/json"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 
@@ -191,7 +190,7 @@ type MonitorConfig struct {
 }
 
 func loadConfigV4(filename string) (Config, error) {
-	data, err := ioutil.ReadFile(filename)
+	data, err := os.ReadFile(filename)
 	if err != nil {
 		return nil, err
 	}
@@ -252,7 +251,7 @@ func (c Config) save(filename string) error {
 		}
 	}
 
-	err = ioutil.WriteFile(filename, data, 0644)
+	err = os.WriteFile(filename, data, 0644)
 	if err != nil {
 		return err
 	}
diff --git a/wl_display/config_v3_3.go b/wl_display/config_v3_3.go
index c7a98f5a..e4f356dd 100644
--- a/wl_display/config_v3_3.go
+++ b/wl_display/config_v3_3.go
@@ -6,7 +6,7 @@ package display
 
 import (
 	"encoding/json"
-	"io/ioutil"
+	"os"
 	"sort"
 	"strings"
 )
@@ -54,7 +54,7 @@ type MonitorConfiV3_3 struct {
 type ConfigV3_3 map[string]*ScreenConfigV3_3
 
 func loadConfigV3_3(filename string) (ConfigV3_3, error) {
-	data, err := ioutil.ReadFile(filename)
+	data, err := os.ReadFile(filename)
 	if err != nil {
 		return nil, err
 	}
diff --git a/wl_display/manager.go b/wl_display/manager.go
index 54d2d129..b9675394 100644
--- a/wl_display/manager.go
+++ b/wl_display/manager.go
@@ -7,7 +7,6 @@ package display
 import (
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"math"
 	"os"
 	"path/filepath"
@@ -1732,7 +1731,7 @@ func (m *Manager) saveConfig() error {
 	}
 
 	// #nosec G306
-	err = ioutil.WriteFile(configVersionFile, []byte(configVersion), 0644)
+	err = os.WriteFile(configVersionFile, []byte(configVersion), 0644)
 	if err != nil {
 		return err
 	}
diff --git a/wl_display/util.go b/wl_display/util.go
index a0c92d4b..cb44184a 100644
--- a/wl_display/util.go
+++ b/wl_display/util.go
@@ -8,7 +8,7 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"os/exec"
 	"regexp"
 	"sort"
@@ -230,7 +230,7 @@ func needSwapWidthHeight(rotation uint16) bool {
 }
 
 func getConfigVersion(filename string) (string, error) {
-	content, err := ioutil.ReadFile(filename)
+	content, err := os.ReadFile(filename)
 	if err != nil {
 		return "", err
 	}
diff --git a/xsettings/xsettings_dpi.go b/xsettings/xsettings_dpi.go
index ff37db6f..82e05776 100644
--- a/xsettings/xsettings_dpi.go
+++ b/xsettings/xsettings_dpi.go
@@ -6,7 +6,6 @@ package xsettings
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"path"
 	"strconv"
@@ -115,7 +114,7 @@ func (m *XSManager) updateFirefoxDPI() {
 }
 
 func getFirefoxConfigs(dir string) ([]string, error) {
-	finfos, err := ioutil.ReadDir(dir)
+	finfos, err := os.ReadDir(dir)
 	if err != nil {
 		return nil, err
 	}
@@ -131,7 +130,7 @@ func getFirefoxConfigs(dir string) ([]string, error) {
 }
 
 func setFirefoxDPI(value float64, src, dest string) error {
-	contents, err := ioutil.ReadFile(src)
+	contents, err := os.ReadFile(src)
 	if err != nil {
 		return err
 	}
@@ -164,5 +163,5 @@ func setFirefoxDPI(value float64, src, dest string) error {
 		lines[len(lines)-1] = target
 		lines = append(lines, tmp)
 	}
-	return ioutil.WriteFile(dest, []byte(strings.Join(lines, "\n")), 0644)
+	return os.WriteFile(dest, []byte(strings.Join(lines, "\n")), 0644)
 }
diff --git a/xsettings/xsettings_test.go b/xsettings/xsettings_test.go
index 7432de1f..f261f728 100644
--- a/xsettings/xsettings_test.go
+++ b/xsettings/xsettings_test.go
@@ -6,12 +6,11 @@ package xsettings
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 	"testing"
 
-	C "gopkg.in/check.v1"
 	"github.com/linuxdeepin/go-lib/utils"
+	C "gopkg.in/check.v1"
 )
 
 type testWrapper struct{}
@@ -229,7 +228,7 @@ user_pref("toolkit.telemetry.reportingpolicy.firstRun", false);
 			c.Check(utils.IsFileExist(info.dest), C.Equals, false)
 			continue
 		}
-		contents, err := ioutil.ReadFile(info.dest)
+		contents, err := os.ReadFile(info.dest)
 		if err != nil {
 			fmt.Println("Failed to read file:", err)
 			continue