diff --git a/assets/translation.json b/assets/translation.json
index 70e176c..828cd7e 100644
--- a/assets/translation.json
+++ b/assets/translation.json
@@ -4,6 +4,30 @@
     "zh-CN"
   ],
   "Messages": {
+    "gui.config.basic.audio_device": {
+      "en": "Audio Device",
+      "zh-CN": "音频输出设备"
+    },
+    "gui.config.basic.description": {
+      "en": "Basic Configuration",
+      "zh-CN": "基础设置"
+    },
+    "gui.config.basic.random_playlist": {
+      "en": "Playlist Random",
+      "zh-CN": "播放列表随机设置(打勾表示随机播放)"
+    },
+    "gui.config.basic.random_playlist.system": {
+      "en": "System Playlist",
+      "zh-CN": "闲置歌单"
+    },
+    "gui.config.basic.random_playlist.user": {
+      "en": "User Playlist",
+      "zh-CN": "用户歌单"
+    },
+    "gui.config.basic.title": {
+      "en": "Basic",
+      "zh-CN": "基础设置"
+    },
     "gui.player.button.lrc": {
       "en": "lrc",
       "zh-CN": "歌词"
diff --git a/config/config.go b/config/config.go
index 602625f..8f5b748 100644
--- a/config/config.go
+++ b/config/config.go
@@ -6,7 +6,7 @@ import (
 	"path"
 )
 
-const VERSION = "alpha 0.6.5"
+const VERSION = "alpha 0.6.7"
 
 const CONFIG_PATH = "./config.ini"
 const Assests_PATH = "./assets"
diff --git a/config/config_player.go b/config/config_player.go
index b57ec52..7537e04 100644
--- a/config/config_player.go
+++ b/config/config_player.go
@@ -5,6 +5,8 @@ type _PlayerConfig struct {
 	PlaylistsProvider []string
 	PlaylistIndex     int
 	PlaylistRandom    bool
+	AudioDevice       string
+	Volume            float64
 }
 
 func (c *_PlayerConfig) Name() string {
@@ -16,4 +18,6 @@ var Player = &_PlayerConfig{
 	PlaylistsProvider: []string{"netease", "netease", "netease"},
 	PlaylistIndex:     0,
 	PlaylistRandom:    true,
+	AudioDevice:       "auto",
+	Volume:            100,
 }
diff --git a/controller/controller.go b/controller/controller.go
index c812b0c..61628af 100644
--- a/controller/controller.go
+++ b/controller/controller.go
@@ -19,99 +19,6 @@ func l() *logrus.Entry {
 	return logger.Logger.WithField("Module", MODULE_CONTROLLER)
 }
 
-func PlayNext() {
-	l().Info("try to play next possible media")
-	if UserPlaylist.Size() == 0 && SystemPlaylist.Size() == 0 {
-		return
-	}
-	var media *player.Media
-	if UserPlaylist.Size() != 0 {
-		media = UserPlaylist.Pop()
-	} else if SystemPlaylist.Size() != 0 {
-		media = SystemPlaylist.Next()
-	}
-	Play(media)
-}
-
-func Play(media *player.Media) {
-	l().Info("prepare media")
-	err := PrepareMedia(media)
-	if err != nil {
-		l().Warn("prepare media failed. try play next")
-		PlayNext()
-		return
-	}
-	CurrentMedia = media
-	if err := MainPlayer.Play(media); err != nil {
-		l().Warn("play failed", err)
-	}
-	CurrentLyric.Reload(media.Lyric)
-	// reset
-	media.Url = ""
-}
-
-func Add(keyword string, user interface{}) {
-	medias, err := Search(keyword)
-	if err != nil {
-		l().Warnf("search for %s, got error %s", keyword, err)
-		return
-	}
-	if len(medias) == 0 {
-		l().Info("search for %s, got no result", keyword)
-		return
-	}
-	media := medias[0]
-	media.User = user
-	l().Infof("add media %s (%s)", media.Title, media.Artist)
-	UserPlaylist.Insert(-1, media)
-}
-
-func AddWithProvider(keyword string, pname string, user interface{}) {
-	medias, err := provider.Search(pname, keyword)
-	if err != nil {
-		l().Warnf("search for %s, got error %s", keyword, err)
-		return
-	}
-	if len(medias) == 0 {
-		l().Info("search for %s, got no result", keyword)
-	}
-	media := medias[0]
-	media.User = user
-	l().Info("add media %s (%s)", media.Title, media.Artist)
-	UserPlaylist.Insert(-1, media)
-}
-
-func Seek(position float64, absolute bool) {
-	if err := MainPlayer.Seek(position, absolute); err != nil {
-		l().Warnf("seek to position %f (%t) failed, %s", position, absolute, err)
-	}
-}
-
-func Toggle() (b bool) {
-	var err error
-	if MainPlayer.IsPaused() {
-		err = MainPlayer.Unpause()
-		b = false
-	} else {
-		err = MainPlayer.Pause()
-		b = true
-	}
-	if err != nil {
-		l().Warn("toggle failed", err)
-	}
-	return
-}
-
-func SetVolume(volume float64) {
-	if MainPlayer.SetVolume(volume) != nil {
-		l().Warnf("set mpv volume to %f failed", volume)
-	}
-}
-
-func Destroy() {
-	MainPlayer.Stop()
-}
-
 func SetDanmuClient(roomId string) {
 	ResetDanmuClient()
 	l().Infof("setting live client for %s", roomId)
diff --git a/controller/global.go b/controller/global.go
index 4084e83..aa3d581 100644
--- a/controller/global.go
+++ b/controller/global.go
@@ -19,6 +19,8 @@ var CurrentMedia *player.Media
 func Initialize() {
 
 	MainPlayer = player.NewPlayer()
+	SetAudioDevice(config.Player.AudioDevice)
+	SetVolume(config.Player.Volume)
 	UserPlaylist = player.NewPlaylist("user", player.PlaylistConfig{RandomNext: false})
 	SystemPlaylist = player.NewPlaylist("system", player.PlaylistConfig{RandomNext: config.Player.PlaylistRandom})
 	PlaylistManager = make([]*player.Playlist, 0)
@@ -29,6 +31,7 @@ func Initialize() {
 	UserPlaylist.Handler.RegisterA(player.EventPlaylistInsert, "controller.playnextwhenadd", handlePlaylistAdd)
 	MainPlayer.ObserveProperty("time-pos", handleLyricUpdate)
 	MainPlayer.Start()
+
 }
 
 func loadPlaylists() {
diff --git a/controller/player.go b/controller/player.go
new file mode 100644
index 0000000..82b6941
--- /dev/null
+++ b/controller/player.go
@@ -0,0 +1,121 @@
+package controller
+
+import (
+	"AynaLivePlayer/config"
+	"AynaLivePlayer/player"
+	"AynaLivePlayer/provider"
+)
+
+func PlayNext() {
+	l().Info("try to play next possible media")
+	if UserPlaylist.Size() == 0 && SystemPlaylist.Size() == 0 {
+		return
+	}
+	var media *player.Media
+	if UserPlaylist.Size() != 0 {
+		media = UserPlaylist.Pop()
+	} else if SystemPlaylist.Size() != 0 {
+		media = SystemPlaylist.Next()
+	}
+	Play(media)
+}
+
+func Play(media *player.Media) {
+	l().Info("prepare media")
+	err := PrepareMedia(media)
+	if err != nil {
+		l().Warn("prepare media failed. try play next")
+		PlayNext()
+		return
+	}
+	CurrentMedia = media
+	if err := MainPlayer.Play(media); err != nil {
+		l().Warn("play failed", err)
+	}
+	CurrentLyric.Reload(media.Lyric)
+	// reset
+	media.Url = ""
+}
+
+func Add(keyword string, user interface{}) {
+	medias, err := Search(keyword)
+	if err != nil {
+		l().Warnf("search for %s, got error %s", keyword, err)
+		return
+	}
+	if len(medias) == 0 {
+		l().Info("search for %s, got no result", keyword)
+		return
+	}
+	media := medias[0]
+	media.User = user
+	l().Infof("add media %s (%s)", media.Title, media.Artist)
+	UserPlaylist.Insert(-1, media)
+}
+
+func AddWithProvider(keyword string, pname string, user interface{}) {
+	medias, err := provider.Search(pname, keyword)
+	if err != nil {
+		l().Warnf("search for %s, got error %s", keyword, err)
+		return
+	}
+	if len(medias) == 0 {
+		l().Info("search for %s, got no result", keyword)
+	}
+	media := medias[0]
+	media.User = user
+	l().Info("add media %s (%s)", media.Title, media.Artist)
+	UserPlaylist.Insert(-1, media)
+}
+
+func Seek(position float64, absolute bool) {
+	if err := MainPlayer.Seek(position, absolute); err != nil {
+		l().Warnf("seek to position %f (%t) failed, %s", position, absolute, err)
+	}
+}
+
+func Toggle() (b bool) {
+	var err error
+	if MainPlayer.IsPaused() {
+		err = MainPlayer.Unpause()
+		b = false
+	} else {
+		err = MainPlayer.Pause()
+		b = true
+	}
+	if err != nil {
+		l().Warn("toggle failed", err)
+	}
+	return
+}
+
+func SetVolume(volume float64) {
+	if MainPlayer.SetVolume(volume) != nil {
+		l().Warnf("set mpv volume to %f failed", volume)
+		return
+	}
+	config.Player.Volume = volume
+}
+
+func Destroy() {
+	MainPlayer.Stop()
+}
+
+func GetAudioDevices() []player.AudioDevice {
+	dl, err := MainPlayer.GetAudioDeviceList()
+	if err != nil {
+		return make([]player.AudioDevice, 0)
+	}
+	return dl
+}
+
+func SetAudioDevice(device string) {
+	l().Infof("set audio device to %s", device)
+	if err := MainPlayer.SetAudioDevice(device); err != nil {
+		l().Warnf("set mpv audio device to %s failed, %s", device, err)
+		MainPlayer.SetAudioDevice("auto")
+		config.Player.AudioDevice = "auto"
+		return
+	}
+	config.Player.AudioDevice = device
+}
diff --git a/gui/config_basic.go b/gui/config_basic.go
index 09bc158..30f20f3 100644
--- a/gui/config_basic.go
+++ b/gui/config_basic.go
@@ -1,20 +1,54 @@
 package gui
 
 import (
+	"AynaLivePlayer/config"
+	"AynaLivePlayer/controller"
+	"AynaLivePlayer/i18n"
 	"fyne.io/fyne/v2"
+	"fyne.io/fyne/v2/container"
+	"fyne.io/fyne/v2/data/binding"
+	"fyne.io/fyne/v2/widget"
 )
 
-type bascicConfig struct{}
-
-func (b bascicConfig) Title() string {
-	return "Basic"
+type bascicConfig struct {
+	panel fyne.CanvasObject
 }
 
-func (b bascicConfig) Description() string {
-	return "Basic configuration"
+func (b *bascicConfig) Title() string {
+	return i18n.T("gui.config.basic.title")
 }
 
-func (b bascicConfig) Create() fyne.CanvasObject {
-	//TODO implement me
-	panic("implement me")
+func (b *bascicConfig) Description() string {
+	return i18n.T("gui.config.basic.description")
+}
+
+func (b *bascicConfig) CreatePanel() fyne.CanvasObject {
+	if b.panel != nil {
+		return b.panel
+	}
+	randomPlaylist := container.NewHBox(
+		widget.NewLabel(i18n.T("gui.config.basic.random_playlist")),
+		widget.NewCheckWithData(
+			i18n.T("gui.config.basic.random_playlist.user"),
+			binding.BindBool(&controller.UserPlaylist.Config.RandomNext)),
+		widget.NewCheckWithData(
+			i18n.T("gui.config.basic.random_playlist.system"),
+			binding.BindBool(&controller.SystemPlaylist.Config.RandomNext)),
+	)
+	devices := controller.GetAudioDevices()
+	deviceDesc := make([]string, len(devices))
+	deviceDesc2Name := make(map[string]string)
+	for i, device := range devices {
+		deviceDesc[i] = device.Description
+		deviceDesc2Name[device.Description] = device.Name
+	}
+	deviceSel := widget.NewSelect(deviceDesc, func(s string) {
+		controller.SetAudioDevice(deviceDesc2Name[s])
+	})
+	deviceSel.Selected = config.Player.AudioDevice
+	outputDevice := container.NewBorder(nil, nil,
+		widget.NewLabel(i18n.T("gui.config.basic.audio_device")), nil,
+		deviceSel)
+	b.panel = container.NewVBox(randomPlaylist, outputDevice)
+	return b.panel
 }
diff --git a/gui/gui.go b/gui/gui.go
index c23dda1..3855390 100644
--- a/gui/gui.go
+++ b/gui/gui.go
@@ -22,7 +22,7 @@ type ConfigLayout interface {
 
 var App fyne.App
 var MainWindow fyne.Window
-var ConfigList = []ConfigLayout{}
+var ConfigList = []ConfigLayout{&bascicConfig{}}
 
 func l() *logrus.Entry {
 	return logger.Logger.WithField("Module", MODULE_GUI)
diff --git a/gui/player_controller.go b/gui/player_controller.go
index 3472caa..01c6498 100644
--- a/gui/player_controller.go
+++ b/gui/player_controller.go
@@ -141,6 +141,7 @@ func registerPlayControllerHandler() {
 		l().Error("fail to register handler for progress bar with property idle-active")
 	}
 
+	PlayController.Progress.Max = 0
 	PlayController.Progress.OnChanged = func(f float64) {
 		controller.Seek(f/10, false)
 	}
diff --git a/gui/player_playlist.go b/gui/player_playlist.go
index d0cdac4..9cdf4b0 100644
--- a/gui/player_playlist.go
+++ b/gui/player_playlist.go
@@ -25,7 +25,7 @@ func (b *playlistOperationButton) Tapped(e *fyne.PointEvent) {
 func newPlaylistOperationButton() *playlistOperationButton {
 	b := &playlistOperationButton{Index: 0}
 	deleteItem := fyne.NewMenuItem(i18n.T("gui.player.playlist.op.delete"), func() {
-		fmt.Println("delete", b.Index)
+		controller.UserPlaylist.Delete(b.Index)
 	})
 	topItem := fyne.NewMenuItem(i18n.T("gui.player.playlist.op.top"), func() {
 		controller.UserPlaylist.Move(b.Index, 0)
diff --git a/player/player.go b/player/player.go
index 991d4e4..3f83db6 100644
--- a/player/player.go
+++ b/player/player.go
@@ -6,6 +6,7 @@ import (
 	"AynaLivePlayer/util"
 	"github.com/aynakeya/go-mpv"
 	"github.com/sirupsen/logrus"
+	"github.com/tidwall/gjson"
 )
 
 const MODULE_PLAYER = "Player.Player"
@@ -154,3 +155,32 @@ func (p *Player) ObserveProperty(property string, handler ...PropertyHandlerFunc
 	}
 	return nil
 }
+
+type AudioDevice struct {
+	Name        string
+	Description string
+}
+
+// GetAudioDeviceList get output device for mpv
+// return format is []AudioDevice
+func (p *Player) GetAudioDeviceList() ([]AudioDevice, error) {
+	p.l().Trace("getting audio device list for mpv")
+	property, err := p.libmpv.GetProperty("audio-device-list", mpv.FORMAT_STRING)
+	if err != nil {
+		return nil, err
+	}
+	dl := make([]AudioDevice, 0)
+	gjson.Parse(property.(string)).ForEach(func(key, value gjson.Result) bool {
+		dl = append(dl, AudioDevice{
+			Name:        value.Get("name").String(),
+			Description: value.Get("description").String(),
+		})
+		return true
+	})
+	return dl, nil
+}
+
+func (p *Player) SetAudioDevice(device string) error {
+	p.l().Tracef("set audio device %s for mpv", device)
+	return p.libmpv.SetPropertyString("audio-device", device)
+}
diff --git a/player/playlist.go b/player/playlist.go
index 7fb0cbf..0768c43 100644
--- a/player/playlist.go
+++ b/player/playlist.go
@@ -58,7 +58,14 @@ func (p *Playlist) Pop() *Media {
 		return nil
 	}
 	p.Lock.Lock()
-	media := p.Playlist[0]
+	index := 0
+	if p.Config.RandomNext {
+		index = rand.Intn(p.Size())
+	}
+	media := p.Playlist[index]
+	for i := index; i > 0; i-- {
+		p.Playlist[i] = p.Playlist[i-1]
+	}
 	p.Playlist = p.Playlist[1:]
 	p.Lock.Unlock()
 	defer p.Handler.CallA(EventPlaylistUpdate, PlaylistUpdateEvent{Playlist: p})
diff --git a/todo.txt b/todo.txt
index 5fe9f82..ebe715b 100644
--- a/todo.txt
+++ b/todo.txt
@@ -5,15 +5,17 @@
 - @5 delete optimization
 
 - 歌词来源
-
 - 文本输出
 - web输出
+- 历史记录
+- 黑名单
 - 进入beta版本
 
 
 ----
 
 Finished
+- 2022.6.26: i18n
 - 2022.6.25: kuwo歌单
 - 2022.6.25: 设置界面
 - 2022.6.25: @6 bug, race condition, playlist size changed during playlist update.