diff --git a/main.go b/main.go
index 0f2ddee..7e870ca 100644
--- a/main.go
+++ b/main.go
@@ -22,16 +22,15 @@ import (
 	"time"
 
 	"main/utils/runv2"
-	"main/utils/structs"
 	"main/utils/runv3"
+	"main/utils/structs"
 
-	"github.com/spf13/pflag"
-	"github.com/zhaarey/go-mp4tag"
-	"gopkg.in/yaml.v2"
 	"github.com/beevik/etree"
 	"github.com/grafov/m3u8"
 	"github.com/olekukonko/tablewriter"
-
+	"github.com/spf13/pflag"
+	"github.com/zhaarey/go-mp4tag"
+	"gopkg.in/yaml.v2"
 )
 
 var (
@@ -228,7 +227,7 @@ func checkArtist(artistUrl string, token string, relationship string) ([]string,
 	table := tablewriter.NewWriter(os.Stdout)
 	if relationship == "albums" {
 		table.SetHeader([]string{"", "Album Name", "Date", "Album ID"})
-	}else if relationship == "music-videos" {
+	} else if relationship == "music-videos" {
 		table.SetHeader([]string{"", "MV Name", "Date", "MV ID"})
 	}
 	//table.SetFooter([]string{"", "", "Total", "$146.93"})
@@ -744,8 +743,8 @@ func rip(albumId string, token string, storefront string, mediaUserToken string,
 			}
 			if needCheck {
 				fullM3u8Url, err := checkM3u8(track.ID, "song")
-				if err == nil && strings.HasSuffix(fullM3u8Url, ".m3u8"){
-				    m3u8Url = fullM3u8Url
+				if err == nil && strings.HasSuffix(fullM3u8Url, ".m3u8") {
+					m3u8Url = fullM3u8Url
 				} else {
 					fmt.Println("Failed to get best quality m3u8 from device m3u8 port, will use m3u8 from Web API")
 				}
@@ -1001,7 +1000,7 @@ func rip(albumId string, token string, storefront string, mediaUserToken string,
 		//table.SetFooter([]string{"", "", "Footer", "Footer4"})
 		table.SetRowLine(false)
 		//table.SetAutoMergeCells(true)
-		table.SetCaption(meta.Data[0].Type == "albums", fmt.Sprintf("Storefront: %s, %d tracks missing", strings.ToUpper(storefront), meta.Data[0].Attributes.TrackCount -trackTotal))
+		table.SetCaption(meta.Data[0].Type == "albums", fmt.Sprintf("Storefront: %s, %d tracks missing", strings.ToUpper(storefront), meta.Data[0].Attributes.TrackCount-trackTotal))
 		table.SetHeaderColor(tablewriter.Colors{tablewriter.Bold, tablewriter.BgGreenColor},
 			tablewriter.Colors{tablewriter.FgHiRedColor, tablewriter.Bold, tablewriter.BgBlackColor},
 			tablewriter.Colors{tablewriter.BgRedColor, tablewriter.FgWhiteColor},
@@ -1369,6 +1368,9 @@ func mvDownloader(adamID string, saveDir string, token string, storefront string
 	}
 
 	mvm3u8url, _, _ := runv3.GetWebplayback(adamID, token, mediaUserToken, true)
+	if mvm3u8url == "" {
+		return errors.New("media-user-token may wrong or expired.")
+	}
 
 	os.MkdirAll(saveDir, os.ModePerm)
 	//video
@@ -1428,6 +1430,26 @@ func mvDownloader(adamID string, saveDir string, token string, storefront string
 		//tags = append(tags, fmt.Sprintf("album_artist=%s", MVInfo.Data[0].Attributes.ArtistName))
 		tags = append(tags, fmt.Sprintf("performer=%s", MVInfo.Data[0].Attributes.ArtistName))
 	}
+
+	// Extract and save thumbnail if enabled
+	if Config.SaveThumbnailImage {
+		// Get the highest quality thumbnail URL from the MV info
+		thumbURL := MVInfo.Data[0].Attributes.Artwork.URL
+		thumbURL = strings.Replace(thumbURL, "{w}x{h}", Config.CoverSize, 1)
+
+		// Generate base name without extension
+		baseThumbName := forbiddenNames.ReplaceAllString(mvSaveName, "_") + "_thumbnail"
+
+		// Download and save thumbnail
+		err = writeCover(saveDir, baseThumbName, thumbURL)
+		if err != nil {
+			fmt.Println("Failed to save MV thumbnail:", err)
+		} else {
+			fmt.Println("MV thumbnail saved successfully")
+			tags = append(tags, fmt.Sprintf("cover=%s/%s.%s", saveDir, baseThumbName, Config.CoverFormat))
+		}
+	}
+
 	//mux and add tag
 	tagsString := strings.Join(tags, ":")
 	muxCmd := exec.Command("MP4Box", "-itags", tagsString, "-quiet", "-add", vidPath, "-add", audPath, "-keep-utc", "-new", mvOutPath)
@@ -1440,24 +1462,6 @@ func mvDownloader(adamID string, saveDir string, token string, storefront string
 	defer os.Remove(vidPath)
 	defer os.Remove(audPath)
 
-	// Extract and save thumbnail if enabled
-	if Config.SaveThumbnailImage {
-		// Get the highest quality thumbnail URL from the MV info
-		thumbURL := MVInfo.Data[0].Attributes.Artwork.URL
-		thumbURL = strings.Replace(thumbURL, "{w}x{h}", Config.CoverSize, 1)
-		
-		// Generate base name without extension
-		baseThumbName := forbiddenNames.ReplaceAllString(mvSaveName, "_") + "_thumbnail"
-		
-		// Download and save thumbnail
-		err = writeCover(saveDir, baseThumbName, thumbURL)
-		if err != nil {
-			fmt.Println("Failed to save MV thumbnail:", err)
-		} else {
-			fmt.Println("MV thumbnail saved successfully")
-		}
-	}
-
 	return nil
 }
 
@@ -1785,7 +1789,7 @@ func extractMedia(b string, more_mode bool) (string, string, error) {
 	}
 	resp, err := http.Get(b)
 	if err != nil {
-		return "", "",err
+		return "", "", err
 	}
 	defer resp.Body.Close()
 	if resp.StatusCode != http.StatusOK {
@@ -1809,9 +1813,9 @@ func extractMedia(b string, more_mode bool) (string, string, error) {
 		fmt.Println("\nDebug: All Available Variants:")
 		var data [][]string
 		for _, variant := range master.Variants {
-		    data = append(data, []string{variant.Codecs, variant.Audio, fmt.Sprint(variant.Bandwidth)})
+			data = append(data, []string{variant.Codecs, variant.Audio, fmt.Sprint(variant.Bandwidth)})
 			//fmt.Printf("Codec: %s, Audio: %s, Bandwidth: %d\n",
-				//variant.Codecs, variant.Audio, variant.Bandwidth)
+			//variant.Codecs, variant.Audio, variant.Bandwidth)
 		}
 		table := tablewriter.NewWriter(os.Stdout)
 		table.SetHeader([]string{"Codec", "Audio", "Bandwidth"})
diff --git a/utils/runv3/runv3.go b/utils/runv3/runv3.go
index 3c529b2..50d90ef 100644
--- a/utils/runv3/runv3.go
+++ b/utils/runv3/runv3.go
@@ -4,25 +4,29 @@ import (
 	"context"
 	"encoding/base64"
 	"fmt"
+
 	"github.com/gospider007/requests"
 	"google.golang.org/protobuf/proto"
+
 	//"log/slog"
-	"os"
 	cdm "main/utils/runv3/cdm"
 	key "main/utils/runv3/key"
+	"os"
+
+	"bytes"
+	"errors"
+	"io"
 
 	"github.com/Eyevinn/mp4ff/mp4"
-	"bytes"
-	"io"
-	"errors"
 
 	//"io/ioutil"
-	"net/http"
 	"encoding/json"
-	"github.com/grafov/m3u8"
-	"strings"
-	"github.com/schollz/progressbar/v3"
+	"net/http"
 	"os/exec"
+	"strings"
+
+	"github.com/grafov/m3u8"
+	"github.com/schollz/progressbar/v3"
 )
 
 type PlaybackLicense struct {
@@ -32,24 +36,24 @@ type PlaybackLicense struct {
 	Status     int    `json:"status"`
 }
 
-// func log() {
-// 	f, err := os.OpenFile("log.txt", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
-// 	if err != nil {
-// 		slog.Error("error opening file: %s", err)
-// 	}
-// 	defer func(f *os.File) {
-// 		err := f.Close()
-// 		if err != nil {
-// 			slog.Error("error closing file: %s", err)
-// 		}
-// 	}(f)
-// 	opts := slog.HandlerOptions{
-// 		AddSource: true,
-// 		Level:     slog.LevelDebug,
-// 	}
-// 	logger := slog.New(slog.NewJSONHandler(os.Stdout, &opts))
-// 	slog.SetDefault(logger)
-//}
+//	func log() {
+//		f, err := os.OpenFile("log.txt", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
+//		if err != nil {
+//			slog.Error("error opening file: %s", err)
+//		}
+//		defer func(f *os.File) {
+//			err := f.Close()
+//			if err != nil {
+//				slog.Error("error closing file: %s", err)
+//			}
+//		}(f)
+//		opts := slog.HandlerOptions{
+//			AddSource: true,
+//			Level:     slog.LevelDebug,
+//		}
+//		logger := slog.New(slog.NewJSONHandler(os.Stdout, &opts))
+//		slog.SetDefault(logger)
+//	}
 func getPSSH(contentId string, kidBase64 string) (string, error) {
 	kidBytes, err := base64.StdEncoding.DecodeString(kidBase64)
 	if err != nil {
@@ -145,10 +149,10 @@ func GetWebplayback(adamId string, authtoken string, mutoken string, mvmode bool
 		fmt.Println("json err:", err)
 		return "", "", err
 	}
-	if mvmode {
-		return obj.List[0].HlsPlaylistUrl, "", nil
-	}
 	if len(obj.List) > 0 {
+		if mvmode {
+			return obj.List[0].HlsPlaylistUrl, "", nil
+		}
 		// 遍历 Assets
 		for i, _ := range obj.List[0].Assets {
 			if obj.List[0].Assets[i].Flavor == "28:ctrp256" {
@@ -163,15 +167,16 @@ func GetWebplayback(adamId string, authtoken string, mutoken string, mvmode bool
 	}
 	return "", "", nil
 }
+
 type Songlist struct {
 	List []struct {
-		Hlsurl string `json:"hls-key-cert-url"`
+		Hlsurl         string `json:"hls-key-cert-url"`
 		HlsPlaylistUrl string `json:"hls-playlist-url"`
-		Assets []struct {
+		Assets         []struct {
 			Flavor string `json:"flavor"`
-			URL string `json:"URL"`
-		}`json:"assets"`
-	}`json:"songList"`
+			URL    string `json:"URL"`
+		} `json:"assets"`
+	} `json:"songList"`
 	Status int `json:"status"`
 }
 
@@ -202,9 +207,9 @@ func extractKidBase64(b string, mvmode bool) (string, string, error) {
 			kidbase64 = split[1]
 			lastSlashIndex := strings.LastIndex(b, "/")
 			// 截取最后一个斜杠之前的部分
-        		urlBuilder.WriteString(b[:lastSlashIndex])
-        		urlBuilder.WriteString("/")
-       			urlBuilder.WriteString(mediaPlaylist.Map.URI)
+			urlBuilder.WriteString(b[:lastSlashIndex])
+			urlBuilder.WriteString("/")
+			urlBuilder.WriteString(mediaPlaylist.Map.URI)
 			//fileurl = b[:lastSlashIndex] + "/" + mediaPlaylist.Map.URI
 			//fmt.Println("Extracted URI:", mediaPlaylist.Map.URI)
 			if mvmode {
@@ -212,9 +217,9 @@ func extractKidBase64(b string, mvmode bool) (string, string, error) {
 					if segment != nil {
 						//fmt.Println("Extracted URI:", segment.URI)
 						urlBuilder.WriteString(";")
-        					urlBuilder.WriteString(b[:lastSlashIndex])
-        					urlBuilder.WriteString("/")
-       						urlBuilder.WriteString(segment.URI)
+						urlBuilder.WriteString(b[:lastSlashIndex])
+						urlBuilder.WriteString("/")
+						urlBuilder.WriteString(segment.URI)
 						//fileurl = fileurl + ";" + b[:lastSlashIndex] + "/" + segment.URI
 					}
 				}
@@ -227,7 +232,7 @@ func extractKidBase64(b string, mvmode bool) (string, string, error) {
 	}
 	return kidbase64, urlBuilder.String(), nil
 }
-func extsong(b string)(bytes.Buffer){
+func extsong(b string) bytes.Buffer {
 	resp, err := http.Get(b)
 	if err != nil {
 		fmt.Printf("下载文件失败: %v\n", err)
@@ -255,8 +260,8 @@ func extsong(b string)(bytes.Buffer){
 	io.Copy(io.MultiWriter(&buffer, bar), resp.Body)
 	return buffer
 }
-func Run(adamId string, trackpath string, authtoken string, mutoken string, mvmode bool)(string, error) {
-	var keystr string   //for mv key
+func Run(adamId string, trackpath string, authtoken string, mutoken string, mvmode bool) (string, error) {
+	var keystr string //for mv key
 	var fileurl string
 	var kidBase64 string
 	var err error
@@ -281,7 +286,7 @@ func Run(adamId string, trackpath string, authtoken string, mutoken string, mvmo
 		return "", err
 	}
 	headers := map[string]interface{}{
-		"authorization": "Bearer " + authtoken,
+		"authorization":            "Bearer " + authtoken,
 		"x-apple-music-user-token": mutoken,
 	}
 	client, _ := requests.NewClient(nil, requests.ClientOption{
@@ -330,7 +335,7 @@ func Run(adamId string, trackpath string, authtoken string, mutoken string, mvmo
 	return "", nil
 }
 
-func ExtMvData (keyAndUrls string, savePath string)(error) {
+func ExtMvData(keyAndUrls string, savePath string) error {
 	segments := strings.Split(keyAndUrls, ";")
 	key := segments[0]
 	//fmt.Println(key)
@@ -345,7 +350,7 @@ func ExtMvData (keyAndUrls string, savePath string)(error) {
 
 	// 依次下载每个链接并写入文件
 	bar := progressbar.DefaultBytes(
-    		-1,
+		-1,
 		"Downloading...",
 	)
 	barWriter := io.MultiWriter(tempFile, bar)
@@ -384,7 +389,6 @@ func ExtMvData (keyAndUrls string, savePath string)(error) {
 	return nil
 }
 
-
 // DecryptMP4 decrypts a fragmented MP4 file with keys from widevice license. Supports CENC and CBCS schemes.
 func DecryptMP4(r io.Reader, key []byte, w io.Writer) error {
 	// Initialization