diff --git a/config.yml b/config.yml
index 69e7a2d..dec4f79 100644
--- a/config.yml
+++ b/config.yml
@@ -11,8 +11,15 @@ log:
 feature:
   use_native_flv_parser: false
 live_rooms:
+# qulity参数目前仅B站启用，默认为0
+# (B站)0代表原画PRO(HEVC)优先, 其他数值为原画(AVC)
+# 原画PRO会保存为.ts文件, 原画为.flv
+# HEVC相比AVC体积更小, 减少35%体积, 画质相当, 但是B站转码有时候会崩
 - url: https://www.lang.live/room/5664344
   is_listening: false
+- url: https://live.bilibili.com/22603245
+  is_listening: true
+  quality: 0 
 out_put_tmpl: ""
 video_split_strategies:
   on_room_name_changed: false
diff --git a/src/cmd/bililive/bililive.go b/src/cmd/bililive/bililive.go
index c9c709f..4ec0e5e 100644
--- a/src/cmd/bililive/bililive.go
+++ b/src/cmd/bililive/bililive.go
@@ -108,6 +108,7 @@ func main() {
 		if v, ok := inst.Config.Cookies[u.Host]; ok {
 			opts = append(opts, live.WithKVStringCookies(u, v))
 		}
+		opts = append(opts, live.WithQuality(room.Quality))
 		l, err := live.New(u, inst.Cache, opts...)
 		if err != nil {
 			logger.WithField("url", room).Error(err.Error())
diff --git a/src/configs/config.go b/src/configs/config.go
index 3378021..fcf5c1e 100644
--- a/src/configs/config.go
+++ b/src/configs/config.go
@@ -83,6 +83,7 @@ type LiveRoom struct {
 	Url         string  `yaml:"url"`
 	IsListening bool    `yaml:"is_listening"`
 	LiveId      live.ID `yaml:"-"`
+	Quality     int     `yaml:"quality"`
 }
 
 type liveRoomAlias LiveRoom
@@ -112,6 +113,7 @@ func NewLiveRoomsWithStrings(strings []string) []LiveRoom {
 	for index, url := range strings {
 		liveRooms[index].Url = url
 		liveRooms[index].IsListening = true
+		liveRooms[index].Quality = 0
 	}
 	return liveRooms
 }
diff --git a/src/live/bilibili/bilibili.go b/src/live/bilibili/bilibili.go
index 468a22b..809d769 100644
--- a/src/live/bilibili/bilibili.go
+++ b/src/live/bilibili/bilibili.go
@@ -1,6 +1,7 @@
 package bilibili
 
 import (
+	"fmt"
 	"net/http"
 	"net/url"
 	"strings"
@@ -17,10 +18,10 @@ const (
 	domain = "live.bilibili.com"
 	cnName = "哔哩哔哩"
 
-	roomInitUrl = "https://api.live.bilibili.com/room/v1/Room/room_init"
-	roomApiUrl  = "https://api.live.bilibili.com/room/v1/Room/get_info"
-	userApiUrl  = "https://api.live.bilibili.com/live_user/v1/UserInfo/get_anchor_in_room"
-	liveApiUrl  = "https://api.live.bilibili.com/room/v1/Room/playUrl"
+	roomInitUrl  = "https://api.live.bilibili.com/room/v1/Room/room_init"
+	roomApiUrl   = "https://api.live.bilibili.com/room/v1/Room/get_info"
+	userApiUrl   = "https://api.live.bilibili.com/live_user/v1/UserInfo/get_anchor_in_room"
+	liveApiUrlv2 = "https://api.live.bilibili.com/xlive/web-room/v2/index/getRoomPlayInfo"
 )
 
 func init() {
@@ -134,11 +135,9 @@ func (l *Live) GetStreamUrls() (us []*url.URL, err error) {
 	for _, item := range cookies {
 		cookieKVs[item.Name] = item.Value
 	}
-	resp, err := requests.Get(liveApiUrl, live.CommonUserAgent, requests.Queries(map[string]string{
-		"cid":      l.realID,
-		"quality":  "4",
-		"platform": "web",
-	}), requests.Cookies(cookieKVs))
+	query := fmt.Sprintf("?room_id=%s&protocol=0,1&format=0,1,2&codec=0,1&qn=10000&platform=web&ptype=8&dolby=5&panorama=1", l.realID)
+	resp, err := requests.Get(liveApiUrlv2+query, live.CommonUserAgent, requests.Cookies(cookieKVs))
+
 	if err != nil {
 		return nil, err
 	}
@@ -150,10 +149,23 @@ func (l *Live) GetStreamUrls() (us []*url.URL, err error) {
 		return nil, err
 	}
 	urls := make([]string, 0, 4)
-	gjson.GetBytes(body, "data.durl.#.url").ForEach(func(_, value gjson.Result) bool {
-		urls = append(urls, value.String())
+
+	addr := ""
+
+	if l.Options.Quality == 0 && gjson.GetBytes(body, "data.playurl_info.playurl.stream.1.format.1.codec.#").Int() > 1 {
+		addr = "data.playurl_info.playurl.stream.1.format.1.codec.1" // hevc m3u8
+	} else {
+		addr = "data.playurl_info.playurl.stream.0.format.0.codec.0" // avc flv
+	}
+
+	baseURL := gjson.GetBytes(body, addr+".base_url").String()
+	gjson.GetBytes(body, addr+".url_info").ForEach(func(_, value gjson.Result) bool {
+		hosts := gjson.Get(value.String(), "host").String()
+		queries := gjson.Get(value.String(), "extra").String()
+		urls = append(urls, hosts+baseURL+queries)
 		return true
 	})
+
 	return utils.GenUrls(urls...)
 }
 
diff --git a/src/live/lives.go b/src/live/lives.go
index 5d7d91b..64dbde5 100755
--- a/src/live/lives.go
+++ b/src/live/lives.go
@@ -31,6 +31,7 @@ type Builder interface {
 
 type Options struct {
 	Cookies *cookiejar.Jar
+	Quality int
 }
 
 func NewOptions(opts ...Option) (*Options, error) {
@@ -38,7 +39,7 @@ func NewOptions(opts ...Option) (*Options, error) {
 	if err != nil {
 		return nil, err
 	}
-	options := &Options{Cookies: cookieJar}
+	options := &Options{Cookies: cookieJar, Quality: 0}
 	for _, opt := range opts {
 		opt(options)
 	}
@@ -72,6 +73,12 @@ func WithKVStringCookies(u *url.URL, cookies string) Option {
 	}
 }
 
+func WithQuality(quality int) Option {
+	return func(opts *Options) {
+		opts.Quality = quality
+	}
+} 
+
 type ID string
 
 type Live interface {
diff --git a/src/pkg/parser/ffmpeg/ffmpeg.go b/src/pkg/parser/ffmpeg/ffmpeg.go
index a99b818..a57e2a9 100644
--- a/src/pkg/parser/ffmpeg/ffmpeg.go
+++ b/src/pkg/parser/ffmpeg/ffmpeg.go
@@ -138,7 +138,6 @@ func (p *Parser) ParseLiveStream(ctx context.Context, url *url.URL, live live.Li
 		"-i", url.String(),
 		"-c", "copy",
 		"-bsf:a", "aac_adtstoasc",
-		"-f", "flv",
 		file,
 	)
 	if p.cmdStdIn, err = p.cmd.StdinPipe(); err != nil {
diff --git a/src/recorders/recorder.go b/src/recorders/recorder.go
index 1882091..a20de11 100644
--- a/src/recorders/recorder.go
+++ b/src/recorders/recorder.go
@@ -120,6 +120,7 @@ func (r *recorder) tryRecord(ctx context.Context) {
 			tmpl = _tmpl
 		}
 	}
+
 	buf := new(bytes.Buffer)
 	if err = tmpl.Execute(buf, info); err != nil {
 		panic(fmt.Sprintf("failed to render filename, err: %v", err))
@@ -127,6 +128,11 @@ func (r *recorder) tryRecord(ctx context.Context) {
 	fileName := filepath.Join(r.OutPutPath, buf.String())
 	outputPath, _ := filepath.Split(fileName)
 	url := urls[0]
+
+	if strings.Contains(url.Path, "m3u8") {
+		fileName = fileName[:len(fileName)-4]+".ts"
+	}
+
 	if err = mkdir(outputPath); err != nil {
 		r.getLogger().WithError(err).Errorf("failed to create output path[%s]", outputPath)
 		return