diff --git a/cmd/run.go b/cmd/run.go
index 95488f3..5f58f3a 100644
--- a/cmd/run.go
+++ b/cmd/run.go
@@ -8,6 +8,7 @@ import (
 	"ycmediakit/internal/app/ffmpeg"
 	"ycmediakit/internal/pkg/config"
 	"ycmediakit/internal/pkg/global"
+	"ycmediakit/internal/pkg/server/ffmpegServer"
 	"ycmediakit/internal/pkg/server/systemServer"
 	"ycmediakit/internal/pkg/util"
 	"ycmediakit/middleware"
@@ -26,6 +27,7 @@ var (
 
 var (
 	payloadServer *systemServer.PayloadServer
+	toHlsServer   *ffmpegServer.ToHlsServer
 )
 
 func init() {
@@ -42,6 +44,7 @@ func initAttr() {
 
 func initServer() {
 	payloadServer = global.PayloadServer
+	toHlsServer = global.ToHlsServer
 }
 
 func initEngine() {
@@ -52,21 +55,26 @@ func initEngine() {
 	engine.Use(middleware.Cors())
 	engine.Use(middleware.GinLogger(log), middleware.GinRecovery(log, true))
 	engine.Use(middleware.HttpInterceptor())
-	engineBindFS()
-	engineBindRouters()
+	initFfmpegServices()
 }
 
-func engineBindFS() {
+func initFfmpegServices() {
 	fCfg := &aCfg.Ffmpeg
-	hlsPath := filepath.Join(util.GetWorkPath(), fCfg.ToHls.HlsRoot)
-	_, _ = util.CheckDir(hlsPath)
-	engine.StaticFS("/"+fCfg.ToHls.HlsRoot, http.Dir(hlsPath))
-}
+	ffmpegGroup := engine.Group("/ffmpeg")
+	if payloadServer.Cfg.Enable {
+		ffmpegGroup.Use(middleware.ProbePayloadInterceptor(payloadServer))
+	}
+	ffmpeg.BindRouters(ffmpegGroup)
 
-func engineBindRouters() {
-	group := engine.Group("/ffmpeg")
-	group.Use(middleware.ProbePayloadInterceptor(payloadServer))
-	ffmpeg.BindRouters(group)
+	toHlsCfg := &fCfg.ToHls
+	hlsPath := filepath.Join(util.GetWorkPath(), toHlsCfg.HlsRoot)
+	_, _ = util.CheckDir(hlsPath)
+	hlsGroup := engine.Group("/" + toHlsCfg.HlsRoot)
+	if toHlsServer.Cfg.Keepalive.Enable {
+		hlsGroup.Use(middleware.KeepAliveToHlsInterceptor(toHlsServer.Supervisor))
+		ffmpegGroup.Use(middleware.ProbePayloadInterceptor(payloadServer))
+	}
+	hlsGroup.StaticFS("/", http.Dir(hlsPath))
 }
 
 func Run(ctx_ context.Context) {
diff --git a/config/config.dev.yaml b/config/config.dev.yaml
index 8e3b406..e2c9939 100644
--- a/config/config.dev.yaml
+++ b/config/config.dev.yaml
@@ -2,11 +2,12 @@ server:
   port: 8888
 system:
   payload:
+    enable: true
     maxRetryTime: 3
     maxCpuUsage: 95.0
     maxMemoryUsage: 95.0
 ffmpeg:
-  timeout: 5000
+  timeout: 5000 # millisecond
   toHls:
     base:
       encodeCodec: h264
@@ -16,8 +17,12 @@ ffmpeg:
       bitrate: 1M
       vfScale: -1:640
       gopSize: 3
-    HlsRoot: hls
-    HlsName: trans
+    keepalive:
+      enable: true
+      pollInterval: 5 # minute
+      checkInInterval: 1 # minute
+    hlsRoot: hls
+    hlsName: trans
     hlsTime: 3.0
     hlsListSize: 3
     hlsWarp: 15
diff --git a/internal/app/ffmpeg/baseService.go b/internal/app/ffmpeg/baseService.go
index 22fcfd1..099001c 100644
--- a/internal/app/ffmpeg/baseService.go
+++ b/internal/app/ffmpeg/baseService.go
@@ -1,24 +1,12 @@
 package ffmpeg
 
 import (
-	"go.uber.org/zap"
-	"ycmediakit/internal/pkg/global"
-	"ycmediakit/internal/pkg/result"
 	"ycmediakit/internal/pkg/server/ffmpegServer"
+	"ycmediakit/internal/pkg/unit/result"
 
 	"github.com/gin-gonic/gin"
 )
 
-var (
-	cfg *ffmpegServer.FfmpegConfig
-	log *zap.Logger
-)
-
-func init() {
-	cfg = &global.AppConfig.Ffmpeg
-	log = zap.L()
-}
-
 func ProbeStream(c *gin.Context) {
 	target := c.Query("target")
 	target, ok := ffmpegServer.PrepareUrl(target)
diff --git a/internal/app/ffmpeg/index.go b/internal/app/ffmpeg/index.go
new file mode 100644
index 0000000..3a43501
--- /dev/null
+++ b/internal/app/ffmpeg/index.go
@@ -0,0 +1,21 @@
+package ffmpeg
+
+import (
+	"go.uber.org/zap"
+	"ycmediakit/internal/pkg/global"
+	"ycmediakit/internal/pkg/server/ffmpegServer"
+)
+
+var (
+	cfg *ffmpegServer.FfmpegConfig
+	log *zap.Logger
+
+	toHlsServer *ffmpegServer.ToHlsServer
+)
+
+func init() {
+	cfg = &global.AppConfig.Ffmpeg
+	log = zap.L()
+	toHlsServer = ffmpegServer.NewToHlsServer(&cfg.ToHls)
+	global.ToHlsServer = toHlsServer
+}
diff --git a/internal/app/ffmpeg/toHlsService.go b/internal/app/ffmpeg/toHlsService.go
index 3767cc4..ce69141 100644
--- a/internal/app/ffmpeg/toHlsService.go
+++ b/internal/app/ffmpeg/toHlsService.go
@@ -1,22 +1,12 @@
 package ffmpeg
 
 import (
-	"ycmediakit/internal/pkg/global"
-	"ycmediakit/internal/pkg/result"
 	"ycmediakit/internal/pkg/server/ffmpegServer"
+	"ycmediakit/internal/pkg/unit/result"
 
 	"github.com/gin-gonic/gin"
 )
 
-var (
-	toHlsServer *ffmpegServer.ToHlsServer
-)
-
-func init() {
-	toHlsServer = ffmpegServer.NewToHlsServer(&cfg.ToHls)
-	global.ToHlsServer = toHlsServer
-}
-
 func StartToHls(c *gin.Context) {
 	target := c.Query("target")
 	streamPath := c.Query("streamPath")
diff --git a/internal/pkg/config/config.go b/internal/pkg/config/config.go
index 2e2937a..b6aae3b 100644
--- a/internal/pkg/config/config.go
+++ b/internal/pkg/config/config.go
@@ -1,20 +1,21 @@
 package config
 
 import (
-	"github.com/spf13/viper"
 	"log"
 	"path/filepath"
 	"strings"
-	"ycmediakit/internal/pkg/logger"
 	"ycmediakit/internal/pkg/server/ffmpegServer"
 	"ycmediakit/internal/pkg/server/systemServer"
+	"ycmediakit/internal/pkg/unit/logger"
 	"ycmediakit/internal/pkg/util"
+
+	"github.com/spf13/viper"
 )
 
 type RunConfig struct {
 	Debug bool   ``
 	Type  string ``
-	Log   logger.LogConfig
+	Log   logger.Config
 }
 
 type AppConfig struct {
@@ -42,17 +43,17 @@ func NewRunConfig() *RunConfig {
 	return &cfg
 }
 
-func NewAppConfig(runConfig *RunConfig) *AppConfig {
+func NewAppConfig(cfg *RunConfig) *AppConfig {
 	v := viper.New()
 	v.AddConfigPath(filepath.Join(util.GetWorkPath(), "config"))
-	v.SetConfigName(strings.Join([]string{"config", ".", runConfig.Type}, ""))
+	v.SetConfigName(strings.Join([]string{"config", ".", cfg.Type}, ""))
 	v.SetConfigType("yaml")
 	if err := v.ReadInConfig(); err != nil {
 		log.Fatalf("read config failed: %v", err)
 	}
-	var cfg AppConfig
-	if err := v.Unmarshal(&cfg); err != nil {
+	var appCfg AppConfig
+	if err := v.Unmarshal(&appCfg); err != nil {
 		log.Fatalf("read config failed: %v", err)
 	}
-	return &cfg
+	return &appCfg
 }
diff --git a/internal/pkg/global/global.go b/internal/pkg/global/global.go
index fec5782..85f1001 100644
--- a/internal/pkg/global/global.go
+++ b/internal/pkg/global/global.go
@@ -2,12 +2,12 @@ package global
 
 import (
 	"fmt"
-	"github.com/go-playground/validator/v10"
 	"ycmediakit/internal/pkg/config"
-	"ycmediakit/internal/pkg/logger"
 	"ycmediakit/internal/pkg/server/ffmpegServer"
 	"ycmediakit/internal/pkg/server/systemServer"
+	"ycmediakit/internal/pkg/unit/logger"
 
+	"github.com/go-playground/validator/v10"
 	"go.uber.org/zap"
 )
 
diff --git a/internal/pkg/server/ffmpegServer/baseCmd.go b/internal/pkg/server/ffmpegServer/baseCmd.go
index 6a2c41f..9ad6b6e 100644
--- a/internal/pkg/server/ffmpegServer/baseCmd.go
+++ b/internal/pkg/server/ffmpegServer/baseCmd.go
@@ -5,6 +5,7 @@ import (
 	"errors"
 	ffmpegCmd "github.com/u2takey/ffmpeg-go"
 	"os/exec"
+	"path"
 	"path/filepath"
 	"strings"
 )
@@ -26,10 +27,15 @@ func PrepareStreamPath(streamPath string) (string, bool) {
 	if len(streamArr) != 2 {
 		return "", false
 	}
-	streamPath = filepath.Join(streamArr...)
+	streamPath = path.Join(streamArr...)
 	return streamPath, true
 }
 
+func BuildStreamFilePath(streamPath string) string {
+	streamArr := strings.Split(streamPath, "/")
+	return filepath.Join(streamArr...)
+}
+
 func ProbeWithTimeout(url string, timeoutMs int) error {
 	args := ffmpegCmd.ConvertKwargsToCmdLineArgs(ffmpegCmd.KwArgs{
 		"i":        url,
diff --git a/internal/pkg/server/ffmpegServer/config.go b/internal/pkg/server/ffmpegServer/config.go
index 1593606..0a3a32f 100644
--- a/internal/pkg/server/ffmpegServer/config.go
+++ b/internal/pkg/server/ffmpegServer/config.go
@@ -1,5 +1,7 @@
 package ffmpegServer
 
+import "ycmediakit/internal/pkg/unit/keepalive"
+
 type FfmpegConfig struct {
 	Timeout int
 	ToHls   ToHlsConfig
@@ -18,6 +20,7 @@ type CmdBaseConfig struct {
 
 type ToHlsConfig struct {
 	CmdBaseConfig `mapstructure:"base"`
+	Keepalive     keepalive.Config
 	HlsRoot       string
 	HlsName       string
 	HlsTime       string
diff --git a/internal/pkg/server/ffmpegServer/toHlsCmd.go b/internal/pkg/server/ffmpegServer/toHlsCmd.go
index d2d31da..fa5f653 100644
--- a/internal/pkg/server/ffmpegServer/toHlsCmd.go
+++ b/internal/pkg/server/ffmpegServer/toHlsCmd.go
@@ -4,10 +4,12 @@ import (
 	"errors"
 	"fmt"
 	"os/exec"
+	"path"
 	"path/filepath"
 	"sort"
 	"strings"
 	"sync"
+	"ycmediakit/internal/pkg/unit/keepalive"
 	"ycmediakit/internal/pkg/util"
 
 	ffmpegCmd "github.com/u2takey/ffmpeg-go"
@@ -23,9 +25,10 @@ func init() {
 }
 
 type ToHlsServer struct {
-	cfg    *ToHlsConfig
-	m      sync.Mutex
-	cmdMap map[string]*ToHlsInfo
+	Cfg        *ToHlsConfig
+	m          sync.Mutex
+	cmdMap     map[string]*ToHlsInfo
+	Supervisor *keepalive.Supervisor
 }
 
 type ToHlsInfo struct {
@@ -35,92 +38,98 @@ type ToHlsInfo struct {
 	cmd        *exec.Cmd
 }
 
-func NewToHlsServer(hlsCfg *ToHlsConfig) *ToHlsServer {
-	return &ToHlsServer{
-		cfg:    hlsCfg,
+func NewToHlsServer(cfg *ToHlsConfig) *ToHlsServer {
+	s := &ToHlsServer{
+		Cfg:    cfg,
 		cmdMap: make(map[string]*ToHlsInfo),
 	}
+	if s.Cfg.Keepalive.Enable {
+		s.Supervisor = keepalive.NewSupervisor(&s.Cfg.Keepalive)
+		handlePath = "/" + cfg.HlsRoot
+		s.Supervisor.Register(handlePath, s)
+	}
+	return s
 }
 
-func (server *ToHlsServer) Add(url string, streamPath string, timeoutMs int, curHlsCfg *ToHlsConfig) bool {
-	server.m.Lock()
-	defer server.m.Unlock()
-	_, ok := server.cmdMap[streamPath]
+func (s *ToHlsServer) Add(url string, streamPath string, timeoutMs int, curHlsCfg *ToHlsConfig) bool {
+	s.m.Lock()
+	defer s.m.Unlock()
+	_, ok := s.cmdMap[streamPath]
 	if ok {
 		return true
 	}
-	// merge curHlsCfg, cfg
-	cmd := server.BuildToHlsCmd(url, streamPath, timeoutMs, curHlsCfg)
+	// merge curHlsCfg, Cfg
+	cmd := s.BuildToHlsCmd(url, streamPath, timeoutMs, curHlsCfg)
 	info := &ToHlsInfo{
 		ToHlsConfig: *curHlsCfg,
 		url:         url,
 		streamPath:  streamPath,
 		cmd:         cmd,
 	}
-	server.cmdMap[streamPath] = info
+	s.cmdMap[streamPath] = info
 	return true
 }
 
-func (server *ToHlsServer) Exists(streamPath string) bool {
-	server.m.Lock()
-	defer server.m.Unlock()
-	_, ok := server.cmdMap[streamPath]
+func (s *ToHlsServer) Exists(streamPath string) bool {
+	s.m.Lock()
+	defer s.m.Unlock()
+	_, ok := s.cmdMap[streamPath]
 	return ok
 }
 
-func (server *ToHlsServer) Delete(streamPath string) bool {
-	server.m.Lock()
-	defer server.m.Unlock()
-	delete(server.cmdMap, streamPath)
-	path := filepath.Join(util.GetWorkPath(), server.cfg.HlsRoot, streamPath, "..")
-	err := util.RemoveDir(path)
+func (s *ToHlsServer) Delete(streamPath string) bool {
+	s.m.Lock()
+	defer s.m.Unlock()
+	delete(s.cmdMap, streamPath)
+	dir := filepath.Join(util.GetWorkPath(), s.Cfg.HlsRoot, BuildStreamFilePath(streamPath), "..")
+	err := util.RemoveDir(dir)
 	if err != nil {
 		log.Error(err.Error())
 	}
 	return true
 }
 
-func (server *ToHlsServer) GetList() []string {
-	server.m.Lock()
-	defer server.m.Unlock()
+func (s *ToHlsServer) GetList() []string {
+	s.m.Lock()
+	defer s.m.Unlock()
 	var slice []string
-	for _, elm := range server.cmdMap {
+	for _, elm := range s.cmdMap {
 		slice = append(slice, elm.streamPath)
 	}
 	sort.Strings(slice)
 	return slice
 }
 
-func (server *ToHlsServer) DeleteAndStop(streamPath string) error {
-	server.m.Lock()
-	defer server.m.Unlock()
-	delete(server.cmdMap, streamPath)
-	_, err := server.StopToHlsCmd(streamPath)
+func (s *ToHlsServer) DeleteAndStop(streamPath string) error {
+	s.m.Lock()
+	defer s.m.Unlock()
+	delete(s.cmdMap, streamPath)
+	_, err := s.StopToHlsCmd(streamPath)
 	if err != nil {
 		return err
 	}
-	path := filepath.Join(util.GetWorkPath(), server.cfg.HlsRoot, streamPath)
-	err = util.RemoveDir(path)
+	dir := filepath.Join(util.GetWorkPath(), s.Cfg.HlsRoot, BuildStreamFilePath(streamPath))
+	err = util.RemoveDir(dir)
 	if err != nil {
 		log.Error(err.Error())
 	}
 	return nil
 }
 
-func (server *ToHlsServer) BuildToHlsCmd(url string, streamPath string, timeoutMs int, hlsCfg *ToHlsConfig) *exec.Cmd {
-	path := filepath.Join(util.GetWorkPath(), server.cfg.HlsRoot, streamPath)
-	_, err := util.CheckDir(path)
+func (s *ToHlsServer) BuildToHlsCmd(url string, streamPath string, timeoutMs int, hlsCfg *ToHlsConfig) *exec.Cmd {
+	dir := filepath.Join(util.GetWorkPath(), s.Cfg.HlsRoot, BuildStreamFilePath(streamPath))
+	_, err := util.CheckDir(dir)
 	if err != nil {
 		log.Error(err.Error())
 	}
-	path = filepath.Join(path, hlsCfg.HlsName+".m3u8")
+	p := filepath.Join(dir, hlsCfg.HlsName+".m3u8")
 	buffer := new(strings.Builder)
 	cmd := ffmpegCmd.
 		Input(url, ffmpegCmd.KwArgs{
 			"stimeout": timeoutMs * 1000,
 			"loglevel": "error",
 		}).
-		Output(path, ffmpegCmd.KwArgs{
+		Output(p, ffmpegCmd.KwArgs{
 			"c:v":              hlsCfg.EncodeCodec,
 			"profile:v":        hlsCfg.Profile,
 			"vf":               util.Merge("scale=", hlsCfg.VfScale),
@@ -134,11 +143,13 @@ func (server *ToHlsServer) BuildToHlsCmd(url string, streamPath string, timeoutM
 	return cmd
 }
 
-func (server *ToHlsServer) RunToHlsCmd(streamPath string) (bool, error) {
-	info, ok := server.cmdMap[streamPath]
+func (s *ToHlsServer) RunToHlsCmd(streamPath string) (bool, error) {
+	info, ok := s.cmdMap[streamPath]
 	if !ok {
 		return false, nil
 	}
+	s.Supervisor.Activate(streamPath)
+	defer s.Supervisor.DeActivate(streamPath)
 	err := info.cmd.Run()
 	if err != nil {
 		errStr := strings.TrimSpace(fmt.Sprint(info.cmd.Stderr))
@@ -147,8 +158,8 @@ func (server *ToHlsServer) RunToHlsCmd(streamPath string) (bool, error) {
 	return true, nil
 }
 
-func (server *ToHlsServer) StopToHlsCmd(streamPath string) (bool, error) {
-	info, ok := server.cmdMap[streamPath]
+func (s *ToHlsServer) StopToHlsCmd(streamPath string) (bool, error) {
+	info, ok := s.cmdMap[streamPath]
 	if !ok {
 		return true, nil
 	}
@@ -159,6 +170,29 @@ func (server *ToHlsServer) StopToHlsCmd(streamPath string) (bool, error) {
 	return true, nil
 }
 
-func (server *ToHlsServer) BuildHlsPath(streamPath string) string {
-	return filepath.Join(server.cfg.HlsRoot, streamPath, server.cfg.HlsName+".m3u8")
+func (s *ToHlsServer) BuildHlsPath(streamPath string) string {
+	return path.Join("/"+s.Cfg.HlsRoot, streamPath, s.Cfg.HlsName+".m3u8")
+}
+
+var (
+	handlePath string
+)
+
+func (s *ToHlsServer) CreateKey(oriUrl string) (string, bool) {
+	url := oriUrl
+	paramArr := strings.Split(url, "/")
+	if len(paramArr) != 5 || paramArr[1] != s.Cfg.HlsRoot {
+		return "", false
+	}
+	streamPath := paramArr[2] + "/" + paramArr[3]
+	return streamPath, true
+}
+
+func (s *ToHlsServer) Expire(key string) bool {
+	_, ok := s.cmdMap[key]
+	if !ok {
+		return false
+	}
+	_ = s.DeleteAndStop(key)
+	return true
 }
diff --git a/internal/pkg/server/systemServer/config.go b/internal/pkg/server/systemServer/config.go
index 45ec674..95604a8 100644
--- a/internal/pkg/server/systemServer/config.go
+++ b/internal/pkg/server/systemServer/config.go
@@ -5,6 +5,7 @@ type SystemConfig struct {
 }
 
 type PayloadConfig struct {
+	Enable         bool
 	MaxRetryTime   int     `validate:"min=1,max=5"`
 	MaxCpuUsage    float32 `validate:"min=60,max=100"`
 	MaxMemoryUsage float32 `validate:"min=60,max=100"`
diff --git a/internal/pkg/server/systemServer/payload.go b/internal/pkg/server/systemServer/payload.go
index b4d4860..191c42f 100644
--- a/internal/pkg/server/systemServer/payload.go
+++ b/internal/pkg/server/systemServer/payload.go
@@ -26,12 +26,14 @@ type Payload struct {
 	}
 }
 
-func NewPayloadServer(plCfg *PayloadConfig) *PayloadServer {
+func NewPayloadServer(cfg *PayloadConfig) *PayloadServer {
 	s := &PayloadServer{
-		Cfg: plCfg,
+		Cfg: cfg,
 		ref: util.NewChannel(),
 	}
-	go s.start()
+	if s.Cfg.Enable {
+		go s.start()
+	}
 	return s
 }
 
diff --git a/internal/pkg/unit/keepalive/config.go b/internal/pkg/unit/keepalive/config.go
new file mode 100644
index 0000000..dccc661
--- /dev/null
+++ b/internal/pkg/unit/keepalive/config.go
@@ -0,0 +1,7 @@
+package keepalive
+
+type Config struct {
+	Enable          bool
+	PollInterval    int `validate:"min=1,max=60"`
+	CheckInInterval int `validate:"min=1,max=30"`
+}
diff --git a/internal/pkg/unit/keepalive/keepalive.go b/internal/pkg/unit/keepalive/keepalive.go
new file mode 100644
index 0000000..17f8c2a
--- /dev/null
+++ b/internal/pkg/unit/keepalive/keepalive.go
@@ -0,0 +1,91 @@
+package keepalive
+
+import (
+	"log"
+	"time"
+	"ycmediakit/internal/pkg/util"
+)
+
+type Supervisor struct {
+	Cfg        *Config
+	HandlePath string
+	guarder    Guarder
+	fastMap    *util.RwMap[string, time.Time]
+}
+
+type Guarder interface {
+	CreateKey(string) (string, bool)
+	Expire(string) bool
+}
+
+func NewSupervisor(cfg *Config) *Supervisor {
+	s := &Supervisor{
+		Cfg:     cfg,
+		fastMap: util.NewRwMap[string, time.Time](),
+	}
+	if s.Cfg.Enable {
+		go s.start()
+	}
+	return s
+}
+
+func (s *Supervisor) start() {
+	i := time.Duration(s.Cfg.PollInterval) * time.Minute
+	for range time.Tick(i) {
+		go s.inspect()
+	}
+}
+
+func (s *Supervisor) inspect() {
+	g := s.guarder
+	if g == nil {
+		return
+	}
+	nowTime := time.Now()
+	pollTime := time.Duration(s.Cfg.PollInterval) * time.Minute
+	s.fastMap.ModifyRange(func(key string, value time.Time) {
+		if nowTime.Sub(value) >= pollTime {
+			g.Expire(key)
+			delete(s.fastMap.Map, key)
+		}
+	})
+}
+
+func (s *Supervisor) Register(handlePath string, i interface{}) {
+	g, ok := i.(Guarder)
+	if !ok {
+		log.Panicf("%v is not implements Guarder\n", i)
+	}
+	if s.guarder == nil {
+		s.HandlePath = handlePath
+		s.guarder = g
+	}
+}
+
+func (s *Supervisor) CheckIn(oriUrl string) {
+	g := s.guarder
+	if g == nil {
+		return
+	}
+	key, ok := g.CreateKey(oriUrl)
+	if !ok {
+		return
+	}
+	oldTime, ok := s.fastMap.Get(key)
+	newTime := time.Now()
+	if ok && newTime.Sub(oldTime) < time.Duration(s.Cfg.CheckInInterval)*time.Minute {
+		return
+	}
+	s.Activate(key)
+}
+
+func (s *Supervisor) Activate(key string) {
+	s.fastMap.Set(key, time.Now())
+}
+
+func (s *Supervisor) DeActivate(key string) {
+	if !s.fastMap.Has(key) {
+		return
+	}
+	s.fastMap.Delete(key)
+}
diff --git a/internal/pkg/logger/config.go b/internal/pkg/unit/logger/config.go
similarity index 96%
rename from internal/pkg/logger/config.go
rename to internal/pkg/unit/logger/config.go
index 1808ead..48abee7 100644
--- a/internal/pkg/logger/config.go
+++ b/internal/pkg/unit/logger/config.go
@@ -1,6 +1,6 @@
 package logger
 
-type LogConfig struct {
+type Config struct {
 	Level      string // Level 最低日志等级，DEBUG<INFO<WARN<ERROR<FATAL
 	FilePath   string // FilePath 日志文件位置
 	Separate   bool   // Separate 日志是否分隔
diff --git a/internal/pkg/logger/logger.go b/internal/pkg/unit/logger/logger.go
similarity index 60%
rename from internal/pkg/logger/logger.go
rename to internal/pkg/unit/logger/logger.go
index 74a30fb..4608538 100644
--- a/internal/pkg/logger/logger.go
+++ b/internal/pkg/unit/logger/logger.go
@@ -1,14 +1,15 @@
 package logger
 
 import (
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
-	"gopkg.in/natefinch/lumberjack.v2"
 	"log"
 	"os"
 	"path/filepath"
 	"strconv"
 	"time"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+	"gopkg.in/natefinch/lumberjack.v2"
 )
 
 // GetEncoder 负责设置 encoding 的日志格式
@@ -30,39 +31,39 @@ func GetEncoder(color bool) zapcore.Encoder {
 	return zapcore.NewConsoleEncoder(encodeConfig)
 }
 
-func NewCore(lCfg *LogConfig) zapcore.Core {
+func NewCore(cfg *Config) zapcore.Core {
 	encoder := GetEncoder(false)
 	now := strconv.FormatInt(time.Now().Unix(), 10)
-	fileName := filepath.Join(lCfg.FilePath, now+".log")
+	fileName := filepath.Join(cfg.FilePath, now+".log")
 	ljLogger := &lumberjack.Logger{
-		Filename:   fileName,        // 文件位置
-		MaxSize:    lCfg.MaxSize,    // 进行切割之前,日志文件的最大大小(MB为单位)
-		MaxAge:     lCfg.MaxAge,     // 保留旧文件的最大天数
-		MaxBackups: lCfg.MaxBackups, // 保留旧文件的最大个数
-		Compress:   lCfg.Compress,   // 是否压缩/归档旧文件
+		Filename:   fileName,       // 文件位置
+		MaxSize:    cfg.MaxSize,    // 进行切割之前,日志文件的最大大小(MB为单位)
+		MaxAge:     cfg.MaxAge,     // 保留旧文件的最大天数
+		MaxBackups: cfg.MaxBackups, // 保留旧文件的最大个数
+		Compress:   cfg.Compress,   // 是否压缩/归档旧文件
 	}
-	level, err := zapcore.ParseLevel(lCfg.Level)
+	level, err := zapcore.ParseLevel(cfg.Level)
 	if err != nil {
 		log.Fatalln(err)
 	}
 	return zapcore.NewCore(encoder, zapcore.AddSync(ljLogger), level)
 }
 
-func NewMultiCore(lCfg *LogConfig) zapcore.Core {
+func NewMultiCore(cfg *Config) zapcore.Core {
 	now := strconv.FormatInt(time.Now().Unix(), 10)
-	level, err := zapcore.ParseLevel(lCfg.Level)
+	level, err := zapcore.ParseLevel(cfg.Level)
 	if err != nil {
 		log.Fatalln(err)
 	}
 
 	infoEncoder := GetEncoder(false)
-	infoFileName := filepath.Join(lCfg.FilePath, now+".log")
+	infoFileName := filepath.Join(cfg.FilePath, now+".log")
 	infoLogger := &lumberjack.Logger{
-		Filename:   infoFileName,    // 文件位置
-		MaxSize:    lCfg.MaxSize,    // 进行切割之前,日志文件的最大大小(MB为单位)
-		MaxAge:     lCfg.MaxAge,     // 保留旧文件的最大天数
-		MaxBackups: lCfg.MaxBackups, // 保留旧文件的最大个数
-		Compress:   lCfg.Compress,   // 是否压缩/归档旧文件
+		Filename:   infoFileName,   // 文件位置
+		MaxSize:    cfg.MaxSize,    // 进行切割之前,日志文件的最大大小(MB为单位)
+		MaxAge:     cfg.MaxAge,     // 保留旧文件的最大天数
+		MaxBackups: cfg.MaxBackups, // 保留旧文件的最大个数
+		Compress:   cfg.Compress,   // 是否压缩/归档旧文件
 	}
 	infoPrior := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
 		return lvl >= level && lvl < zap.ErrorLevel && lvl >= zap.DebugLevel
@@ -70,13 +71,13 @@ func NewMultiCore(lCfg *LogConfig) zapcore.Core {
 	infoCore := zapcore.NewCore(infoEncoder, zapcore.AddSync(infoLogger), infoPrior)
 
 	errEncoder := GetEncoder(true)
-	errFileName := filepath.Join(lCfg.FilePath, now+"-error.log")
+	errFileName := filepath.Join(cfg.FilePath, now+"-error.log")
 	errLogger := &lumberjack.Logger{
-		Filename:   errFileName,     // 文件位置
-		MaxSize:    lCfg.MaxSize,    // 进行切割之前,日志文件的最大大小(MB为单位)
-		MaxAge:     lCfg.MaxAge,     // 保留旧文件的最大天数
-		MaxBackups: lCfg.MaxBackups, // 保留旧文件的最大个数
-		Compress:   lCfg.Compress,   // 是否压缩/归档旧文件
+		Filename:   errFileName,    // 文件位置
+		MaxSize:    cfg.MaxSize,    // 进行切割之前,日志文件的最大大小(MB为单位)
+		MaxAge:     cfg.MaxAge,     // 保留旧文件的最大天数
+		MaxBackups: cfg.MaxBackups, // 保留旧文件的最大个数
+		Compress:   cfg.Compress,   // 是否压缩/归档旧文件
 	}
 	errPrior := zap.LevelEnablerFunc(func(lvl zapcore.Level) bool {
 		return lvl >= level && lvl >= zap.ErrorLevel
diff --git a/internal/pkg/result/result.go b/internal/pkg/unit/result/result.go
similarity index 100%
rename from internal/pkg/result/result.go
rename to internal/pkg/unit/result/result.go
diff --git a/internal/pkg/util/RwMap.go b/internal/pkg/util/RwMap.go
new file mode 100644
index 0000000..2b152d8
--- /dev/null
+++ b/internal/pkg/util/RwMap.go
@@ -0,0 +1,106 @@
+package util
+
+import (
+	"sync"
+	"time"
+)
+
+type RwMap[K comparable, V any] struct {
+	sync.RWMutex
+	Map map[K]V
+}
+
+func NewRwMap[K comparable, V any]() *RwMap[K, V] {
+	return &RwMap[K, V]{
+		Map: make(map[K]V),
+	}
+}
+
+func (m *RwMap[K, V]) Add(k K, v V) bool {
+	m.Lock()
+	defer m.Unlock()
+	if _, ok := m.Map[k]; ok {
+		return false
+	}
+	m.Map[k] = v
+	return true
+}
+
+func (m *RwMap[K, V]) Set(k K, v V) {
+	m.Lock()
+	m.Map[k] = v
+	m.Unlock()
+}
+
+func (m *RwMap[K, V]) Has(k K) (ok bool) {
+	m.RLock()
+	defer m.RUnlock()
+	_, ok = m.Map[k]
+	return
+}
+
+func (m *RwMap[K, V]) Len() int {
+	return len(m.Map)
+}
+
+func (m *RwMap[K, V]) Get(k K) (V, bool) {
+	m.RLock()
+	defer m.RUnlock()
+	v, ok := m.Map[k]
+	return v, ok
+}
+
+func (m *RwMap[K, V]) Delete(k K) (v V, ok bool) {
+	m.RLock()
+	v, ok = m.Map[k]
+	m.RUnlock()
+	if ok {
+		m.Lock()
+		delete(m.Map, k)
+		m.Unlock()
+	}
+	return
+}
+
+func (m *RwMap[K, V]) ToList() (r []V) {
+	m.RLock()
+	defer m.RUnlock()
+	for _, s := range m.Map {
+		r = append(r, s)
+	}
+	return
+}
+
+func MapList[K comparable, V any, R any](m *RwMap[K, V], f func(K, V) R) (r []R) {
+	m.RLock()
+	defer m.RUnlock()
+	for k, v := range m.Map {
+		r = append(r, f(k, v))
+	}
+	return
+}
+
+func (m *RwMap[K, V]) Range(f func(K, V)) {
+	m.RLock()
+	defer m.RUnlock()
+	for k, v := range m.Map {
+		f(k, v)
+	}
+}
+
+func (m *RwMap[K, V]) RangeInterval(f func(K, V), d time.Duration) {
+	m.RLock()
+	defer m.RUnlock()
+	for k, v := range m.Map {
+		f(k, v)
+		time.Sleep(d)
+	}
+}
+
+func (m *RwMap[K, V]) ModifyRange(f func(K, V)) {
+	m.Lock()
+	defer m.Unlock()
+	for k, v := range m.Map {
+		f(k, v)
+	}
+}
diff --git a/middleware/interceptor.go b/middleware/interceptor.go
index 6dc0a1e..a73b782 100644
--- a/middleware/interceptor.go
+++ b/middleware/interceptor.go
@@ -4,20 +4,27 @@ import (
 	"github.com/gin-gonic/gin"
 	"strconv"
 	"strings"
-	"ycmediakit/internal/pkg/result"
 	"ycmediakit/internal/pkg/server/systemServer"
+	"ycmediakit/internal/pkg/unit/keepalive"
+	"ycmediakit/internal/pkg/unit/result"
 )
 
 // HttpInterceptor 可自定义鉴权等操作
-// TODO
 func HttpInterceptor() gin.HandlerFunc {
 	return func(c *gin.Context) {
 		c.Next()
 	}
 }
 
+// KeepAliveToHlsInterceptor 保活 toHls 服务
+func KeepAliveToHlsInterceptor(kas *keepalive.Supervisor) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		kas.CheckIn(c.Request.RequestURI)
+		c.Next()
+	}
+}
+
 // ProbePayloadInterceptor 探测 ffmpeg 命令服务器是否有资源得以运行
-// TODO
 func ProbePayloadInterceptor(ps *systemServer.PayloadServer) gin.HandlerFunc {
 	return func(c *gin.Context) {
 		cfg := ps.Cfg