diff --git a/config.json b/config.json
index f52e056..88c3dbd 100644
--- a/config.json
+++ b/config.json
@@ -4,16 +4,16 @@
 		"addr": ":8080",
 		"token": "!! config your very strong token here !!",
 		"ffmpeg_threads": 1,
-		"ffmpeg_configs": {
-			"0. OPUS 128k": {"args": "-c:a libopus -ab 128k"},
-			"1. OPUS 96k": {"args": "-c:a libopus -ab 96k"},
-			"2. OPUS 256k": {"args": "-c:a libopus -ab 256k"},
-			"3. OPUS 320k": {"args": "-c:a libopus -ab 320k"},
-			"4. OPUS 512k": {"args": "-c:a libopus -ab 512k"},
-			"5. AAC 128k": {"args": "-c:a aac -ab 128k"},
-			"6. AAC 256k": {"args": "-c:a aac -ab 256k"},
-			"7. 全损音质 32k": {"args": "-c:a libopus -ab 32k"}
-		}
+		"ffmpeg_config_list": [
+			{"name": "OPUS 128k", "args": "-c:a libopus -ab 128k"},
+			{"name": "OPUS 96k", "args": "-c:a libopus -ab 96k"},
+			{"name": "OPUS 256k", "args": "-c:a libopus -ab 256k"},
+			{"name": "OPUS 320k", "args": "-c:a libopus -ab 320k"},
+			{"name": "OPUS 512k", "args": "-c:a libopus -ab 512k"},
+			{"name": "AAC 128k", "args": "-c:a aac -ab 128k"},
+			{"name": "AAC 256k", "args": "-c:a aac -ab 256k"},
+			{"name": "全损音质 32k", "args": "-c:a libopus -ab 32k"}
+		]
 	},
 	"tmpfs": {
 		"file_life_time": 600,
diff --git a/internal/pkg/api/api.go b/internal/pkg/api/api.go
index 336baa7..8815bbe 100644
--- a/internal/pkg/api/api.go
+++ b/internal/pkg/api/api.go
@@ -24,8 +24,8 @@ type API struct {
 	Tmpfs *tmpfs.Tmpfs
 }
 
-type FfmpegConfigs struct {
-	FfmpegConfigs map[string]*FfmpegConfig `json:"ffmpeg_configs"`
+type FfmpegConfigList struct {
+	FfmpegConfigList []FfmpegConfig `json:"ffmpeg_config_list"`
 }
 
 type AddFfmpegConfigRequest struct {
@@ -35,6 +35,7 @@ type AddFfmpegConfigRequest struct {
 }
 
 type FfmpegConfig struct {
+	Name string `json:"name"`
 	Args string `json:"args"`
 }
 
@@ -371,6 +372,19 @@ func (api *API) CheckGetFileStream(w http.ResponseWriter, r *http.Request) (erro
 	return nil
 }
 
+func (api *API) GetFfmpegConfig(configName string) (FfmpegConfig, bool) {
+	ffmpegConfig := FfmpegConfig{}
+	for _, f := range api.APIConfig.FfmpegConfigList {
+		if f.Name == configName {
+			ffmpegConfig = f
+		}
+	}
+	if ffmpegConfig.Name == "" {
+		return ffmpegConfig, false
+	}
+	return ffmpegConfig, true
+}
+
 func (api *API) HandleGetFileStream(w http.ResponseWriter, r *http.Request) {
 	err := api.CheckGetFileStream(w, r)
 	if err != nil {
@@ -395,7 +409,7 @@ func (api *API) HandleGetFileStream(w http.ResponseWriter, r *http.Request) {
 
 	log.Println("[api] Stream file", path, configName)
 
-	ffmpegConfig, ok := api.APIConfig.FfmpegConfigs[configName]
+	ffmpegConfig, ok := api.GetFfmpegConfig(configName)
 	if !ok {
 		api.HandleErrorStringCode(w, r, `ffmpeg config not found`, 404)
 		return
@@ -455,7 +469,7 @@ func (api *API) HandlePrepareFileStreamDirect(w http.ResponseWriter, r *http.Req
 	}
 
 	log.Println("[api] Prepare stream direct file", srcPath, prepareFileStreamDirectRequst.ConfigName)
-	ffmpegConfig, ok := api.APIConfig.FfmpegConfigs[prepareFileStreamDirectRequst.ConfigName]
+	ffmpegConfig, ok := api.GetFfmpegConfig(prepareFileStreamDirectRequst.ConfigName)
 	if !ok {
 		api.HandleErrorStringCode(w, r, `ffmpeg config not found`, 404)
 		return
@@ -593,10 +607,10 @@ func (api *API) HandleGetFile(w http.ResponseWriter, r *http.Request) {
 
 func (api *API) HandleGetFfmpegConfigs(w http.ResponseWriter, r *http.Request) {
 	log.Println("[api] Get ffmpeg config list")
-	ffmpegConfigs:= &FfmpegConfigs{
-		FfmpegConfigs: api.APIConfig.FfmpegConfigs,
+	ffmpegConfigList:= &FfmpegConfigList{
+		FfmpegConfigList: api.APIConfig.FfmpegConfigList,
 	}
-	json.NewEncoder(w).Encode(&ffmpegConfigs)
+	json.NewEncoder(w).Encode(&ffmpegConfigList)
 }
 
 func (api *API) HandleAddFfmpegConfig(w http.ResponseWriter, r *http.Request) {
@@ -625,7 +639,8 @@ func (api *API) HandleAddFfmpegConfig(w http.ResponseWriter, r *http.Request) {
 
 	log.Println("[api] Add ffmpeg config")
 
-	api.APIConfig.FfmpegConfigs[addFfmpegConfigRequest.Name] = &addFfmpegConfigRequest.FfmpegConfig
+	api.APIConfig.FfmpegConfigList = append(api.APIConfig.FfmpegConfigList, addFfmpegConfigRequest.FfmpegConfig)
+
 	api.HandleOK(w, r)
 }
 
@@ -666,9 +681,7 @@ func (api *API) HandleFeedback(w http.ResponseWriter, r *http.Request) {
 }
 
 func NewAPIConfig() (APIConfig) {
-	apiConfig := APIConfig{
-		FfmpegConfigs: make(map[string]*FfmpegConfig),
-	}
+	apiConfig := APIConfig{}
 	return apiConfig
 }
 
@@ -677,12 +690,20 @@ type APIConfig struct {
 	Addr string `json:"addr"`
 	Token string `json:"token"`
 	FfmpegThreads int64 `json:"ffmpeg_threads"`
-	FfmpegConfigs map[string]*FfmpegConfig `json:"ffmpeg_configs"`
+	FfmpegConfigList []FfmpegConfig `json:"ffmpeg_config_list"`
 }
 
-func NewAPI(apiConfig APIConfig, tmpfsConfig tmpfs.TmpfsConfig) (*API, error) {
+type Config struct {
+	APIConfig APIConfig `json:"api"`
+	TmpfsConfig tmpfs.TmpfsConfig `json:"tmpfs"`
+}
+
+func NewAPI(config Config) (*API, error) {
 	var err error
 
+	apiConfig := config.APIConfig
+	tmpfsConfig := config.TmpfsConfig
+
 	db, err := database.NewDatabase(apiConfig.DatabaseName)
 	if err != nil {
 		return nil, err
diff --git a/main.go b/main.go
index 3a18c1e..3657147 100644
--- a/main.go
+++ b/main.go
@@ -5,7 +5,6 @@ import (
 	"flag"
 	"log"
 	"msw-open-music/internal/pkg/api"
-	"msw-open-music/internal/pkg/tmpfs"
 	"os"
 )
 
@@ -15,16 +14,12 @@ func init() {
 	flag.StringVar(&ConfigFilePath, "config", "config.json", "backend config file path")
 }
 
-type Config struct {
-	APIConfig api.APIConfig `json:"api"`
-	TmpfsConfig tmpfs.TmpfsConfig `json:"tmpfs"`
-}
 
 func main() {
 	var err error
 	flag.Parse()
 
-	config := Config{}
+	config := api.Config{}
 	configFile, err := os.Open(ConfigFilePath)
 	if err != nil {
 		log.Fatal(err)
@@ -35,7 +30,7 @@ func main() {
 	}
 	configFile.Close()
 
-	api, err := api.NewAPI(config.APIConfig, config.TmpfsConfig)
+	api, err := api.NewAPI(config)
 	if err != nil {
 		log.Fatal(err)
 	}