diff --git a/code/config.example.yaml b/code/config.example.yaml
index c249d65..b4dc899 100644
--- a/code/config.example.yaml
+++ b/code/config.example.yaml
@@ -21,6 +21,8 @@ API_URL: https://api.openai.com
 HTTP_PROXY: ""
 # 访问OpenAi的 普通 Http请求的超时时间，单位秒，不配置的话默认为 550 秒
 OPENAI_HTTP_CLIENT_TIMEOUT:
+# openai 指定模型, 更多见 https://platform.openai.com/docs/models/model-endpoint-compatibility 中 /v1/chat/completions
+OPENAI_MODEL: gpt-3.5-turbo
 
 # AZURE OPENAI
 AZURE_ON: true # set to true to use Azure rather than OpenAI
diff --git a/code/handlers/handler.go b/code/handlers/handler.go
index 6ed789a..d9a0ea8 100644
--- a/code/handlers/handler.go
+++ b/code/handlers/handler.go
@@ -101,7 +101,6 @@ func (m MessageHandler) msgReceivedHandler(ctx context.Context, event *larkim.P2
 		&MessageAction{
 			chatgpt: chatgpt.NewGpt3(&m.config),
 		}, //消息处理
-
 	}
 
 	chain(data, actions...)
diff --git a/code/handlers/msg.go b/code/handlers/msg.go
index fb7f545..9a7526e 100644
--- a/code/handlers/msg.go
+++ b/code/handlers/msg.go
@@ -675,8 +675,11 @@ func updateTextCard(ctx context.Context, msg string,
 	}
 	return nil
 }
-func updateFinalCard(ctx context.Context, msg string,
-	msgId *string) error {
+func updateFinalCard(
+	ctx context.Context,
+	msg string,
+	msgId *string,
+) error {
 	newCard, _ := newSendCardWithOutHeader(
 		withMainText(msg))
 	err := PatchCard(ctx, msgId, newCard)
diff --git a/code/initialization/config.go b/code/initialization/config.go
index ce8fd12..8e2079e 100644
--- a/code/initialization/config.go
+++ b/code/initialization/config.go
@@ -36,6 +36,7 @@ type Config struct {
 	AccessControlEnable                bool
 	AccessControlMaxCountPerUserPerDay int
 	OpenAIHttpClientTimeOut            int
+	OpenaiModel                        string
 }
 
 var (
@@ -94,6 +95,7 @@ func LoadConfig(cfg string) *Config {
 		AccessControlEnable:                getViperBoolValue("ACCESS_CONTROL_ENABLE", false),
 		AccessControlMaxCountPerUserPerDay: getViperIntValue("ACCESS_CONTROL_MAX_COUNT_PER_USER_PER_DAY", 0),
 		OpenAIHttpClientTimeOut:            getViperIntValue("OPENAI_HTTP_CLIENT_TIMEOUT", 550),
+		OpenaiModel:                        getViperStringValue("OPENAI_MODEL", "gpt-3.5-turbo"),
 	}
 
 	return config
diff --git a/code/services/chatgpt/gpt3.go b/code/services/chatgpt/gpt3.go
index 8cd85e9..6870e51 100644
--- a/code/services/chatgpt/gpt3.go
+++ b/code/services/chatgpt/gpt3.go
@@ -58,7 +58,7 @@ func (c *ChatGPT) StreamChatWithHistory(ctx context.Context, msg []openai.ChatCo
 	client := openai.NewClientWithConfig(config)
 	//pp.Printf("client: %v", client)
 	req := openai.ChatCompletionRequest{
-		Model:       openai.GPT3Dot5Turbo,
+		Model:       c.config.OpenaiModel,
 		Messages:    msg,
 		N:           1,
 		Temperature: 0.7,
diff --git a/code/services/openai/common.go b/code/services/openai/common.go
index b8609d5..5e6e7cd 100644
--- a/code/services/openai/common.go
+++ b/code/services/openai/common.go
@@ -37,6 +37,7 @@ type ChatGPT struct {
 	Lb          *loadbalancer.LoadBalancer
 	ApiKey      []string
 	ApiUrl      string
+	ApiModel    string
 	HttpProxy   string
 	Platform    PlatForm
 	AzureConfig AzureConfig
@@ -224,6 +225,7 @@ func NewChatGPT(config initialization.Config) *ChatGPT {
 		ApiUrl:    config.OpenaiApiUrl,
 		HttpProxy: config.HttpProxy,
 		Platform:  platform,
+		ApiModel:  config.OpenaiModel,
 		AzureConfig: AzureConfig{
 			BaseURL:        AzureApiUrlV1,
 			ResourceName:   config.AzureResourceName,
diff --git a/code/services/openai/gpt3.go b/code/services/openai/gpt3.go
index 1d51fbf..bdb39b8 100644
--- a/code/services/openai/gpt3.go
+++ b/code/services/openai/gpt3.go
@@ -7,7 +7,6 @@ import (
 const (
 	maxTokens   = 2000
 	temperature = 0.7
-	engine      = "gpt-3.5-turbo"
 )
 
 type Messages struct {
@@ -45,7 +44,7 @@ type ChatGPTRequestBody struct {
 func (gpt *ChatGPT) Completions(msg []Messages) (resp Messages,
 	err error) {
 	requestBody := ChatGPTRequestBody{
-		Model:            engine,
+		Model:            gpt.ApiModel,
 		Messages:         msg,
 		MaxTokens:        maxTokens,
 		Temperature:      temperature,