diff --git a/README.md b/README.md
index 8783dda..fca8b71 100644
--- a/README.md
+++ b/README.md
@@ -240,7 +240,7 @@ $ go run main.go
 {
     "api_key": "xxxxxxxxx",   // openai api_key
     "base_url": "api.openai.com", //  如果你想指定请求url的地址，可通过这个参数进行配置，默认为官方地址，不需要再添加 /v1
-    "model": "gpt-3.5-turbo", // 指定模型，默认为 gpt-3.5-turbo ,具体选项参考官网训练场
+    "model": "gpt-3.5-turbo", // 指定模型，默认为 gpt-3.5-turbo , 可选参数有： "gpt-4-32k-0314", "gpt-4-32k", "gpt-4-0314", "gpt-4", "gpt-3.5-turbo-0301", "gpt-3.5-turbo", "text-davinci-003", "text-davinci-002", "text-curie-001", "text-babbage-001", "text-ada-001", "text-davinci-001", "davinci-instruct-beta", "davinci", "curie-instruct-beta", "curie", "ada", "babbage"
     "session_timeout": 600,   // 会话超时时间,默认600秒,在会话时间内所有发送给机器人的信息会作为上下文
     "http_proxy": "",         // 指定请求时使用的代理，如果为空，则不使用代理
     "default_mode": "单聊"    // 默认对话模式，可根据实际场景自定义，如果不设置，默认为单聊
diff --git a/go.mod b/go.mod
index e7bf5ec..1e61b43 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 )
 
 require (
-	github.com/sashabaranov/go-openai v1.5.0 // indirect
+	github.com/sashabaranov/go-openai v1.5.1 // indirect
 	golang.org/x/net v0.0.0-20211029224645-99673261e6eb // indirect
 )
 
diff --git a/go.sum b/go.sum
index 00ca00b..4bd2157 100644
--- a/go.sum
+++ b/go.sum
@@ -2,8 +2,8 @@ github.com/go-resty/resty/v2 v2.7.0 h1:me+K9p3uhSmXtrBZ4k9jcEAfJmuC8IivWHwaLZwPr
 github.com/go-resty/resty/v2 v2.7.0/go.mod h1:9PWDzw47qPphMRFfhsyk0NnSgvluHcljSMVIq3w7q0I=
 github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaRUnok+kx1WdO15EQc=
 github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
-github.com/sashabaranov/go-openai v1.5.0 h1:4Gr/7g/KtVzW0ddn7TC2aUlyzvhZBIM+qRZ6Ae2kMa0=
-github.com/sashabaranov/go-openai v1.5.0/go.mod h1:lj5b/K+zjTSFxVLijLSTDZuP7adOgerWeFyZLUhAKRg=
+github.com/sashabaranov/go-openai v1.5.1 h1:w9pO7L0X4CLuyH3NZ0WXBBU1wvPeA2JEcxMdlPosInY=
+github.com/sashabaranov/go-openai v1.5.1/go.mod h1:lj5b/K+zjTSFxVLijLSTDZuP7adOgerWeFyZLUhAKRg=
 golang.org/x/net v0.0.0-20211029224645-99673261e6eb h1:pirldcYWx7rx7kE5r+9WsOXPXK0+WH5+uZ7uPmJ44uM=
 golang.org/x/net v0.0.0-20211029224645-99673261e6eb/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
diff --git a/pkg/chatgpt/chatgpt.go b/pkg/chatgpt/chatgpt.go
index 6c028a8..c751612 100644
--- a/pkg/chatgpt/chatgpt.go
+++ b/pkg/chatgpt/chatgpt.go
@@ -28,7 +28,6 @@ func New(userId string) *ChatGPT {
 	var ctx context.Context
 	var cancel func()
 
-	// public.Config.BaseURL, public.Config.ApiKey, public.Config.HttpProxy
 	if public.Config.SessionTimeout == 0 {
 		ctx, cancel = context.WithCancel(context.Background())
 	} else {
diff --git a/pkg/chatgpt/context.go b/pkg/chatgpt/context.go
index 8955583..0dad187 100644
--- a/pkg/chatgpt/context.go
+++ b/pkg/chatgpt/context.go
@@ -157,9 +157,13 @@ func (c *ChatGPT) ChatWithContext(question string) (answer string, err error) {
 		return "", OverMaxTextLength
 	}
 
-	if public.Config.Model == openai.GPT3Dot5Turbo0301 || public.Config.Model == openai.GPT3Dot5Turbo {
+	model := public.Config.Model
+	if model == openai.GPT3Dot5Turbo0301 ||
+		model == openai.GPT3Dot5Turbo ||
+		model == openai.GPT4 || model == openai.GPT40314 ||
+		model == openai.GPT432K || model == openai.GPT432K0314 {
 		req := openai.ChatCompletionRequest{
-			Model: public.Config.Model,
+			Model: model,
 			Messages: []openai.ChatCompletionMessage{
 				{
 					Role:    "user",
@@ -183,7 +187,7 @@ func (c *ChatGPT) ChatWithContext(question string) (answer string, err error) {
 		return resp.Choices[0].Message.Content, nil
 	} else {
 		req := openai.CompletionRequest{
-			Model:            public.Config.Model,
+			Model:            model,
 			MaxTokens:        c.maxAnswerLen,
 			Prompt:           prompt,
 			Temperature:      0.9,