diff --git a/chat/service.go b/chat/service.go
index 16a8960..2bec4c7 100644
--- a/chat/service.go
+++ b/chat/service.go
@@ -77,7 +77,7 @@ func (api *Api) wsPingMsg(conn *websocket.Conn, chClose, chIsCloseSet chan int)
 func (api *Api) GetChatMessage(conn *websocket.Conn, cli *openai.Client, mutex *sync.Mutex, requestMsg string) {
 	var err error
 	var strResp string
-	model := openai.GPT40314
+	model := openai.GPT3Dot5Turbo0301
 	req := openai.ChatCompletionRequest{
 		Model:       model,
 		MaxTokens:   api.Config.MaxLength,