diff --git a/config/config.go b/config/config.go
index 8cac24c5853cb171db085a5ff98b0f3db5947515..3c092f458c480b647994ecd19bf6007fd6956548 100644
--- a/config/config.go
+++ b/config/config.go
@@ -42,7 +42,7 @@ func LoadConfig() *Configuration {
 			AutoPass:          false,
 			SessionTimeout:    60,
 			MaxTokens:         512,
-			Model:             "text-davinci-003",
+			Model:             "gpt-3.5-turbo",
 			Temperature:       0.9,
 			SessionClearToken: "下一个问题",
 		}