diff --git a/handlers/message_created.go b/handlers/message_created.go
index 2042878..29b5e05 100644
--- a/handlers/message_created.go
+++ b/handlers/message_created.go
@@ -1,7 +1,6 @@
 package handlers
 
 import (
-	"fmt"
 	"hal/env"
 	"hal/openai"
 	"log"
@@ -26,8 +25,6 @@ func OnMessageCreated(s *discordgo.Session, m *discordgo.MessageCreate) {
 			if _, err = s.ChannelMessageSend(m.ChannelID, aiResponse); err != nil {
 				log.Panicf("failed to send the response [%s] to the discord channel [%s]", aiResponse, err.Error())
 			}
-		} else {
-			fmt.Println("### no response ##")
 		}
 
 		return
diff --git a/openai/client.go b/openai/client.go
index a1527e0..6eb58c1 100644
--- a/openai/client.go
+++ b/openai/client.go
@@ -21,7 +21,7 @@ func NewClient(token string) *Client {
 
 func (c Client) Completions(prompt string) (*CompletionResponse, error) {
 	body := &CompletionPayload{
-		Model:       "gpt-3.5-turbo",
+		Model:       "text-davinci-003",
 		Prompt:      cleanPrompt(prompt),
 		MaxTokens:   100,
 		Temperature: 1,