diff --git a/service/doubao.go b/service/doubao.go
index 4e509e6..1f04a34 100644
--- a/service/doubao.go
+++ b/service/doubao.go
@@ -90,8 +90,6 @@ func DouBaoV2(modelParam proto.ModelParam, imCtx *proto.IMParamContext) {
 	if err != nil {
 		log.Println("get doubao session history message error:", err)
 	}
-	messagesStr, _ := json.Marshal(messages)
-	log.Println("doubao messages:", string(messagesStr))
 
 	req := model.CreateChatCompletionRequest{
 		Model:    modelParam.Model,
@@ -100,6 +98,8 @@ func DouBaoV2(modelParam proto.ModelParam, imCtx *proto.IMParamContext) {
 			IncludeUsage: true,
 		},
 	}
+	messagesStr, _ := json.Marshal(req)
+	log.Println("doubao req messages:", string(messagesStr))
 
 	stream, err := doubaoClient.CreateChatCompletionStream(ctx, req)
 	if err != nil {