diff --git a/service/doubao.go b/service/doubao.go
index b5cc214..4e509e6 100644
--- a/service/doubao.go
+++ b/service/doubao.go
@@ -211,12 +211,13 @@ func GetDouBaoSessionHistoryMsg(sessionID int, systemPrompt string, messages *[]
 			if v.Status == proto.UserToModelImageMsgType {
 				var imgMsg proto.UserImageMsg
 				err2 := json.Unmarshal([]byte(v.Msg), &imgMsg)
+				log.Println("user image message:", imgMsg)
 				if err2 != nil {
 					log.Println("unmarshal user image message error:", err2)
 					return err2
 				}
 				//用户消息为图片类型
-				listValue := []*model.ChatCompletionMessageContentPart{}
+				var listValue []*model.ChatCompletionMessageContentPart
 				listValue = append(listValue, &model.ChatCompletionMessageContentPart{
 					Type: model.ChatCompletionMessageContentPartTypeText,
 					Text: imgMsg.Text,