diff --git a/dao/print_dao.go b/dao/print_dao.go
index 5b5578c..1169cb7 100644
--- a/dao/print_dao.go
+++ b/dao/print_dao.go
@@ -149,7 +149,7 @@ func GetPrintIsUse(printNo string) (bool, string, error) {
 
 func GetPrintMessagesPage(db *sqlx.DB, printNo, msgID, beginAt, endAt string, offset, pageSize int) (page *model.PagedInfo, err error) {
 	var (
-		printMsgs          []*model.PrintMsg
+		printMsgs          []model.PrintMsg
 		count              int
 		beginTime, endTime time.Time
 	)