diff --git a/dao/print_dao.go b/dao/print_dao.go
index d22c557..439f294 100644
--- a/dao/print_dao.go
+++ b/dao/print_dao.go
@@ -247,7 +247,7 @@ func GetUserBindAppNo(db *sqlx.DB, userId string) (int, error) {
 		  FROM printer 
          WHERE 1 = 1 AND deleted_at = ? AND user_id = ?
 	`
-	sqlParams := []interface{}{utils.DefaultTimeValue}
+	var sqlParams []interface{}
 	sqlParams = append(sqlParams, utils.DefaultTimeValue, userId)
 
 	var printers []*model.Printer