From 7c17e0ac3dae1e6dfa5bd3dff3fd1775594fcf80 Mon Sep 17 00:00:00 2001
From: Wang Yanzhang <i8run15@gmail.com>
Date: Tue, 7 Nov 2017 03:56:00 -0500
Subject: [PATCH] refator: update initialize method for serialization