From 140289f856d5cea0ee5b1657dc81987d022c494c Mon Sep 17 00:00:00 2001
From: zhaoguangwei <zhaoguangwei@jd.com>
Date: Thu, 16 Jul 2020 19:57:25 +0800
Subject: [PATCH] if return null, then get "";

---
 core      | 2 +-
 framework | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/core b/core
index f9bcd620..572174ce 160000
--- a/core
+++ b/core
@@ -1 +1 @@
-Subproject commit f9bcd620151b634e07b23add63a8629aca9fde1c
+Subproject commit 572174ce4af367563f514bc6304bf139ca804247
diff --git a/framework b/framework
index 16e99ecd..b7f5876d 160000
--- a/framework
+++ b/framework
@@ -1 +1 @@
-Subproject commit 16e99ecdd0e280655ddeee096ae8e39eca06dc92
+Subproject commit b7f5876dd9454502d3b8c2361cbd1580b81d744d