diff --git a/dconf.spec b/dconf.spec
index 0c89d7f..959b66a 100644
--- a/dconf.spec
+++ b/dconf.spec
@@ -1,12 +1,14 @@
 Name:           dconf
 Version:        0.40.0
-Release:        1
+Release:        2
 Summary:        Dconf provides a backend to the GSettings API in Glib
 
 License:        LGPLv2+ and GPLv2+ and GPLv3+
 URL:            http://live.gnome.org/%{name}
 Source0:        http://download.gnome.org/sources/%{name}/0.40/%{name}-%{version}.tar.xz
 
+Patch9000:	memset-chunk-date-to-eliminate-discrepancy.patch
+
 BuildRequires:  bash-completion dbus-devel glib2-devel >= 2.44.0 gtk-doc meson vala libxslt
 Requires:       dbus glib2%{?_isa} >= 2.44.0
 
@@ -86,6 +88,9 @@ dconf update
 %{_mandir}/man7/dconf.7.gz
 
 %changelog
+* Tue Jan 18 2022 liuyumeng <liuyumeng5@huawei.com> - 0.40.0-2
+- add patch:dconf read random contents of memory causing discrepancy,initialize memory to eliminate discrepancy
+
 * Thu Dec 09 2021 liuyumeng <liuyumeng5@huawei.com> -0.40.0-1
 - update to 0.40.0
 
diff --git a/memset-chunk-date-to-eliminate-discrepancy.patch b/memset-chunk-date-to-eliminate-discrepancy.patch
new file mode 100644
index 0000000..d8f5ef9
--- /dev/null
+++ b/memset-chunk-date-to-eliminate-discrepancy.patch
@@ -0,0 +1,24 @@
+From e772e3047896fb72d4976e109ca579d567064050 Mon Sep 17 00:00:00 2001
+From: yanan <yanan@huawei.com>
+Date: Wed, 23 Feb 2022 11:33:48 +0800
+Subject: [PATCH] dconf read random contents of memory causing discrepancy,initialize memory to eliminate discrepancy
+
+---
+ gvdb/gvdb-builder.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/gvdb/gvdb-builder.c b/gvdb/gvdb-builder.c
+index 2383e60..31e2d8f 100644
+--- a/gvdb/gvdb-builder.c
++++ b/gvdb/gvdb-builder.c
+@@ -239,6 +239,7 @@ file_builder_allocate (FileBuilder         *fb,
+   chunk->offset = fb->offset;
+   chunk->size = size;
+   chunk->data = g_malloc (size);
++  memset(chunk->data, 0, size);
+ 
+   pointer->start = guint32_to_le (fb->offset);
+   fb->offset += size;
+-- 
+2.27.0
+