diff --git a/freeclock-set-rtc_date_diff-for-X86.patch b/freeclock-set-rtc_date_diff-for-X86.patch
new file mode 100644
index 0000000..bb81b33
--- /dev/null
+++ b/freeclock-set-rtc_date_diff-for-X86.patch
@@ -0,0 +1,30 @@
+From 3d0846d864384be3d08a54ca6e2ce247a5cee952 Mon Sep 17 00:00:00 2001
+From: l00500761 <liuxiangdong5@huawei.com>
+Date: Thu, 10 Feb 2022 14:25:30 +0800
+Subject: [PATCH] freeclock: set rtc_date_diff for X86
+
+Set rtc_date_diff in mc146818rtc.
+
+Signed-off-by: l00500761 <liuxiangdong5@huawei.com>
+Signed-off-by: zhangxinhao <zhangxinhao1@huawei.com>
+---
+ hw/rtc/mc146818rtc.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/hw/rtc/mc146818rtc.c b/hw/rtc/mc146818rtc.c
+index 4fbafddb22..af1df9aaeb 100644
+--- a/hw/rtc/mc146818rtc.c
++++ b/hw/rtc/mc146818rtc.c
+@@ -616,7 +616,8 @@ static void rtc_set_time(RTCState *s)
+     s->base_rtc = mktimegm(&tm);
+     s->last_update = qemu_clock_get_ns(rtc_clock);
+ 
+-    qapi_event_send_rtc_change(qemu_timedate_diff(&tm));
++    set_rtc_date_diff(qemu_timedate_diff(&tm));
++    qapi_event_send_rtc_change(get_rtc_date_diff());
+ }
+ 
+ static void rtc_set_cmos(RTCState *s, const struct tm *tm)
+-- 
+2.27.0
+