diff --git a/yaffs2.spec b/yaffs2.spec
index f8288b7..e333044 100644
--- a/yaffs2.spec
+++ b/yaffs2.spec
@@ -16,9 +16,14 @@ robust and suitable for embedded use with NAND and NOR Flash.
 It is widely used with Linux, RTOSs, or no OS at all, in consumer 
 devices, avionics, or on commercial terms from Aleph one.
 
+%prep
+# auto apply all needed patch with git
+%autosetup -n %{name}-%{version} -p1 -v
+
 %files
 
 %changelog
+* Wed Sept 13 2023 fanglinxu <fanglinxu@huawei.com> - 9d9b662-1
 * Wed Aug 16 2023 hanzongcheng <hanzongcheng@huawei.com> - 9d9b662-1
 - update to 9d9b662
 * Wed Nov 2 2022 beiling.xie <xiekunxun@huawei.com> - b4ce1bb-1