diff --git a/bugfix-wait-for-device-mapper-device-is-created.patch b/bugfix-wait-for-device-mapper-device-is-created.patch
deleted file mode 100644
index 9a00dc5..0000000
--- a/bugfix-wait-for-device-mapper-device-is-created.patch
+++ /dev/null
@@ -1,46 +0,0 @@
-From 4811d40604f58696ddd738cea336d3af53248329 Mon Sep 17 00:00:00 2001
-From: Wang shuo <wangshuo47@huawei.com>
-Date: Thu, 20 Jun 2019 11:17:28 +0800
-Subject: [PATCH] os-prober: wait for device mapper device is created
-
-reason: wait for device mapper device is created
-
-Signed-off-by: Wang shuo <wangshuo47@huawei.com>
----
- common.sh | 10 ++++++++++
- 1 file changed, 10 insertions(+)
-
-diff --git a/common.sh b/common.sh
-index 8030efa..0980208 100644
---- a/common.sh
-+++ b/common.sh
-@@ -225,9 +225,11 @@ find_uuid () {
- 
- do_dmsetup () {
- 	local prefix partition dm_device partition_name size_p
-+	local int
- 	prefix="$1"
- 	partition="$2"
- 	dm_device=
-+	int=1
- 
- 	if type dmsetup >/dev/null 2>&1 && \
- 	   type blockdev >/dev/null 2>&1; then
-@@ -240,6 +242,14 @@ do_dmsetup () {
- 		else
- 			debug "creating device mapper device $dm_device"
- 			echo "0 $size_p linear $partition 0" | dmsetup create -r $partition_name
-+			while(( $int<=3 ))
-+			do
-+				if [ -e "$dm_device" ]; then
-+					break
-+				fi
-+				let "int++"
-+				sleep 1
-+			done
- 		fi
- 	fi
- 	echo "$dm_device"
--- 
-2.19.1
-
diff --git a/os-prober-1.74.tar.gz b/os-prober-1.74.tar.gz
deleted file mode 100644
index 0a809c2..0000000
Binary files a/os-prober-1.74.tar.gz and /dev/null differ
diff --git a/os-prober-1.77.tar.gz b/os-prober-1.77.tar.gz
new file mode 100644
index 0000000..c9cc5e0
Binary files /dev/null and b/os-prober-1.77.tar.gz differ
diff --git a/os-prober.spec b/os-prober.spec
index 5ec0d59..b54134c 100644
--- a/os-prober.spec
+++ b/os-prober.spec
@@ -1,6 +1,6 @@
 Name:           os-prober
-Version:        1.74
-Release:        12
+Version:        1.77
+Release:        1
 Summary:        Probe disks on the system for other operating systems
 License:        GPLv2+ and GPL+
 URL:            http://kitenet.net/~joey/code/os-prober/
@@ -14,8 +14,6 @@ Patch4:         os-prober-grub2-parsefix.patch
 Patch5:         os-prober-grepfix.patch
 Patch6:         os-prober-gentoo-fix.patch
 
-Patch9000:      bugfix-wait-for-device-mapper-device-is-created.patch
-
 BuildRequires:  gcc git
 Requires:       udev coreutils util-linux grep /bin/sed /sbin/modprobe device-mapper
 
@@ -84,6 +82,9 @@ fi
 %{_libexecdir}/*
 
 %changelog
+* Thu Jul 23 2020 linwei<linwei54@huawei.com> - 1.77-1
+- update os-prober to 1.77
+
 * Thu Feb 27 2020 openEuler Buildteam <buildteam@openeuler.org> - 1.74-12
 - fix os-prober command failed.