diff --git a/gvfs.spec b/gvfs.spec
index 067f472..073e488 100644
--- a/gvfs.spec
+++ b/gvfs.spec
@@ -24,7 +24,7 @@
 
 Name: gvfs
 Version: 1.40.2
-Release: 5
+Release: 6
 Summary: gvfs is a backends for the gio framework in GLib
 License: GPLv3 and LGPLv2+ and BSD and MPLv2.0
 URL: https://wiki.gnome.org/Projects/gvfs
@@ -51,7 +51,7 @@ BuildRequires: pkgconfig(libimobiledevice-1.0) >= %{libimobiledevice_version}
 BuildRequires: pkgconfig(libplist) >= %{libplist_version}
 BuildRequires: libgcrypt-devel >= %{libgcrypt_version}
 BuildRequires: pkgconfig(libmtp) >= %{libmtp_version}
-BuildRequires: pkgconfig(libnfs) >= %{libnfs_version}
+BuildRequires: pkgconfig(libnfs) >= %{libnfs_version} gdb
 
 Requires: glib2%{?_isa} >= %{glib2_version} udisks2 >= %{udisks2_version}
 Requires: fuse >= %{fuse_version}
@@ -75,6 +75,7 @@ Gvfs also contains modules for GIO that implement volume monitors and persistent
 
 %package  client
 Summary:  Client modules of backends for the gio framework in GLib
+Obsoletes: python2-samba
 Conflicts: %{name} < 1.25.2-2
 
 %description client
@@ -204,6 +205,9 @@ killall -USR1 gvfsd >&/dev/null || :
 %{_mandir}/man1/gvfsd-fuse.1*
 
 %changelog
+* Sat Mar 21 2020 songnannan <songnannan2@huawei.com> - 1.40.2-6
+- bugfix about update
+
 * Fri Mar 20 2020 songnannan <songnannan2@huawei.com> - 1.40.2-5
 - add gdb in buildrequires