diff --git a/0001-multithread-using-the-number-of-processors-on-the-sy.patch b/0001-multithread-using-the-number-of-processors-on-the-sy.patch
deleted file mode 100644
index 8f6edcd..0000000
--- a/0001-multithread-using-the-number-of-processors-on-the-sy.patch
+++ /dev/null
@@ -1,12 +0,0 @@
-diff -uNr tumbler-0.3.1.orig/tumblerd/tumbler-group-scheduler.c tumbler-0.3.1/tumblerd/tumbler-group-scheduler.c
---- tumbler-0.3.1.orig/tumblerd/tumbler-group-scheduler.c	2020-11-16 00:19:23.000000000 +0800
-+++ tumbler-0.3.1/tumblerd/tumbler-group-scheduler.c	2021-06-15 20:05:33.748518520 +0800
-@@ -164,7 +164,7 @@
- 
-   /* allocate a pool with one thread for all requests */
-   scheduler->pool = g_thread_pool_new (tumbler_group_scheduler_thread, 
--                                       scheduler, 1, TRUE, NULL);
-+                                       scheduler, g_get_num_processors(), TRUE, NULL);
- 
- }
- 
diff --git a/README.en.md b/README.en.md
deleted file mode 100644
index 2f549bf..0000000
--- a/README.en.md
+++ /dev/null
@@ -1,36 +0,0 @@
-# tumbler
-
-#### Description
-D-Bus service for applications to request thumbnails
-
-#### Software Architecture
-Software architecture description
-
-#### Installation
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### Instructions
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### Contribution
-
-1.  Fork the repository
-2.  Create Feat_xxx branch
-3.  Commit your code
-4.  Create Pull Request
-
-
-#### Gitee Feature
-
-1.  You can use Readme\_XXX.md to support different languages, such as Readme\_en.md, Readme\_zh.md
-2.  Gitee blog [blog.gitee.com](https://blog.gitee.com)
-3.  Explore open source project [https://gitee.com/explore](https://gitee.com/explore)
-4.  The most valuable open source project [GVP](https://gitee.com/gvp)
-5.  The manual of Gitee [https://gitee.com/help](https://gitee.com/help)
-6.  The most popular members  [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
diff --git a/README.md b/README.md
deleted file mode 100644
index efe160d..0000000
--- a/README.md
+++ /dev/null
@@ -1,37 +0,0 @@
-# tumbler
-
-#### 介绍
-D-Bus service for applications to request thumbnails
-
-#### 软件架构
-软件架构说明
-
-
-#### 安装教程
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### 使用说明
-
-1.  xxxx
-2.  xxxx
-3.  xxxx
-
-#### 参与贡献
-
-1.  Fork 本仓库
-2.  新建 Feat_xxx 分支
-3.  提交代码
-4.  新建 Pull Request
-
-
-#### 码云特技
-
-1.  使用 Readme\_XXX.md 来支持不同的语言，例如 Readme\_en.md, Readme\_zh.md
-2.  码云官方博客 [blog.gitee.com](https://blog.gitee.com)
-3.  你可以 [https://gitee.com/explore](https://gitee.com/explore) 这个地址来了解码云上的优秀开源项目
-4.  [GVP](https://gitee.com/gvp) 全称是码云最有价值开源项目，是码云综合评定出的优秀开源项目
-5.  码云官方提供的使用手册 [https://gitee.com/help](https://gitee.com/help)
-6.  码云封面人物是一档用来展示码云会员风采的栏目 [https://gitee.com/gitee-stars/](https://gitee.com/gitee-stars/)
diff --git a/tumbler-4.16.0.tar.bz2 b/tumbler-4.16.0.tar.bz2
deleted file mode 100644
index 81ecb9e..0000000
Binary files a/tumbler-4.16.0.tar.bz2 and /dev/null differ
diff --git a/tumbler-4.18.0.tar.bz2 b/tumbler-4.18.0.tar.bz2
new file mode 100644
index 0000000..ce69f67
Binary files /dev/null and b/tumbler-4.18.0.tar.bz2 differ
diff --git a/tumbler.spec b/tumbler.spec
index 7d2a19c..d1b70f2 100644
--- a/tumbler.spec
+++ b/tumbler.spec
@@ -1,7 +1,7 @@
-%global xfceversion 4.16
+%global xfceversion 4.18
 
 Name:           tumbler
-Version:        4.16.0
+Version:        4.18.0
 Release:        1
 Summary:        D-Bus service for applications to request thumbnails
 
@@ -9,7 +9,6 @@ License:        GPLv2+ and LGPLv2+
 URL:            http://git.xfce.org/xfce/tumbler/
 #VCS git:git://git.xfce.org/xfce/tumbler
 Source0:        https://archive.xfce.org/src/xfce/%{name}/4.16/%{name}-%{version}.tar.bz2
-Patch1:         0001-multithread-using-the-number-of-processors-on-the-sy.patch
 BuildRequires: make
 BuildRequires:  gcc
 BuildRequires:  freetype-devel
@@ -19,6 +18,7 @@ BuildRequires:  intltool
 BuildRequires:  libpng-devel
 BuildRequires:  libjpeg-devel
 BuildRequires:  poppler-glib-devel
+BuildRequires:  libxfce4util-devel
 
 # extra thumbnailers
 BuildRequires:  gstreamer1-plugins-base-devel
@@ -55,7 +55,6 @@ that use %{name}.
 
 %prep
 %setup -q
-%patch1 -p1
 
 %build
 %configure --disable-static
@@ -83,7 +82,7 @@ find %{buildroot} -type f -name "*.la" -delete
 
 %files -f %{name}.lang
 %license COPYING
-%doc AUTHORS ChangeLog NEWS TODO
+%doc AUTHORS ChangeLog NEWS
 %config(noreplace) %{_sysconfdir}/xdg/tumbler/
 %{_datadir}/dbus-1/services/org.xfce.Tumbler.*.service
 %{_libdir}/libtumbler-*.so.*
@@ -91,6 +90,7 @@ find %{buildroot} -type f -name "*.la" -delete
 %{_datadir}/icons/hicolor/*/*/org.xfce*%{name}*
 %exclude %{_libdir}/tumbler-*/plugins/tumbler-gst-thumbnailer.so
 %exclude %{_libdir}/tumbler-*/plugins/tumbler-raw-thumbnailer.so
+%{_prefix}/lib/systemd/user/tumblerd.service
 
 %files extras
 %{_libdir}/tumbler-*/plugins/tumbler-gst-thumbnailer.so
@@ -106,6 +106,9 @@ find %{buildroot} -type f -name "*.la" -delete
 %{_includedir}/%{name}-1/tumbler
 
 %changelog
+* Wed Jan 04 2023 misaka00251 <liuxin@iscas.ac.cn> - 4.18.0-1
+- Update to 4.18.0
+
 * Thu Jun 23 2022 Dillon Chen <dillon.chen@gmail.com> - 4.16.0-1
 - Update to 4.16.0