diff --git a/README.md b/README.md
index 860e3e5..abaf410 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # Hosts切换器
 > macos & linux专用。windows自己找别的。
 
+![preview](./preview/image.png)
+
 ## 安装
 
 添加[`repo.debianx.in`](https://repo.debianx.in)源之后, 可直接使用`apt install hosts-switch`直接安装.
diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..7786a0f
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+if [ -d unpack ]; then
+  sudo rm -rf unpack
+fi
+
+version="3.0.0"
+
+mkdir -p unpack/DEBIAN
+
+cp debian/control unpack/DEBIAN/
+cp -r usr unpack/
+
+mkdir -p unpack/usr/share/icons/hicolor/128x128/apps
+mkdir -p unpack/usr/share/icons/hicolor/256x256/apps
+
+cp icons/128x128.png unpack/usr/share/icons/hicolor/128x128/apps/hosts-switch.png
+cp icons/256x256.png unpack/usr/share/icons/hicolor/256x256/apps/hosts-switch.png
+
+cd unpack
+find usr -type f | xargs md5sum > DEBIAN/md5sums
+
+_size=$(du -d 0 usr | cut -f1)
+du -d 0 usr
+echo $_size
+
+sed -i "s/{{size}}/${_size}/" DEBIAN/control
+sed -i "s/{{version}}/${version}/" DEBIAN/control
+
+cd ..
+dpkg-deb -b unpack/ "hosts-switch-${version}.deb"
+
+sudo rm -rf unpack
\ No newline at end of file
diff --git a/debian/control b/debian/control
index b6a54f5..b874a34 100644
--- a/debian/control
+++ b/debian/control
@@ -1,10 +1,10 @@
 Package: hosts-switch
-Version: 3.0.0
+Version: {{version}}
 Section: develop
 Architecture: all
 Priority: optional
 Maintainer: Yutent <yutent.io@gmail.com>
-Installed-Size: 0
+Installed-Size: {{size}}
 Depends: python3-webengine-gtk3
 Homepage: https://git.wkit.fun/appcat/hosts-switch/
 Author: yutent
diff --git a/hosts-switch-3.0.0.deb b/hosts-switch-3.0.0.deb
new file mode 100644
index 0000000..54551bc
Binary files /dev/null and b/hosts-switch-3.0.0.deb differ
diff --git a/icons/512x512.png b/icons/512x512.png
deleted file mode 100644
index 46b31a0..0000000
Binary files a/icons/512x512.png and /dev/null differ
diff --git a/preview/image.png b/preview/image.png
new file mode 100644
index 0000000..bf0a2f1
Binary files /dev/null and b/preview/image.png differ
diff --git a/usr/share/applications/hosts-switch.desktop b/usr/share/applications/hosts-switch.desktop
new file mode 100644
index 0000000..e5f58a5
--- /dev/null
+++ b/usr/share/applications/hosts-switch.desktop
@@ -0,0 +1,9 @@
+[Desktop Entry]
+Name=Hosts Switch
+Comment[zh_CN]=Hosts文件修改器
+Exec=hosts-switch
+Icon=hosts-switch
+Terminal=false
+X-MultipleArgs=false
+Type=Application
+Categories=Development;
\ No newline at end of file