diff --git a/.editorconfig b/.editorconfig
index 9d08a1a..b200914 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -7,3 +7,6 @@ indent_size = 2
 end_of_line = lf
 insert_final_newline = true
 trim_trailing_whitespace = true
+
+[Makefile]
+indent_style = tab
diff --git a/.gitignore b/.gitignore
index 20282f4..29d6314 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /target
 .pnpm-store
 .env
+vendor
diff --git a/Cargo.lock b/Cargo.lock
index f85ac8b..c5c2616 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -903,19 +903,6 @@ dependencies = [
  "syn 1.0.109",
 ]
 
-[[package]]
-name = "downloader"
-version = "0.2.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d05213e96f184578b5f70105d4d0a644a168e99e12d7bea0b200c15d67b5c182"
-dependencies = [
- "futures",
- "rand 0.8.5",
- "reqwest",
- "thiserror",
- "tokio",
-]
-
 [[package]]
 name = "dtoa"
 version = "1.0.9"
@@ -1514,7 +1501,6 @@ dependencies = [
  "anyhow",
  "clap",
  "compile-time",
- "downloader",
  "env_logger",
  "futures-util",
  "gpapi",
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..c84b7c2
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,36 @@
+build: build-fe build-rs gpgui-helper
+
+build-fe:
+	cd apps/gpgui-helper && pnpm install && pnpm build
+
+build-rs:
+	cargo build --release --frozen -p gpclient -p gpauth -p gpservice
+
+gpgui-helper:
+	cargo build --release --frozen -p gpgui-helper --features "tauri/custom-protocol"
+
+install:
+	install -Dm755 target/release/gpclient $(DESTDIR)/usr/bin/gpclient
+	install -Dm755 target/release/gpauth $(DESTDIR)/usr/bin/gpauth
+	install -Dm755 target/release/gpservice $(DESTDIR)/usr/bin/gpservice
+	install -Dm755 target/release/gpgui-helper $(DESTDIR)/usr/bin/gpgui-helper
+
+	install -Dm644 packaging/files/usr/share/applications/gpgui.desktop $(DESTDIR)/usr/share/applications/gpgui.desktop
+	install -Dm644 packaging/files/usr/share/icons/hicolor/scalable/apps/gpgui.svg $(DESTDIR)/usr/share/icons/hicolor/scalable/apps/gpgui.svg
+	install -Dm644 packaging/files/usr/share/icons/hicolor/32x32/apps/gpgui.png $(DESTDIR)/usr/share/icons/hicolor/32x32/apps/gpgui.png
+	install -Dm644 packaging/files/usr/share/icons/hicolor/128x128/apps/gpgui.png $(DESTDIR)/usr/share/icons/hicolor/128x128/apps/gpgui.png
+	install -Dm644 packaging/files/usr/share/icons/hicolor/256x256@2/apps/gpgui.png $(DESTDIR)/usr/share/icons/hicolor/256x256@2/apps/gpgui.png
+	install -Dm644 packaging/files/usr/share/polkit-1/actions/com.yuezk.gpgui.policy $(DESTDIR)/usr/share/polkit-1/actions/com.yuezk.gpgui.policy
+
+uninstall:
+	rm -f $(DESTDIR)/usr/bin/gpclient
+	rm -f $(DESTDIR)/usr/bin/gpauth
+	rm -f $(DESTDIR)/usr/bin/gpservice
+	rm -f $(DESTDIR)/usr/bin/gpgui-helper
+
+	rm -f $(DESTDIR)/usr/share/applications/gpgui.desktop
+	rm -f $(DESTDIR)/usr/share/icons/hicolor/scalable/apps/gpgui.svg
+	rm -f $(DESTDIR)/usr/share/icons/hicolor/32x32/apps/gpgui.png
+	rm -f $(DESTDIR)/usr/share/icons/hicolor/128x128/apps/gpgui.png
+	rm -f $(DESTDIR)/usr/share/icons/hicolor/256x256@2/apps/gpgui.png
+	rm -f $(DESTDIR)/usr/share/polkit-1/actions/com.yuezk.gpgui.policy
diff --git a/apps/gpgui-helper/.gitignore b/apps/gpgui-helper/.gitignore
index a547bf3..f52de67 100644
--- a/apps/gpgui-helper/.gitignore
+++ b/apps/gpgui-helper/.gitignore
@@ -22,3 +22,4 @@ dist-ssr
 *.njsproj
 *.sln
 *.sw?
+.vite
diff --git a/apps/gpgui-helper/src-tauri/Cargo.toml b/apps/gpgui-helper/src-tauri/Cargo.toml
index 839e1f6..51d972c 100644
--- a/apps/gpgui-helper/src-tauri/Cargo.toml
+++ b/apps/gpgui-helper/src-tauri/Cargo.toml
@@ -18,7 +18,6 @@ clap.workspace = true
 compile-time.workspace = true
 env_logger.workspace = true
 futures-util.workspace = true
-downloader = "0.2"
 tempfile.workspace = true
 reqwest = { workspace = true, features = ["stream"] }
 
diff --git a/packaging/files/usr/share/applications/gpgui.desktop b/packaging/files/usr/share/applications/gpgui.desktop
new file mode 100644
index 0000000..8ad6418
--- /dev/null
+++ b/packaging/files/usr/share/applications/gpgui.desktop
@@ -0,0 +1,11 @@
+[Desktop Entry]
+
+Type=Application
+Name=GlobalProtect Openconnect VPN Client
+Comment=A GUI for GlobalProtect VPN
+GenericName=GlobalProtect VPN Client
+Categories=Network;Dialup;
+Exec=/usr/bin/gpclient launch-gui %u
+MimeType=x-scheme-handler/globalprotectcallback;
+Icon=gpgui
+Keywords=GlobalProtect;Openconnect;SAML;connection;VPN;
diff --git a/packaging/files/usr/share/icons/hicolor/128x128/apps/gpgui.png b/packaging/files/usr/share/icons/hicolor/128x128/apps/gpgui.png
new file mode 100644
index 0000000..d7e9730
Binary files /dev/null and b/packaging/files/usr/share/icons/hicolor/128x128/apps/gpgui.png differ
diff --git a/packaging/files/usr/share/icons/hicolor/256x256@2/apps/gpgui.png b/packaging/files/usr/share/icons/hicolor/256x256@2/apps/gpgui.png
new file mode 100644
index 0000000..301c18a
Binary files /dev/null and b/packaging/files/usr/share/icons/hicolor/256x256@2/apps/gpgui.png differ
diff --git a/packaging/files/usr/share/icons/hicolor/32x32/apps/gpgui.png b/packaging/files/usr/share/icons/hicolor/32x32/apps/gpgui.png
new file mode 100644
index 0000000..a29d98a
Binary files /dev/null and b/packaging/files/usr/share/icons/hicolor/32x32/apps/gpgui.png differ
diff --git a/packaging/files/usr/share/icons/hicolor/scalable/apps/gpgui.svg b/packaging/files/usr/share/icons/hicolor/scalable/apps/gpgui.svg
new file mode 100644
index 0000000..bccc611
--- /dev/null
+++ b/packaging/files/usr/share/icons/hicolor/scalable/apps/gpgui.svg
@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In . SVG Version: 6.00 Build 0)  -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.1"
+   id="Layer_1"
+   x="0px"
+   y="0px"
+   viewBox="0 0 96 96"
+   style="enable-background:new 0 0 96 96;"
+   xml:space="preserve"
+   sodipodi:docname="com.yuezk.qt.gpclient.svg"
+   inkscape:version="0.92.4 5da689c313, 2019-01-14"><metadata
+   id="metadata14"><rdf:RDF><cc:Work
+       rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
+         rdf:resource="http://purl.org/dc/dcmitype/StillImage" /><dc:title /></cc:Work></rdf:RDF></metadata><defs
+   id="defs12" /><sodipodi:namedview
+   pagecolor="#ffffff"
+   bordercolor="#666666"
+   borderopacity="1"
+   objecttolerance="10"
+   gridtolerance="10"
+   guidetolerance="10"
+   inkscape:pageopacity="0"
+   inkscape:pageshadow="2"
+   inkscape:window-width="1920"
+   inkscape:window-height="1006"
+   id="namedview10"
+   showgrid="false"
+   inkscape:zoom="6.9532168"
+   inkscape:cx="7.9545315"
+   inkscape:cy="59.062386"
+   inkscape:window-x="0"
+   inkscape:window-y="0"
+   inkscape:window-maximized="1"
+   inkscape:current-layer="g8499" />
+<style
+   type="text/css"
+   id="style2">
+	.st0{fill:#2980B9;}
+	.st1{fill:#3498DB;}
+	.st2{fill:#2ECC71;}
+	.st3{fill:#27AE60;}
+</style>
+
+<g
+   id="g8499"
+   transform="matrix(1.3407388,0,0,1.3407388,-16.409202,-16.355463)"><g
+     id="XMLID_1_">
+	<circle
+   r="32.5"
+   cy="48"
+   cx="48"
+   class="st0"
+   id="XMLID_3_"
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+	<path
+   d="m 48,15.5 v 65 C 65.9,80.5 80.5,65.7 80.5,48 80.5,30 65.9,15.5 48,15.5 Z"
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diff --git a/packaging/files/usr/share/polkit-1/actions/com.yuezk.gpgui.policy b/packaging/files/usr/share/polkit-1/actions/com.yuezk.gpgui.policy
new file mode 100644
index 0000000..8c8af09
--- /dev/null
+++ b/packaging/files/usr/share/polkit-1/actions/com.yuezk.gpgui.policy
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE policyconfig PUBLIC "-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN" "http://www.freedesktop.org/standards/PolicyKit/1/policyconfig.dtd">
+<policyconfig>
+  <vendor>The GlobalProtect-openconnect Project</vendor>
+  <vendor_url>https://github.com/yuezk/GlobalProtect-openconnect</vendor_url>
+  <icon_name>gpgui</icon_name>
+  <action id="com.yuezk.gpgui.service">
+    <description>Run GPService as root</description>
+    <message>Authentication is required to run the GPService as root</message>
+    <defaults>
+      <allow_any>auth_admin</allow_any>
+      <allow_inactive>auth_admin</allow_inactive>
+      <allow_active>yes</allow_active>
+    </defaults>
+    <annotate key="org.freedesktop.policykit.exec.path">/usr/bin/gpservice</annotate>
+    <annotate key="org.freedesktop.policykit.exec.allow_gui">true</annotate>
+  </action>
+</policyconfig>