diff --git a/.gitignore b/.gitignore
index 3b587c7a..24dcee8a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 /target
 .pnpm-store
 .env
-vendor
+.vendor
+*.tar.xz
 
 .cargo
diff --git a/Makefile b/Makefile
index 42c2b004..cfbf1571 100644
--- a/Makefile
+++ b/Makefile
@@ -1,24 +1,63 @@
-VERSION=$(shell cargo metadata --no-deps --format-version 1 | jq -r '.packages[0].version')
-PKG_NAME=globalprotect-openconnect-$(VERSION)
+OFFLINE ?= 0
+CARGO ?= cargo
+VERSION = $(shell $(CARGO) metadata --no-deps --format-version 1 | jq -r '.packages[0].version')
+PKG_NAME = globalprotect-openconnect-$(VERSION)
 
-build: build-fe build-rs gpgui-helper
+CARGO_BUILD_ARGS = --release
 
+ifeq ($(OFFLINE), 1)
+	CARGO_BUILD_ARGS += --frozen
+endif
+
+default: build
+
+version:
+	@echo $(VERSION)
+
+# Generate a vendor tarball and a .cargo/config.toml file
+cargo-vendor:
+	mkdir -p .cargo
+
+	$(CARGO) vendor .vendor > .cargo/config.toml
+	tar -cJf vendor.tar.xz .vendor
+
+tarball: clean clean-tarball build-fe cargo-vendor
+	rm -rf apps/gpgui-helper/node_modules
+
+	tar --transform 's,^,${PKG_NAME}/,' -czf ../${PKG_NAME}.tar.gz * .cargo
+
+# Extract the vendor tarball to the .vendor directory if it exists
+extract-vendor:
+	if [ -f vendor.tar.xz ]; then tar -xJf vendor.tar.xz; fi
+
+build: extract-vendor build-fe build-rs gpgui-helper
+
+# Install and build the frontend
+# If OFFLINE is set to 1, skip it
 build-fe:
-	cd apps/gpgui-helper && pnpm install && pnpm build
+	if [ $(OFFLINE) -eq 0 ]; then \
+		cd apps/gpgui-helper && pnpm install && pnpm build; \
+	fi
+
+	if [ ! -d apps/gpgui-helper/dist ]; then \
+		echo "Error: frontend build failed"; \
+		exit 1; \
+	fi
 
 build-rs:
-	cargo build --release --frozen -p gpclient -p gpauth -p gpservice
+	$(CARGO) build $(CARGO_BUILD_ARGS) -p gpclient -p gpauth -p gpservice
 
 gpgui-helper:
-	cargo build --release --frozen -p gpgui-helper --features "tauri/custom-protocol"
+	$(CARGO) build $(CARGO_BUILD_ARGS) -p gpgui-helper --features "tauri/custom-protocol"
 
-tarball: build-fe
+clean:
+	$(CARGO) clean
+	rm -rf .vendor
 	rm -rf apps/gpgui-helper/node_modules
 
-	mkdir -p .cargo
-	cargo vendor > .cargo/config.toml
-
-	tar --transform 's,^,${PKG_NAME}/,' -cJf ../${PKG_NAME}.tar.xz * .cargo
+clean-tarball:
+	rm -rf vendor.tar.xz
+	rm -rf ../$(PKG_NAME).tar.gz
 
 install:
 	install -Dm755 target/release/gpclient $(DESTDIR)/usr/bin/gpclient
@@ -45,3 +84,6 @@ uninstall:
 	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
+
+deb:
+	debmake -e "k3vinyue@gmail.com" -f "Kevin Yue"