diff --git a/.github/workflows/debug.yml b/.github/workflows/debug.yml
index 7147a8d2..2071776b 100644
--- a/.github/workflows/debug.yml
+++ b/.github/workflows/debug.yml
@@ -181,18 +181,9 @@ jobs:
           key: go-${{ hashFiles('**/go.sum') }}
       - name: Build
         id: build
-        run: |
-          VERSION="$(date +%Y%m%d).$(git rev-parse --short HEAD)"
-          BUILDTIME="$(LANG=en_US.UTF-8 date -u)"
-          
-          go build -v -trimpath -ldflags '\
-            -X "github.com/sagernet/sing-box/constant.Version=$VERSION" \
-          	-X "github.com/sagernet/sing-box/constant.BuildTime=$BUILDTIME" \
-          	-s -w -buildid=' ./cmd/sing-box
-          
-          echo "::set-output name=VERSION::$VERSION"
+        run: make
       - name: Upload artifact
         uses: actions/upload-artifact@v2
         with:
-          name: sing-box-${{ matrix.name }}-${{ steps.build.outputs.VERSION }}
+          name: sing-box-${{ matrix.name }}
           path: sing-box*
\ No newline at end of file
diff --git a/.golangci.yml b/.golangci.yml
index 012d08a1..88628eca 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -17,4 +17,4 @@ linters-settings:
       - prefix(github.com/sagernet/)
       - default
   staticcheck:
-    go: '1.18'
+    go: '1.19'
diff --git a/Makefile b/Makefile
new file mode 100644
index 00000000..3dab7f57
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,49 @@
+NAME=sing-box
+COMMIT=$(shell git rev-parse --short HEAD)
+PARAMS=-trimpath -tags '$(TAGS)' -ldflags \
+		'-X "github.com/sagernet/sing-box/constant.Commit=$(COMMIT)" \
+		-w -s -buildid='
+MAIN=./cmd/sing-box
+
+.PHONY: test
+
+build:
+	go build $(PARAMS) $(MAIN)
+
+action_version: build
+	echo "::set-output name=VERSION::`./sing-box version -n`"
+
+install:
+	go install $(PARAMS) $(MAIN)
+
+fmt_install:
+	go install -v mvdan.cc/gofumpt@latest
+	go install -v github.com/daixiang0/gci@v0.4.0
+
+fmt:
+	gofumpt -l -w .
+	gofmt -s -w .
+	gci write -s "standard,prefix(github.com/sagernet/),default" .
+
+lint_install:
+	go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
+
+lint:
+	GOOS=linux golangci-lint run ./...
+	GOOS=windows golangci-lint run ./...
+	GOOS=darwin golangci-lint run ./...
+	GOOS=freebsd golangci-lint run ./...
+
+test:
+	go test -v . && \
+	pushd test && \
+	go test -v . && \
+	popd
+
+clean:
+	rm -f $(shell go env GOPATH)/sing-box
+
+update:
+	git fetch
+	git reset FETCH_HEAD --hard
+	git clean -fdx
\ No newline at end of file
diff --git a/cmd/sing-box/cmd_version.go b/cmd/sing-box/cmd_version.go
index 6327d814..e1ecc381 100644
--- a/cmd/sing-box/cmd_version.go
+++ b/cmd/sing-box/cmd_version.go
@@ -17,11 +17,37 @@ var commandVersion = &cobra.Command{
 	Args:  cobra.NoArgs,
 }
 
-func printVersion(cmd *cobra.Command, args []string) {
-	os.Stderr.WriteString(F.ToString("sing-box version ", C.Version, " (", runtime.Version(), ", ", runtime.GOOS, "/", runtime.GOARCH, ", CGO "))
-	if C.CGO_ENABLED {
-		os.Stderr.WriteString("enabled)\n")
-	} else {
-		os.Stderr.WriteString("disabled)\n")
-	}
+var nameOnly bool
+
+func init() {
+	commandVersion.Flags().BoolVarP(&nameOnly, "name", "n", false, "print version name only")
+}
+
+func printVersion(cmd *cobra.Command, args []string) {
+	var version string
+	if !nameOnly {
+		version = "sing-box "
+	}
+	version += F.ToString(C.Version)
+	if C.Commit != "" {
+		version += "." + C.Commit
+	}
+	if !nameOnly {
+		version += " ("
+		version += runtime.Version()
+		version += ", "
+		version += runtime.GOOS
+		version += ", "
+		version += runtime.GOARCH
+		version += ", "
+		version += "CGO "
+		if C.CGO_ENABLED {
+			version += "enabled"
+		} else {
+			version += "disabled"
+		}
+		version += ")"
+	}
+	version += "\n"
+	os.Stdout.WriteString(version)
 }
diff --git a/constant/version.go b/constant/version.go
index 037699f4..e2612c6f 100644
--- a/constant/version.go
+++ b/constant/version.go
@@ -1,6 +1,6 @@
 package constant
 
 var (
-	Version   = "nightly"
-	BuildTime = "unknown"
+	Version = "20220812"
+	Commit  = ""
 )
diff --git a/format.go b/format.go
deleted file mode 100644
index 7b30b9ac..00000000
--- a/format.go
+++ /dev/null
@@ -1,7 +0,0 @@
-package box
-
-//go:generate go install -v mvdan.cc/gofumpt@latest
-//go:generate go install -v github.com/daixiang0/gci@v0.4.0
-//go:generate gofumpt -l -w .
-//go:generate gofmt -s -w .
-//go:generate gci write -s "standard,prefix(github.com/sagernet/),default" .