diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
new file mode 100644
index 0000000..ab4f819
--- /dev/null
+++ b/.github/workflows/golangci-lint.yml
@@ -0,0 +1,23 @@
+name: golangci-lint
+on:
+  push:
+  pull_request:
+
+permissions:
+  contents: read
+
+jobs:
+  golangci:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.22'
+      - run: make ffi-deps
+      - name: golangci-lint
+        uses: golangci/golangci-lint-action@v6
+        with:
+          version: v1.60
+          args: --timeout=10m
diff --git a/Makefile b/Makefile
index 00e72fd..e07e660 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,6 @@
 unexport GOFLAGS
 
+GOFLAGS=-ldflags="-s -w"
 GO_BUILD_IMAGE?=golang:1.22.3
 VERSION?=$(shell git describe --always --tag --dirty)
 docker_sanitized_version=$(shell echo ${VERSION} | sed 's:/:-:g')
diff --git a/README-CN.md b/README-CN.md
index 3f99472..6487a49 100644
--- a/README-CN.md
+++ b/README-CN.md
@@ -46,10 +46,10 @@ OPTIONS:
 使用Docker运行服务:
 ```shell
 docker run -d --name extend \
-  -p 8000:8000 
-  -e FULLNODE_API_INFO="lotus api info" 
-  -v /path/to/extend:/app
-  gh-efforts/extend:latest run --listen 0.0.0.0:8000 --db /app/extend.db
+  -p 8000:8000 \
+  -e FULLNODE_API_INFO="lotus api info" \
+  -v /path/to/extend:/app \
+  ghcr.io/strahe/extend:latest run --listen 0.0.0.0:8000 --db /app/extend.db
 ```
 
 ### 开启鉴权 (可选)
diff --git a/README.md b/README.md
index f725496..221d24b 100644
--- a/README.md
+++ b/README.md
@@ -46,10 +46,10 @@ Get help
 Run the service using Docker:
 ```shell
 docker run -d --name extend \
-  -p 8000:8000 
-  -e FULLNODE_API_INFO="lotus api info" 
-  -v /path/to/extend:/app
-  gh-efforts/extend:latest run --listen 0.0.0.0:8000 --db /app/extend.db
+  -p 8000:8000 \
+  -e FULLNODE_API_INFO="lotus api info" \
+  -v /path/to/extend:/app \
+  ghcr.io/strahe/extend:latest run --listen 0.0.0.0:8000 --db /app/extend.db
 ```
 
 ### Enable authentication (optional)
diff --git a/auth.go b/auth.go
index 16a102c..e034eb9 100644
--- a/auth.go
+++ b/auth.go
@@ -77,10 +77,8 @@ func authMiddleware(secret []byte) mux.MiddlewareFunc {
 	return authHandler
 }
 
-const (
-	userCtxKey = "auth_user"
-)
+type userCtxKey struct{}
 
 func WithAuthUser(ctx context.Context, user string) context.Context {
-	return context.WithValue(ctx, userCtxKey, user)
+	return context.WithValue(ctx, userCtxKey{}, user)
 }
diff --git a/cmd.go b/cmd.go
index c22826e..bf38dbf 100644
--- a/cmd.go
+++ b/cmd.go
@@ -51,7 +51,7 @@ var authCreateTokenCmd = &cli.Command{
 		var d time.Duration
 		if cctx.IsSet("expiry") {
 			expiry := cctx.Timestamp("expiry")
-			d = expiry.Sub(time.Now())
+			d = time.Until(*expiry)
 		}
 
 		token, err := authNew([]byte(cctx.String("secret")),
@@ -212,11 +212,8 @@ func MonitorShutdown(handlers ...node.ShutdownHandler) <-chan struct{} {
 	out := make(chan struct{})
 
 	go func() {
-		select {
-		case sig := <-sigCh:
-			log.Warnw("received shutdown", "signal", sig)
-		}
-
+		sig := <-sigCh
+		log.Warnw("received shutdown", "signal", sig)
 		log.Warn("Shutting down...")
 
 		// Call all the handlers, logging on failure and success.
diff --git a/model.go b/model.go
index a1c8e3e..6235bca 100644
--- a/model.go
+++ b/model.go
@@ -18,10 +18,10 @@ type RequestStatus string
 
 const (
 	RequestStatusCreated    RequestStatus = "created"
-	RequestStatusPending                  = "pending"
-	RequestStatusFailed                   = "failed"
-	RequestStatusPartfailed               = "partfailed"
-	RequestStatusSuccess                  = "success"
+	RequestStatusPending    RequestStatus = "pending"
+	RequestStatusFailed     RequestStatus = "failed"
+	RequestStatusPartfailed RequestStatus = "partfailed"
+	RequestStatusSuccess    RequestStatus = "success"
 )
 
 // Request represents a request in the system.
diff --git a/service.go b/service.go
index 72d34f8..3796ed4 100644
--- a/service.go
+++ b/service.go
@@ -610,7 +610,7 @@ loopParams:
 		return result, nil
 	}
 	// join errors as one error
-	return result, fmt.Errorf(strings.Join(errMsgs, ";\n"))
+	return result, fmt.Errorf("%s", strings.Join(errMsgs, ";\n"))
 }
 
 type extendResult struct {