diff --git a/internal/docker/idlewatcher/waker.go b/internal/docker/idlewatcher/waker.go
index b734b64..49b2f07 100644
--- a/internal/docker/idlewatcher/waker.go
+++ b/internal/docker/idlewatcher/waker.go
@@ -15,6 +15,7 @@ import (
 	"github.com/yusing/go-proxy/internal/task"
 	U "github.com/yusing/go-proxy/internal/utils"
 	"github.com/yusing/go-proxy/internal/watcher/health"
+	"github.com/yusing/go-proxy/internal/watcher/health/monitor"
 )
 
 type waker struct {
@@ -51,9 +52,9 @@ func newWaker(providerSubTask task.Task, entry entry.Entry, rp *gphttp.ReversePr
 
 	switch {
 	case rp != nil:
-		waker.hc = health.NewHTTPHealthChecker(entry.TargetURL(), hcCfg)
+		waker.hc = monitor.NewHTTPHealthChecker(entry.TargetURL(), hcCfg)
 	case stream != nil:
-		waker.hc = health.NewRawHealthChecker(entry.TargetURL(), hcCfg)
+		waker.hc = monitor.NewRawHealthChecker(entry.TargetURL(), hcCfg)
 	default:
 		panic("both nil")
 	}
@@ -147,7 +148,7 @@ func (w *Watcher) MarshalJSON() ([]byte, error) {
 	if w.hc.URL().Port() != "0" {
 		url = w.hc.URL()
 	}
-	return (&health.JSONRepresentation{
+	return (&monitor.JSONRepresentation{
 		Name:   w.Name(),
 		Status: w.Status(),
 		Config: w.hc.Config(),
diff --git a/internal/net/http/loadbalancer/loadbalancer.go b/internal/net/http/loadbalancer/loadbalancer.go
index e8f38fe..c7cb836 100644
--- a/internal/net/http/loadbalancer/loadbalancer.go
+++ b/internal/net/http/loadbalancer/loadbalancer.go
@@ -12,6 +12,7 @@ import (
 	"github.com/yusing/go-proxy/internal/net/http/middleware"
 	"github.com/yusing/go-proxy/internal/task"
 	"github.com/yusing/go-proxy/internal/watcher/health"
+	"github.com/yusing/go-proxy/internal/watcher/health/monitor"
 )
 
 // TODO: stats of each server.
@@ -248,7 +249,7 @@ func (lb *LoadBalancer) MarshalJSON() ([]byte, error) {
 		extra[v.Name] = v.healthMon
 	})
 
-	return (&health.JSONRepresentation{
+	return (&monitor.JSONRepresentation{
 		Name:    lb.Name(),
 		Status:  lb.Status(),
 		Started: lb.startTime,
diff --git a/internal/route/http.go b/internal/route/http.go
index 1d34edc..d9ce305 100755
--- a/internal/route/http.go
+++ b/internal/route/http.go
@@ -19,6 +19,7 @@ import (
 	"github.com/yusing/go-proxy/internal/task"
 	F "github.com/yusing/go-proxy/internal/utils/functional"
 	"github.com/yusing/go-proxy/internal/watcher/health"
+	"github.com/yusing/go-proxy/internal/watcher/health/monitor"
 )
 
 type (
@@ -111,7 +112,7 @@ func (r *HTTPRoute) Start(providerSubtask task.Task) E.Error {
 		r.handler = waker
 		r.HealthMon = waker
 	case entry.UseHealthCheck(r):
-		r.HealthMon = health.NewHTTPHealthMonitor(r.rp.TargetURL, r.HealthCheck)
+		r.HealthMon = monitor.NewHTTPHealthMonitor(r.rp.TargetURL, r.HealthCheck)
 	}
 
 	if r.handler == nil {
diff --git a/internal/route/stream.go b/internal/route/stream.go
index 76cbd41..4884ae7 100755
--- a/internal/route/stream.go
+++ b/internal/route/stream.go
@@ -13,6 +13,7 @@ import (
 	"github.com/yusing/go-proxy/internal/task"
 	F "github.com/yusing/go-proxy/internal/utils/functional"
 	"github.com/yusing/go-proxy/internal/watcher/health"
+	"github.com/yusing/go-proxy/internal/watcher/health/monitor"
 )
 
 type StreamRoute struct {
@@ -72,7 +73,7 @@ func (r *StreamRoute) Start(providerSubtask task.Task) E.Error {
 		r.stream = waker
 		r.HealthMon = waker
 	case entry.UseHealthCheck(r):
-		r.HealthMon = health.NewRawHealthMonitor(r.TargetURL(), r.HealthCheck)
+		r.HealthMon = monitor.NewRawHealthMonitor(r.TargetURL(), r.HealthCheck)
 	}
 
 	if err := r.stream.Setup(); err != nil {
diff --git a/internal/watcher/health/healthcheck_config.go b/internal/watcher/health/config.go
similarity index 100%
rename from internal/watcher/health/healthcheck_config.go
rename to internal/watcher/health/config.go
diff --git a/internal/watcher/health/http.go b/internal/watcher/health/monitor/http.go
similarity index 84%
rename from internal/watcher/health/http.go
rename to internal/watcher/health/monitor/http.go
index fca995a..c025f5c 100644
--- a/internal/watcher/health/http.go
+++ b/internal/watcher/health/monitor/http.go
@@ -1,4 +1,4 @@
-package health
+package monitor
 
 import (
 	"crypto/tls"
@@ -6,6 +6,7 @@ import (
 	"net/http"
 
 	"github.com/yusing/go-proxy/internal/net/types"
+	"github.com/yusing/go-proxy/internal/watcher/health"
 	"github.com/yusing/go-proxy/pkg"
 )
 
@@ -24,7 +25,7 @@ var pinger = &http.Client{
 	},
 }
 
-func NewHTTPHealthMonitor(url types.URL, config *HealthCheckConfig) *HTTPHealthMonitor {
+func NewHTTPHealthMonitor(url types.URL, config *health.HealthCheckConfig) *HTTPHealthMonitor {
 	mon := new(HTTPHealthMonitor)
 	mon.monitor = newMonitor(url, config, mon.CheckHealth)
 	if config.UseGet {
@@ -35,7 +36,7 @@ func NewHTTPHealthMonitor(url types.URL, config *HealthCheckConfig) *HTTPHealthM
 	return mon
 }
 
-func NewHTTPHealthChecker(url types.URL, config *HealthCheckConfig) HealthChecker {
+func NewHTTPHealthChecker(url types.URL, config *health.HealthCheckConfig) health.HealthChecker {
 	return NewHTTPHealthMonitor(url, config)
 }
 
diff --git a/internal/watcher/health/json.go b/internal/watcher/health/monitor/json.go
similarity index 86%
rename from internal/watcher/health/json.go
rename to internal/watcher/health/monitor/json.go
index 9123423..cce8c15 100644
--- a/internal/watcher/health/json.go
+++ b/internal/watcher/health/monitor/json.go
@@ -1,4 +1,4 @@
-package health
+package monitor
 
 import (
 	"encoding/json"
@@ -6,12 +6,13 @@ import (
 
 	"github.com/yusing/go-proxy/internal/net/types"
 	"github.com/yusing/go-proxy/internal/utils/strutils"
+	"github.com/yusing/go-proxy/internal/watcher/health"
 )
 
 type JSONRepresentation struct {
 	Name    string
-	Config  *HealthCheckConfig
-	Status  Status
+	Config  *health.HealthCheckConfig
+	Status  health.Status
 	Started time.Time
 	Uptime  time.Duration
 	URL     types.URL
diff --git a/internal/watcher/health/monitor.go b/internal/watcher/health/monitor/monitor.go
similarity index 85%
rename from internal/watcher/health/monitor.go
rename to internal/watcher/health/monitor/monitor.go
index 7116d0e..309a748 100644
--- a/internal/watcher/health/monitor.go
+++ b/internal/watcher/health/monitor/monitor.go
@@ -1,4 +1,4 @@
-package health
+package monitor
 
 import (
 	"context"
@@ -16,16 +16,17 @@ import (
 	"github.com/yusing/go-proxy/internal/notif"
 	"github.com/yusing/go-proxy/internal/task"
 	U "github.com/yusing/go-proxy/internal/utils"
+	"github.com/yusing/go-proxy/internal/watcher/health"
 )
 
 type (
 	HealthCheckFunc func() (healthy bool, detail string, err error)
 	monitor         struct {
 		service string
-		config  *HealthCheckConfig
+		config  *health.HealthCheckConfig
 		url     U.AtomicValue[types.URL]
 
-		status      U.AtomicValue[Status]
+		status      U.AtomicValue[health.Status]
 		checkHealth HealthCheckFunc
 		startTime   time.Time
 
@@ -37,14 +38,14 @@ type (
 
 var ErrNegativeInterval = errors.New("negative interval")
 
-func newMonitor(url types.URL, config *HealthCheckConfig, healthCheckFunc HealthCheckFunc) *monitor {
+func newMonitor(url types.URL, config *health.HealthCheckConfig, healthCheckFunc HealthCheckFunc) *monitor {
 	mon := &monitor{
 		config:      config,
 		checkHealth: healthCheckFunc,
 		startTime:   time.Now(),
 	}
 	mon.url.Store(url)
-	mon.status.Store(StatusHealthy)
+	mon.status.Store(health.StatusHealthy)
 	return mon
 }
 
@@ -72,8 +73,8 @@ func (mon *monitor) Start(routeSubtask task.Task) E.Error {
 		logger := logging.With().Str("name", mon.service).Logger()
 
 		defer func() {
-			if mon.status.Load() != StatusError {
-				mon.status.Store(StatusUnknown)
+			if mon.status.Load() != health.StatusError {
+				mon.status.Store(health.StatusUnknown)
 			}
 			mon.task.Finish(nil)
 			if mon.metric != nil {
@@ -121,12 +122,12 @@ func (mon *monitor) URL() types.URL {
 }
 
 // Config implements HealthChecker.
-func (mon *monitor) Config() *HealthCheckConfig {
+func (mon *monitor) Config() *health.HealthCheckConfig {
 	return mon.config
 }
 
 // Status implements HealthMonitor.
-func (mon *monitor) Status() Status {
+func (mon *monitor) Status() health.Status {
 	return mon.status.Load()
 }
 
@@ -163,19 +164,19 @@ func (mon *monitor) checkUpdateHealth() error {
 	healthy, detail, err := mon.checkHealth()
 	if err != nil {
 		defer mon.task.Finish(err)
-		mon.status.Store(StatusError)
+		mon.status.Store(health.StatusError)
 		if !errors.Is(err, context.Canceled) {
 			return fmt.Errorf("check health: %w", err)
 		}
 		return nil
 	}
-	var status Status
+	var status health.Status
 	if healthy {
-		status = StatusHealthy
+		status = health.StatusHealthy
 	} else {
-		status = StatusUnhealthy
+		status = health.StatusUnhealthy
 	}
-	if healthy != (mon.status.Swap(status) == StatusHealthy) {
+	if healthy != (mon.status.Swap(status) == health.StatusHealthy) {
 		if healthy {
 			logger.Info().Msg("server is up")
 			notif.Notify(mon.service, "server is up")
diff --git a/internal/watcher/health/raw.go b/internal/watcher/health/monitor/raw.go
similarity index 74%
rename from internal/watcher/health/raw.go
rename to internal/watcher/health/monitor/raw.go
index 588cd76..e0dd7f6 100644
--- a/internal/watcher/health/raw.go
+++ b/internal/watcher/health/monitor/raw.go
@@ -1,9 +1,10 @@
-package health
+package monitor
 
 import (
 	"net"
 
 	"github.com/yusing/go-proxy/internal/net/types"
+	"github.com/yusing/go-proxy/internal/watcher/health"
 )
 
 type (
@@ -13,7 +14,7 @@ type (
 	}
 )
 
-func NewRawHealthMonitor(url types.URL, config *HealthCheckConfig) *RawHealthMonitor {
+func NewRawHealthMonitor(url types.URL, config *health.HealthCheckConfig) *RawHealthMonitor {
 	mon := new(RawHealthMonitor)
 	mon.monitor = newMonitor(url, config, mon.CheckHealth)
 	mon.dialer = &net.Dialer{
@@ -23,7 +24,7 @@ func NewRawHealthMonitor(url types.URL, config *HealthCheckConfig) *RawHealthMon
 	return mon
 }
 
-func NewRawHealthChecker(url types.URL, config *HealthCheckConfig) HealthChecker {
+func NewRawHealthChecker(url types.URL, config *health.HealthCheckConfig) health.HealthChecker {
 	return NewRawHealthMonitor(url, config)
 }