diff --git a/gs/gs.go b/gs/gs.go
index 1ff53b14..deaf26f2 100644
--- a/gs/gs.go
+++ b/gs/gs.go
@@ -243,6 +243,13 @@ func Config() *gs_conf.AppConfig {
 	return gs_app.GS.P
 }
 
+// Component registers a bean definition for a given object.
+func Component[T any](i T) T {
+	b := gs_bean.NewBean(reflect.ValueOf(i))
+	gs_app.GS.C.Register(b).Caller(1)
+	return i
+}
+
 // Object registers a bean definition for a given object.
 func Object(i interface{}) *RegisteredBean {
 	b := gs_bean.NewBean(reflect.ValueOf(i))
diff --git a/gs/internal/gs_core/injecting/injecting_test.go b/gs/internal/gs_core/injecting/injecting_test.go
index 00e8b352..e441be12 100644
--- a/gs/internal/gs_core/injecting/injecting_test.go
+++ b/gs/internal/gs_core/injecting/injecting_test.go
@@ -22,6 +22,7 @@ import (
 	"fmt"
 	"net/http"
 	"reflect"
+	"runtime"
 	"testing"
 	"time"
 
@@ -927,20 +928,36 @@ type DyncValue struct {
 func TestForceClean(t *testing.T) {
 
 	t.Run("no dync value", func(t *testing.T) {
+		release := make(map[string]struct{})
+
 		r := New(conf.Map(map[string]interface{}{
 			"spring": map[string]interface{}{
 				"force-clean": true,
 			},
 		}))
-		beans := []*gs.BeanDefinition{
-			objectBean(&SimpleLogger{}).Name("biz"),
-			objectBean(&SimpleLogger{}).Name("sys"),
-		}
+
+		b1 := objectBean(&SimpleLogger{}).Name("biz")
+		runtime.AddCleanup(&b1, func(s string) {
+			release[s] = struct{}{}
+		}, "biz")
+
+		b2 := objectBean(&SimpleLogger{}).Name("sys")
+		runtime.AddCleanup(&b2, func(s string) {
+			release[s] = struct{}{}
+		}, "sys")
+
+		beans := []*gs.BeanDefinition{b1, b2}
 		err := r.Refresh(extractBeans(beans))
 		assert.Nil(t, err)
 		assert.Nil(t, r.p)
 		assert.Nil(t, r.beansByName)
 		assert.Nil(t, r.beansByType)
+
+		runtime.GC()
+		assert.That(t, release).Equal(map[string]struct{}{
+			"biz": {},
+			"sys": {},
+		})
 	})
 
 	t.Run("has dync value", func(t *testing.T) {
diff --git a/gs/internal/gs_dync/dync_test.go b/gs/internal/gs_dync/dync_test.go
index cc34801a..248c6e16 100644
--- a/gs/internal/gs_dync/dync_test.go
+++ b/gs/internal/gs_dync/dync_test.go
@@ -181,4 +181,35 @@ func TestDync(t *testing.T) {
 		assert.ThatError(t, err).Matches("strconv.ParseInt: parsing \\\"xyz\\\": invalid syntax")
 		assert.That(t, p.ObjectsCount()).Equal(4)
 	})
+
+	t.Run("refresh struct", func(t *testing.T) {
+		p := New(conf.Map(map[string]interface{}{
+			"config.s1.value": "99",
+		}))
+
+		v := &Value[struct {
+			S1 struct {
+				Value int `value:"${value}"`
+			} `value:"${s1}"`
+		}]{}
+
+		var param conf.BindParam
+		err := param.BindTag("${config}", "")
+		assert.Nil(t, err)
+
+		err = p.RefreshField(reflect.ValueOf(v), param)
+		assert.Nil(t, err)
+		assert.That(t, v.Value().S1.Value).Equal(99)
+
+		err = p.Refresh(conf.Map(map[string]interface{}{
+			"config.s1.value": "xyz",
+		}))
+		assert.ThatError(t, err).Matches("strconv.ParseInt: parsing \"xyz\": invalid syntax")
+
+		err = p.Refresh(conf.Map(map[string]interface{}{
+			"config.s1.value": "10",
+		}))
+		assert.Nil(t, err)
+		assert.That(t, v.Value().S1.Value).Equal(10)
+	})
 }