diff --git a/iterator/set.go b/iterator/set.go
index 99799ff..9280342 100644
--- a/iterator/set.go
+++ b/iterator/set.go
@@ -2,6 +2,7 @@ package iterator
 
 import (
 	"iter"
+	"slices"
 )
 
 // Set 集合
@@ -23,6 +24,18 @@ func NewOrderedSet[T comparable]() *OrderedSet[T] {
 	return &OrderedSet[T]{make([]T, 0), NewSet[T]()}
 }
 
+func (s Set[T]) FromSlice(data []T) {
+	for v := range slices.Values(data) {
+		s.Add(v)
+	}
+}
+
+func (s *OrderedSet[T]) FromSlice(data []T) {
+	for v := range slices.Values(data) {
+		s.Add(v)
+	}
+}
+
 func (s Set[T]) Add(e T) {
 	s.m[e] = struct{}{}
 }
@@ -90,7 +103,7 @@ func (s Set[T]) FilterMap(fn func(T) bool) iter.Seq[T] {
 func (s *OrderedSet[T]) FilterMap(fn func(T) bool) iter.Seq[T] {
 	return func(yield func(T) bool) {
 		// 迭代有序切片
-		for _, v := range s.ordered {
+		for v := range slices.Values(s.ordered) {
 			if !fn(v) {
 				continue
 			}
diff --git a/iterator/set_test.go b/iterator/set_test.go
index cfd3fad..4eb9892 100644
--- a/iterator/set_test.go
+++ b/iterator/set_test.go
@@ -3,7 +3,6 @@ package iterator
 import (
 	"github.com/stretchr/testify/assert"
 	"iter"
-	"slices"
 	"testing"
 )
 
@@ -15,11 +14,9 @@ func TestSet(t *testing.T) {
 		"gopher",
 		"javaer",
 	}
+	s.FromSlice(list)
 	var pull, push, filter []string
 	expected := list[:3]
-	for v := range slices.Values(list) {
-		s.Add(v)
-	}
 
 	// 只推
 	for v := range s.All() {