diff --git a/README.md b/README.md
index 956ca99..7c3b3f2 100644
--- a/README.md
+++ b/README.md
@@ -52,10 +52,10 @@
 
 分为对列表页文章数据的修改的插件和对影响整个程序表现的插件
 
-| 列表页文章数据插件            | 整个程序表现的插件      |
-|----------------------|----------------|
-| passwordProject 密码保护 | enlighter 代码高亮 |
-| digest  自动生成指定长度的摘要  |                |
+| 列表页文章数据插件            | 整个程序表现的插件                            |
+|----------------------|--------------------------------------|
+| passwordProject 密码保护 | enlighter 代码高亮(需要在后台安装enlighterjs插件) |
+| digest  自动生成指定长度的摘要  |                                      |
 
 #### 其它
 
diff --git a/helper/tree/tree.go b/helper/tree/tree.go
new file mode 100644
index 0000000..66c2ff7
--- /dev/null
+++ b/helper/tree/tree.go
@@ -0,0 +1,68 @@
+package tree
+
+import "github.com/fthvgb1/wp-go/helper/slice"
+
+type Node[T any, K comparable] struct {
+	Data     T
+	Children *[]Node[T, K]
+	Parent   K
+}
+
+func (n *Node[T, K]) GetChildren() []T {
+	return slice.Map(*n.Children, func(t Node[T, K]) T {
+		return t.Data
+	})
+}
+
+func (n *Node[T, K]) ChildrenByOrder(fn func(T, T) bool) []T {
+	a := slice.Map(*n.Children, func(t Node[T, K]) T {
+		return t.Data
+	})
+	slice.Sort(a, fn)
+	return a
+}
+
+func (n *Node[T, K]) loop(fn func(T, int), deep int) {
+	for _, nn := range *n.Children {
+		fn(nn.Data, deep)
+		if len(*nn.Children) > 0 {
+			nn.loop(fn, deep+1)
+		}
+	}
+}
+
+func (n *Node[T, K]) Loop(fn func(T, int)) {
+	n.loop(fn, 0)
+}
+func (n *Node[T, K]) orderByLoop(fn func(T, int), orderBy func(T, T) bool, deep int) {
+	slice.Sort(*n.Children, func(i, j Node[T, K]) bool {
+		return orderBy(i.Data, j.Data)
+	})
+	for _, nn := range *n.Children {
+		fn(nn.Data, deep)
+		if len(*nn.Children) > 0 {
+			nn.orderByLoop(fn, orderBy, deep+1)
+		}
+	}
+}
+
+func (n *Node[T, K]) OrderByLoop(fn func(T, int), orderBy func(T, T) bool) {
+	n.orderByLoop(fn, orderBy, 0)
+}
+
+func Root[T any, K comparable](a []T, top K, fn func(T) (child, parent K)) *Node[T, K] {
+	m := make(map[K]*Node[T, K])
+	m[top] = &Node[T, K]{Children: new([]Node[T, K])}
+	for _, t := range a {
+		c, p := fn(t)
+		node := Node[T, K]{Parent: p, Data: t, Children: new([]Node[T, K])}
+		m[c] = &node
+		parent, ok := m[p]
+		if !ok {
+			m[p] = &Node[T, K]{Children: new([]Node[T, K])}
+			parent = m[p]
+		}
+		*parent.Children = append(*parent.Children, node)
+	}
+	return m[top]
+}
diff --git a/internal/theme/wp/components/widget/category.go b/internal/theme/wp/components/widget/category.go
index e57a06c..f71b75c 100644
--- a/internal/theme/wp/components/widget/category.go
+++ b/internal/theme/wp/components/widget/category.go
@@ -5,6 +5,7 @@ import (
 	"github.com/fthvgb1/wp-go/helper/maps"
 	"github.com/fthvgb1/wp-go/helper/slice"
 	str "github.com/fthvgb1/wp-go/helper/strings"
+	"github.com/fthvgb1/wp-go/helper/tree"
 	"github.com/fthvgb1/wp-go/internal/pkg/cache"
 	"github.com/fthvgb1/wp-go/internal/pkg/constraints"
 	"github.com/fthvgb1/wp-go/internal/pkg/constraints/widgets"
@@ -124,7 +125,9 @@ func categoryDropdown(h *wp.Handle, args map[string]string, conf map[any]any, ca
 			currentCategory = h.Index.Param.Category
 		}
 		showCount := conf["count"].(int64)
-		for _, category := range categories {
+		fn := func(category models.TermsMy, deep int) {
+			lv := fmt.Sprintf("level-%d", deep+1)
+			sep := strings.Repeat(" ", deep*2)
 			selected := ""
 			if category.Name == currentCategory {
 				selected = "selected"
@@ -133,8 +136,19 @@ func categoryDropdown(h *wp.Handle, args map[string]string, conf map[any]any, ca
 			if showCount != 0 {
 				count = fmt.Sprintf("(%d)", category.Count)
 			}
-			s.Sprintf(`		<option %s value="%d">%s %s</option>
-`, selected, category.Terms.TermId, category.Name, count)
+			s.Sprintf(`		<option class="%s" %s value="%d">%s%s %s</option>
+`, lv, selected, category.Terms.TermId, sep, category.Name, count)
+		}
+		if conf["hierarchical"].(int64) == 0 {
+			for _, category := range categories {
+				fn(category, 0)
+			}
+		} else {
+			tree.Root(categories, 0, func(t models.TermsMy) (child, parent uint64) {
+				return t.TermTaxonomyId, t.Parent
+			}).Loop(func(category models.TermsMy, deep int) {
+				fn(category, deep)
+			})
 		}
 		s.WriteString("	</select>\n")
 	}
@@ -183,6 +197,7 @@ func parseDropdownCate(h *wp.Handle) (cateName string, r bool) {
 	if i < 0 {
 		return
 	}
+	r = true
 	cateName = cc.Name
 	return
 }