diff --git a/admin/src/utils/flatTreeUtils.ts b/admin/src/utils/flatTreeUtils.ts
new file mode 100644
index 0000000..4994af1
--- /dev/null
+++ b/admin/src/utils/flatTreeUtils.ts
@@ -0,0 +1,116 @@
+export type WithIdPid = {
+    id?: string | number
+    pid?: string | number | null | undefined
+}
+
+// ---------- 1. 查询匹配节点 ----------
+export function findMatchedNodes<T extends WithIdPid>(
+    data: T[],
+    keyword: string,
+    fields: string[] = ['name'],
+    exact = false
+): T[] {
+    if (!keyword) return []
+    return data.filter((node) =>
+        fields.some((field) => {
+            const val = node[field]
+            return typeof val === 'string' && (exact ? val === keyword : val.includes(keyword))
+        })
+    )
+}
+
+// ---------- 2. 查询所有子级（后代） ----------
+export function findDescendants<T extends WithIdPid>(data: T[], rootIds: (string | number)[]): T[] {
+    // 构建 pid -> children 映射
+    const childrenMap = new Map<string | number, T[]>()
+    for (const node of data) {
+        const p = node.pid ?? '__null__'
+        if (!childrenMap.has(p)) childrenMap.set(p, [])
+        childrenMap.get(p)!.push(node)
+    }
+
+    const result: T[] = []
+    const queue: (string | number)[] = [...rootIds]
+    const visited = new Set<string | number>()
+
+    while (queue.length > 0) {
+        const id = queue.shift()!
+        if (visited.has(id)) continue
+        visited.add(id)
+
+        const children = childrenMap.get(id) || []
+        for (const child of children) {
+            result.push(child)
+            queue.push(child.id)
+        }
+    }
+
+    return Array.from(new Map(result.map((n) => [n.id, n])).values())
+}
+
+// ---------- 3. 查询所有父级（祖先） ----------
+export function findAncestors<T extends WithIdPid>(data: T[], startIds: (string | number)[]): T[] {
+    // 构建 id -> node 映射
+    const nodeMap = new Map<string | number, T>()
+    for (const node of data) {
+        nodeMap.set(node.id, node)
+    }
+
+    const result: T[] = []
+    const visited = new Set<string | number>()
+
+    for (const id of startIds) {
+        let currentId: string | number | null | undefined = id
+        while (currentId != null) {
+            const node = nodeMap.get(currentId)
+            if (!node || visited.has(currentId)) break
+
+            visited.add(currentId)
+            // 跳过起始节点自身（只查“父级”）
+            if (currentId !== id) {
+                result.push(node)
+            }
+
+            currentId = node.pid
+        }
+    }
+
+    return Array.from(new Map(result.map((n) => [n.id, n])).values())
+}
+
+// ---------- 4. 合并所有层级 ----------
+export function collectAllLevels<T extends WithIdPid>(
+    matched: T[],
+    ancestors: T[],
+    descendants: T[]
+): T[] {
+    const all = [...matched, ...ancestors, ...descendants]
+    return Array.from(new Map(all.map((n) => [n.id, n])).values())
+}
+
+// ---------- 5. 主入口：一键获取结构化结果 ----------
+export function queryHierarchy<T extends WithIdPid>(
+    data: T[],
+    keyword: string,
+    options: {
+        fields?: string[]
+        exact?: boolean
+    } = {}
+) {
+    const { fields = ['name'], exact = false } = options
+
+    const matched = findMatchedNodes(data, keyword, fields, exact)
+    const matchedIds = matched.map((n) => n.id)
+
+    const descendants = findDescendants(data, matchedIds)
+    const ancestors = findAncestors(data, matchedIds)
+
+    const all = collectAllLevels(matched, ancestors, descendants)
+
+    return {
+        matched, // 匹配的节点
+        ancestors, // 所有父级（不包含 matched 自身）
+        descendants, // 所有子级
+        all // 合并后的完整列表（去重）
+    }
+}
diff --git a/admin/src/views/system/menu/edit.vue b/admin/src/views/system/menu/edit.vue
index df010aa..0dff155 100644
--- a/admin/src/views/system/menu/edit.vue
+++ b/admin/src/views/system/menu/edit.vue
@@ -289,7 +289,10 @@ const menuOptions = ref<any[]>([])
 const getMenu = async () => {
     const data: any = await menuLists()
     const menu: any = { id: '0', menuName: '顶级', children: [] }
-    menu.children = arrayToTree(data.filter((item) => item.menuType != MenuEnum.BUTTON))
+    menu.children = arrayToTree(
+        data.filter((item) => item.menuType != MenuEnum.BUTTON),
+        '0'
+    )
     menuOptions.value.push(menu)
 }
 function getApiListFn() {
diff --git a/admin/src/views/system/menu/index.vue b/admin/src/views/system/menu/index.vue
index 8406fed..4c907a7 100644
--- a/admin/src/views/system/menu/index.vue
+++ b/admin/src/views/system/menu/index.vue
@@ -1,9 +1,19 @@
 <template>
     <div class="menu-lists p-4 h-full box-border flex flex-col">
         <div>
-            <el-input v-model="menuName" style="width: 240px" placeholder="Please input" />
+            <el-input
+                v-model="menuName"
+                style="width: 240px"
+                clearable
+                placeholder="请输入菜单名称"
+            />
 
-            <el-button v-perms="['admin:system:menu:add']" type="primary" @click="handleAdd()">
+            <el-button
+                v-perms="['admin:system:menu:add']"
+                type="primary"
+                @click="handleAdd()"
+                class="ml-4"
+            >
                 <template #icon>
                     <icon name="el-icon-Plus" />
                 </template>
@@ -11,12 +21,13 @@
             </el-button>
             <el-button @click="handleExpand"> 展开/收起 </el-button>
         </div>
+
         <div class="mt-4" style="height: 100%">
             <vxe-table
                 ref="tableRef"
                 :row-config="rowConfig"
                 :tree-config="treeConfig"
-                :data="lists"
+                :data="filterList"
                 :border="'inner'"
                 height="100%"
                 :virtual-y-config="{ enabled: true, gt: 0 }"
@@ -165,12 +176,13 @@
     <EditPopup v-if="showEdit" ref="editRef" @success="getLists" @close="showEdit = false" />
 </template>
 <script lang="ts" setup>
-import { ref, useTemplateRef, nextTick, computed } from 'vue'
+import { ref, useTemplateRef, nextTick, computed, toRaw } from 'vue'
 import { menuDelete, menuLists, SystemAuthMenuResp } from '@/api/perms/menu'
 // import { arrayToTree } from '@/utils/util'
 import { MenuEnum } from '@/enums/appEnums'
 import EditPopup from './edit.vue'
 import feedback from '@/utils/feedback'
+import { queryHierarchy } from '@/utils/flatTreeUtils'
 
 import { VxeTableInstance } from 'vxe-table'
 
@@ -197,12 +209,19 @@ const loading = ref(false)
 const showEdit = ref(false)
 const lists = ref<SystemAuthMenuResp[]>([])
 const menuName = ref('')
-// const filterList = computed(() => {
-//     if (!menuName.value) {
-//         return lists.value
-//     }
-//     return lists.value.filter((item) => item.menuName.includes(menuName.value))
-// })
+const filterList = computed(() => {
+    if (!menuName.value) {
+        return lists.value
+    }
+    const raw = toRaw(lists.value)
+    console.log('raw', raw)
+
+    const { all } = queryHierarchy(raw, menuName.value, {
+        fields: ['menuName'],
+        exact: false
+    })
+    return all
+})
 const getLists = async () => {
     loading.value = true
     try {