diff --git a/src/App.tsx b/src/App.tsx
index 6132625..bb9c9dd 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -27,42 +27,20 @@ import './App.css';
 const initialNodes: AppNode[] = [];
 const initialEdges: AppEdge[] = [];
 const initialSettings : Settings = {
-  v4SubNetPrefix: [172, 29],
   listenPort: 38894,
+  mtu: 1420,
 };
 
-export function generateEdgeId() : string {
-  return `e-${crypto.randomUUID()}`;
-}
-
-export function generateNodeId() : string {
-  return `n-${crypto.randomUUID()}`;
-}
-
 const nodeTypes : NodeTypes = {
   custom: CustomNode,
 };
 
-function getFirstAvailableId(ids: number[]) : number {
-  const idSet = new Set(ids);
-  let id = 1;
-  while (idSet.has(id)) {
-    id++;
-  }
-  return id;
-}
-
-function generateNodeData(nodes : NodeData[]) : NodeData | null {
-  const hostId = getFirstAvailableId(nodes.filter(n => n.groupId == 0).map(n => n.hostId))
-  if(hostId > 255) return null
-  
+function generateNodeData(count: number) : NodeData | null {
   const privateKey = generateWireGuardPrivateKey();
-
   const node : NodeData = {
-    label: `Node-${hostId}`,
-    privateKey: privateKey,
-    groupId: 0,
-    hostId: hostId,
+    id: `n-${crypto.randomUUID()}`,
+    label: `Node-${count + 1}`,
+    privateKey: privateKey
   }
   return node
 }
@@ -87,7 +65,7 @@ function FlowContent(): ReactNode {
     (params) => {
       const newEdge : AppEdge = {
         ...params,
-        id: `e-${Date.now()}`,
+        id: `e-${crypto.randomUUID()}`,
         animated: !enableTwoWay,
         markerEnd: enableTwoWay ? undefined : { type: MarkerType.ArrowClosed },
         data : {
@@ -118,10 +96,10 @@ function FlowContent(): ReactNode {
     [edges]);
 
   const handleAddNode = (): void => {
-    const result = generateNodeData(nodes.map(n => n.data));
+    const result = generateNodeData(nodes.length);
     if(result == null) return;
     const newNode: AppNode = {
-      id: generateNodeId(),
+      id: result.id,
       position: { x: 0, y: 0 },
       data: result,
       type: 'custom',
diff --git a/src/components/Folder.css b/src/components/Folder.css
new file mode 100644
index 0000000..2c3f79c
--- /dev/null
+++ b/src/components/Folder.css
@@ -0,0 +1,66 @@
+.folder-item {
+  border: 1px solid #e5e7eb;
+  border-radius: 8px;
+  margin-bottom: 8px;
+  background-color: #ffffff;
+  overflow: hidden;
+  transition: box-shadow 0.2s ease;
+}
+
+/* 悬停微阴影 */
+.folder-item:hover {
+  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
+}
+
+.folder-header {
+  padding: 12px 16px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  cursor: pointer;
+  background-color: #f9fafb;
+  font-weight: 500;
+  color: #374151;
+  
+  /* 核心修改：禁止选中标题文字 */
+  user-select: none; 
+  -webkit-user-select: none;
+}
+
+.folder-header:hover {
+  background-color: #f3f4f6;
+}
+
+/* 箭头旋转动画 */
+.arrow {
+  font-size: 12px;
+  transition: transform 0.3s ease;
+  color: #9ca3af;
+}
+
+.show-arrow {
+  transform: rotate(180deg);
+}
+
+/* 核心动画逻辑 */
+.folder-content {
+  display: grid;
+  grid-template-rows: 0fr;
+  transition: grid-template-rows 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+  overflow: hidden;
+}
+
+.folder-content.show {
+  grid-template-rows: 1fr;
+}
+
+.content-inner {
+  min-height: 0;
+  padding: 0 16px; /* 默认隐藏时 padding 也是 0 */
+  transition: padding 0.3s;
+}
+
+.show .content-inner {
+  padding: 12px 16px; /* 展开后增加内边距 */
+  border-top: 1px solid #f3f4f6;
+}
\ No newline at end of file
diff --git a/src/components/Folder.tsx b/src/components/Folder.tsx
new file mode 100644
index 0000000..f5178fc
--- /dev/null
+++ b/src/components/Folder.tsx
@@ -0,0 +1,27 @@
+import { useState, ReactNode } from 'react';
+import './Folder.css';
+
+interface FolderProps {
+  title: string;
+  children?: ReactNode;
+}
+
+export default function Folder({ title, children }: FolderProps): ReactNode {
+  const [isOpen, setIsOpen] = useState(false);
+
+  return (
+    <div className="folder-item">
+      <div className="folder-header" onClick={() => setIsOpen(!isOpen)}>
+        <span>{title}</span>
+        {/* 使用同一个字符配合旋转动画，视觉更连贯 */}
+        <span className={`arrow ${isOpen ? 'show-arrow' : ''}`}>▼</span>
+      </div>
+      
+      {children && (
+        <div className={`folder-content ${isOpen ? 'show' : ''}`}>
+          <div className="content-inner">{children}</div>
+        </div>
+      )}
+    </div>
+  );
+}
\ No newline at end of file
diff --git a/src/components/NodeEditor.css b/src/components/NodeEditor.css
index c2d7e74..ee7eaa8 100644
--- a/src/components/NodeEditor.css
+++ b/src/components/NodeEditor.css
@@ -56,11 +56,44 @@
 }
 
 .error-box {
+  position: relative;
   background: #fee;
   border: 1px solid #fcc;
   border-radius: 4px;
   padding: 12px;
   margin-bottom: 15px;
+
+  animation: shake 0.4s cubic-bezier(.36,.07,.19,.97) both;
+}
+
+.error-close-btn {
+  position: absolute;
+  top: 8px;
+  right: 8px;
+  width: 20px;
+  height: 20px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+  color: #ff4d4f;
+  font-size: 16px;
+  opacity: 0.6;
+  transition: opacity 0.2s;
+  user-select: none; /* 禁止选中 */
+}
+
+.error-close-btn:hover {
+  opacity: 1;
+  background: rgba(255, 77, 79, 0.1); /* 悬停微红 */
+  border-radius: 4px;
+}
+
+@keyframes shake {
+  10%, 90% { transform: translate3d(-1px, 0, 0); }
+  20%, 80% { transform: translate3d(2px, 0, 0); }
+  30%, 50%, 70% { transform: translate3d(-4px, 0, 0); }
+  40%, 60% { transform: translate3d(4px, 0, 0); }
 }
 
 .error-message {
@@ -118,41 +151,90 @@
   gap: 10px;
 }
 
-
-/* 1. 基础通用样式 */
+/* 1. 基础通用样式 - 强化了投影和圆角 */
 .btn-interect, .btn-save, .btn-cancel {
-  padding: 8px 16px; /* 补充了间距，确保按钮有厚度 */
+  padding: 10px 20px;
   border: none;
-  border-radius: 4px;
+  border-radius: 6px; /* 稍微圆润一点，更现代 */
   font-size: 14px;
   font-weight: 500;
   cursor: pointer;
-  transition: all 0.1s ease-in-out;
+  transition: all 0.2s ease; /* 稍微拉长过渡，显得更平滑 */
   display: flex;
   align-items: center;
   justify-content: center;
+  
+  /* 基础阴影 */
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
 }
 
-/* 2. 统一交互反馈：悬停变深，点下缩放 */
+/* 2. 统一交互反馈：悬停增强阴影，移除缩放 */
 .btn-interect:hover, .btn-save:hover, .btn-cancel:hover {
-  filter: brightness(0.9); /* 自动变深，无需指定具体颜色 */
-  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
+  filter: brightness(1.05); /* 悬停微亮 */
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12); /* 悬停时投影加深，产生“浮起”感 */
 }
 
+/* 移除 active 缩放，改为颜色反馈 */
 .btn-interect:active, .btn-save:active, .btn-cancel:active {
-  transform: scale(0.96);
+  filter: brightness(0.95); /* 按下稍微变暗 */
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+  transform: none; /* 明确去掉缩放 */
 }
 
 .btn-save, .btn-cancel {
   flex: 1;
 }
 
+/* 3. 颜色方案优化 */
 .btn-interect, .btn-save {
   background: #1677ff;
   color: white;
+  border: 1px solid #0958d9; /* 增加深色边框增强质感 */
 }
 
 .btn-cancel {
-  background: #f5f5f5;
-  color: #333;
+  background: #ffffff; /* 改为白色底，配合阴影更好看 */
+  color: #4b5563;
+  border: 1px solid #e5e7eb; /* 浅灰色边框 */
+}
+
+.btn-cancel:hover {
+  background: #f9fafb;
+  color: #1f2937;
+}
+
+/* 补充：调整按钮组的间距，让阴影不被遮挡 */
+.editor-actions {
+  display: flex;
+  gap: 12px;
+  margin-top: 24px;
+  padding-top: 16px;
+  border-top: 1px solid #f3f4f6;
+}
+
+/* 移除所有按钮默认的 outline */
+.btn-interect:focus, 
+.btn-save:focus, 
+.btn-cancel:focus,
+.close-btn:focus {
+  outline: none;
+}
+
+/* 蓝色按钮的焦点效果 (Save / Interect) */
+.btn-interect:focus-visible, 
+.btn-save:focus-visible {
+  box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.3); /* 柔和的蓝色光晕 */
+  border-color: #1677ff;
+}
+
+/* 灰色按钮的焦点效果 (Cancel) */
+.btn-cancel:focus-visible {
+  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05); /* 极浅的灰色光晕 */
+  border-color: #d1d5db;
+}
+
+/* 关闭按钮的焦点效果 */
+.close-btn:focus-visible {
+  background-color: #f3f4f6;
+  border-radius: 4px;
 }
\ No newline at end of file
diff --git a/src/components/NodeEditor.tsx b/src/components/NodeEditor.tsx
index bda7a2f..0c4abc3 100644
--- a/src/components/NodeEditor.tsx
+++ b/src/components/NodeEditor.tsx
@@ -2,8 +2,8 @@ import { useState, ReactNode } from 'react';
 import { NodeData, Settings } from '../types/graph';
 import { generateWireGuardPrivateKey } from '../utils/wireguardConfig'
 import './NodeEditor.css';
-
-
+import Folder from './Folder'
+import { randomBytes } from 'tweetnacl';
 
 interface NodeEditorProps {
   node: NodeData;
@@ -18,6 +18,7 @@ export default function NodeEditor({
   onUpdate, 
   onClose 
 }: NodeEditorProps): ReactNode {
+
   const [formData, setFormData] = useState<NodeData>(node);
   const [errors, setErrors] = useState<string[]>([]);
 
@@ -29,6 +30,7 @@ export default function NodeEditor({
   };
 
   const handleSave = (): void => {
+    setErrors(["123"])
     // const validation = validateNodeConfig(formData);
     // if (!validation.isValid) {
     //   setErrors(validation.errors);
@@ -54,6 +56,12 @@ export default function NodeEditor({
 
         {errors.length > 0 && (
           <div className="error-box">
+            <div 
+              className="error-close-btn" 
+              onClick={() => setErrors([])} // 点击清空错误数组
+              title="关闭提示"
+            >×</div>
+
             {errors.map((error, idx) => (
               <p key={idx} className="error-message">• {error}</p>
             ))}
@@ -81,95 +89,100 @@ export default function NodeEditor({
           </div>
         </div>
 
-        <div className="form-group">
-          <label>主机ID</label>
-          <input
-            type="number"
-            min="0" 
-            max="255" 
-            step="1"
-            value={formData.hostId}
-            onChange={(e) => handleInputChange('hostId', e.target.value)}
-            placeholder="同一子网ID下主机ID不能重复，不得超过255"
-          />
-        </div>
+        {settings.ipv4Subnet && (
+          <div className="form-group">
+            <label>IPv4地址</label>
+            <input
+              type="text"
+              value={formData.ipv4Address || ''}
+              onChange={(e) => handleInputChange('ipv4Address', e.target.value)}
+            />
+          </div>
+        )}
 
-        <div className="form-group">
-          <label>子网ID</label>
-          <input
-            type="number"
-            min="0" 
-            max="255" 
-            step="1"
-            value={formData.groupId}
-            onChange={(e) => handleInputChange('groupId', e.target.value)}
-            placeholder="不得超过255"
-          />
-        </div>
+        {settings.ipv6Subnet && (
+          <div className="form-group">
+            <label>IPv6地址</label>
+            <input
+              type="text"
+              value={formData.ipv6Address || ''}
+              onChange={(e) => handleInputChange('ipv6Address', e.target.value)}
+            />
+          </div>
+        )}
 
-        {/* host options */}
+        <Folder title='高级'>
+          <div className="form-group">
+            <label>子网黑名单</label>
+            <input
+              type="text"
+              value={formData.disallowIPs || ''}
+              onChange={(e) => handleInputChange('disallowIPs', e.target.value)}
+            />
+          </div>
 
-        <div className="form-group">
-          <label>PostUp (可选)</label>
-          <input
-            type="text"
-            value={formData.postUp || ''}
-            onChange={(e) => handleInputChange('postUp', e.target.value)}
-          />
-        </div>
+          <div className="form-group">
+            <label>侦听端口</label>
+            <input
+              type="number"
+              min="1024"
+              max="49151"
+              step="1"
+              value={formData.listenPort || ''}
+              onChange={(e) => handleInputChange('listenPort', e.target.value)}
+              placeholder={`默认值：${settings.listenPort}`}
+            />
+          </div>
 
-        <div className="form-group">
-          <label>PostDown (可选)</label>
-          <input
-            type="text"
-            value={formData.postDown || ''}
-            onChange={(e) => handleInputChange('postDown', e.target.value)}
-          />
-        </div>
+          <div className="form-group">
+            <label>mtu</label>
+            <input
+              type="number"
+              min="1"
+              step="1"
+              value={formData.mtu || ''}
+              onChange={(e) => handleInputChange('mtu', e.target.value)}
+              placeholder={settings.mtu ? `默认值：${settings.mtu}` : ''}
+            />
+          </div>
 
-        <div className="form-group">
-          <label>mtu (可选)</label>
-          <input
-            type="number"
-            min="1"
-            step="1"
-            value={formData.mtu || ''}
-            onChange={(e) => handleInputChange('mtu', e.target.value)}
-            placeholder={settings.mtu ? `默认值：${settings.mtu}` : ''}
-          />
-        </div>
+          <div className="form-group">
+            <label>DNS服务器</label>
+            <input
+              type="text"
+              value={formData.dnsServers || ''}
+              onChange={(e) => handleInputChange('dnsServers', e.target.value)}
+              placeholder="例如: 8.8.8.8,1.1.1.1"
+            />
+          </div>
+          
+          <div className="form-group">
+            <label>PostUp</label>
+            <textarea
+              rows={2}
+              value={formData.postUp || ''}
+              onChange={(e) => handleInputChange('postUp', e.target.value)}
+            />
+          </div>
 
-        <div className="form-group">
-          <label>侦听端口 (可选)</label>
-          <input
-            type="number"
-            min="1024"
-            max="49151"
-            step="1"
-            value={formData.listenPort || ''}
-            onChange={(e) => handleInputChange('listenPort', e.target.value)}
-            placeholder={`默认值：${settings.listenPort}`}
-          />
-        </div>
+          <div className="form-group">
+            <label>PostDown</label>
+            <textarea
+              rows={2}
+              value={formData.postDown || ''}
+              onChange={(e) => handleInputChange('postDown', e.target.value)}
+            />
+          </div>
 
-        <div className="form-group">
-          <label>DNS服务器 (可选)</label>
-          <input
-            type="text"
-            value={formData.dnsServers || ''}
-            onChange={(e) => handleInputChange('dnsServers', e.target.value)}
-            placeholder="例如: 8.8.8.8,1.1.1.1"
-          />
-        </div>
-
-        <div className="form-group">
-          <label>备注 (可选)</label>
-          <textarea
-            rows={3}
-            value={formData.notes || ''}
-            onChange={(e) => handleInputChange('notes', e.target.value)}
-          />
-        </div>
+          <div className="form-group">
+            <label>备注</label>
+            <textarea
+              rows={4}
+              value={formData.notes || ''}
+              onChange={(e) => handleInputChange('notes', e.target.value)}
+            />
+          </div>
+        </Folder>
 
         <div className="editor-actions">
           <button className="btn-save" onClick={handleSave}>保存</button>
diff --git a/src/types/graph.ts b/src/types/graph.ts
index 6ebb738..b2e4230 100644
--- a/src/types/graph.ts
+++ b/src/types/graph.ts
@@ -4,16 +4,8 @@ export type AppNode = Node<NodeData>;
 
 export type AppEdge = Edge<EdgeData>;
 
-export class SubNetRouter {
-  private _nodes : Record<string, string | undefined> = {};
-
-  constructor(
-    public subnet: string,
-  ) {}
-}
-
 export type NodeData = {
-  id: string;
+  readonly id: string;
   label: string;
   privateKey: string;
   ipv4Address?: string;
@@ -28,18 +20,27 @@ export type NodeData = {
   notes?: string;
 }
 
+export type EdgeData = {
+  isTwoWayEdge: boolean;
+  persistentKeepalive?: string;
+}
+
+export class SubNetRouter {
+  private _nodes : Record<string, string | undefined> = {};
+  
+  constructor(
+    public subnet: string,
+    public readonly kind: 'ipv4' | 'ipv6'
+  ) {}
+}
+
 export type Settings = {
   listenPort: number;
   mtu: number;
 
   ipv4Subnet?: string;
-  ipv4SubnetRouter?: SubNetRouter;
+  ipv4SubNetRouter?: SubNetRouter;
 
   ipv6Subnet?: string;
   ipv6SubnetRouter?: SubNetRouter;
-}
-
-export type EdgeData = {
-  isTwoWayEdge: boolean;
-  persistentKeepalive?: string;
 }
\ No newline at end of file