diff --git a/package-lock.json b/package-lock.json
index d429869..4e6c0f4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,11 +9,14 @@
       "version": "0.0.0",
       "dependencies": {
         "@xyflow/react": "^12.10.0",
+        "base64-js": "^1.5.1",
         "react": "^19.2.0",
-        "react-dom": "^19.2.0"
+        "react-dom": "^19.2.0",
+        "tweetnacl": "^1.0.3"
       },
       "devDependencies": {
         "@eslint/js": "^9.39.1",
+        "@types/base64-js": "^1.3.2",
         "@types/react": "^19.2.5",
         "@types/react-dom": "^19.2.3",
         "@vitejs/plugin-react": "^5.1.1",
@@ -1411,6 +1414,13 @@
         "@babel/types": "^7.28.2"
       }
     },
+    "node_modules/@types/base64-js": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/@types/base64-js/-/base64-js-1.3.2.tgz",
+      "integrity": "sha512-Q2Xn2/vQHRGLRXhQ5+BSLwhHkR3JVflxVKywH0Q6fVoAiUE8fFYL2pE5/l2ZiOiBDfA8qUqRnSxln4G/NFz1Sg==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@types/d3-color": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/@types/d3-color/-/d3-color-3.1.3.tgz",
@@ -1619,6 +1629,25 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/base64-js": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
     "node_modules/baseline-browser-mapping": {
       "version": "2.9.18",
       "resolved": "https://registry.npmjs.org/baseline-browser-mapping/-/baseline-browser-mapping-2.9.18.tgz",
@@ -2918,6 +2947,11 @@
         "url": "https://github.com/sponsors/SuperchupuDev"
       }
     },
+    "node_modules/tweetnacl": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-1.0.3.tgz",
+      "integrity": "sha512-6rt+RN7aOi1nGMyC4Xa5DdYiukl2UWCbcJft7YhxReBGQD7OAM8Pbxw6YMo4r2diNEA8FEmu32YOn9rhaiE5yw=="
+    },
     "node_modules/type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
diff --git a/package.json b/package.json
index d25ab40..875e198 100644
--- a/package.json
+++ b/package.json
@@ -11,11 +11,14 @@
   },
   "dependencies": {
     "@xyflow/react": "^12.10.0",
+    "base64-js": "^1.5.1",
     "react": "^19.2.0",
-    "react-dom": "^19.2.0"
+    "react-dom": "^19.2.0",
+    "tweetnacl": "^1.0.3"
   },
   "devDependencies": {
     "@eslint/js": "^9.39.1",
+    "@types/base64-js": "^1.3.2",
     "@types/react": "^19.2.5",
     "@types/react-dom": "^19.2.3",
     "@vitejs/plugin-react": "^5.1.1",
diff --git a/src/App.tsx b/src/App.tsx
index d09de87..7f0edd8 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -17,24 +17,62 @@ import {
   IsValidConnection
 } from '@xyflow/react';
 import '@xyflow/react/dist/style.css';
-import { AppNode, AppEdge, NodeData } from './types/graph';
+import { AppNode, AppEdge, NodeData, Settings } from './types/graph';
 import CustomNode from './components/CustomNode';
 import NodeEditor from './components/NodeEditor';
 import Toggle from "./components/Toggle"
+import { generateWireGuardPrivateKey } from './utils/wireguardConfig';
 import './App.css';
 
 const initialNodes: AppNode[] = [];
 const initialEdges: AppEdge[] = [];
+const initialSettings : Settings = {
+  v4SubNetPrefix: [172, 29],
+  listenPort: 38894,
+};
+
+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.map(n => n.hostId))
+  if(hostId > 255) return null
+  
+  const privateKey = generateWireGuardPrivateKey();
+
+  const node : NodeData = {
+    label: `Node-${hostId}`,
+    privateKey: privateKey,
+    groupId: 0,
+    hostId: hostId,
+  }
+  return node
+}
+
 function FlowContent(): ReactNode {
   const [nodes, setNodes] = useState<AppNode[]>(initialNodes);
   const [edges, setEdges] = useState<AppEdge[]>(initialEdges);
+  const [settings, setSettings] = useState<Settings>(initialSettings);
+
   const [editingNode, setEditingNode] = useState<NodeData | null>(null);
-  const [showConfigViewer, setShowConfigViewer] = useState(false);
   const [enableTwoWay, setEnableTwoWay] = useState(false);
 
   const onNodesChange = useCallback(
@@ -80,17 +118,12 @@ function FlowContent(): ReactNode {
     [edges]);
 
   const handleAddNode = (): void => {
-    const newNodeId = `n${Date.now()}`;
+    const result = generateNodeData(nodes.map(n => n.data));
+    if(result == null) return;
     const newNode: AppNode = {
-      id: newNodeId,
+      id: generateNodeId(),
       position: { x: 0, y: 0 },
-      data: {
-        label: `Node-${String.fromCharCode(65 + (nodes.length % 26))}`,
-        ipAddress: `10.0.0.${nodes.length + 2}`,
-        listenPort: `${51820 + nodes.length}`,
-        privateKey: '',
-        publicKey: '',
-      },
+      data: result,
       type: 'custom',
       selected: true
     };
@@ -146,7 +179,7 @@ function FlowContent(): ReactNode {
             ➕ 添加节点
           </button>
 
-          <button className="toolbar-btn" onClick={() => setShowConfigViewer(true)} title="设置">
+          <button className="toolbar-btn" onClick={() => {}} title="设置">
             📋 设置
           </button>
 
@@ -158,16 +191,9 @@ function FlowContent(): ReactNode {
           node={editingNode}
           onUpdate={handleUpdateNode}
           onClose={() => setEditingNode(null)}
+          settings={settings}
         />
       )}
-
-      {/* {showConfigViewer && (
-        <ConfigViewer
-          nodes={nodes}
-          edges={edges}
-          onClose={() => setShowConfigViewer(false)}
-        />
-      )} */}
     </div>
   );
 }
diff --git a/src/components/CustomNode.tsx b/src/components/CustomNode.tsx
index bdd99ad..d3db6bc 100644
--- a/src/components/CustomNode.tsx
+++ b/src/components/CustomNode.tsx
@@ -14,18 +14,6 @@ export default function CustomNode({
       </div>
       
       <div className="node-info">
-        {data.ipAddress && (
-          <div className="info-item">
-            <span className="label">IP:</span>
-            <span className="value">{data.ipAddress}</span>
-          </div>
-        )}
-        {data.listenPort && (
-          <div className="info-item">
-            <span className="label">Port:</span>
-            <span className="value">{data.listenPort}</span>
-          </div>
-        )}
       </div>
 
       {[Position.Top, Position.Bottom, Position.Right, Position.Left].map((position) => (
diff --git a/src/components/NodeEditor.css b/src/components/NodeEditor.css
index 4fcec41..c2d7e74 100644
--- a/src/components/NodeEditor.css
+++ b/src/components/NodeEditor.css
@@ -70,6 +70,8 @@
 }
 
 .form-group {
+  display: flex;
+  flex-direction: column;
   margin-bottom: 15px;
 }
 
@@ -83,7 +85,7 @@
 
 .form-group input,
 .form-group textarea {
-  width: 100%;
+  flex: 1;
   padding: 8px;
   border: 1px solid #ddd;
   border-radius: 4px;
@@ -111,33 +113,46 @@
   border-top: 1px solid #eee;
 }
 
-.btn-save,
-.btn-cancel {
-  flex: 1;
-  padding: 10px;
+.item-group {
+  display: flex;
+  gap: 10px;
+}
+
+
+/* 1. 基础通用样式 */
+.btn-interect, .btn-save, .btn-cancel {
+  padding: 8px 16px; /* 补充了间距，确保按钮有厚度 */
   border: none;
   border-radius: 4px;
   font-size: 14px;
   font-weight: 500;
   cursor: pointer;
-  transition: all 0.3s ease;
+  transition: all 0.1s ease-in-out;
+  display: flex;
+  align-items: center;
+  justify-content: center;
 }
 
-.btn-save {
+/* 2. 统一交互反馈：悬停变深，点下缩放 */
+.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);
+}
+
+.btn-interect:active, .btn-save:active, .btn-cancel:active {
+  transform: scale(0.96);
+}
+
+.btn-save, .btn-cancel {
+  flex: 1;
+}
+
+.btn-interect, .btn-save {
   background: #1677ff;
   color: white;
 }
 
-.btn-save:hover {
-  background: #0b66d4;
-  box-shadow: 0 2px 8px rgba(22, 119, 255, 0.3);
-}
-
 .btn-cancel {
   background: #f5f5f5;
   color: #333;
-}
-
-.btn-cancel:hover {
-  background: #e6e6e6;
-}
+}
\ No newline at end of file
diff --git a/src/components/NodeEditor.tsx b/src/components/NodeEditor.tsx
index 3ddefb2..494a3ca 100644
--- a/src/components/NodeEditor.tsx
+++ b/src/components/NodeEditor.tsx
@@ -1,16 +1,19 @@
 import { useState, ReactNode } from 'react';
-import { validateNodeConfig } from '../utils/wireguardConfig';
-import { NodeData } from '../types/graph';
+import { NodeData, Settings } from '../types/graph';
 import './NodeEditor.css';
 
+
+
 interface NodeEditorProps {
   node: NodeData;
+  settings: Settings;
   onUpdate: (data: NodeData) => void;
   onClose: () => void;
 }
 
 export default function NodeEditor({ 
-  node, 
+  node,
+  settings,
   onUpdate, 
   onClose 
 }: NodeEditorProps): ReactNode {
@@ -25,15 +28,15 @@ export default function NodeEditor({
   };
 
   const handleSave = (): void => {
-    const validation = validateNodeConfig(formData);
-    if (!validation.isValid) {
-      setErrors(validation.errors);
-      return;
-    }
+    // const validation = validateNodeConfig(formData);
+    // if (!validation.isValid) {
+    //   setErrors(validation.errors);
+    //   return;
+    // }
     
-    setErrors([]);
-    onUpdate(formData);
-    onClose();
+    // setErrors([]);
+    // onUpdate(formData);
+    // onClose();
   };
 
   return (
@@ -63,13 +66,16 @@ export default function NodeEditor({
         </div>
 
         <div className="form-group">
-          <label>IP地址</label>
-          <input
-            type="text"
-            value={formData.ipAddress || ''}
-            onChange={(e) => handleInputChange('ipAddress', e.target.value)}
-            placeholder="例如: 10.0.0.1"
-          />
+          <label>私钥</label>
+          <div className="item-group">
+            <input
+              value={formData.privateKey || ''}
+              onChange={(e) => handleInputChange('privateKey', e.target.value)}
+              readOnly
+            />
+            <button className="btn-interect">重新生成</button>
+          </div>
+
         </div>
 
         <div className="form-group">
@@ -82,36 +88,6 @@ export default function NodeEditor({
           />
         </div>
 
-        <div className="form-group">
-          <label>私钥</label>
-          <textarea
-            value={formData.privateKey || ''}
-            onChange={(e) => handleInputChange('privateKey', e.target.value)}
-            placeholder="粘贴Base64编码的私钥"
-            rows={3}
-          />
-        </div>
-
-        <div className="form-group">
-          <label>公钥</label>
-          <textarea
-            value={formData.publicKey || ''}
-            onChange={(e) => handleInputChange('publicKey', e.target.value)}
-            placeholder="粘贴Base64编码的公钥"
-            rows={3}
-          />
-        </div>
-
-        <div className="form-group">
-          <label>端点 (可选)</label>
-          <input
-            type="text"
-            value={formData.endpoint || ''}
-            onChange={(e) => handleInputChange('endpoint', e.target.value)}
-            placeholder="例如: 192.168.1.100:51820"
-          />
-        </div>
-
         <div className="form-group">
           <label>DNS服务器 (可选)</label>
           <input
diff --git a/src/types/graph.ts b/src/types/graph.ts
index 89af9d6..1f3818f 100644
--- a/src/types/graph.ts
+++ b/src/types/graph.ts
@@ -7,18 +7,20 @@ export type AppEdge = Edge<EdgeData>;
 export type NodeData = {
   // basic
   label: string;
-  subnet: string;
   privateKey: string;
-  publicKey: string;
+  groupId: number;
+  hostId: number;
   
   // options
-  PostUp?: string;
-  PostDown?: string;
+  postUp?: string;
+  postDown?: string;
   persistentKeepalive?: string;
   dnsServers?: string;
   disallowSubnet?: string;
   allowIPs?: string;
-  MTU?: number
+  mtu?: number;
+  listenPort?: number;
+  notes?: string;
 }
 
 export type EdgeData = {
@@ -26,10 +28,10 @@ export type EdgeData = {
 }
 
 export type Settings = {
-  v4SubNetPrefix: string;
-  v6SubNetPrefix: string;
-  listenPort: string;
-
+  v4SubNetPrefix: [number, number];
+  listenPort: number;
+  
   // global options
-  MTU?: number;
+  v6SubNetPrefix?: [string, string, string, string];
+  mtu?: number;
 }
\ No newline at end of file
diff --git a/src/utils/wireguardConfig.ts b/src/utils/wireguardConfig.ts
index 57a2356..f428cb7 100644
--- a/src/utils/wireguardConfig.ts
+++ b/src/utils/wireguardConfig.ts
@@ -1,154 +1,20 @@
-import { AppNode, AppEdge, NodeData } from "../types/graph";
+import nacl from 'tweetnacl';
+import { fromByteArray, toByteArray } from 'base64-js';
 
-
-interface ValidationResult {
-  isValid: boolean;
-  errors: string[];
+export function generateWireGuardPrivateKey() : string {
+  const privateKeyBuffer = nacl.randomBytes(32);
+  const keyPair = nacl.box.keyPair.fromSecretKey(privateKeyBuffer);
+  return fromByteArray(keyPair.secretKey);
 }
 
-/**
- * 生成WireGuard格式的配置文件
- */
-export function generateWireGuardConfig(
-  node: AppNode,
-  allNodes: AppNode[],
-  allEdges: AppEdge[]
-): string {
-  const config: string[] = [];
-  
-  // [Interface] 部分
-  config.push('[Interface]');
-  config.push(`PrivateKey = ${node.data.privateKey}`);
-  config.push(`Address = ${node.data.ipAddress}/32`);
-  
-  if (node.data.listenPort) {
-    config.push(`ListenPort = ${node.data.listenPort}`);
-  }
-  
-  if (node.data.dnsServers) {
-    config.push(`DNS = ${node.data.dnsServers}`);
-  }
-  
-  config.push('');
-  
-  // 找到与该节点相连的所有节点
-  const connectedNodeIds = new Set<string>();
-  allEdges.forEach(edge => {
-    if (edge.source === node.id) {
-      connectedNodeIds.add(edge.target);
-    }
-    if (edge.target === node.id) {
-      connectedNodeIds.add(edge.source);
-    }
-  });
-  
-  // 为每个连接的节点添加 [Peer] 部分
-  connectedNodeIds.forEach(peerId => {
-    const peerNode = allNodes.find(n => n.id === peerId);
-    if (peerNode && peerNode.data.publicKey && peerNode.data.ipAddress) {
-      config.push('[Peer]');
-      config.push(`PublicKey = ${peerNode.data.publicKey}`);
-      config.push(`AllowedIPs = ${peerNode.data.ipAddress}/32`);
-      
-      if (peerNode.data.endpoint) {
-        config.push(`Endpoint = ${peerNode.data.endpoint}`);
-      }
-      
-      if (peerNode.data.persistentKeepalive) {
-        config.push(`PersistentKeepalive = ${peerNode.data.persistentKeepalive}`);
-      }
-      
-      config.push('');
-    }
-  });
-  
-  return config.join('\n');
-}
+export function tryDerivePublicKey(privKeyBase64: string): string | null {
+  try {
+    const privKeyUint8 = toByteArray(privKeyBase64);
+    if (privKeyUint8.length !== 32) throw new Error("Invalid length");
 
-/**
- * 生成所有节点的配置
- */
-export function generateAllConfigs(
-  nodes: AppNode[],
-  edges: AppEdge[]
-): Record<string, { name: string; config: string }> {
-  const configs: Record<string, { name: string; config: string }> = {};
-  
-  nodes.forEach(node => {
-    if (node.id && node.data.privateKey && node.data.ipAddress) {
-      configs[node.id] = {
-        name: node.data.label || node.id,
-        config: generateWireGuardConfig(node, nodes, edges)
-      };
-    }
-  });
-  
-  return configs;
-}
-
-/**
- * 下载配置文件
- */
-export function downloadConfig(
-  nodeId: string,
-  nodeName: string,
-  configContent: string
-): void {
-  const element = document.createElement('a');
-  element.setAttribute(
-    'href',
-    'data:text/plain;charset=utf-8,' + encodeURIComponent(configContent)
-  );
-  element.setAttribute('download', `${nodeId}-${nodeName}.conf`);
-  element.style.display = 'none';
-  
-  document.body.appendChild(element);
-  element.click();
-  document.body.removeChild(element);
-}
-
-/**
- * 验证节点配置是否完整
- */
-export function validateNodeConfig(node: Partial<NodeData>): ValidationResult {
-  const errors: string[] = [];
-  
-  if (!node.label || node.label.trim() === '') {
-    errors.push('节点名称不能为空');
+    const keyPair = nacl.box.keyPair.fromSecretKey(privKeyUint8);
+    return fromByteArray(keyPair.publicKey);
+  } catch (e) {
+    return null;
   }
-  
-  if (!node.ipAddress || node.ipAddress.trim() === '') {
-    errors.push('IP地址不能为空');
-  } else if (!isValidIP(node.ipAddress)) {
-    errors.push('IP地址格式无效');
-  }
-  
-  if (!node.privateKey || node.privateKey.trim() === '') {
-    errors.push('私钥不能为空');
-  }
-  
-  if (!node.publicKey || node.publicKey.trim() === '') {
-    errors.push('公钥不能为空');
-  }
-  
-  return {
-    isValid: errors.length === 0,
-    errors
-  };
-}
-
-/**
- * 验证IP地址格式
- */
-function isValidIP(ip: string): boolean {
-  const ipv4Regex = /^(\d{1,3}\.){3}\d{1,3}$/;
-  if (!ipv4Regex.test(ip)) {
-    return false;
-  }
-  
-  const parts = ip.split('.');
-  return parts.every(part => {
-    const num = parseInt(part, 10);
-    return num >= 0 && num <= 255;
-  });
-}
+}
\ No newline at end of file