diff --git a/frontend/src/pages/Workflow/Definition/Designer/index.tsx b/frontend/src/pages/Workflow/Definition/Designer/index.tsx
index ddbfbe37..d9813183 100644
--- a/frontend/src/pages/Workflow/Definition/Designer/index.tsx
+++ b/frontend/src/pages/Workflow/Definition/Designer/index.tsx
@@ -1,23 +1,22 @@
 import React, {useEffect, useRef, useState} from 'react';
 import {useNavigate, useParams} from 'react-router-dom';
 import {Button, Card, Layout, message, Space, Spin, Drawer, Form, Dropdown} from 'antd';
-import {ArrowLeftOutlined, SaveOutlined} from '@ant-design/icons';
-import {getDefinition, updateDefinition} from '../../service';
-import {WorkflowDefinition, WorkflowStatus} from '../../../Workflow/types';
+import {ArrowLeftOutlined, SaveOutlined, DeleteOutlined, CopyOutlined, SettingOutlined, ClearOutlined, FullscreenOutlined} from '@ant-design/icons';
+import {getDefinition, updateDefinition, getNodeTypes} from '../../service';
+import {WorkflowStatus} from '../../../Workflow/types';
 import {Graph, Node, Cell, Edge, Shape} from '@antv/x6';
 import '@antv/x6-react-shape';
 import './index.module.less';
 import NodePanel from './components/NodePanel';
 import NodeConfig from './components/NodeConfig';
 import Toolbar from './components/Toolbar';
-import {NodeType, getNodeTypes} from './service';
-import {DeleteOutlined, CopyOutlined, SettingOutlined, ClearOutlined, FullscreenOutlined} from '@ant-design/icons';
 import EdgeConfig from './components/EdgeConfig';
 import { validateFlow, hasCycle } from './validate';
 import { generateNodeStyle, generatePorts, calculateNodePosition, calculateCanvasPosition } from './utils/nodeUtils';
 import { NODE_CONFIG } from './configs/nodeConfig';
 import { isWorkflowError } from './utils/errors';
 import { initGraph } from './utils/graphUtils';
+import { NodeType, NodeData, EdgeData, WorkflowDefinition } from './types';
 
 const {Sider, Content} = Layout;
 
@@ -228,14 +227,19 @@ const FlowDesigner: React.FC = () => {
             if (detail) {
                 loadGraphData(graph, detail);
             }
-        }
 
-        return () => {
-            if (graphRef.current) {
-                graphRef.current.dispose();
-            }
-        };
-    }, [detail]);
+            // 清理函数
+            return () => {
+                if (containerRef.current) {
+                    containerRef.current.removeEventListener('dragover', handleDragOver);
+                    containerRef.current.removeEventListener('drop', handleDrop);
+                }
+                if (graphRef.current) {
+                    graphRef.current.dispose();
+                }
+            };
+        }
+    }, [detail, nodeTypes]);
 
     // 处理拖拽移动
     const handleDragOver = (e: DragEvent) => {
@@ -515,6 +519,27 @@ const FlowDesigner: React.FC = () => {
         }
     };
 
+    // 监听画布大小变化
+    useEffect(() => {
+        if (!containerRef.current) return;
+
+        const resizeObserver = new ResizeObserver(() => {
+            if (graphRef.current) {
+                const container = containerRef.current;
+                if (container) {
+                    const { width, height } = container.getBoundingClientRect();
+                    graphRef.current.resize(width, height);
+                }
+            }
+        });
+
+        resizeObserver.observe(containerRef.current);
+
+        return () => {
+            resizeObserver.disconnect();
+        };
+    }, []);
+
     if (loading) {
         return (
             <div style={{textAlign: 'center', padding: 100}}>
diff --git a/frontend/src/pages/Workflow/Definition/Designer/types.ts b/frontend/src/pages/Workflow/Definition/Designer/types.ts
index ddffb4f7..b7aec164 100644
--- a/frontend/src/pages/Workflow/Definition/Designer/types.ts
+++ b/frontend/src/pages/Workflow/Definition/Designer/types.ts
@@ -4,26 +4,59 @@ export interface Position {
 }
 
 export interface NodeConfig {
-    size: {
-        width: number;
-        height: number;
-    };
-    shape: 'circle' | 'rect' | 'polygon';
-    theme: {
-        fill: string;
-        stroke: string;
-    };
     label: string;
-    extras?: {
-        rx?: number;
-        ry?: number;
-        refPoints?: string;
-        icon?: {
-            'xlink:href': string;
-            width: number;
-            height: number;
-            x: number;
-            y: number;
+    style: {
+        width?: number;
+        height?: number;
+        [key: string]: any;
+    };
+    ports?: {
+        groups?: {
+            [key: string]: any;
         };
+        items?: Array<{
+            group: string;
+            [key: string]: any;
+        }>;
     };
 }
+
+export interface NodeType {
+    code: string;
+    name: string;
+    label: string;
+    config: NodeConfig;
+    description?: string;
+}
+
+export interface NodeData {
+    type: string;
+    name?: string;
+    description?: string;
+    config: {
+        executor?: string;
+        retryTimes?: number;
+        retryInterval?: number;
+        script?: string;
+        timeout?: number;
+        workingDirectory?: string;
+        environment?: string;
+        successExitCode?: string;
+        [key: string]: any;
+    };
+}
+
+export interface EdgeData {
+    condition?: string;
+    description?: string;
+    priority?: number;
+}
+
+export interface WorkflowDefinition {
+    id: number;
+    name: string;
+    description?: string;
+    graphDefinition: string;
+    nodeConfig: string;
+    status: string;
+}