diff --git a/frontend/src/pages/Workflow/Definition/Design/index.tsx b/frontend/src/pages/Workflow/Definition/Design/index.tsx
index e1a31849..dc1ec963 100644
--- a/frontend/src/pages/Workflow/Definition/Design/index.tsx
+++ b/frontend/src/pages/Workflow/Definition/Design/index.tsx
@@ -311,17 +311,57 @@ const WorkflowDesign: React.FC = () => {
 
     // 注册事件处理器
     const registerEventHandlers = (graph: Graph) => {
-        // 显示/隐藏连接桩和高亮
+        // 定义悬停样式
+        const hoverStyle = {
+            strokeWidth: 2,
+            stroke: '#52c41a'  // 绿色
+        };
+
+        // 保存节点的原始样式
+        const saveNodeOriginalStyle = (node: any) => {
+            const data = node.getData();
+            if (!data?.originalStyle) {
+                const originalStyle = {
+                    stroke: node.getAttrByPath('body/stroke') || '#5F95FF',
+                    strokeWidth: node.getAttrByPath('body/strokeWidth') || 1
+                };
+                node.setData({
+                    ...data,
+                    originalStyle
+                });
+            }
+        };
+
+        // 获取节点的原始样式
+        const getNodeOriginalStyle = (node: any) => {
+            const data = node.getData();
+            return data?.originalStyle || {
+                stroke: '#5F95FF',
+                strokeWidth: 1
+            };
+        };
+
+        // 恢复节点的原始样式
+        const resetNodeStyle = (node: any) => {
+            const originalStyle = getNodeOriginalStyle(node);
+            node.setAttrByPath('body/stroke', originalStyle.stroke);
+            node.setAttrByPath('body/strokeWidth', originalStyle.strokeWidth);
+        };
+
+        // 节点悬停事件
         graph.on('node:mouseenter', ({node}) => {
+            // 保存原始样式
+            saveNodeOriginalStyle(node);
+            
             // 显示连接桩
             const ports = document.querySelectorAll(`[data-cell-id="${node.id}"] .x6-port-body`);
             ports.forEach((port) => {
                 port.setAttribute('style', 'visibility: visible');
             });
             
-            // 高亮当前节点
-            node.setAttrByPath('body/stroke', '#ff4d4f');
-            node.setAttrByPath('body/strokeWidth', 2);
+            // 显示悬停样式
+            node.setAttrByPath('body/stroke', hoverStyle.stroke);
+            node.setAttrByPath('body/strokeWidth', hoverStyle.strokeWidth);
         });
 
         graph.on('node:mouseleave', ({node}) => {
@@ -331,26 +371,53 @@ const WorkflowDesign: React.FC = () => {
                 port.setAttribute('style', 'visibility: hidden');
             });
             
-            // 取消高亮（除非是选中状态）
-            if (!node.hasTools()) {
-                node.setAttrByPath('body/stroke', '#5B8FF9');
-                node.setAttrByPath('body/strokeWidth', 1);
-            }
+            // 恢复原始样式
+            resetNodeStyle(node);
         });
 
-        // 节点点击时的高亮
+        // 节点拖动开始时记录状态
+        graph.on('node:drag:start', ({node}) => {
+            // 保存原始样式，以防还没保存过
+            saveNodeOriginalStyle(node);
+        });
+
+        // 节点拖动结束后恢复样式
+        graph.on('node:moved', ({node}) => {
+            resetNodeStyle(node);
+            // 隐藏连接桩
+            const ports = document.querySelectorAll(`[data-cell-id="${node.id}"] .x6-port-body`);
+            ports.forEach((port) => {
+                port.setAttribute('style', 'visibility: hidden');
+            });
+        });
+
+        // 节点点击事件
         graph.on('node:click', ({ node }) => {
-            node.setAttrByPath('body/stroke', '#ff4d4f');
-            node.setAttrByPath('body/strokeWidth', 2);
+            // 获取当前选中的节点
+            const selectedNode = graph.getSelectedCells()[0];
+            
+            // 如果有其他节点被选中，恢复其样式
+            if (selectedNode && selectedNode.isNode() && selectedNode.id !== node.id) {
+                resetNodeStyle(selectedNode);
+            }
+            
+            // 更新选中状态
+            graph.resetSelection();
+            graph.select(node);
         });
 
-        // 点击空白处取消高亮
+        // 点击空白处事件
         graph.on('blank:click', () => {
+            // 获取当前选中的节点
             const selectedNode = graph.getSelectedCells()[0];
+            
+            // 如果有节点被选中，恢复其样式
             if (selectedNode && selectedNode.isNode()) {
-                selectedNode.setAttrByPath('body/stroke', '#5B8FF9');
-                selectedNode.setAttrByPath('body/strokeWidth', 1);
+                resetNodeStyle(selectedNode);
             }
+            
+            // 清除选中状态
+            graph.resetSelection();
         });
 
         // 节点双击事件