增加工具栏提示。

frontend/src/pages/Workflow/Definition/Design/index.tsx

@@ -43,6 +43,18 @@ const WorkflowDesign: React.FC = () => {
                 background: {
                     color: '#f5f5f5',
                 },
+                mousewheel: {
+                    enabled: true,
+                    modifiers: ['ctrl', 'meta'],
+                    factor: 1.1,
+                    maxScale: 1.5,
+                    minScale: 0.5,
+                },
+                panning: {
+                    enabled: true,
+                    eventTypes: ['rightMouseDown'],
+                },
+                preventDefaultContextMenu: true,
             });
 
             // 显示/隐藏连接桩