fix

src/components/Canvas/FlowCanvas/manager/StateManager.ts

@@ -145,6 +145,8 @@ export class StateManager {
 	setNodesDraggable(v: boolean) { this.nodesDraggable.value = v }
 	/** 设置是否可以平移画布 */
 	setPanOnDrag(v: boolean) { this.panOnDrag.value = v }
+	/** 获取所有下级节点 */
+	getSubordNodes(id: string) { return this.nodes.value.filter((node: NodesItem) => node.data.superiorID === id) }
 	/** 设置节点层级至最顶部 */
 	bringToFont(id) {
 		const fromIndex = this.nodes.value.findIndex(item => item.id === id)