diff --git a/src/components/Canvas/FlowCanvas/manager/StateManager.ts b/src/components/Canvas/FlowCanvas/manager/StateManager.ts
index b2e20a9..1a85b69 100644
--- a/src/components/Canvas/FlowCanvas/manager/StateManager.ts
+++ b/src/components/Canvas/FlowCanvas/manager/StateManager.ts
@@ -222,8 +222,9 @@ export class StateManager {
 
 	/** 显示指定子节点和父节点连接线，隐藏父节点和其他子节点链接线， */
 	showNodeConnections(id: string) {
+		if(!id) return
 		const node = this.getNodeById(id)
-		if(!node.data.superiorID) return
+		if(!node?.data?.superiorID) return
 		this.nodes.value.forEach((nodeItem) => {
 			if(node.data.superiorID === nodeItem.data.superiorID && nodeItem.id == id) {
 				nodeItem.data.isActive = true