修复

src/2d/display/Container.ts

@@ -288,7 +288,8 @@ export default class Container extends DisplayObject {
 		while (node.parent) {
 			let child = node;
 			node = node.parent;
-			path.unshift(node.getChildIndex(child));
+			let index = node.children.indexOf(child);
+			path.unshift(index);
 			if (node === untilNode) {
 				break;
 			}