From 7950bf5637baefff64bda2f66cdfa26b38417093 Mon Sep 17 00:00:00 2001
From: "shuaige.zsg" <shuaige.zsg@alibaba-inc.com>
Date: Wed, 24 Jun 2020 14:48:09 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20NodeChildren=E4=BC=AA=E8=A3=85=E4=B8=BAA?=
 =?UTF-8?q?rray=E4=BF=9D=E8=AF=81=E5=90=91=E5=89=8D=E5=85=BC=E5=AE=B9?=
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---
 packages/designer/src/document/node/node-children.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/packages/designer/src/document/node/node-children.ts b/packages/designer/src/document/node/node-children.ts
index 68026e831..1553a54f3 100644
--- a/packages/designer/src/document/node/node-children.ts
+++ b/packages/designer/src/document/node/node-children.ts
@@ -285,4 +285,9 @@ export class NodeChildren {
     this.purged = true;
     this.children.forEach(child => child.purge());
   }
+
+  get [Symbol.toStringTag]() {
+    // 保证向前兼容性
+    return "Array";
+  }
 }