From 45605625535c1aa648eae275639b8a642ff4ec3b Mon Sep 17 00:00:00 2001
From: roymondchen <roymondchen@tencent.com>
Date: Mon, 28 Mar 2022 17:33:45 +0800
Subject: [PATCH] =?UTF-8?q?fix(stage):=20=E9=A1=B5=E9=9D=A2=E9=BB=98?=
 =?UTF-8?q?=E8=AE=A4=E6=BB=9A=E5=8A=A8=E5=AE=B9=E5=99=A8=E8=AE=BE=E7=BD=AE?=
 =?UTF-8?q?=E4=B8=BAdocumentElement?=
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---
 packages/stage/src/StageMask.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/stage/src/StageMask.ts b/packages/stage/src/StageMask.ts
index 669501c5..fd9623c2 100644
--- a/packages/stage/src/StageMask.ts
+++ b/packages/stage/src/StageMask.ts
@@ -116,7 +116,7 @@ export default class StageMask extends Rule {
     if (!page) return;
 
     this.page = page;
-    this.pageScrollParent = getScrollParent(page);
+    this.pageScrollParent = getScrollParent(page) || this.core.renderer.contentWindow?.document.documentElement || null;
     this.pageResizeObserver?.disconnect();
 
     if (typeof ResizeObserver !== 'undefined') {