From 19c207d29de045f473ba73baaf34e7294d40261a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?LeoYuan=20=E8=A2=81=E5=8A=9B=E7=9A=93?=
 <yuanlihao1988@gmail.com>
Date: Thu, 10 Mar 2022 14:06:45 +0800
Subject: [PATCH] fix: should not create new prop while querying fileName

---
 packages/designer/src/document/document-model.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/designer/src/document/document-model.ts b/packages/designer/src/document/document-model.ts
index e9a00e676..4a34213f3 100644
--- a/packages/designer/src/document/document-model.ts
+++ b/packages/designer/src/document/document-model.ts
@@ -86,7 +86,7 @@ export class DocumentModel {
   }
 
   get fileName(): string {
-    return this.rootNode?.getExtraProp('fileName')?.getAsString() || this.id;
+    return this.rootNode?.getExtraProp('fileName', false)?.getAsString() || this.id;
   }
 
   set fileName(fileName: string) {