From 35415d301df99732e458de21f039f4ba1e5378eb Mon Sep 17 00:00:00 2001
From: Treecat <treecat@fanruan.com>
Date: Tue, 25 Apr 2023 12:18:10 +0800
Subject: [PATCH] =?UTF-8?q?REPORT-94791=20fix:=E8=80=81=E4=BB=A3=E7=A0=81?=
 =?UTF-8?q?=E7=BB=A7=E6=89=BF=E7=BB=93=E6=9E=84=E4=B8=8D=E5=AF=B9?=
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---
 packages/fineui/src/core/5.inject.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/fineui/src/core/5.inject.js b/packages/fineui/src/core/5.inject.js
index a2f621ad6..dc3392106 100644
--- a/packages/fineui/src/core/5.inject.js
+++ b/packages/fineui/src/core/5.inject.js
@@ -405,7 +405,7 @@ export function shortcut(xtype, cls) {
     }
     
     // 兼容性
-    if(!cls.superclass) {
+    if (!cls.hasOwnProperty("superclass")) {
         cls.superclass = Object.getPrototypeOf(cls.prototype);
     }