From 21cde3bf2e5dabd5adad9b3f22119235f173a499 Mon Sep 17 00:00:00 2001
From: iapyang <yklorse@gmail.com>
Date: Mon, 21 Jun 2021 15:45:51 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=E6=97=A0=E6=B3=95?=
 =?UTF-8?q?=E5=88=A0=E9=99=A4=E7=AC=AC=E4=B8=80=E4=B8=AA=E5=85=83=E7=B4=A0?=
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---
 src/case/layer/pane.list.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/case/layer/pane.list.js b/src/case/layer/pane.list.js
index 28d618285..1b6530355 100644
--- a/src/case/layer/pane.list.js
+++ b/src/case/layer/pane.list.js
@@ -104,7 +104,7 @@ BI.ListPane = BI.inherit(BI.Pane, {
     },
 
     removeItemAt: function (indexes) {
-        indexes = indexes || [];
+        indexes = BI.isNull(indexes) ? [] : indexes;
         BI.removeAt(this.options.items, indexes);
         this.button_group.removeItemAt.apply(this.button_group, arguments);
         this.check();