From c768e0f65fbd3787ad7a548b7f6df9975b0ca021 Mon Sep 17 00:00:00 2001
From: ChenX <maple6@vip.qq.com>
Date: Wed, 12 May 2021 17:35:13 +0800
Subject: [PATCH] =?UTF-8?q?=E5=BC=80=E5=8F=91:=E7=AE=80=E5=8C=96=E4=BB=A3?=
 =?UTF-8?q?=E7=A0=81?=
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---
 src/GraphicsSystem/Viewer.ts | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/GraphicsSystem/Viewer.ts b/src/GraphicsSystem/Viewer.ts
index 66184a8f1..0caab3fc9 100644
--- a/src/GraphicsSystem/Viewer.ts
+++ b/src/GraphicsSystem/Viewer.ts
@@ -478,9 +478,8 @@ export class Viewer
         }
 
         let box = new Box3();
-        ens.reduce((b, e) => b.union(e.BoundingBox), box);
-        if (box.isEmpty())
-            return;
+        for (let e of ens) box.union(e.BoundingBox);
+        if (box.isEmpty()) return;
         this.CameraCtrl.ZoomExtensBox3(box);
         this.CameraCtrl.Zoom(1.2);
         this.UpdateRender();