From bc61d5a6582754ae65dded0270f67adcf10fb827 Mon Sep 17 00:00:00 2001
From: fan <fanyuhong@joylink.club>
Date: Thu, 5 Jan 2023 09:45:53 +0800
Subject: [PATCH] =?UTF-8?q?=E9=81=93=E5=B2=94=E5=A4=B1=E8=A1=A8=E6=8A=A5?=
 =?UTF-8?q?=E9=94=99=E8=B0=83=E6=95=B4?=
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---
 src/jmapNew/shape/graph/Switch/ESwLnversion.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/jmapNew/shape/graph/Switch/ESwLnversion.js b/src/jmapNew/shape/graph/Switch/ESwLnversion.js
index a2e30332c..303bae69c 100644
--- a/src/jmapNew/shape/graph/Switch/ESwLnversion.js
+++ b/src/jmapNew/shape/graph/Switch/ESwLnversion.js
@@ -69,7 +69,7 @@ class ESwLnversion extends Group {
 
     animateStyle(cb) {
         this.eachChild((child) => {
-            cb(child);
+            child && cb(child);
         });
     }