From 7c52279aba11b565f5a99620fe4dae6cfb649ade Mon Sep 17 00:00:00 2001
From: monitor1394 <monitor1394@gmail.com>
Date: Thu, 27 May 2021 21:11:14 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8DDataZoom=E6=8A=A5=E9=94=99?=
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---
 Runtime/Component/Main/DataZoom.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Runtime/Component/Main/DataZoom.cs b/Runtime/Component/Main/DataZoom.cs
index 1c11bbe5..08e8ee8c 100644
--- a/Runtime/Component/Main/DataZoom.cs
+++ b/Runtime/Component/Main/DataZoom.cs
@@ -690,6 +690,7 @@ namespace XCharts
 
         public void DrawTop(VertexHelper vh)
         {
+            if (chart == null) return;
             foreach (var dataZoom in chart.dataZooms)
             {
                 DrawDataZoomSlider(vh, dataZoom);